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Welcome to Advance Electric Systems LLC. is mainly engaged in the import & export of electric products and equipment. Our business team has more than 10 years' foreign business experience, and also has a unique understanding of electrical products and overseas markets. We have established and extended business relationships with customers and partners in East Europe, Middle East and Latin America.

The main products and equipment we are dealing with: medium voltage and low voltage variable frequency drives, medium voltage and low voltage softstarters, power transformers.

We always provide reasonable prices, high quality products, timely shipment and efficient services to develop our cooperation with all of our customers. We are trading in accordance with international traditions and practices. We would like to extend business with our customers and partners on the basis of cooperation and mutual benefit.

We focused our attention in offers all types VFD such as low voltage and medium voltage variable frequency drives and soft starters produced under its own brand. Our customers are able to buy products at best factory price as well as to receive full technical support of all our products. We offer our customers medium voltage frequency inverters with output power from 315 kW to 8000 kW and  operating voltage of 3 kV, 3.3 kV, 4.16 kV, 6 kV, 6.3 kV, 6.6 kV, 10 kV. Low cost low voltage single phase and three phase frequency inverters with output power  from 0.4 kW to 630 kW and operating voltage of 220 V, 230 V, 380 V, 400 V, 440 V, 480 V. Medium voltage soft starter with output power from 160 kW to 20,000 kW and  operating voltage of 2.3 kV, 3 kV, 3.3 kV, 4.16 kV, 6 kV, 6.6 kV, 10 kV. 

 For customers we offer the full scope of operational documentation and full technical support for the company's products Advanced Electric Systems LLC.


Company projects

 Medium Voltage VFD 5000 kW, 6 kV for thermal power plant solutions

Advanced Electric Systems LLC present our latest project for the thermal power plant. We apply medium voltage VFD 5000 kW, 6 kV of our owned brand for two feeding pumps which supply water to boiler of 210 MW turbo generator. Our solution helps customer to save 25% electrical energy in nominal mode of turbo generator.


Feature Products
  • JD-BP36-800F (800 kW, 4.16 kV)

    JD-BP36-800F (800 kW, 4.16 kV)

    Low cost variable frequency drive For this product provided full technical support. For any questions ask to refer>>Multilevel Medium Voltage Variable Frequency Drive: Output Power:            800 kW; Input/ Output Voltage:   4.16 kV; Output Current:             135 A; Dimensions:          4300x2420x1700 mm; Weight:                      7800 kg.Delivery condition:        FOB Shanghai;payment:                          50% T/T befor production;                                          50% T/T befor shipment;Delivery time:                  60 days.For Medium Voltage frequency inverter ordering please fill your requirements in questionnaire >>Start and control feeding pump from medium voltage VFD Video look here>>The  JD-BP series medium voltage fvariable frequency drive designed and manufactured by Advanced Electric Systems LLC.  has prominent performance and high reliability with low cost. It is of AC-DC-AC voltage type inverter with main loop of multi-level topology circuit. The control mode adopts SPWM technology. And the input uses isolated transformer of multiple technology, while the output is fulfilled by the solution of phase-shifting tandem multi-unit and medium voltage to  medium voltage direct conversion. Many years of technical experience enabled Advanced Electric Systems LLC. and its staff to have developed inverters with low harmonic content, which is in a leading level in domestic. Perfect output voltage sine wave provides the inverter with stability of motor's operation during the whole speed regulation range. The low input current harmonics almost has no any disturbance to the grid and this ensures the operation reliability of the surrounding electric equipments. This series inverter can drive and regulate the  medium voltage motor in almost all kinds of application area. The speed regulation is smooth, and the efficiency and power factor is enviable. In particular, nowadays the world is in short of energy. JD-BP variable frequency drive can bring great economic effect when used for blowers and pumps. This series inverter consists of three main parts, transformer cabinet is on the left, and power unit cabinet is in the middle, while control cabinet is on the right. To improve the stability of the control circuit and to make the debugging more convenient, the control cabinet door was put on the right of the machine. This series product adopts cabinet structure with forced air cooling. And the big capacity machine adopts the cooling mode of water-cooled, air-closed circulation. The wiring terminal of input and output of the complete machine was placed on the lower left back. It is easy for connection. Application area JD-BP medium voltage frequency variable frequency drive has been widely used for the medium voltage motor's speed regulation, energy saving, soft starting and intelligent control in the area of power supply, iron and steel, HVAC, oil, construction, mine and etc. *Heat power station: Coal grinding machine, blower, draught fan, dust exhaust fan, circulating pump, water-feeding pump.  *Iron and steel plant, metallurgical plant: Water-feeding pump, dust exhaust fan, draught fan, oxygenator.  *Mine: Slurry pump, ventilator.  *Oil: Water injection pump, oil pump.  *Chemical plant: Compressor, blower, circulating pump.  *draw off pump, supply pump, purifying pump, sewage pump in urban power supply and sewage disposal:  *The grinder, pump, draught fan, dust fan, supply blower in cement plant and ceramic plant  *others: The blower for medicine, paper making, food. Specification Item Specification Power input Input frequency 50/60Hz±3% Input voltage 4.16kV(-10% ~ +10%)continuous running at the low power of -15% ~ -35% Mains frequency tolerance ±5% Input power factor In the event of rated load > 0.97 Efficiency In the event of rated load > 96 %( inverter part> 98%) Control characteristics control mode SPWM; tandem unit; phase-shift superposed wave; ac-dc-ac; medium-voltage to medium-voltage; technology Output frequency 0 ~ 120Hz Output frequency precision 0.01Hz Overload capacity 130%1minute, 150% 3s, 180% turning off Acceleration and deceleration time 0.1 ~ 6000s Analog input 4~20mA (3 ports) Analog output  4~20mA (4 ways) PID Standard PID function build-in Host communication RS-485 interface isolation Switching value, input/output 15 ways/15 ways Protecting functions Over-current of the motor, Over-voltage of the inverter, Under-voltage of the inverter, Over-current of the cell, Over-voltage of the cell, Over-heat of the cell, Lack phase of cell, Communication failure. Environment Operating environment temperature -10℃~+50℃, higher than 40℃, output power derated Storage temperature -20~+65℃ Cooling mode Forced air cooling Environment humidity 20~90%RH, no condensation Altitude < 1000 meters Protection level IP31  

