电力系统的常用名词术语解释!(国外英文资料).docVIP

电力系统的常用名词术语解释!(国外英文资料) Common terminology interpretation of power systems The following are a brief description of various terms used in power systems and practical engineering applications. Primary circuit / main loop and primary equipment / main equipment: Refers to the power transmission and distribution of the loop, its main task is to transport and distribution of power. A connected device called a device or equipment, such as transformer, circuit breaker, fuse, grounding switch, transmission cable wiring; usually terminal electrical equipment, such as: motor (motor), the range of illumination to the primary equipment. The primary circuit can also be understood as a transmission transformer, a main cable (a transformer, a circuit breaker, etc.), an electric equipment (a motor, an illuminating lamp, etc.). Two circuit / control loop with two equipment / control equipment: Refers to a device for control, indication and measurement (measurement), monitoring and protection circuit, the main task is to monitor the running state of a circuit, operating parameters, to ensure the normal operation of the circuit. A connected device called the two device or control equipment, also called control appliances, including: PT (voltage transformer), CT (current transformer), contactor, relay, integrated protection device, circuit breaker auxiliary contacts, various operating buttons, measuring instruments, the two loop control cable etc.. Switch cabinet： Refers to the complete distribution device will be a program of line equipment, two equipment assembled, is used on the line, the implementation of control and protection equipment, fixed points and handcart type, and according to the voltage level can be divided out of the line of high voltage switch cabinet (fixed and handcart) and low voltage switchgear (fixed type and drawer). The structure of switch cabinet is similar, mainly divided into bus room, breaker room, two control room (instrument room) and feeder room, and ther