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yhg
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Joined: 3-August 06
Profile Views: 598*
Last Seen: 4th November 2007 - 01:22 PM
Local Time: Sep 10 2010, 09:29 PM
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4 Nov 2007
dear marke:
Now a lot of energy-savers for lightly loaded motor and electricity distribution networks, but many energy-saver are not so good , and product quality is low, so we must regulating the makets of energy-saver,and protect the consumer's benefits. so we must issue the national standards for these energy-savers,and these energy-savers must be tesed in lab before it propagation in the maket. so I want to ask if there are test standard for these energy-savers in your country? thank you best regards
3 Aug 2006
now ,we test the energy saving system for induction motor,we found the problem:when the motor work at light load,the energy saving system reduces the motor voltage,the important thing is the motor speed decrease a little too.
so my question is :are all the motor speed decrease a little when the voltage decrease? can it keep the motor speed constant when reduce the voltage? thank you ! |
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Lo-Fi Version | Time is now: 10th September 2010 - 01:29 PM |
