Inverter - Earthing
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- ericmark
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Re: Inverter - Earthing
Not a straight forward answer, what you have is an IT supply, similar to shaver outlet, and when powering a single item the danger is very small, however as the number of items increases so does the danger, it is like the birds on the power cable, since they only touch line, then no current flows, so they are OK, where the danger arrives is where there are more than one fault.
The idea of an earth is should a fault happen it will automatically disconnect. Be it a MCB, fuse, or RCD some device will open.
So an inverter powering a room full of PC's will need an earth, but an inverter powering a single PC could get away without it.
The idea of an earth is should a fault happen it will automatically disconnect. Be it a MCB, fuse, or RCD some device will open.
So an inverter powering a room full of PC's will need an earth, but an inverter powering a single PC could get away without it.
- kellys_eye
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Re: Inverter - Earthing
It's straight forward in the sense of having a single socket outlet that should (ideally) be used for a single item of equipment. Keep it that way and an earth is not necessary due to the 'floating' output.
Don't take it personally......
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Re: Inverter - Earthing
Unless the OP tried to power up a boiler.kellys_eye wrote:It's straight forward in the sense of having a single socket outlet that should (ideally) be used for a single item of equipment. Keep it that way and an earth is not necessary due to the 'floating' output.
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Re: Inverter - Earthing
The inverter is being used in a van so only small items will be plugged into it.
Just seems odd that obviously the live and neutrals are connected but the earth isn't - not even to the inverter chassis.
What if the travel kettle shorts and the metal casing becomes live?
Just seems odd that obviously the live and neutrals are connected but the earth isn't - not even to the inverter chassis.
What if the travel kettle shorts and the metal casing becomes live?
- ericmark
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Re: Inverter - Earthing
If there is no earth then there is no neutral, you have line 1 and line 2.
So if there is a fault and L1 connected to the body of a device then no problem, and L1 becomes the neutral,
and if there is a fault and L2 connected to the body of a device then no problem, and L2 becomes the neutral,
however if you have two items and with one L1 connects to earth and other L2 connects to earth then there is a problem.
So one class 1 item no problem many class II items, no problem, two class I items there is a small chance of a problem, many class I items high chance of a problem.
So if there is a fault and L1 connected to the body of a device then no problem, and L1 becomes the neutral,
and if there is a fault and L2 connected to the body of a device then no problem, and L2 becomes the neutral,
however if you have two items and with one L1 connects to earth and other L2 connects to earth then there is a problem.
So one class 1 item no problem many class II items, no problem, two class I items there is a small chance of a problem, many class I items high chance of a problem.