CHAPTER 2: INSTALLATION ELECTRICAL
PQM POWER QUALITY METER – INSTRUCTION MANUAL 2–13
For a single-phase connection, connect current and voltage to the phase A inputs only. All
other inputs are ignored. Select the
S2 SYSTEM SETUP \ CURRENT/VOLTAGE
CONFIGURATION \ VT WIRING:
SINGLE PHASE setpoint.
FIGURE 2–9: Single Phase Connection
The figure below shows two methods for connecting CTs to the PQM for a 3-wire system.
The top drawing shows the standard wiring configuration using three CTs. An alternate
wiring configuration uses only two CTs. With the two CT method, the third phase is
Courtesy of NationalSwitchgear.com
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