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Abstract
In a motor or in a drive system the quantity of power increases in the direction opposite to the direction of power flow. Energy losses and energy efficiency of a motor or a drive system must be presented as functions of physical quantities independent of losses. Such quantities are speed and load. But the picture of power stream in a motor or in a drive system is presented in the literature in the form of traditional Sankey diagram of power decrease in the direction of power flow. The paper refers to Matthew H. Sankey’s diagram in his paper „The Thermal Efficiency of Steam Engines” of 1898. Presented is also a diagram of power increase in the direction opposite to the direction of power flow. The diagram, replacing the Sankey diagram, opens a new perspective of research into power of energy losses and efficiency of motors and drive systems.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/pomr-2016-0074
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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Polish Maritime Research
no. 23,
pages 93 - 98,
ISSN: 1233-2585 - Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Paszota Z.: On power stream in motor or drive system// Polish Maritime Research. -Vol. 23, iss. 4(92) (2016), s.93-98
- DOI:
- Digital Object Identifier (open in new tab) 10.1515/pomr-2016-0074
- Verified by:
- Gdańsk University of Technology
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