China Outdoor SF6 Gas Equipment Manufacturer, Supplier, Factory

At present, the efficiency demands of the country's ring main unit are really high. High-voltage switchgear individuals' interest in the ring main unit is also increasing, then what is the growth trend of the ring main unit?

the 35kV 3150A current compact medium voltage switchgear represents a state-of-the-art solution for medium voltage power distribution.

In this article, we will introduce the definition, working principle, advantages, and applications of gas-insulated switchgear（GIS） in detail.

Ring main units are storage cabinets commonly found in large residential complexes, malls, and power companies. Their primary function is to connect ring main lines and enhance their power supply reliability through functions such as ring main line merging or load shedding. In simple terms, when a line experiences a fault or requires maintenance, the remaining lines within the ring main unit can be utilized for transmission, ensuring stable and reliable operation of the distribution system. This article will discuss the advantages of ring main units in detail.

In the world of electrical engineering, the development of gas-insulated switchgear (GIS) has been a game-changer. GIS is a type of medium voltage switchgear that uses sulfur hexafluoride (SF6) gas as the primary insulation medium. This innovative technology has revolutionized the way electricity is distributed and managed, offering numerous benefits over traditional air-insulated switchgear.

High-voltage switchgear plays a critical role in electrical power systems, and the degradation of switchgear operation is one of the causes of system faults. This article explores the types, common faults, and analysis of high-voltage switchgear. It covers indoor and outdoor configurations, fixed and detachable types, and highlights the development of central switchgear in recent years. The main focus is on analyzing faults related to insulation, conduction, and mechanics, including sticking and misoperation, switch malfunctions, insulation failures, overload faults, and external factors. Understanding these common faults is crucial for ensuring the safe operation and maintenance of high-voltage switchgear..