  • HPMV-DN-4.16-200

    HPMV-DN-4.16-200

     Medium Voltage Softstarter for one AC motor: Rate power of AC motor:       1200 kW;Rate voltage:                        4.16 kV;Rate current:                       200 A;Dimensions:              1000X1500X2300 mm;Weight:                               - kg.Incoterms: FOB ShanghaiFor soft starter ordering please fill your requirements in questionnaire >>Medium voltage soft starter instruction manual >> HPMV-DN series medium voltage solid-state soft starter device is designed to the new high-tech electrical equipment based on the third generation digital microprocessor-controlled technology and modern electronic power control technology. It is used to offer the optimal drop down-current limit soft start method for motors. To adapt to different load conditions and to reach better starting effect, a variety of control modes are applied to HPMV-DN soft starter, and thus the motor can smoothly start in accelerating state at the minimum current, therefore effectively reduce the voltage drop of grid when starting, in the meantime, lower starting current and mechanical shock. When soft stop is required, the gently tapered controllable voltage can be provided to the motor for the smooth stop of the motor drive system.  Manage the data and communication by digital CPU, strong anti-interference ability by signal access and isolation. More stable and reliable. HPMV-DN is a kind of high-performance digital Soft Starter, support smooth ramp up and ramp down of motors and reduce current impact and mechanical impact of motor and power net. Advanced optical fiber and optical fiber trigger technology ensure a full isolation of high voltage system and low voltage system. In the meantime support a perfect trigger, testing and isolation of high voltage SCR and control circuit.Feature• Advanced high frequency isolation and transfer technology support perfect working power for the components of high voltage system.• Static and dynamic average voltage technology support reliable running of main components of serial connected high voltage.• Advanced wireless voltage testing technology. Electric EVT technology, stable signalcommunication, no interference orremove.• Six starting curves, to suit different kinds of motors and applications. Automatically adjust therotate speed of motors, smooth and stable accelerate curve, reduce electrical and mechanical impact.• Six stopping curves, to suit for different kinds of loadings, with the function of terminal torqueadjustment. High effective to against pump's water-hammer while stopping period.• Smooth stepless acceleration and deceleration.• Pulse start, increase starting torque.• Rich protection functions which includes over voltage, under voltage, over loading, under current,phase loss, phase unbalance, phase sequence wrong, grounding, over temperature of SCR, over starting time, starting cycle limit, SCR faulty protections and so on.• Low voltage testing method. To test the full functions and quality of HPMV-DN soft starter by a low voltage motor. Support a complete performance report and parameter record.• KYN24A-12 housing, raw material is made by imported aluminized zincograph. With the advantage of anti-corrosion, oxidation resistance, nice visual, high protection level. And easily to connect with other standard KYN28A-12 middle cabinets.• For generator supporting conditions, special control program can guarantee a successful startingon unstable voltage, current, frequency, as well 1.35 times of motors capacity.• Dual parameter input: for dual speed motors and power net and generator supporting electricityconditions, and for one drive two motors conditions, soft starter can input two instructions ofstarting and stopping through required parameter by PLC.• Friendly control menu and record index. Touch screen(optional).• The RS485 communication with Modbus or Profibus protocol enables full control isolation testingfunction. (Optional)Technical performance• Control method: pulse start, voltage ramp, constant current,rotation speed (optional).• SoftStart/SoftStop method: Soft Start, direct start, soft stop,free stop.• Control panel: on cabinet, remoted control, control centre(optional)• Communication: RS485,MODBUS, PROFIBUS• Analogue output: motor working current, 0~10v or 4~20mA.• Initial voltage: 10% 50%Un(can be extended to 5%~80%Un).• Current limit: 100% 400%In (can be extended to 500%).• Soft start, soft stop time: 1~30s (can be extended to 90s).• current, 70%~700%In, 0 10 .• Pulse start: adjustable time: ~ sparameter setting:1) control panel,2)communication• Parameter setting: 1) control panel, 2)communication• LCD display: working current, start times, running time, faulty message, etc. Optional languages: English, Chinese, Russian, German, French, Spanish.• Noise: <80db• starting interval time: No less than 30 mins if temperature >40 ,starting current> 400%In. At least 15mins for better condition.• cooling: natural cooling.• Operating power: AC220V/50Hz 600VA.• Main circuit power frequency endurance:42KV/MIN.• Protection level:IP42 (ip54 optional).Products standard• Q/HP 001-2009 HPMV series middle and High voltageAC motor solid soft starter equipment.• IEC 62271-200:2003 3.6 40.5KV AC metal close switchequipment and control equipment.• IEC 60694:1996 The standard public technicalrequirements of the high voltage switch equipment andcontrol equipment.• IEC 60146-1-1:1991 the basic requirements provisions ofthe semiconductor convertor.• IEC 60947-4-2:2002 low voltage switchgear set andcontrol equipments. part 4-2:contactor and motorstarter, AC semiconductor motor control equipments.Motor & Starter Protection• Too many starts & start inhibit time• Long start time (Stall protection)• Electronic overload with selectable curves• Electronic shear-pin*• Undercurrent*• Unbalanced current*• Ground fault current*• Phase loss• Phase sequence and under/over frequency• Under voltage*• Over voltage*• External faults(2separated inputs)• Shorted SCR& Wrong connection• Starter over temperature• Power on without start signal• Open Bypass contactor

