High-voltage switchboard knowledge
High-voltage switchboard is the functions of on-off, control or protection in power system generation, transmission, distribution, electrical energy conversion and consumption.According to the electrical apparatus with the voltage grade of 3.6kV ~ 550kV,the high-voltage switchboard is divided
Transformer knowledge
Transformer is the device that uses the principle of electromagnetic induction to change the AC voltage,and its main structural components are the primary coil, the secondary coil and core (magnetic core). The main functions are: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), etc.