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Definition of "Exciting Current" |
The current that flows in the primary winding of a transformer when the secondary is open-circuited; it produces a magnetic flux field. Also called magnetizing current. / The magnetizing current of a device such as a transformer. Also known a field current. / Exciting current when used in connection with transformer is the current or amperes required getting the transformer to the point where it will operate. A certain amount of energy is required to overcome the internal resistance of the steel core. / An electronic document is any electronic media content other than computer programs or system files that are intended to be used in either an electronic form or as printed output. / the current drawn by a transformer primary with its secondary open circuited. It is the vector sum of the core loss current Ic and the magnetizing branch current Im. The exciting current Ie is also the current measured in the open circuit test on a transformer. The exciting current is calculated as the ratio of the primary induced EMF and the impedance of the tank circuit. On load, it is equal to the difference between the primary and reflected secondary currents of the transformer. |
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