  • Low Voltage Soft Starter 400 V, 15 kW HPISD series

    Low Voltage Soft Starter 400 V, 15 kW HPISD series

    HPISD30 Economical Soft Starter: Output Power:             15 kW; Input/ Output Voltage:   400 V; Output Current:             30 A; Dimensions:                   172x194x310; Weight:                        4.5 kg. Incoterms:         EXW Shanghai; payment:           100% T/T befor production; delivery time:     15 working days; minimum order:  USD 3000.  Purchase one sample is possible only for testing our product and only for companies.HPISD economical soft starter adopts dual MCU design, use new microprocessor technology to achieve communication, failure processing, signals acquisition, parameter setting etc. The built-in non-volatile memory is used to ensure parameters won't be lost. With perfect protect function, the entire protection and monitoring can be offered for shortcircuit, over voltage, under voltage and over load. The HPISD soft starter can achieve the full realization of intelligent systems through online update and high flexibility and human-machine interaction design. The model offers communication function which includes communication between field bus and soft starter, analogue output(optional), online software update. Technical parameters Rated Voltage 220~500V(consult the manufacturer for higher voltage) Rated Frequency 50/60Hz Rated Current 18~840A The motor adapted Three-phase squirrel-cage induction motor The soft start overload 75~150%,0~10s Pulse parameter 80%Ue,0~1s Control method Soft start, soft stop, pump control, pulse start Starts per hour 3~6 times/hour (as per loading application) Adjustable starting torque 30%~80%(direct starting torque) Number of functions >145 I/O setting Analog input 1 PTC input Logic input 4 Logic input (programmable) Analog output 0~20mA,0~5V(optional);0~10V(optional) Relay output 3 Relay output,2 of them are Programmable Operation command input Preset by LCD keyboard, control terminal, RS485 communication, switchable among them Dialog Tool Built-in remote monitor or installation software Protection & communication display Protection & Supervision Short circuit, over-voltage, under-voltage, overload, loss phase, phase sequence, over current, ground fault, current unbalance, overheat of motor, time of frequently start LED display Parameters such as current, voltage and alarm Button-locking & Function Selection All or some buttons can be locked and the function of some buttons can be defined to Integrated communication protocol User-defined Optional communications RS485 Working environment Working place Indoor, no sunshine, no dust, no corrosion, no flammable gas, no grease, no steam, no dropping water, no salts and so on Altitude Lower than 2000m Operating temperature 0℃~50℃ Humidity Air relative humidity lower than 95%RH (25 ) Vibration No obvious vibration or shocking Storage temperature -10℃~50℃ Protection & structure Protection Class IP20 Cooling Natural cooling Installation In cabinet

