Description of this 710KW to 800KW Economical inverter and low price frequency inverter from Powtech
The Economical inverter high power model has the following features:
1. Using IGBT power components to clamp direct series, direct speed control (DSC), anti-common mode voltage and sine wave output and other key technologies, the product has unique technical advantages and outstanding cost performance.
2. Direct high-high solution, no input, output transformer and external reactor or filter device; the system is simple and reliable, the operating efficiency of the full speed regulation section is not less than 98%, higher than other types of high voltage inverter products.
3. Unique anti-common mode voltage and sine wave output technology, the inverter output can be directly connected with ordinary high-voltage motor. There is no special requirement for motor insulation and output lead length, especially suitable for retrofit projects; output voltage waveform distortion is less than 3 %, approximate to a perfect sine wave.
4. The power frequency bypass system can be set in the device to ensure that the device can continue to operate in the event of a fault in the inverter.
5. The power unit adopts modular structure design, automatic diagnosis and recording of faults and faults; system maintenance and repair is simple and easy, which ensures efficient operation after the system is put into use.
6. Good man-machine interface, perfect protection function and communication interface.
We have many years of experience in manufacturing and sales of Economical inverter and frequency inverter.We have accumulated a wealth of experience and applied this experience to the design and manufacture of products.Our fan or pump used variable frequency drive power inverter with CE is exported to many countries around the world and has a good market reputation.We can meet the various customization requirements of our customers.We are always ready to provide you with quality products and perfect service. Please write to us for more information about fan used variable frequency drive,pump used variable frequency drive.
Specification of this 710KW to 800KW Economical inverter and low price frequency inverter from Powtech
Input voltage:AC three phase 380V/480V/690v±15%
Output voltage: AC three phase 380V/480V/690V±15%
Working Temperature: -10~40℃
Cooling mode:Force-air cooling
Parameters of this 710KW to 800KW Economical inverter and low price frequency inverter from Powtech
||V/F control: 0-500Hz(0.01Hz resolution)
Vector control: 0-500Hz
|Speed stability accuracy
||Sensorless vector control(SVC): ≤±0.5%(rated synchronous speed)
PG vector control(FVC): ≤±0.02%(rated synchronous speed)
|Torque control accuracy
||Automatic boost; Customized boost 0.1％～30.0％
||DC braking frequency : 0.0Hz～maximum frequency
Braking time : 0.0～36.0s
Braking action current value : 0.0%～100.0%
||JOG frequency range: 0.00Hz～50.00s；
JOG Acc/Dec time : 0.0s～6500.0s
|Auto voltage regulation(AVR)
||It can keep constant output voltage automatically when the mains voltage changes.
|Torque limit and control
||“Excavator” characteristics, it can limit the torque automatically and prevent frequent overcurrent tripping during running
process；Torque control can be implemented in the CLVC mode.
||-10~40℃(De-rated if the ambient temperature is 40℃～50℃)
||Forced cooling or natural cooling
||Rated output power(kw)
||Rated input current(A)
||Rated output current(A)
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