Sections: Leakage Reactance | Exciting Current | Magnetic Leakage

Leakage Reactance

Leakage Reactance.
The greater the number of high-low sections, the smaller will be the reactive voltage drop, because there are fewer ampere-turns setting up flux in these paths.

Note: Volts per coil must be less than or equal to 5,000 volts.

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Sections: Leakage Reactance | Exciting Current | Magnetic Leakage

Exciting Current

Exciting Current.
This current is the vector sum of I_O and I_N where:

I_O = 1/ x Maximum value of current component

I_O = 1/ x Ampere-turns to produce B_max

I_N = Total Iron Loss, W / Primary Impressed Voltage, E_p

Refer to Fig. 161 for the Flux Density and Fig. 162 for the Ampere-turns in the joints.

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Sections: Leakage Reactance | Exciting Current | Magnetic Leakage

Magnetic Leakage

Magnetic Leakage.
This leakage is the vectorial sifference between the applied voltage and the induced votlage. Or it is equal to the ohmic drop of pressure in the primary winding.

Therefore, back emf is equal to applied emf.

IX%

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