Eliminating output distortion in four-switch inverters with three-phase loadsEliminating output distortion in four-switch inverters with three-phase loads
【title】：Eliminating output distortion in four-switch inverters with three-phase loadsEliminating output distortion in four-switch inverters with three-phase loads 【Authors】：Peters, G.L.; Covic, G.A.; Boys, J.T. 【Subject】：invertors; four-switch inverters; three-phase loads; output distortion elimination; three-phase induction motors; space vector switching strategy; DC link ripple; DC link imbalance; operating conditions; single-phase AC supply; worst case conditions 【Page】：326_332【CorporateSource】：PDL Electron. Ltd., Napier, New Zealand【ConferenceDte】： 【ISSN】：1350-2352【Volume】：145【Issue】：4【Part】：【pdfd】：IELDVD030:2194:15284:707038【File Size】：628K 【Part】：【PublishDate】：July 1998【AccessionNumber】：5980083【Publisher】：Electric Power Applications, IEE Proceedings-【TotalPage】： 【Abstract】：A new space vector switching strategy for four-switch inverters driving three-phase induction motors is described. The technique allows a full range of operation, compensating for both DC link ripple and imbalance to eliminate torque and speed pulsations under all operating conditions, while allowing the largest possible voltages to be produced. The paper presents theoretical expectations and compares these with measured values obtained from an inverter operating off a single-phase AC supply corresponding to worst case conditions.
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