In our last class, you learned the method of wiring 3 phase voltage meter but that was only for just measuring the voltage between 2-phase or 2-line voltage. In this article, you will learn the complete method of 3-phase voltage measuring and its voltmeters wring. In this post, I will show you how to wire 2 voltmeters for three-phase voltage measuring.
How to Wire Voltmeters For 3 Phase Voltage Measuring
How to Wire Voltmeters for Three Phase – 3-Phase Volt meter wiring diagram
In this wiring diagram, we use the two 3-phase volt meters which are wired between one another, this means that we wire a one-volt meter as we wired in our last post but we get a Line wire for 2nd voltage meter and then we connect the 3rd line or phase wire to the 2nd voltage meter to complete the electric circuit.
I know without a diagram, it’s too difficult to make understand a body that’s why I designed a diagram about this.
As I have shown in the above diagram, I wired 2-volt meters for a three-phase power supply. I have shown three-phase supply Line wires with red, yellow, and blue collars and black as neutral. As I have shown, ” connect the L1 to the first voltage meter and then connect the L2 to the first and 2nd voltage meter as I showed in the above diagram. In last connect the L3 to the 2nd terminal of the second-volt meter as I showed.
Note that this voltmeter 3-phase wiring diagram is for analog voltmeters and INSHALLAH soon I will make a post about the digital voltmeter wiring diagrams for three-phase.
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