With the increasing demand for electricity, power supply reliability requirements of the power system is becoming higher and higher, many power supply systems have two or more power supply lines. Automatic switching device for backup power supply can effe

In recent decades, China's modern economy has continued to develop, and computer technology, information technology and other related industries have also made rapid progress.As commercial, residential and public buildings continue to increase their requi

As a part of the urban public transportation system, ailway transportation has been extensively developed and expanded in the past few decades. It plays an important role in solving urban traffic congestion, reducing environmental pollution, and improving

The company in Indonesia who make the traffic light system and need to use DC hall sensor to transmitter the DC current to 4-20mA analog signal output. After they choose the hole size, input ratio, output ratio and working power supply, the customer chose

Abstract: As one of the clean energy sources, the installed capacity of wind farms has grown rapidly in recent years. Wind farms are divided into onshore wind farms and offshore wind farms. Generally, they are located in remote locations, with scattered

This article analysis the operation principle of hall current sensor, and application in battery management system.

The high-voltage electrical equipment in our country's power system has a variety of connection points, such as isolated switch joints, busbar nodes, etc. Due to the quality problems in the manufacturing or safety process, many devices will have poor cont

This article expounds the main functions of the traditional IC card prepaid energy meter, analyzes its application advantages and disadvantages; introduces in detail the function expansion of prepaid energy meter after integrating communication technology

With the widespread application of electronic medical equipment in hospitals, the threat of leakage current to patients is becoming greater and greater, especially in places where life is critical. The patients are directly exposed to various electrodes a