Load point calculation for low voltage synchronous generator using finite element method
Power Electronics, Machines and Drives(2014)
摘要
The aim of this paper is to propose a procedure to compute synchronous generator characteristics at steady-state operation. It uses a minimum set of finite-element static calculations to determine the generator electromagnetic performances without loss of accuracy. The load point calculation, consisting on the output voltage and the power factor, is obtained by means of a root-finding algorithm. An application of the procedure is shown for a low voltage generator of 60 kVA. A parametric design case of the rotor is also described, changing the pole shoe span and the ratio between the maximum and the minimum airgap length under the pole shoe.
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关键词
finite element analysis,power factor,synchronous generators,apparent power 60 kva,electromagnetic performance,finite-element static calculation,load point calculation,low voltage synchronous generator,maximum airgap length,minimum airgap length,pole shoe,root-finding algorithm,rotor,iterative methods,steady-state operation,root finding algorithm
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