Product Details

Distribution Network Capacitance Current Tester

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The Distribution Network Capacitance Current Tester measures the capacitance current of the distribution network directly from the secondary side of the PT. Compared with traditional testing methods, this instrument does not need to interact with the primary side, thus eliminating the danger of testing, no need for complicated safety measures and waiting for lengthy dispatch commands. Simply connect the measurement line to the open delta terminal of the PT to measure the capacitance current data.

Since a weak heterodyne test signal is injected from the open delta of the PT, it neither affects the relay protection nor the PT itself, and avoids the 50Hz power frequency interference signal. At the same time, the output terminal of the tester can withstand 100V AC voltage. If a single-phase ground fault occurs in the system during measurement, it will not damage the PT or the tester, so no special safety measures are needed, making this work safe, simple, and fast, with accurate, stable, and reliable test results.

Technical Parameters

1. Measurement range: total capacitance to ground ≤120μF (three-phase to ground)

capacitance current ≤500 A (35kV system)

capacitance current ≤200 A (10kV system)

2. Measurement accuracy: ±5% (capacitance ≤90μF);

±10% (90μF<capacitance ≤120μF)

3. Operating temperature: -10～50℃

4. Relative humidity: ≤90%

5. Power supply: AC 220V ± 10% 50 Hz ± 1%

6. Dimensions: 350× 200×150 mm

7. Weight: 10 kg



Note: The above information and technical parameters are compiled and released by Yangzhou DARUI Electric Co., Ltd.