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280KW to 400KW Air Compressor Inverter with reactor high performance three phase vfd from POWTECH

Brand: POWTECH
Input voltage : AC three phase 380V±15%
Frequency input: 0-50Hz/60Hz
Power:280-400kw
Model: PT300-280G/315P-3 PT300-315G/355P-3 PT300-355G/400P-3 PT300-400G/450P-3


Specifications

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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

Model: PT300-***G/***P-3
Rated power:280-400KW
Input voltage:AC three phase 380V/480V/690v±15%
Output voltage: AC three phase 380V/480V/690V±15%
Frequency intput:0-50Hz/60Hz
Frequency output:0-400Hz
Working Temperature: -10~40℃
Cooling mode:Force-air cooling
Display mode:LED
IP Grade:IP20

Specification of this 280KW to 400KW Air Compressor Inverter with reactor high performance three phase vfd from POWTECH
 
Maximum Frequency V/F control: 0-500Hz(0.01Hz resolution)
0-3000Hz(0.1Hz resolution)
Vector control: 0-500Hz
Starting torque 0.25Hz/150%(VF 、SVC);0Hz/180%(FVC)
Speed stability accuracy Sensorless vector control(SVC): ≤±0.5%(rated synchronous speed)
PG vector control(FVC): ≤±0.02%(rated synchronous speed)
Torque control accuracy ±5%(FVC)
Overload capacity G type: Rated current 150%-1min, Rated current 180%-3s
P type: Rated current 120%-1min, Rated current 150%-3s
Torque boost Automatic boost; Customized boost 0.1%~30.0%
DC braking DC braking frequency : 0.0Hz~maximum frequency
Braking time : 0.0~36.0s
Braking action current value : 0.0%~100.0%
JOG control 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.
Environment temperature -10~40℃(De-rated if the ambient temperature is 40℃~50℃)
Cooling method Forced cooling or natural cooling
IP Grade IP20
 
brand  model  Input voltage Rated output power(kw) Adaptable motor(kw)  Rated input current(A) Rated output current(A) Dimension(mm) Gross weight(KG) 
POWTECH PT300-280G/315P-3 3-phase 380V±15% 280/315 280/315 525/590 520/585  1160*650*400    /
POWTECH PT300-315G/355P-3 3-phase 380V±15% 315/355 315/355 590/665 585/650
POWTECH PT300-355G/400P-3 3-phase 380V±15% 355/400 355/400 665/785 650/725
POWTECH PT300-400G/450P-3 3-phase 380V±15% 400/450 400/450 785/883 725/820
 
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