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RWK-25 Capacitor bank controller electrical drawing

Applied for medium voltage capacitor bank reactive power compensation systems in industrial power plants, substation and distribution room. Widely used for power factor correction, voltage stabilization and power loss reduction of distribution networks. T

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Updated2026.09

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CAP-Switch Controllerelectrical drawing

Document description

This is an electrical drawing for the RWK-25 Capacitor bank controller.

ROCKWILL RWK-25 Capacitor bank controller is an intelligent control unit designed for medium voltage capacitor bank compensation systems. The electrical drawing defines the complete internal wiring, voltage/current signal input circuit, switching output loop, auxiliary power supply circuit, interlock terminal and communication interface layout of the controller. It adopts power factor and voltage composite control strategy, integrates real-time electrical measurement, capacitor bank switching control, overvoltage/undervoltage and overcurrent protection, event recording, local HMI setting and remote data transmission functions. The product complies with IEC 60255-1:2018, IEC 60255-26:2020 standards. Relevant documents include Type Test Certificate No. TT-2025-04196, Witness Test Report No. WT-2025-09129, Routine Factory Test Report No. FT-2025 series, Raw Material Mill Certificates, all issued by CNAS accredited independent test laboratory and available for tender submission, utility review and project site acceptance. With compact panel-mounted structure and IP54 front panel protection, it can work stably in indoor switchgear cabinets for reactive power compensation projects.

Frequently asked questions

What is the core control function of the RWK-25 Capacitor bank controller?

The RWK-25 Capacitor bank controller adopts power factor and voltage composite control strategy, automatically switching capacitor bank groups to realize reactive power compensation, stabilize grid voltage and improve system power factor.

What international standards and certification does the RWK-25 Capacitor bank controller comply with?

The RWK-25 Capacitor bank controller is designed and tested in accordance with IEC 60255-1:2018 and IEC 60255-26:2020 standards. It is supported by complete Type Test Certificate No. TT-2025-04196, Witness Test Report No. WT-2025-09129, factory test reports and material certificates for project review and acceptance.

What protection functions are integrated in the RWK-25 Capacitor bank controller?

The RWK-25 Capacitor bank controller integrates overvoltage, undervoltage and overcurrent protection functions. It can lock capacitor switching operation and trigger alarm signals when abnormal grid parameters occur to protect the capacitor bank equipment.

What communication interfaces and protocols does the RWK-25 Capacitor bank controller support?

The RWK-25 Capacitor bank controller is equipped with RS485 and Ethernet ports, supporting Modbus, DNP3 and IEC 60870-5-104 protocols. It can upload real-time measurement data, alarm events and equipment operating status to the SCADA system for remote monitoring.

What wiring requirements are specified in the electrical drawing for the RWK-25 Capacitor bank controller?

Strictly follow the terminal definition marked on the electrical drawing for the RWK-25 Capacitor bank controller, separate strong-current control wiring from weak-current signal wiring, ensure reliable protective earthing, and check wiring continuity and insulation resistance before power-on commissioning to avoid device damage.

RW Energy

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100-500 2013 China

Zhejiang Rockwell Energy Technology Co., Ltd. is an international enterprise specializing in the research, development and manufacturing of recloser controllers, power quality management, power monitoring systems and other high-end power equipment. In today's critical period of global energy transition and power system upgrading, the company has gathered a group of top talents in the fields of power engineering, automation control, software development, etc., who carry the enthusiasm and persistence for the power business, and are committed to overcoming the complex problems in the power system, and promoting the intelligent development of the power industry with innovative technology. Mission: To make global electricity smarter, more reliable and more efficient with innovative technology. Vision: To be the leader in global power intelligence.

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RWK-25 Capacitor bank controller electrical drawing

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