750kVA variable frequency ac power supply60hz AC60-337500

model

331000

331500

332000

333000

334000

335000

336000

337500

338000

Capacity(KVA)

100

150

200

300

400

500

600

750

800

input

voltage

380/400/440V±15% 3phase 4wires or 3phase 5wires

frequency

45-65Hz

Power factor

≥0.95

output

Voltage

3phase 2 wires ,voltage(0-500V)can be chosen

frequency

50Hz/60Hz can be chosen

frequency stability

≤0.01%(0-100% when load are changing,output frequency are not changing )

Load stability

≤3%(100% pure resistance load)

overload ability

can support 2times rated current impact

Wave distortion

Pure sine wave,THD≤3%

efficiency

≥94%

display

voltage output frequency,3phase phase voltage/current,active power etc.parameter display

control mode

IGBT/SPWM Pulse width adjustment mode

protection class

IP22

Insulation reactance

Above 2MΩ

Pressure endurance insulation

1800Vac/5Ma/1minute

Cooling model

Inverter:heat pipe cooling       transformer:Compulsive fan cooling

overload working time

110%load 1hour

noise

Below 65dB

Relative humidity

Below 0-90%(-10°C-50°C)

Altitude

1500 meters

Protection function

The output power supply have perfect protection function of over voltage, over current, short circuit, inverter overheat . Consider the different control of the ship's electricity load, when the output load capacity reach the set value,will alarm, so as to control the electricity load