3 6
3 7
Specifications
4
Protection
characteristics
Adjustable long time-delay trip characteristics
Pick-up current [
I
R
] (A)
Current setting tolerance (%)
Time-delay [
t
R
] (s)
Time-delay setting tolerance (%)
Adjustable short time-delay trip characteristics
Pick-up current [
I
sd
] (A)
Current setting tolerance (%)
Time-delay [
t
sd
] (ms) Relay time
Resettable time (ms)
Max. total clearing time (ms)
Adjustable instantaneous trip characteristics
or
Pick-up current [
I
i
] (A)
Current setting tolerance (%)
Adjustable pre-trip alarm characteristics
Pick-up current [
I
P1
] (A)
Current setting tolerance (%)
Time-delay [
t
P1
] (s)
Time-delay setting tolerance (%)
(AGR-22B,31B only)
Pick-up current [
I
P2
] (A)
Current setting tolerance (%)
Time-delay [
t
P2
] (s)
Time-delay setting tolerance (%)
Adjustable reverse power trip characteristics
(AGR-22B,31B only)
Pick-up power [
P
R
] (kW)
Power setting tolerance (%)
Time-delay [time] (s)
Time-delay setting tolerance (%)
Undervoltage alarm characteristics
(AGR-31B only)
Recovery setting voltage (V)
Setting voltage (V)
Time-delay (s)
Control power
__ : Default setting
S-characteristic for generator protection (Type AGR-21BS, 22BS, 31BS)
Protection functions
Setting range of protection functions
Setting range
LT
ST
INST
MCR
PTA
[
I
n
]
~
(0.8 – 1.0 – 1.05 – 1.1 – 1.15 – NON) ; 6 graduations
±5%
(15 – 20 – 25 – 30 – 40 – 50 – 60) at 120% of [
I
R
]; 7 graduations
±15% +150ms – 0ms
[
I
n
]
~
(2 – 2.5 – 2.7 – 3 – 3.5 – 4 – 4.5 – 5 – NON) ; 9 graduations
±10%
100
200
300
400
600
800 ; 6 graduations
75
175
275
375
575
775
170
270
370
470
670
870
[
I
n
]
~
(2 – 4 – 6 – 8 – 10 – 12 – 14 – 16 – NON) ; 9 graduations
±20%
[
I
n
]
~
(0.75 – 0.8 – 0.85 – 0.9 – 0.95 – 1.0 – 1.05) ; 7 graduations
±5%
(10 – 15 – 20 – 25 – 30) at 120% of [
I
P1
]; 5 graduations
±15% +100ms – 0ms
[
I
n
]
~
(0.75 – 0.8 – 0.85 – 0.9 – 0.95 – 1.0 – 1.05) ; 7 graduations
±5%
1.5 [
t
P1
] at 120% of [
I
P2
]
±15% +100ms – 0ms
Rated power [
P
n
]
~
(0.04 – 0.05 – 0.06 – 0.07 – 0.08 – 0.09 – 0.1 – NON) ; 8 graduations
+0 – 20%
(2.5 – 5 – 7.5 – 10 – 12.5 – 15 – 17.5 – 20) at 100% of [
P
R
]; 8 graduations
±20%
[
V
n
]
~
(0.8 – 0.85 – 0.9 – 0.95) ; 4 graduations
[
V
n
]
~
(0.4 – 0.6 – 0.8) ; 3 graduations
0.1 – 0.5 – 1 – 2 – 5 – 10 – 15 – 20 – 30 – 36 ; 10 graduations
AC100 – 120V
Common
DC100 – 125V
Common
DC24V
Common
AC200 – 240V
DC200 – 250V
DC48V
Power consumption: 5 VA
¥
¦
¥
¦
¥
¦
Applicable range of generator rated current [
I
n
]
Type
OCR rated primary
Applicable range of generator
current [I
CT
](A)
rated current [
I
n
] (A)
AR208S
200
100
Ö
[I
n
]
Ö
200
400
200
É
[I
n
]
Ö
400
800
400
É
[I
n
]
Ö
800
AR212S
400
200
Ö
[I
n
]
Ö
400
800
400
É
[I
n
]
Ö
800
1250
630
É
[I
n
]
Ö
1250
AR216S
400
200
Ö
[I
n
]
Ö
400
800
400
É
[I
n
]
Ö
800
1250
630
É
[I
n
]
Ö
1250
1600
800
Ö
[I
n
]
Ö
1600
AR220S
400
200
Ö
[I
n
]
Ö
400
800
400
É
[I
n
]
Ö
800
1250
630
É
[I
n
]
Ö
1250
1600
800
Ö
[I
n
]
Ö
1600
2000
1250
Ö
[I
n
]
Ö
2000
AR325S
2500
1250
Ö
[I
n
]
Ö
2500
AR332S
3200
1600
Ö
[I
n
]
Ö
3200
AR440S
4000
2000
Ö
[I
n
]
Ö
4000
PTA 2
RPT
UV
80
90
100
150
125
250
200
300
400
500
600
700
800
900
1000
1500
2000
3000
2500
INST current setting range
ST current setting range
PTA current setting range
LT current setting
4 0 0 m s
1 0 0 m s
8 0 0 m s
% o f g e n e r a t o r r a t e d c u r r e n t [ ]
I
n
7
8
9
10
15
20
30
40
50
60
70
Operating time
second
minute hour
0 . 0 0 6
0 . 0 1
0 . 0 2
0 . 0 4
0 . 0 6
0 . 1
0 . 2
0 . 4
0 . 6
1
2
4
6
1 0
2 0
4 0
1
2
4
6
1 0
2 0
4 0
1
2
3
The ST trip characteristic
shown in the figure applies
when the ramp characteristic
select switch is in the
OFF position.
Min.
PTA Min.
PTA2 Min
PTA Max
PTA2 Max.
Max.
Type
OCR rated primary
Applicable range of generator
current [I
CT
](A)
rated current [
I
n
] (A)
AR212H
200
100
Ö
[I
n
]
Ö
200
400
200
É
[I
n
]
Ö
400
800
400
É
[I
n
]
Ö
800
1250
630
É
[I
n
]
Ö
1250
AR216H
1600
800
Ö
[I
n
]
Ö
1600
AR220H
2000
1000
Ö
[I
n
]
Ö
2000
AR316H
200
100
Ö
[I
n
]
Ö
200
400
200
É
[I
n
]
Ö
400
800
400
É
[I
n
]
Ö
800
1250
630
É
[I
n
]
Ö
1250
1600
800
É
[I
n
]
Ö
1600
AR320H
2000
1000
Ö
[I
n
]
Ö
2000
AR325H
2500
1250
Ö
[I
n
]
Ö
2500
AR332H
3200
1600
Ö
[I
n
]
Ö
3200
