Calculation and analysis of stator temperature for high voltage generator prototype with rated load

Ge, Baojun; Chang, Weibin; Tao, Dajun

doi:10.1109/supergen.2009.5347985

Cited by 1 publication

(1 citation statement)

References 2 publications

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“…There are many papers studying on super high voltage cable generator at home and abroad, for example, reference [6] investigated the impact of super high voltage generator on voltage stability by dynamic simulation; reference [7] studied on the short-circuit tests of super high voltage cable-wound generator; reference [8] established the mathematical model of internal single phase to ground short-circuit fault in super high voltage generator, and the internal single phase to ground fault of super high voltage cable-wound generator prototype was studied by simulation. Reference [9] calculated the stator leakage reactance of super high voltage generator prototype, and the expression of slot leakage reactance was presented. But the paper studying on critical fault clearing time of super high voltage generator system has not been retrieved yet, and some papers studying on critical fault clearing time are all based on the conventional generator system, for example references [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Study of the Critical Fault Clearing Time for the Super High Voltage Cable-Wound Generator System

Tao

Dong

et al. 2012

AMR

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The super high voltage generator, the stator winding of which is made of high voltage power cable, can be connected to the power grid directly. In this paper, the first super high voltage generator prototype at home is taken as an example, the equivalent circuits of the super high voltage generator system is proposed from the static power characteristic when the system transmission line is broke down because of the single phase to ground fault, phase to phase fault and two phases to ground fault. And the power expressions are also presented, and then the power angle and speed of the super high voltage cable wound generator are simulated with the improved Euler algorithm, and the critical fault clearing times of three faults are obtained. At the same time, the critical fault clearing time of a typical conventional synchronous generator system is also calculated and compared with the super high voltage cable wound generator system, and it is found that the dynamic stability margin of the super high voltage cable wound generator system is higher than that of conventional generator system.

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