Description of this 280KW to 400KW Air Compressor Inverter with reactor high performance three phase vfd from POWTECH
There are three types of reactors used in inverters: line reactors, line reactors, and DC reactors. Customers can follow up on their own applications.
1. The main function of the incoming line reactor is to suppress the grid side harmonics of the incoming line power supply and increase the short circuit impedance of the main line of the incoming line power supply. According to this, it is flexible to consider whether to use it.
2. The main function of the outgoing reactor is to balance the distributed capacitive load of the outgoing cable and increase the short-circuit impedance of the main loop of the outgoing line. And can suppress the harmonic output of the inverter, play a role in reducing the noise of the inverter. When two or more inverters are operated in parallel, it also plays a role in limiting the commutation loop and load balancing. The former considers the length of the cable to determine whether to use it, and the latter must use it.
3. The DC reactor is mainly used in the AC-DC-type AC-DC-AC variable frequency drive system. If the current mathematical model of the common rectifier is an inductive load, it must be used; if it is a capacitive load, it can be used. In either case, the use of a DC reactor can suppress DC current fluctuations.
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Parameters of this 280KW to 400KW Air Compressor Inverter with reactor high performance three phase vfd 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
Specification of this 280KW to 400KW Air Compressor Inverter with reactor high performance three phase vfd 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
||G type: Rated current 150%－1min, Rated current 180%－3s
P type: Rated current 120%－1min, Rated current 150%－3s
||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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