Intelligent reactive power factor controller

Intelligent reactive Power Factor Controller SWZK-1

1. Product Profile:
SWZK-I is a special controller for high voltage reactive power automatic compensation devices. It is suitable for column type high voltage reactive power compensation devices and substation reactive power compensation devices. It provides the necessary control functions for automatic switching and protection of reactive power compensation capacitors.
2. Main functions:
☆ To provide two groups of capacitor switching, protection control;
☆ Adaptive grid phase sequence and CT phase (AB phase voltage, C phase current);
☆ Real-time monitoring of the voltage and current of the transmission line, calculation of the reactive power and power factors of the line;
☆ Provide a variety of capacitor switching strategies. Capacitors can be switched according to time period, voltage, reactive power, power factors and their combination strategies.
☆ Monitor the current of capacitor bank to provide capacitor overcurrent delay protection and overcurrent break protection;
☆ To provide transmission line overvoltage, undervoltage, phase loss protection;
☆ Provide actuating switch (vacuum contactor) rejection protection;
☆ Online monitoring power grid voltage harmonic THDv, and provide harmonic protection;
☆ Provide manual input, support external button, and has the basic protection provided by the controller;
☆ Highlighting LED digital tube, Chinese liquid crystal dual display, display content intuitive;
☆ Statistical operation records, hourly records and detailed SOE records;
☆ Provides RS232/RS485 communication interface, can be wired communication, can also be connected to wireless module, wireless communication.
☆ To provide upper PC software, to communicate with the controller, you can download data, upload Settings, and remote control operation;
3. Model definition

4. Product size
Figure 1 shows the appearance of SWZK-I. Volume: 155 length ×110 width ×110 height, unit: mm. Standard 35mm guide rail installation. It can also be installed with screws, opening spacing 144×100mm, M4 screws.

SWZK-I Appearance Size

5. Wiring terminals

SWZ-I Wiring terminal arrangement

Intelligent reactive Power Factor Controller SWZK-2

1. Product introduction
SWZK-II automatic control device of high voltage reactive power is a special control device for reactive power compensation equipment of high voltage parallel power capacitor. It is suitable for switching and protection control of capacitor banks with voltage levels of 6kV, 10kV and 35kV, so that the voltage quality and reactive power balance of the busbar can reach the best state.
The device continuously monitors the voltage and current signals of the bus, calculates the reactive power demand in real time, and switches the capacitor bank according to the set control strategy.
SWZK-II can control up to two busbars and 6 capacitor branches.
2. Main functions
1 Real-time measurement of bus voltage and current; Calculate the reactive power and power factors of the corresponding busbar;
2. Monitoring bus voltage harmonic distortion rate;
3. Automatically switch capacitor banks according to the set control strategy.
4 can adapt the operation mode of substation;
5 Control strategy and parameters can be set;
6 Provide overvoltage, undervoltage protection, actuator rejection and locking protection;
7. To provide the open triangular uneven voltage protection of the packet capacitor;
8. 4.3-inch high contrast touch LCD display, Chinese operation interface;
3. Appearance and installation size

overall dimensions

The size of the holes for panel installation

Dimensions of panel mounting holes