Ct Operated Energy Meter Connection Diagram. One thing continue reading. Similarly i have contacted to other two phases but none of the ammeters are showing the reading except slight deflection in 2 meters what may be the problem.
These graphics below shows the above idea in a very simple way. Three phase keypad prepayment energy ct pt connected low voltage metering cabinet mcu metering control unit installed in. 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.
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.
Note the voltage inputs to the meter must be externally fused via a slyde lock fuse and terminal 11 is the neutral tying down the three voltages 2 the ct cables should be kept as short as possible use 2 5mm cable to maintain accuracy 3 cts match the ratio of the meter being fitted eg 200 5 amp meter 200 amp cts. These graphics below shows the above idea in a very simple way. Hi i have contacted c t to ammeter of range 50a ct ratio is also as per mentioned on ammeter ie 50 5 i have passed loading wires 2nos of one phase through c t. In different countries ryb abc old standard or uvw newer standard and maybe others as electrical wiring color codes are used and are equivalent.
