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PONOVO POWER CO., LTD
Group: PONOVO
Catalog excerpts
Introduction PW-VP50 Polarity checker is the favorable meter which can be used for field CT and transformer polarity test in power plants, substations and any other application which may need to check the polarity. There are 2 units included in PW-VP50. One master machine which can automatically inject high-precision pulse current with adjustable amplitude and period to the primary side of CT, three-phase at the same time. The other slave machine will receive and analysis the waveform of induced pulse current at the secondary side so as to judge the polarity is positive or negative automatically by the LED indicator on the kits. This testing method is very simple, reliable and easy to use. There are built-in battery inside the kits and very small size so that engineer can use it to quickly complete the polarity detection work not only for CT, but also the secondary protection relay circuit's polarity check. Master Machine Slave Machine Polarity Check Mode Test Result Indication Power Supply Weight Master Machine Phase Output Option A phase/ B phase/ C phase / three-phase Period Output Option 2s/3s/4s/5s Current Output Option 1A/2A/3A/5A Output Mode Single trigger/ Cyclic trigger Power Supply Li-Battery Automatic Check LED light indicator and Buzzer 4pcs AAA Alkaline 250g
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Secondary Side Master Machine Slave Machine £1 PONOVO POWER CO., LTD. No.139 Jinghai Third Road, BDA, Beijing, China. 100176 Tel : +86 (10) 59089666 Fax: +86 (10) 59089999 www.ponovo.net info@relaytest.com support@relaytest.com
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