Power transformer is a static electrical equipment, is used to a certain value of the AC voltage (current) becomes the same frequency as the other one or more different voltage values (current) device.
2013年9月5日星期四
Induced current caused by the magnetic field induced currents are always impede change in magnetic flux
Lenz's law is expressed as: a magnetic field induced current caused by the induced current is always impede change in magnetic flux. That in order to obtain the induced current (electricity)
circuit breakers induced current in amperes force acting, need to do work outside, other forms of energy into electrical energy. Faraday's law of
electric meter induction acting ability to reflect the outside, the greater the rate of change of magnetic flux, the greater the induced electromotive force, the greater the ability to do work outside.
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