Gec english electric alstom areva.
Cdg31 relay catalogue.
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.
Current operated operation quantity is current d.
Operating quantity c current d differential v voltage 2.
Induction disc measurement.
Labelling the model from left to right using number cdg31 etc.
Type cdg 61 relay is a triple pole version of type cdg 21 relay.
Tfre type cdg31 relay is a triple pole version with fhree overcurrent units or two overcurrent units and one earth fault unit in the centre of type cdg11.
If you have the 3sec relay s trip curve you can just multiply the time with 1 3 and divide the answer with 3.
On removal of a current equal to 20 times current setting the overshoot times of the ahove are 0 065 second and 0 04 second respectively.
Basic movement d induction disc m balanced armature t static 3.
I have found my decode list for the cdg relays.
91 9717005541 011 45631920 91 9717003393.
Alstom over current earth fault protection cdg11af006sach.
Reading the model from left to right using number cdg31 etc.
1 c 2 d c g etc.
Operating quantity c current d differential v voltage.
Technical data current ratings 1a or 5a.
Cdg 21 relay manual pdf.
Cdg 36 relay manual.
The significance of the three alphabets is as under.
Type cdg 21 relay is a single pole type cdg 11 relay with a high set instantaneous unit.
Cdg 61 relay manual pdf.
Cdg is basically an electromechanical type relay manufactured presently by ge t d and formerly by alstom t d.
That is the time for the 1 3sec relay.
1 c 2 d 3 g etc.
If looking for a ebook areva cdg 31 relay manual in pdf format in that case you come on to the faithful website.
Cdg31 relay manual free download.
2 cdg31 3dhorz 2no s r 3 element o c or e f self powered 20940 51 or 50n 3 cdg61 3d horz 2no s r 3 element o c e f with high set self powered 37760 51 50 or 51 50 51n 4 cdv62 3d horz 2no s r o c relay voltage restrained 34610 51v 5 vdg11 1d vert 110 v ac single pole inverse type o v relay 13170 59.