Name
Type
Values (Range)
Unit
Description
Frequency gradient
FLOAT32
-10.00...10.00
Hz/s
Frequency gradient
Conductance Yo
FLOAT32
-1000.00...1000.
00
mS
Conductance Yo
Susceptance Yo
FLOAT32
-1000.00...1000.
00
mS
Susceptance Yo
Angle VG - IG
FLOAT32
-180.00...180.00
deg
Angle residual voltage -
residual current
Angle VBC - IA
FLOAT32
-180.00...180.00
deg
Angle phase B to phase C
voltage - phase A current
Angle VCA - IB
FLOAT32
-180.00...180.00
deg
Angle phase C to phase A
voltage - phase B current
Angle VAB - IC
FLOAT32
-180.00...180.00
deg
Angle phase A to phase B
voltage - phase C current
Angle VG2 - IG2
FLOAT32
-180.00...180.00
deg
Angle residual voltage -
residual current (b)
Angle VBC2 - IA2
FLOAT32
-180.00...180.00
deg
Angle phase B to phase C
voltage - phase A current (b)
Angle VCA2 - IB2
FLOAT32
-180.00...180.00
deg
Angle phase C to phase A
voltage - phase B current (b)
Angle VAB2 - IC2
FLOAT32
-180.00...180.00
deg
Angle phase A to phase B
voltage - phase C current (b)
3.9
Non-volatile memory
The relay does not include any battery backup power. If the auxiliary power is lost, critical
information such as relay configuration and settings, events, disturbance recordings and
other critical data are saved to the relay’s non-volatile memory. The relay’s real-time
clock keeps running via a 48-hour capacitor backup.
•
Up to 1024 events are stored. The stored events are visible in LHMI and WHMI only
•
Recorded data
•
Fault records (up to 128)
•
Maximum demands
•
Circuit breaker condition monitoring
•
Latched alarm and trip LEDs' statuses
•
Trip circuit lockout
•
Counter values
•
Load profile
1MAC059074-MB A
Section 3
Basic functions
615 series ANSI
103
Technical Manual
Содержание Relion 615 series
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