2023/02/06
Solution of no-load loss of power transformer
The loss of power transformer mainly includes no-load loss and load loss two parts. The no-load loss of transformer mainly includes the hysteresis loss of core material, eddy current loss and additional loss, and because the no-load loss of transformer belongs to the excitation loss, it has nothing to do with the load.
2023/02/06
Classification and function of transformer core
Ferrite core is used in high-frequency transformers. It is a ceramic magnet with a crystalline structure of spinel, which is iron oxide and other bivalent metallic compounds. Such as kFe2O4(k represents other metals), currently commonly used metals are manganese (Mn), zinc (Zn), nickel (Ni), magnesium (Ng), copper (Cu). Its common combinations such as manganese zinc (Mn Zn) series, nickel zinc (Ni Zn) series and magnesium zinc (Mg Zn) series. This material has high permeability and impedance physical properties, its use frequency range from 1kHz to more than 200kHz.
2023/02/06
Transformer knowledge summary, take you to understand some transformer knowledge
In AC circuit, the voltage will be increased or decreased equipment called transformer, transformer can be any value of voltage into the frequency of the same voltage value we need to meet the transmission of electric energy, distribution and use requirements.
2023/02/06
Analysis of core fault and tap switch fault of power transformer
In normal operation of a power transformer, the core must be somewhat reliably grounded. If there is no grounding, the suspension voltage of the core to the ground will cause intermittent breakdown and discharge of the core to the ground.
2023/02/06
Operation and maintenance of respirators for transformer fittings?
Breathing process during transformer operation: with the oil temperature rising, the volume of oil expands, the excess oil in the tank enters the oil chamber of the oil storage tank (referred to as "oil chamber"), the volume of the oil chamber becomes larger, and the gas in the oil tank air chamber (referred to as "air chamber") is squeezed out and discharged into the atmosphere through the breathing apparatus;
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