First you must select an hour meter model. Single phase watt hour meters.
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Kilowatt hour meter wiring diagram. Poly phase meters 3 phase 4 wire. Today we are going to show that how to wire and install a 3 phase kwh energy meter three phase or poly phase 3 phase 4 wire digital or analog energy meter from the supply to the main distribution board. In the above diagram i shown an utility pole form which i get supply to kilowatt hour e meter and after that i get supply form energy meter. These graphics below shows the above idea in a very simple way. The other two lines can be connected either as shown or swapped. The red wire shows the live or line or phase and the blake shows the neutral wire.
No 1 is live in no 2 and no 3 is just a convenient terminal connection for the neutral neutral in and out and no 4 is the live out to the load. 2 3 1 x y z z y k neutral connect the 208v wild leg as shown. In diagram i use red coler wire for line phase and black for neutral wire. Form 2s need a meter for a 120 volt. Poly phase meters 2 3 phase 3 wire. Although newer engines often come with display gauges older ones leave you in the dark.
Function kilowatt hour meters calculate electrical energy consumption in billing cycles which are measured in kilowatt hours or units of energy equivalent to 1000 watt hours. Series 1000 meters are designed for 1 phase 2 wire and 1 or 2 phase 3 wire services whereas series 2000 meters are designed for 3 phase 4 wire services. Install an hour meter in just a few steps. In other words the live is connected in series with the current coil of the meter between 1 and 4. This guide is for use with individual series 1000 and 2000 units. The little copper bridge link on terminal 1 feeds the one end of the internal voltage coil of the meter.
Facilities instructions standards and techniques volume 3 10 watt hour meter maintenance and testing internet version of this manual created december 2000. Below are the the connections diagrams for installation of a single phase 3 phase 4 wire kwh meter digital or analog energy meter from the supply to the main distribution board in home. Meter internal wiring front view three phase four wire delta with three cts connections to socket front view use the ct ratio as the transformer factor in determining the meter multiplier. 3 phase 4 wire energy meter installation of 3 phase kwh energy meter. Ct rated electronic kilowatt hour kwh meters designed for permanent connection to an electrical service. How to wire a three phase kwh energy meter.
You can wire analog and digital energy meter using this method. While an hour meter isnt a necessary part for your boat it can help you track how many hours you put on your outboard motor. Search through our list of wiring diagrams to find the right one for your job. The kilowatt hour meter also contains coils which work in conjunction with the disc and a permanent magnet. Step 1 selecting an hour meter model. Single phase form 2s for 120v circuit.
Gallery of Kilowatt Hour Meter Wiring Diagram
