Mitsubishi Electric AED1000-CV, Manual

Page: 13 / 22

5000
4000
3000
2000
1000
500
400
300
200
100
60
50
40
30
20
Operating time (s)
Current (%)
(s)
(min)
(h)
10
5
4
3
2
1
.5
.05
.04
.03
.02
.01
.4
.3
.2
.1
1
2
10
15
30
40
1
20
8
6
4
50
40
30
20
10
5
4
3
2
1
.5
.05
.06
.04
.03
.02
.01
.4
.3
.2
.1
1 2 5 10 20 50 100 125 150 200 500 1000 1600 2000 5000 10000
INST/MCR pick-up current: Ii
Ir × 2-4-6-8-10-12-16 ±15%
Max. breaking time (Note 3)
I 2 t OFF
I 2 t ON
(ramp)
With MCR
STD time: Tsd (Note 1) (Note 2)
0.06-0.1-0.2-0.3-0.4-0.5 (s) ± 20%
(at Isd × 1.5)
Ir × 0.8-1.0 (step 0.02)
Uninterrupted current: Iu
LTD pick-up 1.05 × Iu…Non pick-up
1.25 × Iu…Pick-up
STD pick-up current: Isd
Ir × 1.5-2-2.5-3-4-5-6-7-8-9-10 ±15%
Pre-alarm time: Tp
T
L
/2 ± 20% (at Iu × 2)
Pre-alarm current: Ip
Iu × 0.68-1.0 (step 0.04) - OVER ±10%
LTD time: T
L
12-25-50-100-150 (s) ± 20%
(at Iu × 2)
24 25
Electronic trip relay
9 9
Electronic trip relay
No. Setting item Mark Adjustable setting range Accuracy
Factory default
value
A
Current setting Ir 0.5- 1.0 (step 0.05) × In (CT rating) – 1.0
K
Uninterrupted current Iu 0.8- 1.0 × Ir (step 0.02), Pick-up current: 1.15 × Iu
1.05 × Iu…Non Pick-up
1.25 × Iu…Pick-up
1.0
L
LTD time T
L
12-25-50-100- 150 s at Iu × 2 ±20% 150
M STD pick-up current Isd 1.5-2-2.5-3-4-5-6-7-8-9- 10 × Ir ±15% 10
N STD time Tsd
±20%
(Note)
0.5 (I 2 t ON)
J
INST/MCR
pick-up current
Ii ±15% 16 (INST)
G Pre-alarm current Ip Iu × 0.68-1.0 (step 0.04) - OVER ±10% OVER
– Pre-alarm time Tp 1/2 T
L
at Iu × 2 (after 1/2 T
L
, PAL contact output turns on.) ±20% –
Adjustable setting range
Note) The figure shows ETR type: VS1DPGF.
Display and Ground fault protection are optional equipments.
In (CT rating) Ir
Ig (P.26)
Iu
Isd
Ii
Ip
Load current LED
(60, 80, 100%, OVER)
Relation of setting dial
The table and the figure include both optional display.
Pre-alarm current “OVER” setting is Iu × 1.15.
Note)
(O operation) When Tsd = “0.06” setting, operating time is 0.04-0.1 s.
When Tsd = “0.1” setting, operating time is 0.1 s ±50%.
(CO operation) When Tsd = “0.06, 0.1” setting, operating time is 0.04-0.15 s.
16 -12-10-8-6-4-2-2-4-6-8-10-12-16 × Ir
(INST) (MCR)
Current setting dial
A
INST/MCR pick-up current setting dial
J
Load current LED
B
Uninterrupted current setting dial
K
RUN LED
C
LTD time setting dial
L
ERR. LED
D
STD pick-up current setting dial
M
Pre-alarm LED
E
STD time setting dial
N
Trip indicator LED
F
Ground fault protection setting module dial
O
Pre-alarm current setting dial
G
TEST terminal
I
Frequency setting switch
H
RESET button (TEST L/S LOCK button)
P
For general purpose: Type S1
0.5 -0.4-0.3-0.2-0.1-0.06-0.06-0.1-0.2-0.3-0.4-0.5 s
(I 2 t ON) (I 2 t OFF)
at Isd × 1.5
Operating characteristic curve (for general purpose: Type S1)
Current LTD pick-up, Ip … % of Uninterrupted current Iu
Iu, Isd, Ii ………… % of Current setting Ir
Note 1) (O operation) When Tsd = “0.06” setting, operating time is 0.04-0.1 s.
When Tsd = “0.1” setting, operating time is 0.1 s ±50%.
(CO operation) When Tsd = “0.06, 0.1” setting, operating time is 0.04-0.15 s.
Note 2) I
2
t is selectable: ON or OFF.
Note 3) When CO operation, max. breaking time is 0.135 s.