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Military MEP and Aircraft Gen-Sets MEP Mobile Electric Power, APU Auxiliary Power Unit and other military surplus generators.

Military MEP and Aircraft Gen-Sets

MEP 003A Blew its Ammeter Circuit

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Old 11-19-2018, 05:31:34 PM
reybo reybo is offline
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Default Re: MEP 003A Blew its Ammeter Circuit

Originally Posted by ronciecka View Post
There are 3 CT transformers in this generator. Only one is used for single phase, the other two are for three phase. Check the resistance of all three and if one is different swap it with one of the others. If all CT transformers read the same then your ammeter is bad.
That will probably be the best guide to this.

Ran the gen during a half-hour daytime black out this week and the ammeter raised from zero to about 2%, so the meter isn't dead. I was too distracted to turn on the oven and take another reading.
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