Electronic trip device comprising a test device

Details Electronic trip device comprising a test device Electronic trip device comprising a test device

H - Electricity

02

H

H02H 3/16 (2006.01) H02H 1/00 (2006.01) H02H 3/04 (2006.01) H02H 3/093 (2006.01) H02H 3/33 (2006.01)

Patent

CA 2112029

The terminals (P1 and P2) of a test circuit are directly connected to outputs of the transformer secondary windings and to the input of the rectifying circuit so that the test current checks operation of the trip device. A sign detection circuit (10) supplies a processing circuit (9) with the values of the polarities of the rectified currents. The processing circuit (9) comprises means for determining the presence of a test current when the sign of the rectified current comprising the test current remains continuously in the same polarity. A differentiation of the continuous polarity, positive or negative, of the test current enables testing to be carried out with or without earth protection tripping.

Affiliated with

Also associated with

Rating

Electronic trip device comprising a test device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electronic trip device comprising a test device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic trip device comprising a test device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-2053498