The Car Generator with External Excitation of the Rotor

Paper #:
  • 982868

Published:
  • 1998-11-09
Citation:
Gladyshev, S., Sheshukov, V., Topolsky, D., and Makarov, P., "The Car Generator with External Excitation of the Rotor," SAE Technical Paper 982868, 1998, https://doi.org/10.4271/982868.
Pages:
6
Abstract:
The use of alternating current machines of a simple construction with the squirrel cage rotor or the soft iron salient pole rotor as a car generator allows to increase a reliability of a generator and the maximum rotor rotation frequency as well in comparison with synchronous machines.The main feature of a car generator operation is a wide range of a rotation frequency change (five or six times). The use of alternating current machines aforementioned with the capacitor excitation is impossible, because it requires a capacitance value change in a wide range.In the paper presented the rotor excitation by passing current impulses through the stator winding over necessary periods of time is considered.The possibility of such an excitation is confirmed by the experiment. The single-phase generator with external rotor excitation is analysed on the basis of a digital model. Static and dynamic properties of the generator voltage controller are considered for a wide change range of the rotation frequency and load.
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