VFD and AC Drives From PI7800

PI7800 Series
Main technical features:
1) Power range: 0.75~630KW
2) Voltage: 3AC 220/380/440V/575V/690V -15%~15%
3) Output frequency: 0.00 ~ 800.00Hz
4). Central control module based on DSP, realizes high-speed and high performance control.
5). Integrate V/F control, V/F+PG control, control.
6). 3 space voltage vector waveform produce methods.
7). Dead compensate function, realize low frequency and large output torque control.
8). Automatic slip compensate.
9). At most 7 steps speed control and 8 steps acceleration control can be realized.
10). 6 programmable output control terminals.
11). Internal PID function, realize high performance closed loop control.
12). PID regulate DC braking.
13). Speed pursue starting and restart after momentary power loss.
14). Forced communicated function, support standard RS485, supply remote keyboard control function.
15). Special converse module (IGBT) temperature control function, adjustable fan control, timely reduce motor noise and temperature.
16). High-efficient faults inquiry and record function, conveniently obviate the fault.
17). Paramater protection function
18). Unique design, make frequency converter least pollution to the power.
19). Outstanding behave 3-phase AC synchronous motor of permanent magnetism control.
20) Control mode: Vector control with PG (VC), V/F control
21) Overload capacity: 150% rated current for 60 s (SVC), 180% rated current for 10 s (VC)
22) Multi-functional Quick/Jog key: Access common used parameter quickly
23) Ambient temperature: -10~40 degree
24) Altitude: 0~1000 m, 1000~4000 m with derating
25) 30 kinds of protection function
26) User can plug in option card to achieve specialized inverter for different application
27) Avoid high temperature and moisture and avoid being wetted due to raining, with the humidity below 90%RH (not dewing).
Typical application:
Big fans and pump, paper plant, cement plant, sugar refinery, Injection molding machine, Air compressor, Pressing machine, Air conditioner