Three Phase Power Measurement Using Two Wattmeter Method.
STEP 1 : Make Connections as per the instructions given below:
1. R, Y, B and N of MCB - R, Y, B and N of Autotransformer.
2. Z1 of Voltmeter - A1 of Autotransformer and Z2 of Voltmeter - A2 of Autotransformer.
3. A1 of Autotransformer - M1 of Wattmeter and M1 of Wattmeter - C1 of Wattmeter.
4. L1 of Wattmeter - X1 of Ammeter and X2 of Ammeter - Y1 of load.
5. A3 of Autotransfrormer - M2 of Wattmeter and M2 of Wattmeter - C2 of Wattmeter.
6. L2 of Wattmeter - X5 of Ammeter and X6 of Ammeter - Y3 of Load.
7. A2 of Autotransformer - X3 of Ammeter and X4 of Ammeter - Y2 of Load.
8. V1 of Wattmeter - X3 of Ammeter and V2 of Wattmeter - X3 of Ammeter.
NOTE : If wire is wrongly connected, Click on node number to detach the wire.
STEP 2 : Click on   CHECK  button for checking the connections.
          STEP 3 : Click on the  MCB to Turn ON
 MCB to Turn ON  the supply and Select the number of Bulbs from the Lamp Load.
 the supply and Select the number of Bulbs from the Lamp Load.
          STEP 4 : Click on   ADD   button to add the readings to the Observation Table.  
          STEP 5 : Add different readings to the Table by selecting different number of bulbs.
          STEP 6 : Click on     PRINT   button to print the webpage.
          STEP 7 : Click on     RESET   button to refresh the webpage.
  
