Quick Answer: Why leakage flux in a transformer is dependent on load current?

How leakage flux in transformer depends upon the load current?

This flux is called leakage flux which will pass through the winding insulation and transformer insulating oil instead of passing through the core. … This phenomenon in the transformer is known as magnetic leakage. This depends on load current, independent of voltage, frequency, and power factor.

What is meant by leakage flux in a transformer?

Leakage flux is defined as the magnetic flux which does not follow the particularly intended path in a magnetic circuit. … When a current is passed through a solenoid, magnetic flux is produced by it.

What is the function of the leakage flux *?

What is the function of the leakage flux? Explanation: The leakage flux produced due to the low reluctance path does not transfer the energy produced. The leakage flux also does not convert the energy in the system.

What happens if supply frequency increases?

So if frequency increases, the secondary voltage or emf increases. And secondary voltage decreases by the reduction of supply frequency.

How can we reduce flux leakage?

Statement ( A ) : Flux leakage in a transformer can be minimized by winding the primary and secondary coils one over the other.

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Does the flux in a transformer core increase with load?

If you connect a load to the transformer, the primary current will increase in a way to keep the core flux close to what it was without load. An ‘ideal’ transformer has its primary inductance rising up to infinity, so the unloaded (magnetizing) primary current drops down to zero.

What is the main effect of leakage flux on the performance of a transformer?

As leakage flux increases, efficiency of the transformer decreases as a portion of the leakage flux may induce eddy currents within nearby conductive object such as the transformers support structure, and be converted to heat. When represented as inductance, it only represents reactive power loss.