Cdd relays directional over current amp earth fault.
Cdg31 relay manual.
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.
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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.
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.
Cdd21 relay manual alstom cdg31 relay manual pcimmesir.
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.
Cdg31 relay manual free download.
The type cdg 34 relay is a triple pole version with three overcurrent units or two.
Type cdg 61 relay is a triple pole version of type cdg 21 relay.
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.
Cdg 61 relay manual pdf.
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.
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.
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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Technical data current ratings 1a or 5a.
Type cdg 11 overcurrent and earthfault relay.
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 21 relay is a single pole type cdg 11 relay with a high set instantaneous unit.
Alstom cag12 relay wiring cdg 61 relay connection diagram for earthfault and over load relay vajhm23 vajc11 relay alstom wiring diagram alstom cag 34a areva cdg 61 manual cdg 31 and cdg 61.
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.
