File:Transformer equivalent circuit.svg

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Description

Equivalent circuit for a single phase transformer with N_P turns in the primary winding and N_S in the secondary, showing:

Primary winding resistance R_P
Primary leakage reactance X_P
Secondary winding resistance R_S, referred to the primary circuit by the turns ratio squared
Secondary leakage reactance X_S, referred to the primary circuit by the turns ratio squared
Equivalent core loss resistance R_C and core loss current I_C
Magnetising reactance X_M and magnetising current I_M
No-load current I₀
Primary and secondary EMF E_P and E_S, developed over an ideal transformer
Primary and secondary terminal voltages and currents V_P, I_P, V_S and I_S

Date

9 May 2007

Source

Own work

Author

BillC

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	This licensing tag was added to this file as part of the GFDL licensing update.CC BY-SA 3.0truetrue

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File history

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	Date/Time	Dimensions	User	Comment
current	03:42, 21 January 2025	512 × 188 (6 KB)	Gutten på Hemsen	Heavily reduced file size, added white background
	20:00, 11 May 2007	750 × 275 (49 KB)	BillC	Fix labelling error
	20:13, 9 May 2007	750 × 275 (49 KB)	BillC	Equivalent circuit for a single phase transformer with ''N<sub>P</sub>'' turns in the primary winding and ''N<sub>S</sub> in the secondary, showing: * Primary winding resistance ''R<sub>P</sub>'' * Primary leakage reactance ''X<sub>P</sub>'' * Secondary

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inception

9 May 2007

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