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Topic Title: wrong energy meter reading Topic Summary: Created On: 29 March 2010 05:19 AM Status: Post and Reply |
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 29 March 2010 05:19 AM
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we have installed 3ph energy meters for four 33kV feeders connected to the Grid substation to measure import/export energy. But at the end of the month all energy meters indicate 2/3 of actual reading. (Actual reading got from the old meters). Is there a common reson for this type of errors.
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29 March 2010 05:51 AM
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Check the voltage inputs and current inputs to meters. It is easy to speculate that you have missed out input from one phase.
Regards Chris Chew |
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30 March 2010 10:46 PM
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What type/make are your energy meters? Perhaps they have a set up menu? Are they configured/wired OK. Could you contact supplier applications engineer for advice?
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01 April 2010 04:28 AM
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Relay type is EDMI geinus MK5. it has two options for connection. one is 3ph four wire system and other option is 3ph three wire system.Is it a VT arrangement or actual phase arrangement.
our 33kV feeders start from 33kV delta side of the 132/33kV T/F . |
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wrong energy meter reading
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