Synchronous Machine Modelling by Standstill Frequency Response Tests
- 1 June 1987
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Energy Conversion
- Vol. EC-2 (2) , 239-245
- https://doi.org/10.1109/tec.1987.4765837
Abstract
The synchronous machine is modelled in terms of operational impedances derived from standstill frequency response measurements. A curve-fitting procedure in the complex plane yields all the parameters including the armature resistance without having to pre-process the data or make other measurements. The validity of the model is demonstrated for a micro-alternator by comparing the sudden short-circuit current predicted by the model with that obtained experimentally. Frequency response data obtained at different current levels are used to show that a useful model can be derived from tests at low per-unit current.Keywords
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