Megmeet MV820 - Page 11

11
Rated input
current (A)
Refer to Table 1-1.
Rated
frequency (Hz)
50 Hz/60 Hz, fluctuation range: ±2 Hz
Output
Rated output
power (kW)
Refer to Table 1-1.
Rated output
current (A)
Output voltage
(V)
Three-phase output under rated input conditions, 0 to rated input voltage, deviation
less than ±3%
Output
frequency (Hz)
V/F: 0.00 to 599.00 Hz (unit: 0.01 Hz); vector control: 0.00 to 599.00 Hz
Overload
capacity
1 min for 150% rated current
3 s for 180% rated current
1 s for 200% rated current
Drive control
Control mode
Flux vector control without PG, V/F control, Flux vector control with PG
Maximum
output
frequency
V/F control: 599 Hz, other control methods: 599 Hz; high-frequency version: 3500 Hz
Speed
regulation
range
1: 200 (flux vector control without PG); 1: 1000 (flux vector control with PG)
Speed control
precision
±0.5% (flux vector control without PG); ±0.02% (flux vector control with PG)
Speed
fluctuation
±0.3% (flux vector control without PG); ±0.1% (flux vector control with PG)
Torque
response
< 20 ms (flux vector control without PG); ＜ 10 ms (flux vector control with PG)
Torque control
Torque control precision ±5% for vector control without PG (above 5 Hz for
asynchronous motors, above 10 Hz for synchronous motors); ±3% for vector control
with PG