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When the flat winding wire is subjected to the steel ball method breakdown voltage test, when the test voltage is high and the distance between the two poles of the test voltage is short, creeping discharge develops at the interface between the insulating paint or other insulating materials on the surface of the sample and the air. Penetrating air breakdown is called “flashover”. At this time, the current detected by the instrument reaches the breakdown current threshold of the instrument and a breakdown action signal is issued. Obviously, the insulation of the sample has not been broken down at this time, so the true breakdown voltage value of the sample cannot be detected. The voltage level when “flashover” occurs is related to the humidity, contamination on the surface of the sample insulation material, and the distance between the two poles of the test voltage. To this end, our company has launched an anti-flash test chamber with a withstand voltage of more than 30KV, a fully insulated material test box liner, an anti-flashover distance of more than 1200mm, a built-in dehumidification and heating device, warm LED lighting strips, and five-station testing at the same time. The network high voltage test chamber, combined with the HA20KV/30KV breakdown voltage tester produced by our company, can conduct winding wire breakdown voltage tests realistically and efficiently.
Product Description:
When the flat winding wire is subjected to the steel ball method breakdown voltage test, when the test voltage is high and the distance between the two poles of the test voltage is short, creeping discharge develops at the interface between the insulating paint or other insulating materials on the surface of the sample and the air. Penetrating air breakdown is called “flashover”. At this time, the current detected by the instrument reaches the breakdown current threshold of the instrument and a breakdown action signal is issued. Obviously, the insulation of the sample has not been broken down at this time, so the true breakdown voltage value of the sample cannot be detected. The voltage level when “flashover” occurs is related to the humidity, contamination on the surface of the sample insulation material, and the distance between the two poles of the test voltage. To this end, our company has launched an anti-flash test chamber with a withstand voltage of more than 30KV, a fully insulated material test box liner, an anti-flashover distance of more than 1200mm, a built-in dehumidification and heating device, warm LED lighting strips, and five-station testing at the same time. The network high voltage test chamber, combined with the HA20KV/30KV breakdown voltage tester produced by our company, can conduct winding wire breakdown voltage tests realistically and efficiently.
The Main Technical Parameters:
|
Applicable Wire Diameter |
Round Wire ≤2.5mm, Flat Wire narrow side 0.8-5.6mm, wide side 2-16mm |
|
Maximum Test Voltage |
30000V |
|
Input Power |
220V±10% 50Hz |
|
Power Consumption |
≤1000W |
|
Working Environment |
Temperature 0-40℃ Relative humidity ≤85% |
|
Dimensions |
800×650×2060mm (L×W×H) |
|
Test Box Size |
660×480×1460mm (L×W×H) |
© Dongguan Zhongli Instrument Technology Co., Ltd.
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