Reduce the power capacity of the transformer; reduce the losses of the power supply and distribution system and save electricity.
Release time:
2023-05-15 14:44
Source:
Suitable Site: Sites with frequent changes in reactive power load, low power factor, and small harmonic current.
System Composition and Corresponding Functions
Total current and load current detection, used for reactive power calculation and display.
The reactive power calculation and control unit completes the reactive power current calculation, sending of on/off commands, parameter setting, etc.
Compensation control unit (power unit), including thyristors and triggering, unit management board, internal current detection, completes the switching board commands, switching on or off the compensation path, and parameter setting.
Capacitor, completes compensation.
Fan and relay part.
Multi-channel detection control board, completes multi-channel current detection and protection. This board is an optional accessory depending on the device configuration.
According to the device capacity and compensation requirements, it can be divided into a basic cabinet and an expansion cabinet. The expansion cabinet supplements the capacity of the basic cabinet. The basic cabinet can perform compensation independently, while the expansion cabinet must be used in conjunction with the basic cabinet.
Functions: Improve power factor to 0.9 or higher, avoid reactive power penalties; stabilize grid voltage to national standards or user requirements; reduce transformer power supply capacity; reduce power supply and distribution system losses, saving energy.
Basic Principle: After the load is running, reactive current is reciprocally exchanged between the load and the power grid. At this time, the single-chip microcomputer of the compensation device detects the magnitude of the current inductive reactive current and immediately issues a command to input the corresponding capacitive current to offset the inductive reactive power, improving the power grid's power supply capacity and ensuring the reliable operation of electrical equipment.
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