Contactors and relays susceptibility to voltage sags
A contactor is electrically controlled switch used for switching a power circuit and activated by a control input which is a lower voltage or current than that which the contactor is switching. While a relay is an electrical switch that opens and closes under the control of another electrical cir...
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| 格式: | Learning Object |
| 語言: | English |
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Universiti Malaysia Perlis
2009
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| 在線閱讀: | http://dspace.unimap.edu.my/xmlui/handle/123456789/4266 |
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