Isolating switch is a switching device used to isolate circuits, mainly used for circuit inspection, maintenance and emergency cut-off. As a professional manufacturer of electrical equipment, Tianli Electric Technology Co., Ltd. not only has many years of manufacturing experience, but also has in-depth understanding and research on isolating switch technology. In this article, we will elaborate on the principle, classification, characteristics and application of disconnectors in detail. Principle and classification of isolating switch: The isolating switch is a single-pole isolating switch whose main principle is to disconnect the circuit by mechanical means. Generally speaking, the isolating switch can be divided into three types: manual isolating switch, electric isolating switch and gas isolating switch. Manual isolating switch: The manual isolating switch mainly controls the power-off and power-on through manual operation. This kind of switch does not need external power supply, its mechanical structure is simple, construction and installation are convenient, and it is especially suitable for small-scale mains branch lines. Electric isolating switch: An electric isolating switch is an electrical device that uses a motor or other electric device to control the movement of the switch mechanism to achieve switch closure. This kind of switch has the characteristics of remote control, especially suitable for large-scale power transmission and distribution circuits that need to isolate voltages up to 1kV or more. Gas isolating switch: The gas isolating switch uses gas fluid as the medium to realize the power-off and power-on of the switch, which can avoid the discharge caused by poor contact. This kind of switch is especially suitable for use in places with explosion hazards because it will not generate sparks and interference signals during operation. Features and applications of isolating switches: As a kind of electrical equipment, the disconnector has the following main characteristics: (1) High reliability: The isolating switch can realize the switching action by manual, electric or pneumatic and other methods. Its mechanical structure is stable, and the operation is simple and reliable, which can ensure the safe operation of the circuit. (2) Good safety: The switch mechanism of the disconnector has a high isolation capability, which can ensure the cut-off under high-voltage power supply. At the same time, due to its mechanical operation characteristics, it will not generate sparks, arcs or other adverse electromagnetic effects, thus ensuring the safety of electrical equipment. (3) Wide range of applications: The disconnector has flexibility and adaptability, and is suitable for various types of electrical equipment, such as substations, power plants, power distribution rooms, cable tunnels and high-rise buildings. Generally speaking, disconnectors have an important position and function in electrical equipment. Tianli Electric Technology Co., Ltd. will continue to devote itself to the production and sales of isolating switches, providing customers with high-quality, high-reputation electrical equipment.
Post time: May-03-2023