MPQ1000-UG-EN Rev 6 April 2020
45
8
WIRING DIAGRAMS for Demand Recording
Notes on Wiring Diagrams
1.
The Power Analyzer records all voltages and currents that are hooked up providing you
have activated channels in the setup. Even though not all channels may be required for
the power configurations on the following pages, you can connect them to obtain
voltage/current recordings, providing you activate the channel.
2.
The vector diagrams shown are for reference and represent the vectors associated with a
balanced resistive load. Reactive currents will rotate the current vectors clockwise or
counterclockwise with respect to the voltages.
3.
In the 3-wire configurations, you may select any one wire as a voltage reference, but you
must place current clamps on the remaining two wires.
4.
In the 3-wire configurations, the 2-element wattmeter method is used for power
calculations. The third voltage and current can be connected to the Power Analyzer but
will be recorded as RMS data only, providing you activate the channels.
CAUTION
Inspect all power cords and wires for proper insulation
integrity before connecting to any power source.
www.calcert.com
1.800.544.2843
0
5
10
15
20
25
30
