Measured values available in the protection relay depend on the chosen
functionality, relay type and variant.
Table 18: Measured values
Indicator
Description
IA-A Measured current amplitude phase A
IB-A Measured current amplitude phase B
IC-A Measured current amplitude phase C
IA2-A Measured current amplitude phase A
IB2-A Measured current amplitude phase B
IC2-A Measured current amplitude phase C
I1-A Measured positive sequence current
I2-A Measured negative-sequence current
I0-A Measured zero-sequence current
I1B-A Measured positive-sequence current
I2B-A Measured negative-sequence current
I0B-A Measured zero-sequence current
f-Hz Measured frequency
IA3 Measured current phase A
IB3 Measured current phase B
IC3 Measured current phase C
I1C Calculated positive sequence current
I2C Calculated negative sequence current
I0C Calculated zero sequence current
Therm-Lev Thermal level of protected object
IA-diff Measured differential current amplitude phase IA
IB-diff Measured differential current amplitude phase IB
IC-diff Measured differential current amplitude phase IC
IA-bias Measured bias current amplitude phase IA
IB-bias Measured bias current amplitude phase IB
IC-bias Measured bias current amplitude phase IC
PF Average power factor
P-kW Active power, magnitude of instantaneous value
S-kVA Apparent power, magnitude of instantaneous value
Q-kVAr Reactive power, magnitude of instantaneous value
PF2 Power factor, magnitude of instantaneous value
Table continues on next page
1MAC456939-IB D Section 6
Operating procedures
620 series ANSI 83
Operation Manual
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