Output voltage: single phase 0-300V continuous adjustable, three-phase 0-520V continuous adjustable (can be special custom made to 1000V)

Output frequency: 60HZ, 50HZ, 40-499.9HZ continuously adjustable

Super counted ability, instantaneous current can withstand three times rated current

A one click shutdown function, the reaction rate is fast, the reaction time is less than 2ms

With over current, over voltage, over temperature, short circuit, overload and other multiple protection and alarm function.

High precision frequency stabilized voltage stabilizing function, fast regulating voltage, frequency

The main components are imported brands, quality and reliable

Three out of three variable frequency power supply technical parameters

model

three-phaseDDBP-250KVA

Output capacity（250KVA） 

250KVA

Circuit mode

IGBT/SPWM-delta modulation technique

AC input

Phase number

three-phase

wave form

SINEWAWE

Voltage

380V/220V±15%

Frequency range

50HZ or 60HZ±10%

power factor

﹥0.9

AC output

Phase number

three-phase

wave form

SINE  WAVE

Low voltage

High voltage

Single phase voltage: 0-300V continuously adjustable
Three phase voltage: 0-520V continuously adjustable

frequency

60HZ，50HZ，40-499.9HZ Continuously adjustable

Frequency stability

≤0.01%

Low maximum current（A）

698A（0-260V）

High grade maximum current（A）

349A（0-520V）

Whole machine performance

Power supply voltage

﹤1%

load regulation

﹤1%

Waveform distortion

﹤1%

efficiency

﹥90%

reaction time

≤2ms

crest factor

3：1

Protector

With over voltage, over current, overload, input under voltage, over temperature, short circuit and other multiple protection

display

Display interface

Digital LED display

Voltage

4 digit, digital voltmeter, resolution 0.1V

electric current

4 digit, digital current meter, resolution 0.1A

power

4 digit digital watt meter

frequency

4 digit, digital frequency table

Environment and other

cooling system

High speed variable frequency fan cooling, forced air cooling

working temperature

-10℃ to  50℃

relative humidity

0～90%（non-condensing）

Altitude

≤1500m

weight（KG） 1800

size(H*D*W）mm       1500*1200*1000

Note: more than 1 of the size does not contain the height of the foot

2.can be customized according to customer requirements specifications 

   3.the company's product specifications continue to develop improvements, specifications are subject to change without notice