JKW18G High voltage reactive power compensation controller

Main purpose and scope of application

JKW18G reactive power compensation controller is a new generation of power distribution measurement and control equipment integrating data acquisition, power parameter analysis, reactive power compensation, and computer data communication functions. It is suitable for the parameter monitoring and reactive power compensation control of the high-voltage power grid system, which can provide a complete and accurate data basis for the safe and economic operation of the power grid, the reasonable distribution of loads, and the improvement of power quality.
This product complies with: industry standard JB/T9663-2013 (our company is the main drafting unit of this standard).

Working conditions

1. Power supply voltage: the rated value is AC 220V, and the fluctuation cannot exceed ±20%;
2. Ambient temperature: -25°C~55°C;
3. Relative humidity: the maximum relative humidity is 90% (at 20°C);
4. Altitude Height: no more than 2000m;
5. Environmental conditions: no explosive and flammable dangerous media, no gases that corrode metals and conductive dust that damage electrical insulation;
6. Installation location: no severe vibration;

Main specifications and models

Main technical parameters

Features

1. Mainly used for automatic control of capacitive reactive power compensation devices of high-voltage power distribution systems to keep the power factor of the power grid in the best state.
2. JKW18G reactive power compensation controller adopts full Chinese large-screen LCD display (including backlight, operation any key backlight is bright, and no key is operated within 1 minute, the backlight automatically goes out), friendly man-machine interface, Chinese prompt operation is intuitive and simple . Real-time calculation and display of power factor, active power, reactive power, voltage, current, voltage distortion rate, current distortion rate, 3-13 voltage and current harmonic content rate, real-time clock, active power, reactive power, etc.
3. The JKW18G controller can mass store 24 o'clock hourly data and daily statistical data for at least 200 days, which can be expanded to 800 days according to user requirements. The data includes the voltage, current, power factor, active power, reactive power, voltage distortion rate, current distortion rate, active power, and reactive power at the hour of the day; daily statistics of the maximum voltage and time of occurrence, day Voltage minimum value and time of appearance, daily current maximum value and time of appearance, daily current minimum value and time of appearance, daily power factor minimum value and time of appearance, daily active power maximum value and time of appearance, daily active power minimum value and time of appearance, Maximum daily reactive power and time of occurrence, minimum daily reactive power and time of occurrence, maximum daily voltage distortion rate and time of occurrence, minimum daily voltage distortion rate and time of occurrence, maximum daily current distortion rate and time of occurrence, Daily current distortion rate minimum value and time of occurrence, daily high voltage time, daily low voltage time, daily voltage qualification rate, daily voltage distortion rate exceeding time, daily current distortion rate exceeding time, daily power factor less than 0.95 time, load Unbalance rate exceeding time, total running time of 1-6 capacitors, switching times of 1-6 capacitors, time of power outage, time of incoming power, number of outages, number of incoming calls, maximum current value of 15 minutes per day and time of occurrence.
4. All digital preset various control parameter functions, the parameters that can be set include password (password), ID number (for communication), PT transformation ratio, CT transformation ratio, overvoltage threshold, undervoltage threshold, target power factor threshold, Switching delay, distortion rate threshold, clock, capacitor capacity, etc.
5. Communication function: with RS232 and RS485 hardware protocol communication ports, using 101 or MODEBUS-RTU communication protocol, on-site communication or remote communication can be used, real-time, regular call of various power parameters, modification of control parameters, remote switching of capacitors , Can use short-distance (30-50 meters) wireless communication function and handheld computer data on-site meter reading.
6. With the function of manually switching capacitors, the capacitors can be manually switched on and off when there is no voltage or current signal.
7. Comprehensive protection function, JKW18G controller has protection functions such as overvoltage, phase loss, undervoltage, harmonic overvalue, etc., and the alarm relay can be allowed or disabled through control parameters.

Wiring schematic diagram

Outline and installation dimensions (embedded and rail type)