Bw-pgy relay protection experimental power supply screen developed and produced by our company, dc adjustable part through the voltage regulator, rectification transformer and other precision components, to achieve DC0-250V regulation, easy to use, simple operation, easy to master, the output circuit parameters stable, to meet customer requirements. The product is suitable for substation, power plant relay protection test, to provide reliable, stable AC and DC test power supply.

Technical parameters

● AC input power supply: 2 380V/220V power supply, standby for each other, 20kVA continuous working system, 15kVA for THE AC part, 5kVA for the DC part.

Ac output power supply

BW-PGY-1:

BW-PGY- -2:

3 380V three-phase four wire, 10A;

5 380V three-phase four wire, 10A;

Three 100V three-phase four wire, 10A;

Three 100V three-phase four wire, 10A;

One 380V three-phase four-wire socket

Three 380V three-phase four-wire socket, one 100V three-phase four-wire socket

6 channels 220V single-phase socket;

3 channels 220V single-phase socket;

When the three-phase input is balanced, the output unbalance is less than 1%, and the third harmonic is less than 3%.

Dc output power supply

Bw-pgy-1:3-way 0 ~ 250V continuous adjustable, 20A; Ripple coefficient K< 1.5%.

Bw-pgy-2:3-way 0 ~ 250V continuous adjustable, 10A; 2 channels 220V output, 10A; 1 channel 0 ~150V socket; 1 220V socket; Ripple coefficient < 1.5%.

● Voltage resistance: input-output circuit to ground insulation strength can withstand AC 2000V, 1 minute test.

● Life: according to the life of the switch 20000 on and off.

Conditions of use

● Ambient temperature: -10°C~40°C

● Altitude is customized according to customer requirements

● The air humidity is not more than 50% at +40℃, higher humidity is allowed at lower temperature, not more than 90% at +20℃

● The difference between mounting inclination and plumb line is no more than 5°

● Installation site mechanical vibration amplitude is not more than 0.05mm, frequency is not more than 600 times/min

● The surrounding medium has no explosion danger, no conductive dust and corrosive gas