  • Low Voltage Soft Starter 690 V, 75 kW HPS2DN series

    Low Voltage Soft Starter 690 V, 75 kW HPS2DN series

    HPS2DN85 Soft Starter: Output Power:               75 kW; Input/ Output Voltage:   690 V; Output Current:             85 A; Dimensions:                  280x218x400; Weight:                         - kg. Incoterms:         EXW Shanghai; payment:           100% T/T befor production; delivery time:     15 working days; minimum order:  USD 3000.  Purchase one sample is possible only for testing our product and only for companies.HPS2DN is a new intelligent motor soft starter which researched and developed on the basis of original HPS2S, HPS2D/DH with the most advanced digital processor which can adjust voltage and limit the electric current. The unique intelligent electronic circuit offers perfect control and protective function: Start linearly with higher speed, starting and stopping control of the pump, preset run at a low speed(rotating and overturning adjustment in short time of electro-controlling type). Presetable dual start-stop parameter switch freely, can monitor the load state and realize automatically run with energy-saving or light load mode. The protective function of electrical machinery insulating testing , and the protection of short circuit, phase loss and the electronic. RS485 with communication interface use modbus/profibus protocol that generally realize the longrange control and monitoring. Can be extensively used in textile industry, metallurgy industry, petrochemical industry, water treatment, shipping industry, medicine, food processing industry, mine industry, and mechanical equipment industry, etc.General informationSupply voltageLine to line 230V-690V (to be specified) 10%Rated Frequency50/60Hz 4Hz (dual frequency)Control Supply110-120V of 220-240V (to be specified)Control Inputs and Outputs110-120V of 220-240V (to be specified)Load3 phase, 3 wire, squirrel cage induction motorOperating temperature0℃ to 50℃Storage temperature-20 ℃to 70℃Maximum starting time30 secondsMaximum starts per hour4 starts per hour at 400% In, Up to60 starts per hour at lower load applicationsOperating parametersStarter FLCStarter Full Load Current 17~950 AmpMotor FLAMotor Full Load Ampere 50%-100% of starter FLCPump control curves6 field selectable curves preventing over pressure during start and water hammer during stopPulse start durationA pulse of 80% Un for adjustable time 0-1 second, to start high friction loadsInitial voltage10%-50% Un*(can be extended to 80%Un)Current limit100%-400% of Motor FLA* (can be extended to 500%)Ramp-up time1-30 seconds (can be extended to 90s*)Ramp-down time1-30 seconds (can be extended to 90s*)Dual adjustmentsSecondary start stop characteristics for Initial voltage, current limit, acceleration time deceleration time and motor FLA.Energy savingActivated when motor is lightly loaded for extended periodsSlow speed torqueMaximum torque produced while motor is operating at 1/6 of nominal speed to a maximum of 30 secondsTacho and linear acceleration12 selectable curves-defines gain control to improve the tachoStarting from diesel generatorSpecial starting characteristics become operative via an internal dip switch. (contact terminal 8,for dual adjustment)Motor protectionToo many startsDetermines maximum number of starts allowable during Start Period Range1-10starts in start period 1-60minutesStart inhibitPrevents starting for a variable period of 1-60 minutes after TOO MANY STARTS is indicatedLong start time (stall protection)Starter trips if the full motor speed is not reached within the maximum start time of 1-30 seconds*Electronic fuse (shear pin)Trips starter in 1 cycle at 850% in during starting and 200%-850% in during runningElectronic overload (I t)Adjustable between 75%-150% of motor FLA overload curve can be selected by setting trip time at 500% in,1-10 secondsUnder currentStarter trips when current drops below 20%-90% ln,time delay 1-40 secondsUnder voltage(**)Starter trips when mains voltage drops below 120-600V,time delay 1-10 secondsOver voltageStarter trips when mains voltage increases above 150-750V,time delay 1-10 secondsPhase loss,(under/over frequency**)Starter trips when 1 or 2 phases fail and when frequency is 4Hz of nominal frequencyPhase sequenceStarter trips when phase sequence is incorrectLong slow speed timeStarter trips if operating at slow speed longer than 30 secondsShorted SCRPrevents starting when one or more SCRs are shortedHeatsink over temperatureStarter trips when heatsink temperature rises above 85External faultStarter trips when an external contact closes for 2 secondsMotor insulation (optional)Alarm level setting 0.2-5M.Trips when motor insulation decreases below 0.2-5M setting.The thyristors must be protected against short circuitThyristor ProtectionMetal Oxide Varistors(MOVs) and snubber circuitsControlAnalogue I/OInput of motor overheat signal Ouput of analog signals of motor currentDisplaysLCD in 4 selectable languages and 8 LEDsKeypad6 clearly defined keys for easy settingAux.contact-immediate1 C/O,8A,250V A.C,2000VA(delay 0-60 seconds)Aux.contact-end of acceleration1 C/O,8A,250V A.C,2000VA(delay 0-120 seconds)Fault contact1 C/O,8A,250V A.C,2000VA(selectable as trip or trip fail safe)Insulation alarm contact (optional)1 C/O,8A,250V A.C,2000VACommunication (optional)RS 485 with Modbus/Profibus protocol for full control and supervision

