Automatic capacitance inductance tester, referred to as capacitance inductance tester. The automatic capacitance inductance tester adopts a bridge circuit structure, and the standard capacitor and the tested capacitor serve as two arms of the bridge circuit. When measuring the capacitor capacitance, close the test switch K. The test voltage is applied to both the standard capacitor and the tested capacitor. The processor passes the current signal collected by the sensor and is processed to obtain the capacitor to be tested. Capacitance and resistive components.
The automatic capacitance inductance tester is specially developed for measuring the capacitance value of a single capacitor in a shunt capacitor bank at the substation site under the guidance of an expert working group of a reactive power compensation device. It focuses on solving the following problems:
(1) The measurement of a single capacitor at the site requires the removal of the connection cable, which not only has a large workload but also easily damages the capacitor.
(2) The output voltage of the capacitance meter is low and the fault detection rate is low.
(3) Measuring the inductance of the reactor The instrument has the characteristics of small measurement workload, quick and easy, stable performance, accurate measurement, and high failure detection rate.
In addition, its current measurement unit can also be used for measurement of electrical equipment such as CVTs and surge arresters.
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