The difference between electrical primary equipment and secondary equipment:
Primary equipment refers to the high voltage electrical equipment directly used in the production, transmission and distribution of electric energy. It includes generators, transformers, circuit breakers, disconnectors, automatic switches, contactors, knife switches, bus, transmission lines, power cables, reactors, motors, etc.
The electrical equipment connected by the primary equipment to form the power generation, transmission, distribution or other production process is called the primary equipment.
Secondary equipment refers to the low-voltage electrical equipment required for monitoring, controlling, regulating and protecting the work of primary equipment and providing operating conditions or production command signals for operation and maintenance personnel. Such as fuse, control switch, relay, control cable, etc.
By the secondary equipment connected to each other, constitute the primary equipment for monitoring, control, regulation and protection of electrical equipment called secondary equipment.
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Post time: Oct-26-2022