  • HPMV-DN-6-100

    HPMV-DN-6-100

     Medium Voltage Softstarter for one AC motor: Rate power of AC motor:       950 kW;Rate voltage:                        6 kV;Rate current:                        100 A;Dimensions:              1000X1500X2300 mm;Weight:                               - kg.Incoterms: FOB ShanghaiFor soft starter ordering please fill your requirements in questionnaire >>Medium voltage soft starter instruction manual >> HPMV-DN series medium voltage solid-state soft starter device is designed to the new high-tech electrical equipment based on the third generation digital microprocessor-controlled technology and modern electronic power control technology. It is used to offer the optimal drop down-current limit soft start method for motors. To adapt to different load conditions and to reach better starting effect, a variety of control modes are applied to HPMV-DN soft starter, and thus the motor can smoothly start in accelerating state at the minimum current, therefore effectively reduce the voltage drop of grid when starting, in the meantime, lower starting current and mechanical shock. When soft stop is required, the gently tapered controllable voltage can be provided to the motor for the smooth stop of the motor drive system.  Manage the data and communication by digital CPU, strong anti-interference ability by signal access and isolation. More stable and reliable. HPMV-DN is a kind of high-performance digital Soft Starter, support smooth ramp up and ramp down of motors and reduce current impact and mechanical impact of motor and power net. Advanced optical fiber and optical fiber trigger technology ensure a full isolation of high voltage system and low voltage system. In the meantime support a perfect trigger, testing and isolation of high voltage SCR and control circuit.Feature• Advanced high frequency isolation and transfer technology support perfect working power for the components of high voltage system.• Static and dynamic average voltage technology support reliable running of main components of serial connected high voltage.• Advanced wireless voltage testing technology. Electric EVT technology, stable signalcommunication, no interference orremove.• Six starting curves, to suit different kinds of motors and applications. Automatically adjust therotate speed of motors, smooth and stable accelerate curve, reduce electrical and mechanical impact.• Six stopping curves, to suit for different kinds of loadings, with the function of terminal torqueadjustment. High effective to against pump's water-hammer while stopping period.• Smooth stepless acceleration and deceleration.• Pulse start, increase starting torque.• Rich protection functions which includes over voltage, under voltage, over loading, under current,phase loss, phase unbalance, phase sequence wrong, grounding, over temperature of SCR, over starting time, starting cycle limit, SCR faulty protections and so on.• Low voltage testing method. To test the full functions and quality of HPMV-DN soft starter by a low voltage motor. Support a complete performance report and parameter record.• KYN24A-12 housing, raw material is made by imported aluminized zincograph. With the advantage of anti-corrosion, oxidation resistance, nice visual, high protection level. And easily to connect with other standard KYN28A-12 middle cabinets.• For generator supporting conditions, special control program can guarantee a successful startingon unstable voltage, current, frequency, as well 1.35 times of motors capacity.• Dual parameter input: for dual speed motors and power net and generator supporting electricityconditions, and for one drive two motors conditions, soft starter can input two instructions ofstarting and stopping through required parameter by PLC.• Friendly control menu and record index. Touch screen(optional).• The RS485 communication with Modbus or Profibus protocol enables full control isolation testingfunction. (Optional)Technical performance• Control method: pulse start, voltage ramp, constant current,rotation speed (optional).• SoftStart/SoftStop method: Soft Start, direct start, soft stop,free stop.• Control panel: on cabinet, remoted control, control centre(optional)• Communication: RS485,MODBUS, PROFIBUS• Analogue output: motor working current, 0~10v or 4~20mA.• Initial voltage: 10% 50%Un(can be extended to 5%~80%Un).• Current limit: 100% 400%In (can be extended to 500%).• Soft start, soft stop time: 1~30s (can be extended to 90s).• current, 70%~700%In, 0 10 .• Pulse start: adjustable time: ~ sparameter setting:1) control panel,2)communication• Parameter setting: 1) control panel, 2)communication• LCD display: working current, start times, running time, faulty message, etc. Optional languages: English, Chinese, Russian, German, French, Spanish.• Noise: <80db• starting interval time: No less than 30 mins if temperature >40 ,starting current> 400%In. At least 15mins for better condition.• cooling: natural cooling.• Operating power: AC220V/50Hz 600VA.• Main circuit power frequency endurance:42KV/MIN.• Protection level:IP42 (ip54 optional).Products standard• Q/HP 001-2009 HPMV series middle and High voltageAC motor solid soft starter equipment.• IEC 62271-200:2003 3.6 40.5KV AC metal close switchequipment and control equipment.• IEC 60694:1996 The standard public technicalrequirements of the high voltage switch equipment andcontrol equipment.• IEC 60146-1-1:1991 the basic requirements provisions ofthe semiconductor convertor.• IEC 60947-4-2:2002 low voltage switchgear set andcontrol equipments. part 4-2:contactor and motorstarter, AC semiconductor motor control equipments.Motor & Starter Protection• Too many starts & start inhibit time• Long start time (Stall protection)• Electronic overload with selectable curves• Electronic shear-pin*• Undercurrent*• Unbalanced current*• Ground fault current*• Phase loss• Phase sequence and under/over frequency• Under voltage*• Over voltage*• External faults(2separated inputs)• Shorted SCR& Wrong connection• Starter over temperature• Power on without start signal• Open Bypass contactor

