Power supply relationship analysis of the key switch, power supply circuit analysis of the self-locking switch, power supply relationship analysis of the key switch, power supply circuit analysis of the self-locking switch
Liming button switch power supply relationship analysis Li Ming button switch If the secondary is connected to the load, the secondary coil will generate current I2, and thus the magnetic flux Ñ„2, Ñ„2 direction and Ñ„1 opposite, play a role of offset each other, so that The total magnetic flux in the core is reduced, so that the primary self-inductance voltage E1 is reduced, and as a result, I1 is increased, and it is seen that the primary current is closely related to the secondary load.
When the mains power is normal, all kinds of EPS power supplies provide power to the load directly through the bypass. The backup UPS and the online interactive UPS in the UPS power supply provide the adjusted and purified mains power through the bypass. The online UPS in the UPS power supply always provides the same load as the mains, the same phase, and the error is very high. Small inverter AC.
When the secondary load current increases, I1 increases, Ñ„1 also increases, and the Ñ„1 increase partially complements the portion of the magnetic flux that is offset by Ñ„2 to keep the total magnetic flux in the core constant. If the loss of the transformer is not taken into account, it can be considered that the power consumed by an ideal transformer secondary load is also the primary power drawn from the power supply.
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