Characteristics Setting Of Type Ws Relay - Mitsubishi Electric AE-SW Series Instruction Manual

Characteristics setting of type WS relay

1
2
Note: The figure includes the optional G1
setting module, display and MCR.
Table 22
No. Setting item Mark
1 Current setting Ir
Uninterrupted
Iu
2
current
LTD time T
3
L
STD pick-up current Isd
4
5 STD time Tsd
AE630-SW~AE1600-SW
AE2000-SW~AE3200-SW, AE4000-SW
INST/MCR AE2000-SWA, AE4000-SWA
6 Ii
pick-up current AE5000-SW
AE6300-SW
Pre-alarm current Ip
7
Pre-alarm time Tp
8
The table shows data obtained on the breakers provided with MCR (optional). For breakers without MCR, the setting position for MCR is not provided.
Relation of setting dial
In (CT rating) Ir Iu
Isd
Ii
Ig (Page 25)
E − 22
6
3
5
4
7
Adjustable setting range
0.5 ~ 1.0 (0.05step) ✕ In (CT rating)
0.8 ~ 1.0 ✕ Ir (0.02step), Pick-up current : 1.15 ✕ Iu
12-25-50-100-150s
1.5-2-2.5-3-4-5-6-7-8-9-10 ✕ Ir
0.5-0.4-0.3-0.2-0.1-0.06- 0.06-0.1-0.2-0.3-0.4-0.5s
(I 2 t ON)
16-12-10-8-6-4-2-2-4-6-8-10-12-16
12-10-8-6-4-2-2-4-6-8-10-12
10-8-6-4-2-2-4-6-8-10
(INST)
Iu ✕ 0.68 ~ 1.0 (0.04step)-OVER
1/2 T at Iu ✕ 2 (after 1/2T , PAL contact output turns on.)
L L
Ip
Ip2 (Page 26)
Load current LED (60, 80, 100, OVER)
7 Pre-alarm
current: Ip
2 Uninterrupted
current: Iu
4 STD pick-up
current: Isd
5
STD time: Tsd
I 2 t ON
2
I t OFF
6
Current (%)
at Iu ✕ 2
(I 2 t OFF)
at Isd ✕ 1.5
✕ Ir
(INST) (MCR)
WS1
✕ Ir
(INST) (MCR)
WS2
✕ Ir
(MCR)
WS3
3
LTD time: T
L
8 Pre-alarm
time: Tp
With MCR
Max. breaking time
INST Pick-up
(In case of AE4000-SW~
current: Ii
6300-SW, it is 0.05s)
Factory default
Accuracy
value
— 1.0
1.05 ✕ Iu···Non pick-up
1.0
1.25 ✕ Iu···Pick-up
±20% 150
±15% 10
±20%
It operates in the range
0.5 (I
between 0.04 and 0.08s
when the time set at 0.06s.
WS1···16 (INST)
±15%
WS2···12 (INST)
WS3···10 (INST)
±10% OVER
±20%
2 t ON)
—