  • JD-BP37-1000F  (1000 kW, 6 kV)

    JD-BP37-1000F (1000 kW, 6 kV)

     For this product provided full technical support. For any questions ask to refer>>Multilevel Medium Voltage Variable Frequency Drive: Output Power:            1000 kW; Input/ Output Voltage:   6 kV; Output Current:             120 A; Dimensions:          2100x2120x1700 mm; Weight:                      3560 kg.Delivery condition:        FOB Shanghai;payment:                          50% T/T befor production;                                          50% T/T befor shipment;Delivery time:                  60 days.For Medium Voltage frequency inverter ordering please fill your requirements in questionnaire >>Start and control feeding pump from medium voltage VFD Video look here>>The  JD-BP series medium voltage fvariable frequency drive designed and manufactured by Advanced Electric Systems LLC.  has prominent performance and high reliability with low cost. It is of AC-DC-AC voltage type inverter with main loop of multi-level topology circuit. The control mode adopts SPWM technology. And the input uses isolated transformer of multiple technology, while the output is fulfilled by the solution of phase-shifting tandem multi-unit and medium voltage to  medium voltage direct conversion.Many years of technical experience enabled Advanced Electric Systems LLC. and its staff to have developed inverters with low harmonic content, which is in a leading level in domestic. Perfect output voltage sine wave provides the inverter with stability of motor's operation during the whole speed regulation range. The low input current harmonics almost has no any disturbance to the grid and this ensures the operation reliability of the surrounding electric equipments.This series inverter can drive and regulate the  medium voltage motor in almost all kinds of application area. The speed regulation is smooth, and the efficiency and power factor is enviable. In particular, nowadays the world is in short of energy. JD-BP variable frequency drive can bring great economic effect when used for blowers and pumps.This series inverter consists of three main parts, transformer cabinet is on the left, and power unit cabinet is in the middle, while control cabinet is on the right. To improve the stability of the control circuit and to make the debugging more convenient, the control cabinet door was put on the right of the machine. This series product adopts cabinet structure with forced air cooling. And the big capacity machine adopts the cooling mode of water-cooled, air-closed circulation. The wiring terminal of input and output of the complete machine was placed on the lower left back. It is easy for connection.Application areaJD-BP medium voltage frequency variable frequency drive has been widely used for the medium voltage motor's speed regulation, energy saving, soft starting and intelligent control in the area of power supply, iron and steel, HVAC, oil, construction, mine and etc.*Heat power station: Coal grinding machine, blower, draught fan, dust exhaust fan, circulating pump, water-feeding pump. *Iron and steel plant, metallurgical plant: Water-feeding pump, dust exhaust fan, draught fan, oxygenator. *Mine: Slurry pump, ventilator. *Oil: Water injection pump, oil pump. *Chemical plant: Compressor, blower, circulating pump. *draw off pump, supply pump, purifying pump, sewage pump in urban power supply and sewage disposal: *The grinder, pump, draught fan, dust fan, supply blower in cement plant and ceramic plant *others: The blower for medicine, paper making, food. Specification Item Specification Power input Input frequency 50/60Hz±3% Input voltage 6kV(-10% ~ +10%)continuous running at the low power of -15% ~ -35% Mains frequency tolerance ±5% Input power factor In the event of rated load > 0.97 Efficiency In the event of rated load > 96 %( inverter part> 98%) Control characteristics control mode SPWM; tandem unit; phase-shift superposed wave; ac-dc-ac; medium-voltage to medium-voltage; technology Output frequency 0 ~ 120Hz Output frequency precision 0.01Hz Overload capacity 130%1minute, 150% 3s, 180% turning off Acceleration and deceleration time 0.1 ~ 6000s Analog input 4~20mA (3 ports) Analog output  4~20mA (4 ways) PID Standard PID function build-in Host communication RS-485 interface isolation Switching value, input/output 15 ways/15 ways Protecting functions Over-current of the motor, Over-voltage of the inverter, Under-voltage of the inverter, Over-current of the cell, Over-voltage of the cell, Over-heat of the cell, Lack phase of cell, Communication failure. Environment Operating environment temperature -10℃~+50℃, higher than 40℃, output power derated Storage temperature -20~+65℃ Cooling mode Forced air cooling Environment humidity 20~90%RH, no condensation Altitude < 1000 meters Protection level IP31  

