Over Current Relay which operates when the current in a line exceeds a predetermined value.
Under Current Relays which operates whenever the current in a circuit drops below a predetermined value.
Social Profiles
Best Electronics blogs on the Planet!
Popular Post
-
Figure: Generator Output 1. What is a Generator? A Generator is a machine which converts Mechanical Energy into Electrical Energy.... -
PILC - Paper Insulated Lead covered Cable PILCSTA - Paper Insulated Lead covered Single Taped Armoured cable PILCDTA - Paper Insulated ...
-
Figure: Power transformer over-excitation condition caused by decreased frequency; flux (green), iron core's magnetic characteristics... -
Electric Motor An Electric motor is a machine, which converts electric energy into mechanical energy. The reverse of this is the conver... -
Figure: Protective Relaying System Functions of Protective Relays: To detect the faults. For Example: Short circuits. To detect a... -
Figure: Three Phase Generator Output Q1. Magnetic induction occurs when there is relative motion between what two elements? A1. A ... -
Ring Main Unit (RMU) is a 11 KV or 33 KV HT panel having 3 nos. of switches (Circuit Breakers or Isolators or LBS) that are 2 for inco...
0 Comment(s):
Post a Comment