Home Inverter wiring Explained | Phase Neutral
An inverter is a power electronics device. which is used to convert DC voltage into AC voltage. But the home inverter has to do two more functions. Battery charging and really function.
In this video, we are explaining the basic working of a home inverter and its wiring.
Automatic UPS / Inverter Connections
In case of an emergency breakdown when utility power is unavailable from the power house, we may use an automatic inverter / UPS wiring circuit with batteries to maintain uninterrupted power.
We will show two basic methods of wiring and connection of UPS / Inverter with batteries to the home distribution and main panel board.
Auto UPS / Inverter with Two Wires
Automatic USP / Inverter Wiring with One Live Wire
Note: To be on safe side, use 6 AWG (7/064″ or 16mm2) cable and wire size to connect the UPS to the main panel board.
Related Post: How to Connect a Portable Generator to the Home Supply – 4 Methods
Automatic UPS / Inverter Wiring with two Wires.
No rocket science here. Just connect the outgoing Neutral and Live wires to the UPS. Now connect the two outgoing Neutral and Phase wires from UPS / Inverter (As output) to the appliances as shown in fig 1.
UPS / Inverter Wiring with Single Additional Live Wire
As a basic, we know that each load points should be connected through Live (Phase) and Neutral wire to operate normally. In case below, we have already connected the Phase & Neutral (from Power house to the utility pole & Distribution board then) to each electrical appliance i.e. Fans, Light points etc. That’s what we do in our distribution board for home wiring.
Related Electrical Wiring Tutorial: UPS/Inverter Wiring Diagram With Auto & Manual Changeover Switch System.
Now, according to the UPS connection diagram below, connect an additional wire (Phase) to those appliances where we have already connected Phase and Neutral wires from the power house and distribution board (DB) (i.e., two wires as Phase (Live), as shown in the figure below).
There is no need to connect an extra Neutral wire from the UPS since it is already installed and connected beforehand. In simple terms, you only need a live wire to connect to the appliances, as illustrated in Figure 2. Now, the question arises, “Why an extra Phase wire and not a Neutral?” Well, read the following explanation of the circuit’s working and operation to understand the idea.
Working and Operation of UPS Connection
(1) When utility power is not available from power house
In this case, electric supply will continue through Phase wire (Output of UPS) which is connected to the batteries and UPS and then to electrical appliances (Note that Neutral is already connected). So the first one phase wire which has already connected before UPS installation (i.e. Live Wire from Main board to UPS) would be inactive because power supply is not available from power house. In this case, connected electrical appliances through the live wire from UPS / Inverter consume the stored electrical energy in the batteries without interruption.
Home Inverter wiring Explained | Phase Neutral
An inverter is a power electronics device. which is used to convert DC voltage into AC voltage. But the home inverter has to do two more functions. Battery charging and really function.
In this video, we are explaining the basic working of a home inverter and its wiring.
Automatic UPS / Inverter Connections
In case of an emergency breakdown when utility power is unavailable from the power house, we may use an automatic inverter / UPS wiring circuit with batteries to maintain uninterrupted power.
We will show two basic methods of wiring and connection of UPS / Inverter with batteries to the home distribution and main panel board.
Auto UPS / Inverter with Two Wires
Automatic USP / Inverter Wiring with One Live Wire
Note: To be on safe side, use 6 AWG (7/064″ or 16mm2) cable and wire size to connect the UPS to the main panel board.
Related Post: How to Connect a Portable Generator to the Home Supply – 4 Methods
Automatic UPS / Inverter Wiring with two Wires.
No rocket science here. Just connect the outgoing Neutral and Live wires to the UPS. Now connect the two outgoing Neutral and Phase wires from UPS / Inverter (As output) to the appliances as shown in fig 1.
UPS / Inverter Wiring with Single Additional Live Wire
As a basic, we know that each load points should be connected through Live (Phase) and Neutral wire to operate normally. In case below, we have already connected the Phase & Neutral (from Power house to the utility pole & Distribution board then) to each electrical appliance i.e. Fans, Light points etc. That’s what we do in our distribution board for home wiring.
Related Electrical Wiring Tutorial: UPS/Inverter Wiring Diagram With Auto & Manual Changeover Switch System.
Now, according to the UPS connection diagram below, connect an additional wire (Phase) to those appliances where we have already connected Phase and Neutral wires from the power house and distribution board (DB) (i.e., two wires as Phase (Live), as shown in the figure below).
There is no need to connect an extra Neutral wire from the UPS since it is already installed and connected beforehand. In simple terms, you only need a live wire to connect to the appliances, as illustrated in Figure 2. Now, the question arises, “Why an extra Phase wire and not a Neutral?” Well, read the following explanation of the circuit’s working and operation to understand the idea.
Working and Operation of UPS Connection
(1) When utility power is not available from power house
In this case, electric supply will continue through Phase wire (Output of UPS) which is connected to the batteries and UPS and then to electrical appliances (Note that Neutral is already connected). So the first one phase wire which has already connected before UPS installation (i.e. Live Wire from Main board to UPS) would be inactive because power supply is not available from power house. In this case, connected electrical appliances through the live wire from UPS / Inverter consume the stored electrical energy in the batteries without interruption.
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