I.Product Overview:

The device is mainly designed and manufactured for ac voltage withstand test of all main electrical equipment such as 10kV,35kV,110kV,220kV,substation and line.The reactor adopts several separate design,which can not only meet the requirements of high voltage and small current equipment test conditions,but also meet the requirements of low voltage AC withstand voltage test.It has a wide range of application,and is the ideal withstand voltage equipment for local,city and county high voltage test departments and electric power installation and repair engineering units.

The device is mainly composed of variable frequency control power supply,excitation transformer,reactor and capacitor divider.

Two,technical indicators

1.Output voltage waveform distortion rate:<1.0%

2.Allowed continuous working time:15 minutes at a time under rated conditions.

3.Quality factor of the device itself:Q>50

4.Cable and generator test under full load quality factor:Q>30(Load related)

5.Main transformer and line test at full load quality factor:Q>30(Load related)

6.Input power:three-phase 380V or single-phase 220V,when the power supply is 380V,can do rated load test;When the power supply is 220V,only 1/2 load test can be done.

7.Frequency adjustment range:20Hz~300Hz

8.System measurement accuracy:1.5%

9.The device has over voltage,over current,zero start,flashover protection and other protection functions

Frequency conversion power supply(one set):

Technical parameters

1.Rated power:5.5-500KW;

2 input voltage:three-phase 380V±5%or single-phase 220V±5%45~65Hz,when the power supply is 380V,can do rated load test;When the power supply is 220V,only 1/2 load test can be done.

3.Output voltage:0~400V adjustable

4.Output voltage frequency:20~300Hz

5.Frequency adjustment:0.1Hz step adjustable

6.Frequency instability:≤0.02%

7.Output current:13~1250A

High voltage reactor

Technical parameters

1.Rated working voltage:0-1000kV

2.Rated operating current:1-10A

3.Rated inductance:30-600h

4.Continuous working time:15min

5.Temperature rise:less than 60 degrees

6.Working frequency:20~300Hz

Excitation transformer(one set):

Technical parameters

1.Rated capacity:3.5-500kVA

2.Input voltage:when the capacity in 5.5-20KW input is 200V/400V

When the capacity is 20-500kW,the input is 400V

Capacitance divider(one set):

Technical parameters

1.Own capacity:300-5000PF

2.Rated voltage:10-1000kV

3.Working frequency:20~300Hz

4.Uncertainty:1.0%