Product Introduction

GGJ low-voltage reactive power intelligent compensation device adopts computer-aided design (CAD), introduces microcomputer control, implements intelligent tracking and compensation of reactive power, its structure is reasonable, the technology is perfect, and it is widely used in low-voltage power grid, improve power factor, reduce reactive power loss, improve power supply quality, and is a power-saving product. Dedicated to reactive power compensation for 130-600kVA three-phase transformers.

Model Meaning

Working Conditions

◇ Altitude: ≤ 2000m;

◇ Ambient temperature: -20°C~ +45°C;

◇ Relative humidity: 90% at 20°C≤

◇ Installation environment: no harmful gases and vapors, no conductive or explosive dust particles and serious mold.

Structural Features

◇ Intelligent controller control, complete functions, reliable performance, automatic compensation mode: the power factor can be increased to more than 0.9;

◇ Real-time display of power factor of power grid, display range: lag (0.00-0.99), ahead (0.00-0.99);

◇ It has a variety of comprehensive protection functions such as overvoltage, overharmonic, overcompensation, system fault, phase loss, overload, etc.;

◇ Memorize the set parameters, the system will not lose the parameters after the power failure, and after the power grid returns to normal, it will automatically enter the operation state without personnel on duty;

◇ According to the load balance of the power grid, split-phase compensation or mixed compensation can be adopted;

◇ Strong anti-interference ability, can resist the amplitude of 2000V interference pulse directly input from the power grid, which is higher than the national professional 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;

◇ Allowable current: 1.3 times the rated current;

◇ Control circuit: 1-16 circuits;

◇ Switching time: 1-150s/time, adjustable;

◇ Working mode: automatic, continuous operation.

It can be used for distribution network detection

◇ Real-time measurement and hourly recording of three-phase voltage, current, frequency, active power, reactive power, power factor, active electricity and reactive power on the low-voltage side of the transformer; total distortion rate of voltage and current and 2-25th harmonic content;

◇ With RS-232 and RS-485 interfaces, it can be used for handheld computer data transcription, and can also realize wireless meter reading, device testing, parameter setting and real-time measurement data and record data reading through remote communication function;

◇ Data analysis function: it can analyze, process and statistically query the operating load data, comprehensively analyze the power supply quality, calculate the voltage qualification rate, power supply load rate, reliability rate and load rate, query the power factor, active power and reactive power in different time periods, draw the curve chart of voltage, current and power factor of each phase, print comprehensive analysis and statistical report.

Ordering instructions

◇ Main circuit diagram;

◇ Compensation capacity and compensation method;

◇ If it is inconsistent with the normal use conditions of the product, it must be explained in advance.