Questions tagged [neutral]

a circuit conductor that normally carries current, and is connected to ground (earth) at the main electrical panel.

8 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
1
vote
1answer
892 views

Connecting a surge protection device

I've just learned about the surge protection device (SPD). As I was reading about its connection in a three phase line, I came across this scheme: I understand that the SPD's are there to limit the ...
1
vote
0answers
184 views

Effect of the neutral current to a system when a 3-phase facility is used as unbalanced

Normally 3 phase-systems are used for balanced loads like in 3-phase AC induction motors. I know that in a balanced star configuration the total current across the neutral is zero. But what if each ...
0
votes
1answer
35 views

Normally Closed Negative Output, Positive Input Relay

I'm attempting to wire up my remote start in my manual transmission vehicle to ONLY start when the vehicle is in neutral. The way that the transmission works is like this: When in neutral, resistance ...
0
votes
3answers
76 views

Line to ground faults

I am having a trouble understanding the concept of line to ground faults,and ground in general. In this simple single phase circuit, does current reach the load and the circuit operates normally? ...
0
votes
0answers
58 views

Circuit for Neutral point of 3-Phase mains

I wonder if the 'Neutral Point' as mentioned in the attached image is correctly labeled or not? Is there any mistake in this 3-phase circuit design? Edit 1: Also it looks like the 'Neutral point' is ...
0
votes
1answer
89 views

Earth& neutral voltage detection

Can someone suggest me circuit to detect the earth to neutral voltage. I would like to trip relay coil using microcontroller if earth to neutral voltage exceeds 3v. There are device RCB and RCBO ...
0
votes
0answers
176 views

3 phase generator residual voltage

A 3 phase wye-connected, 115 V, 400 Hz generator is used to power a test stand in which a motor controls a wiper arm that operates a three phase Variac to control the voltage across each of the phases....
0
votes
2answers
47 views

Do 2 conductors (1 grounded via resistor) reach equipotential, before surplus electrons drain to earth?

Case I: a negative conductor makes contact with a neutral conductor. Negative donates some electrons to neutral, until there is 0 potential difference. Then they both are slightly negative. This ...