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5–34 EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL
VIEWING INDIVIDUAL PHASE INDICATION FOR POWER FUNCTIONS CHAPTER 5: OVERVIEW
5.4 Viewing Individual Phase Indication for Power Functions
The EPM 5300P normally displays a three-phase indication for PF, KW, KVAR, KVA readings.
To view the individual phase A, B and C for those power functions follow the procedure
below. This procedure is particularly useful for detecting a current transformer (CT) polarity
reversal. A CT polarity reversal will result in a low or negative KW indication, while the KVA
will be unaffected.
Step 1:
a. Press POWER to select power readings. Press
PHASE/NEXT to select a specific power function (PF,
KW, KVAR, KVA).
Step 2:
Press and hold the POWER button to scroll through
the instantaneous single-phase power readings.
MAX/MIN
LIMITS
KVAR
PF
KW
KVA
FREQ
KWH
KVAH
AC VOLTS
AC AMPS
POWER
NC
B
A
MAX
MIN
A
N
B
N
C
N
A
B
B
C
C
A
LM2
LM1
NEXT
PHASE
VOLTS
AMPS
POWER
THD
K
THD
THD
MAX/MIN
LIMITS
KVAR
PF
KW
KVA
FREQ
KWH
KVAH
AC VOLTS
AC AMPS
POWER
NC
B
A
MAX
MIN
A
N
B
N
C
N
A
B
B
C
C
A
LM2
LM1
NEXT
PHASE
VOLTS
AMPS
POWER
THD
K
THD
THD