Statistical summation of the harmonic currents produced by a large number of single phase variable speed air conditioners: a study of three specific designs
1998
The variable speed air conditioner (VSAC) is a large domestic distorting load. We investigate the impact of a large number of VSACs on domestic harmonic levels. We present a general method to build a harmonic numerical model of a passive filtered rectifier supplied by a distorted voltage, a statistical method to assess the total harmonic currents produced by a large number of units running at various power levels and supplied by various distorted voltages. These two methods are applied to a rectifier used by many VSACs. We also present results for two other rectifiers.
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