Energy Saving with VFD in High-voltage Motor Applications
碩士 === 國立高雄大學 === 電機工程學系碩士班 === 102 === Power is the most widely used energy in the world. High-pressure air is another resource also generally exploit. However， an air compressor is necessary before we want to make use of high-pressure air. People can easily see air compressors in mining industry，...
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| Format: | Others |
| Language: | zh-TW |
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2014
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| Online Access: | http://ndltd.ncl.edu.tw/handle/52593219901777251118 |
| Summary: | 碩士 === 國立高雄大學 === 電機工程學系碩士班 === 102 === Power is the most widely used energy in the world. High-pressure air is another resource also generally exploit. However， an air compressor is necessary before we want to make use of high-pressure air. People can easily see air compressors in mining industry， engineering， or medical environments. On the other hand， the energy consumption of air compressors is high. Most air compressors using in chemical and steel industry of Taiwan， they need high voltage to switch on. It causes the consumption of electricity rises rapidly as well as the voltage of bus decrease sharply. Needless to say， people cannot avoid overusing the energy of air compressors daily. People have plenty of heavy-duty air compressors in their industries and factories. Engineers should try to figure out how to save or cut the amount of energy consumption.
Therefore， we are going to compare the different ways to switch on middle-high voltage motors. They are directly switching on and VFD(or Inverter). This essay is going to discuss the energy saving and try to make use of VFD perfectly.
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