Variable frequency resonance type 1600KVA/640KV Creative design Maual and Automatic Test Mode All protections

1.Description:

The resonant withstand test set is specially designed for AC withstand test of 150KV cable and 150KV&500KV GIS. The whole test set consists of variable frequency power source, excitation transformer, 4 pieces of inductors, and high voltage detector(capacitive voltage divider). Serial & parallel connections of different combinations of 4 pieces of inductors are able to satisfy different kinds of test requirement as below.

Devices combination    Mode Test object		Inductor 400kVA/160kV 4 pieces	Excitation. transformer output	High Voltage detector	Test voltage
150kV/1000mm 2cable	Within 200m	1 piece of inductor	6kV	350kV	160kV
	200-500m	2 pieces of inductor are parallel
	500-700m	3 pieces of inductor are parallel
	700-1000m	4 pieces of inductor are parallel
150kV GIS		2 pieces of inductor are serial	12kV	350kV	275kV
500kV GIS		4 pieces of inductor are serial	24kV	700kV	596kV

  

2.Product Features:

√  Variable frequency resonance type

√ Test both cable and GIS with different inductor connections

√ Creative design, High Voltage Tester not only one instrument to measure high voltage, but as one capacitor to compose the test set.

√ Manual or Automatic Test Mode

√ Input 380V

√ Q value more that 30

√ Over Current Protection , Over Voltage Protection, Atc Protection for Tested Object

√ Output Wave: Sine Wave,Wave Aberration Rate≤1% 

 

3.Test Object & requirements:

 √ XLPE Cable, Rated Voltage150kV ,estimate length 1000 meters(1000mmsq), Equivalent capacity≤0.22uF, Test Frequency:30~300Hz, Test Voltage:160KV

√ 150KV GIS, Test Frequency:30~300Hz ,test voltage 275KV

√  500KV GIS, Test Frequency:30~300Hz ,test voltage 596KV

 

4.The Test Set Composed of:

√ Exciting Transformer, 60kVA/6kV/12kV/24KV, oil immersed,1 piece, about 350Kg

√ Variable Frequency Power Supply, 60kW/380V,1 piece, about 150Kg

√ High Voltage Inductor,320KVA/160KV,4 PCS, about 500Kg one piece

√ High Voltage Dividerr,350KV/400pf, 2 pieces, about 45Kg

5.Main Specifications:

√ Rated Capacity:1600KVA

√ Input: 3-phase,380V,50Hz

√ Rated Voltage:160KV,320KV,640KV

√ Rated Current:10A, 5A,2.5A

√ Test Frequency: 30~300Hz

√ Output Wave:Sine Wave

√ Wave Aberration Rate≤1%

√ Duration: Rated test object,60 minutes, Over Voltage 110% 60 seconds( For single HV inductor,over voltage 120% 60 second, for whole set, over voltage 110% 60 second)

√ Temp.Rise: Rated test object,60 minutes continuous operation,less than 65K

√ Q Value ≥30(f=45Hz)

√ Over Current Protection , Over Voltage Protection,Atc Protection for Tested Object

√ Measuring Accuracy: RMS1.5%

√ Temp. 0°C ~45°C

√ RH≤90%,No dew

√ Altitude≤1000m 

6. Order Information

6.1 For Order

Difference from other universal tester, Resonant tester is designed and produced according to customer’s specific requirements.

-What Test objects are,

-Specifications of Test object is, for example equivalent capacity for cable, rated voltage for GIS

-Test voltage is for each test object according to your country’s relevant regulations

This is very complex job. If you have any difficulty, please contact us freely.

7.2 Manufacturer Promise

We promise the test set can be operated normally precondition the customer provides us correct information which the system designed necessary.

7.3 For customer site service

We can provide customer site service, including connections, commissioning, test and training , based on customer cost.

7.4 The third Party Calibration in China

We can provide the third Party Calibration in China based on customer cost.

7.5 Factory Test Witness

We welcome customer to participate in factory test witness.

7.6 Lead time

Six weeks for rated voltage less than 600KV, 8 weeks for rated voltage more than 600KV.

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