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Intensive high voltage capacitor
Mar 20, 2019

High voltage shunt capacitor devices are mainly divided into two types: distributed and combined (framework type) high voltage shunt capacitor devices and intensive high voltage shunt capacitor devices. Their structures and characteristics are described as follows:

The hv shunt capacitor unit is composed of isolation switch (grounding switch), discharge coil, zinc oxide arrester, series reactor, hv shunt capacitor bank, current inductor, spurt type fuse and busbar, discharge indicator, combination cabinet, etc. Dispersive device is generally used indoors. According to the needs of users and the site, it can be made into a single-layer, double-layer or three-layer structure with double row and single row. It has the characteristics of flexible capacity adjustment, convenient installation and maintenance of the device, and less oil storage.

The intensive high-voltage shunt capacitor device is mainly composed of isolation switch (grounding switch), discharge coil, zinc oxide arrester, series reactor, integrated (intensive) shunt capacitor, bus and frame (fence can be added as required). Intensive high-voltage shunt capacitor device is generally used in the outdoor, its operation is not affected by the environment and the site, the integrated capacitor has the advantages of fully sealed, maintenance-free.

Capacitance - regulated high - voltage shunt capacitor device can be divided into two forms: on - load capacitance - regulated and no - load capacitance - regulated. Under normal circumstances, capacitor devices for power systems of 10KV and below can realize on-load automatic capacitance adjustment. The device can realize on-load automatic corduroting by detecting bus voltage and reactive power and controlling switching of vacuum contactor. Capacitor Banks can be grouped according to requirements of substations. No-load capacitance regulation can be divided into electric capacitance regulation and manual capacitance regulation. The device can realize no-load manual capacitance regulation through tapping of different tap positions of electric or manual tap switches built-in in (integrated) capacitors or by switching and cutting of different combinations of isolation switches.

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