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CHAPTER 13: PHASE REVERSAL AND PHASE IMBALANCE SET LIMITS/RELAYS GROUP 7, FUNCTION 1—PERCENTAGE VOLTAGE PHASE
IMBALANCE
EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL 13–105
13.4 Group 7, Function 1—Percentage Voltage Phase Imbalance
To change the percentage voltage phase imbalance:
Note
Press MAX/MIN/LIMITS at any time to cancel before storing the last digit or switch.
Step 1:
a. Enter Group Level of Programming Mode (see Chp. 9).
b. Press MAX/MIN/LIMITS until 7. appears in upper
display.
c. Press AMPS to activate the Group.
Step 2:
a. Press MAX/MIN/LIMITS until 71. appears in upper
display.
Middle display indicates the Trip Relay 1 and Trip
Relay 2 settings.
Lower display indicates the percentage of Voltage
Phase Imbalance.
MAX/MIN
LIMITS
KVAR
PF
KW
KVA
FREQ
KWHKVAH
AC VOLTS
AC AMPS
POWER
NCBA
MAX
MIN
A
N
B
N
C
N
A
B
B
C
C
A
LM2
LM1
NEXT
PHASE
VOLTS
AMPS
POWER
MAX/MIN
LIMITS
KVAR
PF
KW
KVA
FREQ
KWHKVAH
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