  • Cast resin transformer SCB10-630/10, 630 kVA, 10 kV

    Cast resin transformer SCB10-630/10, 630 kVA, 10 kV

       Cast resin dry transformer: Capacity:                            630 kVA;HV:                                    10 kV;LV:                                     400 V;Standards supported:           IEC, GOST, CSA.Incoterms:                    FOB Shanghai;Payment:                       50% T/T befor production;                                       50% T/T befor shipment;Manufacturing time:    30 days. The main specification of the transformer:1. Transformer core is made of sheet steel cold rolled steel, special technology.2. All nesessary constructions of transformer  provides for fast and easy installation manualy.3. Transformers can operate at 100% humidity and do not require pre-drying prior to commissioning.4. The transformer creates minimum acoustic noise.5. The transformer has a high reliability and high performance.6. Easy to dismantle and disposal, virtually no harmful and heavy metals (lead). Line of dry transformers 10 kV / 0.4 kV, intended for use in substations to supply industrial and civilian targets.The following table lists the specifications of dry transformer cast resin type SC (B) 10 Voltage(KV): HV:10 LV:0.4 Tapping: ±5% or ±2*2.5% Vector: Yyn0 or Dyn11 Capacity, kVA Un-load loss(W) Un-load current(%) Load loss (120 °C (W ) Impemdance(%) Weight (kg) Dimension  (L*W*H mm) 630 1250 0.8 5875 4 2130 1420*1020*1430

  • Cast resin transformer SCB10-2500/6, 2500 kVA, 6 kV

    Cast resin transformer SCB10-2500/6, 2500 kVA, 6 kV

     Cast resin dry transformer: Capacity:                            2500 kVA;HV:                                     6 kV;LV:                                     400 V;Standards supported:           IEC, GOST, CSA.Incoterms:                    FOB Shanghai;Payment:                       50% T/T befor production;                                       50% T/T befor shipment;Manufacturing time:    30 days. The main specification of the transformer:1. Transformer core is made of sheet steel cold rolled steel, special technology.2. All nesessary constructions of transformer  provides for fast and easy installation manualy.3. Transformers can operate at 100% humidity and do not require pre-drying prior to commissioning.4. The transformer creates minimum acoustic noise.5. The transformer has a high reliability and high performance.6. Easy to dismantle and disposal, virtually no harmful and heavy metals (lead). Line of dry transformers 6 kV / 0.4 kV, intended for use in substations to supply industrial and civilian targets.The following table lists the specifications of dry transformer cast resin type SC (B) 10Voltage(KV): HV:6 LV:0.4Tapping: ±5% or ±2*2.5%Vector: Yyn0 or Dyn11Capacity, kVAUn-load loss(W)Un-loadcurrent(%)Load loss(120 °C (W )Impemdance(%)Weight (kg)Dimension (L*W*H mm)250040000.417170467502140*870*1990

