The configuration of busbar configuration and line protection is an important part of ensuring safe operation in the power system. As a key node in the power system, the busbar connects multiple l...
Substation integrated automation is an important technology in modern power systems, which aims to monitor, control and manage substation equipment through automation. Its goal is to improve the safet...
Transformers are important equipment in power systems and often require a variety of relay protection devices to ensure their safe operation. According to the capacity, importance, operating envir...
The automatic backup power switching device is a key power system device designed to ensure that when the main power fails or the power is cut off, it can automatically switch to the backup power supp...
Low-frequency load shedding device is an important safety protection device in the power system. It is mainly used to automatically cut off part of the load when the power system frequency drops to a ...
I. Composition of relay protectionThe relay protection system is mainly composed of the following parts:1. Measuring element-Measures the electrical parameters of the power system, such as current, vo...
The automatic reclosing device is an important device for restoring power supply in the power system. It is mainly used to automatically cut off the faulty line and try to reclose after a short circui...
Current relay, voltage relay, differential relay and distance relay are commonly used devices in relay protection systems, and each relay has different working principles and application scenarios...