MindMap Gallery Mind map of main electrical equipment
This is a mind map about main electrical equipment. The main content includes: secondary equipment, primary equipment, equipment for producing and converting electrical energy, Switching appliances that connect or disconnect circuits, etc.
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Main electrical equipment
one-time equipment
Equipment for producing and converting electrical energy
Generator: Conversion of mechanical energy into electrical energy
Electric motor: Convert electrical energy into mechanical energy
Transformer: Steps up or down voltage to meet transmission and distribution requirements
Switching appliances that make or break a circuit
Circuit breaker: connects or disconnects the normal current, overload current or short-circuit current of the circuit, equipped with an arc extinguishing device
Isolating switch: Maintenance equipment type isolation voltage, performs circuit switching operations, connects or disconnects small current circuits, without arc extinguishing device
Switches, fuses and contactors: close or break circuits
Protective appliances that limit fault current and protect against overvoltage
Reactor: Limits short-circuit current
Lightning arrester: protect against overvoltage
current carrying conductor
Bare conductors, cables: transmit electrical energy
Transformer
Voltage transformer: converts AC high voltage into low voltage
Current transformer: converts large AC current into small current
Reactive power compensation equipment
Parallel capacitors, series capacitors and shunt reactors: compensate for the reactive power of the power system, reduce active power losses, and maintain system stability
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Connected to the working ground, lightning protection ground, protective ground or protective zero of the neutral point of the power system
secondary equipment
measuring meter
Voltmeter, ammeter, frequency meter, power meter, energy meter: measure electrical parameters in circuits
Relay protection, automatic devices and remote control devices
Quickly respond to abnormal system conditions or faults, monitor and adjust, or act on circuit breaker tripping to eliminate faults.
DC power equipment
DC generator set, battery, rectifier device: DC power supply for control and protection, factory DC load, emergency lighting
Operate electrical appliances, signaling equipment and control cables
Various types of operating handles, buttons and other electrical appliances: to achieve control of the circuit
Signaling equipment: giving signals or displaying operating status signs
Control cable: connect secondary equipment