Transcription of A New Solution for Harmonics Generated by VSDs
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A New Solution for HarmonicsGenerated by Variable Speed DrivesIn addition to its harmonic mit-igating capabilities, this widespectrum harmonic filter helpsprotect a VSD from transientovervoltages caused by capacitorswitching and other fast changingloads. It is suitable for virtuallyany application involving a VSDor similar 3-phase, 6-pulse diodebridge rectifier load. Harmonic ProblemsThe front-end diode bridge recti-fiers of 3-phase, 6-pulse static powerconvertors (ac-dc), such as those foundin variable speed drives, are considerednonlinear because they draw current ina non-sinusoidal manner. The currentharmonics they generate are definedby the following formula:h= np 1 Where:h= the Harmonics Generated n= any integer (1, 2, 3, etc.)
A New Solution for Harmonics Generated by Variable Speed Drives In addition to its harmonic mit-igating capabilities, this wide spectrum harmonic filter helps
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Eliminating harmonics from the facility power, P ower system, System, Introduction, Harmonics, Power system, Power system harmonics, Power Quality Issues, Impacts, and Mitigation, Power Quality Issues, Impacts, and Mitigation for Industrial Customers, POWER, Contents, Power Factor Correction in Power Conversion, TN Neutral Current