{"title":"Hybrid ASD Comparison With Conventional - Significant Efficiency Improvements are Still Available","authors":"M. Chisholm, Manoj Biswas, Wissam Moubarak","doi":"10.1109/PCIC42668.2022.10181142","DOIUrl":null,"url":null,"abstract":"High speed pump and compressor applications can frequently gain significant performance improvements when operated via an adjustable speed drive (ASD). By utilizing a fixed speed motor to provide a portion of the rated power (for example, 85%), two small servo motors (combined rating 15%) each connected to an ASD and an epicyclic gearbox, a high performance Hybrid ASD solution can show significant additional benefits beyond the conventional ASD approach. A detailed comparison between this hybrid system and a conventional system utilizing a fully rated ASD and a parallel offset gearbox based on a nominal compressor load of 10.9MW, 10,000rpm is presented in detail. Most notably, these benefits include an efficiency improvement in excess of two percentage points.","PeriodicalId":301848,"journal":{"name":"2022 IEEE IAS Petroleum and Chemical Industry Technical Conference (PCIC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE IAS Petroleum and Chemical Industry Technical Conference (PCIC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PCIC42668.2022.10181142","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
High speed pump and compressor applications can frequently gain significant performance improvements when operated via an adjustable speed drive (ASD). By utilizing a fixed speed motor to provide a portion of the rated power (for example, 85%), two small servo motors (combined rating 15%) each connected to an ASD and an epicyclic gearbox, a high performance Hybrid ASD solution can show significant additional benefits beyond the conventional ASD approach. A detailed comparison between this hybrid system and a conventional system utilizing a fully rated ASD and a parallel offset gearbox based on a nominal compressor load of 10.9MW, 10,000rpm is presented in detail. Most notably, these benefits include an efficiency improvement in excess of two percentage points.
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