| Brand | Rw Energy |
| Model NO. | RWB-200 Series digital microcomputer protection device |
| Rated voltage | 230V ±20% |
| Rated frequency | 50Hz |
| Electric energy consumption | ≤5W |
| Rated current in | 5A or 1A |
| Series | RWB |
Description ：
RWB-200 Series digital microcomputer protection device is suitable for low current/small resistance grounding system of 35kV and below, which integrates functions of protection、control、communication and monitor. The device uses component programmable design ideas to reduce maintenance workload and spare parts. It can flexibly meet the needs of a variety of applications, and is the ideal replacement production for traditional electromagnetic relay protection.
Main function introduction:
Main protection relay functions: three stages phase-current protection, zero-sequence current protection, Negative sequence current protection, inverse-time protection, overload component, reclosing, frequency protection, undervoltage/overvoltage protection, zero sequence phase overvoltage protection, Motor start fast break protection, Negative sequence overcurrent, overheat protection.
Control functions: Lockout, circuit-breaker control.
Communication functions: Using the RS485 interface of the device passing Modbus RTU Communication protocol link to SCADA system; realizable Events\Faults and Measurands viewing, executing remote command, Time synchronizing, Viewing and Changing Settings
Data Storage functions: Event Records, Fault Records, Measurands.
Remote signaling remote measuring, remote controlling function can be customized address.
Technology parameters:
Device structure:
Device terminal definition diagram:
Installation Diagram：
About customization:
The following optional functions are available: Power supply at AC110V/60Hz, DC48V, DC24V.For detailed customization, please contact the salesman.
What is the function of Microcomputer protection device?
The microcomputer protection device is mainly used to protect the electrical equipment in the switchgear. It can monitor electrical parameters such as current and voltage in real time. When there is overcurrent, overvoltage, undervoltage and other fault conditions, the rapid response, such as tripping to cut off the circuit, to prevent equipment damage, to ensure the safe and stable operation of the power system.
What are its advantages over traditional protection devices?
The precision of The microcomputer protection device is higher, and the electric quantity can be measured accurately. It has the function of self-diagnosis, can find its own fault in time for maintenance. Moreover, the protection parameters can be set flexibly to adapt to different power system requirements. It can also realize remote communication and facilitate remote monitoring and operation, which is difficult to do with traditional protection devices.
-
Integrated Smart Power Monitoring and Energy Efficiency Management SolutionOverviewThis solution aims to provide a smart power monitoring system (Power Management System, PMS) centered on end-to-end optimization of power resources. By establishing a closed-loop management framework of "monitoring-analysis-decision-execution," it helps enterprises transition from simply "using electricity" to intelligently "managing electricity," ultimately achieving safe, efficient, low-carbon, and economical energy usage goals. Core PositioningThe core positioning of this system is tRW Energy28/09-2025 -
A Novel Modular Monitoring Solution for Photovoltaic and Energy Storage Power Generation Systems1.Introduction and Research Background1.1 Current State of the Solar IndustryAs one of the most abundant renewable energy sources, the development and utilization of solar energy has become central to the global energy transition. In recent years, driven by policies worldwide, the photovoltaic (PV) industry has experienced explosive growth. Statistics indicate that China's PV industry saw a staggering 168-fold increase during the "12th Five-Year Plan" period. By the end of 2015, the installedRW Energy28/09-2025 -
Comprehensive Power Quality Diagnostic Expert System Solution1.Core PositioningThis solution is designed to provide a comprehensive, multi-dimensional power quality diagnostic expert system. It moves beyond traditional data acquisition and monitoring, deeply integrating advanced analysis and diagnostic functions, positioning itself as an enterprise's "Comprehensive Physician for Power Quality." It can accurately capture, deeply analyze, and intelligently diagnose various types of power quality issues within the electrical grid. It offers users a full-chaRW Energy28/09-2025 -
Ubiquitous Energy Management System Solution for Smart Cities and Integrated Parks1.Overview and Core PositioningThe core positioning of this system is: a comprehensive platform for the collaborative management and optimization of multiple energy flows, including water, electricity, gas, and heat. It goes beyond traditional power monitoring by breaking down energy data silos. Through integration, analysis, optimization, and prediction, it serves as an "energy brain" that provides panoramic visibility, intelligent decision-making, and deep value for various energy consumers sRW Energy28/09-2025 -
Intelligent Power Monitoring: Smart Power Monitoring System Solution1.System OverviewCore Positioning: AI-Driven Adaptive Power Security GuardianThe Intelligent Power Monitoring system is a new-generation power monitoring solution designed for the future. It breaks through the limitations of "passive alarm" inherent in traditional monitoring systems. By integrating edge computing, cloud computing, and artificial intelligence technologies, it constructs an integrated active defense system encompassing "perception - analysis - decision - early warning." The coRW Energy28/09-2025 -
High-Precision Electrical Parameter Monitoring System Solution1.IntroductionWith the increasingly stringent requirements for power supply quality in high-end facilities such as precision manufacturing, medical diagnosis, and data centers, traditional power monitoring systems, due to their low sampling accuracy and weak data analysis capabilities, can no longer meet the demand for deep insight and precise management of power quality. In response, we are introducing a new generation High-Precision Electrical Parameter Monitoring System. With millisecond-lRW Energy28/09-2025
