Fixed time overcurrent protection principle wiring diagram

220kV arrester template Electrical equipment template drawing

Cable schematic diagram

The benefits of fluorescent lightingWhen the fluorescent lamp normally emits light, only a lower current is allowed at both ends of the lamp, so the voltage added to the lamp is slightly lower than the power supply voltage, but the fluorescent lamp needs a higher voltage breakdown when it starts to work, so the ballast is added to the circuit, which can not only produce a higher voltage when starting, but also stabilize the current when the fluorescent lamp works.

Photovoltaic arrayPhotovoltaic array is a DC power generation unit composed of a number of photovoltaic modules or photovoltaic panels assembled together in a certain way mechanically and electrically and with a fixed support structure.

Photovoltaic industry chain

Electrical circuit diagramA diagram representing circuit connections with circuit component symbols is called a circuit diagram. The circuit diagram is a kind of principle layout diagram that expresses the composition of each component and the relationship of the device, which is drawn by the symbol of the standardization of physics and electricity for the need of research and engineering planning.

The circuit diagram of the house

Electrical engineering learning reference chartElectrical engineering is divided into five parts: foundation, equipment, power system, application, automation and communication, which are specific for reference.

10KV switch switchboard equipment system diagram