Low Voltage Reactive Power Compensation Cabinet with Automatic Power Factor Correction
Operating conditions: Ambient temperature -40 to +50℃, altitude below 1000 meters.
Rated voltage: 220V to 1000V.
Rated capacity: Single cabinet ≤500kvar.
Number of control channels: 1 to 24 channels per cabinet
Working hours: Automatic, continuous operation. The capacitor adopts an equal-capacity cyclic switching method: switching first and then switching, and switching later and then switching, which can extend the service life of the capacitor.
When the load varies between 5% and 100%, the COS value remains above 0.95.
This device is for indoor use and its casing is of floor-standing structure.
Complies with JB/T7113-1993 "Low Voltage Shunt Capacitor Device".
Single cabinet size: 1000*1000*2200, industry standard cabinet size (Non-standard sizes can be customized)
Product Overview
The low-voltage reactive power compensation cabinet is a new generation of energy-saving product independently developed by our company. It introduces a microcomputer control system to intelligently and automatically track and compensate for reactive power.
Specification example
HREBJ - 0.4-300-7 AG
HRCVG - 0.4-300-7 AG
The basic principle of this device
This device samples the reactive current of the power grid by the HRIMC power quality management controller. The microcomputer inside the controller analyzes and calculates the sampled current and then sends the control signal to the signal generator. The signal generator then controls the synchronous switching switch of the capacitor in the compensation cabinet, thereby controlling the switching of the self-healing low-voltage parallel capacitor and improving the power factor of the power grid. The aim is to reduce line losses and improve power quality.
Main features
It is small in size and easy to install and maintain. Applicable to rated voltages ranging from 220V to 1000V.
It adopts microcomputer control, with complete functions, reliable performance and automatic compensation mode.
The four function setting keys on the panel keyboard can complete the setting of the digital display C0S∮ set value and the overvoltage set value. The simple human-machine dialogue makes the operation extremely convenient.
Safe to use and equipped with various protection functions: short circuit, overload, overcurrent, overvoltage, harmonic protection, etc. When the overvoltage protection value is reached, the operation will be delayed and all operating capacitors will be withdrawn one by one.
It has strong anti-interference ability and can resist interference pulses with an amplitude of 2000V directly input from the power grid, which is higher than the national professional standard.
Automatic operation function: Exit in case of power failure and resume automatic operation after a delay upon power restoration.