A sensorless efficiency test system for a high-speed permanent magnet synchronous motor

Abstract We present a sensorless efficiency test system with energy recovery for a high-speed permanent magnet synchronous motor (PMSM). In the system, two identical high-speed PMSMs are used as the motor under test (MUT) and the load machine (LM), respectively. A new sensorless vector control (VC)...

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Main Authors: Li JI, Yixiang SHAO, Sujie GAO
Format: Article
Language:English
Published: IEEE 2018-12-01
Series:Journal of Modern Power Systems and Clean Energy
Subjects:
Online Access:http://link.springer.com/article/10.1007/s40565-018-0482-5
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author Li JI
Yixiang SHAO
Sujie GAO
author_facet Li JI
Yixiang SHAO
Sujie GAO
author_sort Li JI
collection DOAJ
description Abstract We present a sensorless efficiency test system with energy recovery for a high-speed permanent magnet synchronous motor (PMSM). In the system, two identical high-speed PMSMs are used as the motor under test (MUT) and the load machine (LM), respectively. A new sensorless vector control (VC) method based on a hypothetical reference frame is presented to control both the MUT and the LM. Also, a regenerating unit is used to implement energy circulation to save energy. Experiments were carried out on a prototype, with a digital controller based on the TMS320F28335, to verify the adequacy of the sensorless VC method. As a result, the efficiency test system achieves the load test at the speed of 21000 r/min without any reduction equipment. During the test, the energy regenerated by the LM could be fed back to the MUT by the regenerating unit, and 81.31% electrical power was saved. In addition, with the proposed sensorless VC method, both the MUT and the LM can work at i d   = 0 without a position sensor.
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spelling doaj.art-e61853dd04454ffb814367e19efd2bdc2022-12-21T18:47:46ZengIEEEJournal of Modern Power Systems and Clean Energy2196-56252196-54202018-12-017239039910.1007/s40565-018-0482-5A sensorless efficiency test system for a high-speed permanent magnet synchronous motorLi JI0Yixiang SHAO1Sujie GAO2College of Energy and Electrical Engineering, Hohai UniversityNARI Group Corporation (State Grid Electric Power Research Institute)State Grid Xin Yuan Company LimitedAbstract We present a sensorless efficiency test system with energy recovery for a high-speed permanent magnet synchronous motor (PMSM). In the system, two identical high-speed PMSMs are used as the motor under test (MUT) and the load machine (LM), respectively. A new sensorless vector control (VC) method based on a hypothetical reference frame is presented to control both the MUT and the LM. Also, a regenerating unit is used to implement energy circulation to save energy. Experiments were carried out on a prototype, with a digital controller based on the TMS320F28335, to verify the adequacy of the sensorless VC method. As a result, the efficiency test system achieves the load test at the speed of 21000 r/min without any reduction equipment. During the test, the energy regenerated by the LM could be fed back to the MUT by the regenerating unit, and 81.31% electrical power was saved. In addition, with the proposed sensorless VC method, both the MUT and the LM can work at i d   = 0 without a position sensor.http://link.springer.com/article/10.1007/s40565-018-0482-5Distributed generationHigh-speed permanent magnet synchronous motor (PMSM)Sensorless controlEnergy saving
spellingShingle Li JI
Yixiang SHAO
Sujie GAO
A sensorless efficiency test system for a high-speed permanent magnet synchronous motor
Journal of Modern Power Systems and Clean Energy
Distributed generation
High-speed permanent magnet synchronous motor (PMSM)
Sensorless control
Energy saving
title A sensorless efficiency test system for a high-speed permanent magnet synchronous motor
title_full A sensorless efficiency test system for a high-speed permanent magnet synchronous motor
title_fullStr A sensorless efficiency test system for a high-speed permanent magnet synchronous motor
title_full_unstemmed A sensorless efficiency test system for a high-speed permanent magnet synchronous motor
title_short A sensorless efficiency test system for a high-speed permanent magnet synchronous motor
title_sort sensorless efficiency test system for a high speed permanent magnet synchronous motor
topic Distributed generation
High-speed permanent magnet synchronous motor (PMSM)
Sensorless control
Energy saving
url http://link.springer.com/article/10.1007/s40565-018-0482-5
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