thro the relay into a line
distance relay..........
Ohm relay.......
reactance relay is used for distance protection of the transmission line....
CT (Current Transformer ) is essential whether is electronic relay or electromagnetic relay. A relay requires the CT to sense the line current.
An overload relay is fundamentally a board that protects the relay from overloads. It works on the science of being an AC inductor..
The fuel pump relay on the 1990 Honda Civic wagon will be located on the fuel line. Follow this line to the gas tank underneath the vehicle. This relay will be located on the right side of the line before it goes into the tank.
The end line of a ralay race
The fuel pump relay switch can be found mounted to the outside of the gas tank. The relay switch is next to the fuel line.
A negative sequence relay is looking at unbalanced current, such as what would result from a line to line or line to ground fault. I'm not sure what you're meaning by "mechanism". Please explain if the above doesn't answer your question.
An earth fault relay is a relay that is activated by a fault current that flows from the power line to the earth. Earth fault relays are found in power distribution systems.
The heat relay needs to be activated by a vaccum switch. On my van the fix was to replace the vaccum line to the relay which allowed the relay to allow heat to travel to the blower.