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NR5700 Series Power Grid Capacitor Current Tester

The NR5700 series power grid capacitor current tester directly measures the capacitive current of the power grid from the secondary side of the PT. Compared with traditional testing methods, the capacitive current tester does not need to deal with the primary side, thus eliminating the danger of testing and eliminating the need for complicated safety measures and waiting for lengthy dispatch commands. Simply connect the measuring lines to the open delta terminals of the PT to measure the capacitive current data.

Category:

Protection and switching integrated test series

Email:

jd@jindian-tech.com

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Product patent

Product description

Product Introduction

　　The NR5700 series distribution network capacitor current tester directly measures the capacitive current of the distribution network from the secondary side of the PT. Compared with traditional testing methods, the capacitive current tester does not need to deal with the primary side, so there is no danger in the test, and there is no need for complicated safety measures and waiting for lengthy dispatch commands. Simply connect the measuring lines to the open delta terminals of the PT to measure the capacitive current data.

Main Features

　　◆ Safety: No need to deal with the primary side; simply connect the measuring lines to the open delta terminals of the PT to measure the capacitive current data. The testing process is simple;

　　◆ Digital Anti-interference Technology: The capacitive current tester uses the Fourier algorithm to filter out the influence of power frequency interference voltage on the measurement and calculates the amplitude and phase of the output signal to obtain the measurement result. This method greatly reduces the influence of the 50Hz power frequency interference signal on the measurement;

　　◆ Comprehensive Protection Functions: A high-power resistor is connected in series inside the capacitive current tester to limit the output signal current, ensuring that the capacitive current tester does not damage the PT in case of extreme damage. The high-power output components of the capacitive current tester use high-voltage-resistant components to ensure that when the distribution point system is abnormal and the open delta voltage is too high (reaching 100V), the components can withstand the voltage impact before isolation.

Technical Parameters

　　◆ Measurement Range: Total capacitance to ground ≤120μF (three-phase to ground)

　　Capacitive current ≤500 A (35kV system)

　　Capacitive current ≤200 A (10kV system)

　　◆ Measurement Accuracy: ±5% (capacitance ≤90μF);

　　±10% (90μF < capacitance ≤120μF)

　　◆ Operating Temperature: -10～50℃

　　◆ Relative Humidity: ≤90%

　　◆ Operating Power Supply: AC 220V ± 10% 50 Hz ± 1%

　　◆ Dimensions: 350mm*200mm*150mm

　　◆ Instrument Weight: 10 kg

NR5600系列全自动电容电感测试仪

None

SAUNDERS

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ADD：Building c3-09b, optical valley core center, 303 Optical Valley Avenue, Donghu New Technology Development Zone, Wuhan, China

Hotline: 400-027-1230
Tel: +86-027-8769-0177
+86-188-2742-2008
+86-177-6240-6910
After-sales :
+86-177 0277 9566
+86-133 6724 1932

Email:

jd@jindian-tech.com

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