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Introduction to the functions of power capacitors

  • Time:2022-11-14 17:10:02
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Power capacitors used in power systems and electrical equipment. Any two metal conductors, separated by an insulating medium, form a capacitor. The size of a capacitor depends on the geometric dimensions between the two plates and the characteristics of the insulating medium. When using capacitors under AC voltage, the capacity of the capacitor is usually expressed in terms of its reactive power, with the unit being none or none.

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The traditional capacitor reactance reactive power compensation device has low compensation accuracy, single function, complex installation circuit, which is not conducive to production, transportation, installation, debugging and reliable operation, seriously limiting its development. Capacitors are prone to generate large impact currents during the cutting process, leading to overvoltage in the power grid and serious harmonic generation, which affects the stability of the power grid. To address these issues, low-voltage intelligent integrated power capacitors can be used as compensation devices and zero switching technology can be employed.


AZCL intelligent integrated harmonic resistance power capacitor adopts microelectronic component technology, microsensor technology, micro network technology, electrical manufacturing technology, intelligent components, controllers, capacitors, reactors, plastic shell circuit breakers and other components. The whole machine has a small volume and fine structure.


The intelligent capacitor controller calculates parameters such as reactive power deficit and power factor through current transformers and voltage sampling. With an industrial grade MCU as the core, it forms a system with AD conversion, RS-485 communication, LCD display, data storage, etc. It integrates data acquisition, operation, analysis, control, communication, human-computer interaction, and data storage.


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