乐清市东禾电气有限公司

Summary

GGJ low voltage reactive power intelligent compensation device adopts computer aided design (CAD), introduces microcomputer control and implements intelligent tracking compensation for reactive power. Its structure is reasonable. It is widely used in low voltage power grid to improve power factor, reduce reactive power loss and improve power supply quality. It is a power saving product. It is specially used for reactive power compensation of 130-600kva three-phase transformer.

Model meaning

Service environmental conditions

◆ altitude: ≤ 2000m;

◆ ambient temperature: - 20 ℃ ~ + 45 ℃;

◆ relative humidity: ≤ 90% at 20 ℃;

◆ installation environment: no harmful gas and steam, no conductive or explosive dust particles and serious mold.

Main features

◆ it is controlled by intelligent controller with complete functions, reliable performance and automatic compensation mode: the power factor can be increased to more than 0.9:

◆ real time display of grid power factor, display range: lag (0.00-0.99), lead (0.00-0.99)

◆ it has a variety of comprehensive protection functions such as overvoltage, over harmonic, over compensation, system fault, phase loss, overload and so on;

◆ remember the set parameters. The system will not lose parameters after power failure. After the power grid returns to normal, it will automatically enter the operation state without personnel on duty:

◆ split phase compensation or mixed compensation can be adopted according to the load balance of the power grid;

◆ it has strong anti-interference ability and can resist 2000V interference pulse directly input from the power grid, which is higher than the national standard.

Main technical parameters

◆ rated voltage: 0.38-0.66kv;

◆ rated frequency: 50Hz;

◆ rated capacity: 1-600kvar;

◆ applicable voltage range: (0.85-1.1) times the rated voltage;

◆ large allowable current: 1.3 times of rated current;

◆ control circuit: 1-16 circuits;

◆ switching time: 1-15os / time, adjustable;

◆ working mode: automatic and continuous operation. Distribution network detection function

◆ real time measurement and whole point recording of three-phase voltage, current, frequency, active power, reactive power, power factor, active kWh and reactive kwh at the low-voltage side of the transformer: total distortion rate of voltage and current and 2-25th harmonic content;

◆ it has RS-232 and RS-485 interfaces, which can be used for handheld computer data reading, wireless meter reading, device testing, parameter setting and reading of real-time measurement data and recorded data through remote communication function;

◆ data analysis function: it can analyze, process, count and query the operation load data; Comprehensively analyze the power supply quality and calculate the voltage qualification rate, power supply load rate, reliability rate and large load rate; Query the power factor, active power and reactive power in different periods; Draw curves of voltage, current and power factor of each phase: print comprehensive analysis and statistical reports.

Overall dimension and installation