  • JD-BP38-1600F  (1600 kW, 10 kV)

    JD-BP38-1600F (1600 kW, 10 kV)

     For this product provided full technical support. For any questions ask to refer>>Multilevel Medium Voltage Variable Frequency Drive: Output Power:            1600 kW; Input/ Output Voltage:   10 kV; Output Current:             115 A; Dimensions:          2800x2120x1700 mm; Weight:                      4700 kg.Delivery condition:        FOB Shanghai;payment:                          50% T/T befor production;                                          50% T/T befor shipment;Delivery time:                  60 days.For Medium Voltage frequency inverter ordering please fill your requirements in questionnaire >>Start and control feeding pump from medium voltage VFD Video look here>>The  JD-BP series medium voltage fvariable frequency drive designed and manufactured by Advanced Electric Systems LLC.  has prominent performance and high reliability with low cost. It is of AC-DC-AC voltage type inverter with main loop of multi-level topology circuit. The control mode adopts SPWM technology. And the input uses isolated transformer of multiple technology, while the output is fulfilled by the solution of phase-shifting tandem multi-unit and medium voltage to  medium voltage direct conversion.Many years of technical experience enabled Advanced Electric Systems LLC. and its staff to have developed inverters with low harmonic content, which is in a leading level in domestic. Perfect output voltage sine wave provides the inverter with stability of motor's operation during the whole speed regulation range. The low input current harmonics almost has no any disturbance to the grid and this ensures the operation reliability of the surrounding electric equipments.This series inverter can drive and regulate the  medium voltage motor in almost all kinds of application area. The speed regulation is smooth, and the efficiency and power factor is enviable. In particular, nowadays the world is in short of energy. JD-BP variable frequency drive can bring great economic effect when used for blowers and pumps.This series inverter consists of three main parts, transformer cabinet is on the left, and power unit cabinet is in the middle, while control cabinet is on the right. To improve the stability of the control circuit and to make the debugging more convenient, the control cabinet door was put on the right of the machine. This series product adopts cabinet structure with forced air cooling. And the big capacity machine adopts the cooling mode of water-cooled, air-closed circulation. The wiring terminal of input and output of the complete machine was placed on the lower left back. It is easy for connection.Application areaJD-BP medium voltage frequency variable frequency drive has been widely used for the medium voltage motor's speed regulation, energy saving, soft starting and intelligent control in the area of power supply, iron and steel, HVAC, oil, construction, mine and etc.*Heat power station: Coal grinding machine, blower, draught fan, dust exhaust fan, circulating pump, water-feeding pump. *Iron and steel plant, metallurgical plant: Water-feeding pump, dust exhaust fan, draught fan, oxygenator. *Mine: Slurry pump, ventilator. *Oil: Water injection pump, oil pump. *Chemical plant: Compressor, blower, circulating pump. *draw off pump, supply pump, purifying pump, sewage pump in urban power supply and sewage disposal: *The grinder, pump, draught fan, dust fan, supply blower in cement plant and ceramic plant *others: The blower for medicine, paper making, food. Specification Item Specification Power input Input frequency 50/60Hz±3% Input voltage 10 kV(-10% ~ +10%)continuous running at the low power of -15% ~ -35% Mains frequency tolerance ±5% Input power factor In the event of rated load > 0.97 Efficiency In the event of rated load > 96 %( inverter part> 98%) Control characteristics control mode SPWM; tandem unit; phase-shift superposed wave; ac-dc-ac; medium-voltage to medium-voltage; technology Output frequency 0 ~ 120Hz Output frequency precision 0.01Hz Overload capacity 130%1minute, 150% 3s, 180% turning off Acceleration and deceleration time 0.1 ~ 6000s Analog input 4~20mA (3 ports) Analog output  4~20mA (4 ways) PID Standard PID function build-in Host communication RS-485 interface isolation Switching value, input/output 15 ways/15 ways Protecting functions Over-current of the motor, Over-voltage of the inverter, Under-voltage of the inverter, Over-current of the cell, Over-voltage of the cell, Over-heat of the cell, Lack phase of cell, Communication failure. Environment Operating environment temperature -10℃~+50℃, higher than 40℃, output power derated Storage temperature -20~+65℃ Cooling mode Forced air cooling Environment humidity 20~90%RH, no condensation Altitude < 1000 meters Protection level IP31