VFD Technical Parameters
VFD Technical Parameters

Technical Parameters of Medium Voltage VDF (Variable Frequency Drives)

Series No Parameters Value
1 Capacity (kVA) 250~8750
2 Power of adaptive motor (kW) 200~7000
3 Input Frequency (Hz) 45~65
4 Rated input voltage (kV) 3/3.3/4.16/6/6.6/10/11 (-35% ~ +15%)
5 THD i at power grid <3% (Permissible value≤4% )
6 THD u at output side <3% (Permissible value≤5%)
7 Input power factor >0.95% (>20% of rated load)
8 Efficiency >97% (under a rated load)
9 Output frequency (Hz) 0.5~120
10 Output frequency resolution (Hz) 0.01
11 Rated output current (A) 36~600
12 Overload capability 120% (1min), 150% (3s), 200% (Immediate protection)
13 Control mode V/F control or Vector control
14 Logical control I/O signal 16 channels respectively
15 Analog input 0~10V/4~20mA
16 Analog output 0~10V/4~20mA Optional (2 channels)
17 Boolean input/output Communications/Default point (expandable )
18 Acc. & Dec. time (s) 0.1~3000
19 Communication with host CAN, Profibus, Modbus, RS232, RS485, etc.
20 Cooling mode Forced air cooling
21 Filter Not required
22 Storage temperature (℃) 0 ~ 45
23 Ambient temperature (℃) -35 ~ +45
24 Ambient humidity 95%, no condensation
25 Protection grade IP40
26 Noise <70dB
27 Altitude <1000m

      Zhuhai Wanlida Electrical Automation Co., Ltd.

      Add.: Relay Protection Industrial Park, No. 1 Technology Road, Science and Technology Innovation Coast, High-tech Zone, Zhuhai City, Guangdong Province, China
      Post Code: 519085
      Tel.: +86-756-3395623
      Fax: +86-756-3395623
      Contact Person: Mr Daniel Wu (Manager)