7
JEP0-IL9559
Characteristics
(MDG-A4V type relay
＋
MZT type ZCT combination)
Item
Characteristics
Standard use
conditions
Ambient temperature:
–
20 to +60
℃
(Under the state where dew condensation or freezing does not occur)
Relative humidity: 30 to 80% on daily average
Altitude: 2000m or lower
・
The state where abnormal vibration, shock, and inclination are not applied.
・
The state where it is not exposed to harmful gas, excessive dust, and water droplet or vapor.
Operation value
characteristics
I
0
Setting: Zero-sequence voltage V
0
= 2%,
Operating time T =
Instantaneous
Input: V
0
= 150% of setting value
Criteria: Within
±
10% of each setting current at the maximum sensitivity angle
V
0
Setting: Zero-sequence current I
0
= 0.1A,
Operating time T =
Instantaneous
Input: I
0
= 150% of setting value
Criteria: Within
±
10% of each setting voltage at the maximum sensitivity angle
V
0
setting (%)
2
2.5
3
4
5
6
7
7.5
8
9
10
190V terminal input (V)
3.8
4.75
5.7
7.6
9.5
11.4
13.3 14.25 15.2
17.1
19
110V terminal input (V)
2.2
2.75
3.3
4.4
5.5
6.6
7.7
8.25
8.8
9.9
11
Reset value
characteristics
90% or more of operating value (Both I
0
and V
0
)
Phase
characteristics
Setting: Zero-sequence current I
0
= 0.1A, Zero-sequence voltage V
0
= 2%,
Operating time T =
Instantaneous
Input: I
0
= 1000% of setting value, V
0
= 150% of setting value
I
0
operating area (V
0
standard):
Phase setting
Max. sensitivity angle
45°
Lag
45
°±
10
°
Lead
135
°±
10
°
0.2 0.4 0.6 0.8 1.0A
90
°
90
°
180
°
0
°
35
°
55
°
125
°
145
°
V
O
Max. sensitivity angle 45
°
Lead
←
→
Lag
Operation
area
Non-operation
area
Operating time
characteristics
Input: V
0
= 0
→
150% of setting value, I
0
= 0
→
130% and 400% of setting value
(at the maximum sensitivity angle)
Current
Time setting
Ratio to the setting current
130%
400%
Instantaneous
50
～
100ms
50
～
100ms
0.2s
0.1
～
0.3s
0.1
～
0.2s
0.3s or more
±
20% of setting time
±
10% of setting time
Resetting time
characteristics
Input: V
0
= 150% of setting value
→
0, I
0
= 130% and 400% of setting value
→
0
Criteria: 250ms
±
50ms
Overshoot time
characteristics
Setting: Zero-sequence current I
0
= 0.1A, Zero-sequence voltage V
0
= 2%,
Operating time T = 0.2s
Input: I
0
= 400% of setting value, V
0
= 150% of setting value (at the maximum sensitivity angle)
Applied time: 0.05s
Criteria: The relay shall not operate.
Variation
characteristics of
auxiliary power
supply voltage
Input: Auxiliary power supply = AC90V
～
AC120V
Criteria:
Within ±10% of I
0
and V
0
operation values at rated voltage
Temperature
characteristics
Ambient temperature: -20, +60
℃
Criteria:
Operation values of I
0
and V
0
: Within
±
20% of operation values at 20
℃
Operating time: Within
±
20% of operating time at 20
℃
Phase characteristics: Within
±
15
°
of operating phase at 20
℃
