Cdg31 relay manual the type cdg21 relay is either a double pole version with two earth fault units or two overcurrent units of the type cdg11 or a type cdg11 with an instantaneous unit.
Cdg31 relay manual.
Type cdg 21 relay is a single pole type cdg 11 relay with a high set instantaneous unit.
We present complete edition of this book in txt alstom cdg relay manual tvn3110 pdf type cdg 11 overcurrent and earthfault relay type cdg 11 overcurrent and earthfault.
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Type cdg 11 overcurrent and earthfault relay.
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Technical data current ratings 1a or 5a.
The type cdg31 relay is a triple pole version with three overcurrent units or two overcurrent units and one earth fault unit in the centre of the type cdg11.
What i suspect you have is a standard inverse relay so i would expect the part number to begin cdg31 and end in a 5.
Type cdg 31 is a triple pole version of the type cdg 11 with three overcurrent units or two overcurrent units and one earthfault unit in the centre.
If you are lucky you may also find a graph of the operating curve stuck to the inside of the case.
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Cdg31 relay manual relay selection guide r0 81105 relay electrical equipment relay selection guide r0 81105 relay electrical equipment june 26th 2007 single phase electromechanical directional idmt relay suitable for over current or earth fault application si characteristics vi characteristics ei characteristics cdd21.
Type cdg 61 relay is a triple pole version of type cdg 21 relay.
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And earth fault relay a high set overcurrent unit type cag can be fitted in the same case to provide instantaneous protection under maximum short circuit conditions see application sheet r 5087.
The type cdg31 relay is a triple pole version with three overcurrent units or two overcurrent units and one earth fault unit in the centre of the type cdg11.
Current settings equally spaced tap ranges 10 40 20 80 or 50 200 of 0 5 1 0 or 5 0 amps 50 or 60hz adjustable in seven equal steps.
Making adjustments to gec cdg36 or cdg31 relays mgtrp electrical 10 apr 13 11 57 if i ve done the attachment thing right the attached operating manual has details for calibrating a cdg11 relay.
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