SWITCHING DEVICE FOR ELECTRIC POWER SYSTEM

摘要

A switching device for an electric power system, including: a conducting part to close or open a circuit and operating mechanisms to control the close or open operation of the conducting part, said operating mechanisms including a link lever and at least one opening spring, characterized in that: the link lever engages with one end of the at least one opening spring, such that the at least one opening spring is compressed when the switching device is closed, and that the elastic force of the compressed at least one opening spring is used to open the conducting part when the switching device is to be opened.