{"title":"电能质量测量的新指标","authors":"T. Lin, A. Domijan","doi":"10.1109/ICHQP.2004.1409330","DOIUrl":null,"url":null,"abstract":"Power quality indices and the corresponding measurement techniques are utilized to quantitatively present the quality of power supply, and characterize and compare the negative impacts of different disturbances to power networks. To overcome the limitations, deficiencies and difficulties of the practical application of power quality indices and measurement techniques in common use, a set of three new indices are proposed In this work to summarize the time varying waveform distortion in an intuitive, comprehensive and highly efficient way. Moreover, a novel time frequency transform is also developed for the first time to continuously and accurately monitor the instantaneous frequencies and amplitudes of specific signal components in the nonstationary power disturbance, and then update the PQ indices in real time.","PeriodicalId":406398,"journal":{"name":"2004 11th International Conference on Harmonics and Quality of Power (IEEE Cat. No.04EX951)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Novel indices for power quality measurement\",\"authors\":\"T. Lin, A. Domijan\",\"doi\":\"10.1109/ICHQP.2004.1409330\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Power quality indices and the corresponding measurement techniques are utilized to quantitatively present the quality of power supply, and characterize and compare the negative impacts of different disturbances to power networks. To overcome the limitations, deficiencies and difficulties of the practical application of power quality indices and measurement techniques in common use, a set of three new indices are proposed In this work to summarize the time varying waveform distortion in an intuitive, comprehensive and highly efficient way. Moreover, a novel time frequency transform is also developed for the first time to continuously and accurately monitor the instantaneous frequencies and amplitudes of specific signal components in the nonstationary power disturbance, and then update the PQ indices in real time.\",\"PeriodicalId\":406398,\"journal\":{\"name\":\"2004 11th International Conference on Harmonics and Quality of Power (IEEE Cat. No.04EX951)\",\"volume\":\"30 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-09-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2004 11th International Conference on Harmonics and Quality of Power (IEEE Cat. No.04EX951)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICHQP.2004.1409330\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2004 11th International Conference on Harmonics and Quality of Power (IEEE Cat. No.04EX951)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICHQP.2004.1409330","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Power quality indices and the corresponding measurement techniques are utilized to quantitatively present the quality of power supply, and characterize and compare the negative impacts of different disturbances to power networks. To overcome the limitations, deficiencies and difficulties of the practical application of power quality indices and measurement techniques in common use, a set of three new indices are proposed In this work to summarize the time varying waveform distortion in an intuitive, comprehensive and highly efficient way. Moreover, a novel time frequency transform is also developed for the first time to continuously and accurately monitor the instantaneous frequencies and amplitudes of specific signal components in the nonstationary power disturbance, and then update the PQ indices in real time.
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