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| Last 10 Entries · Syndicate all Blogs (RSS) |
we have recently repaired one of our transformer(1MVA,11kv/433v),after repair we have charged the transformer with 11kv supply we found secondary voltage as follows 430v,428v,438v (primary voltage remains same i.e,11.02KV,11.05KV,11.02Kv.We... Read more...
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2 Entries
8,332 Views
Hi guys Can someone please explain to me is a 3 phase motor running off a VSD at half speed (25hz) still able to produce its rated nameplate kilowatts? Read more...
1 Comments
1 Entries
4,608 Views
Hi, I have a pump which is 480V single phase (Split Phase). I have been asked to change the starter on this pump. At present there is a manual starter on the wall. You put it in start and when the motor is up to speed you switch it to run. There is... Read more...
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1 Entries
2,232 Views
There are many energy saving schemes promoted in the industry today, some of these work, but many either can not work, or can not work in the manner that they are promoted. In order to reduce energy consumption, there must first be energy wasted,... Read more...
12 Comments
2 Entries
2,388 Views
I have been asked to try and get a 250kW induction motor pump-set to generate by running it backward. The theory is fine and covered by a few articles on this site, but there are a couple of problems I would like some help with please! At the... Read more...
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1 Entries
2,182 Views
zoe689689 hasn't made any entries yet!
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Our members have created a total of 14 blogs We have a total of 7 entries and 13 comments The newest blog is "zoe689689's Blog" by zoe689689 |
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Lo-Fi Version | Time is now: 7th September 2010 - 04:38 PM |