65A7355H01 November 2011 www.eaton.com
9
2.5
Technical Parameters 17.5 kV W-VACi IEC Circuit Breaker
Item
Unit
17.5kV W-VACi
Voltage (Ur)
kV
17.5
Normal Current(I
r
)
A
630
800
1
2
5
0
1
6
0
0
2
0
0
0
3
1
5
0
Short-Time Withstand Current(I
k
)
kA
25
25
25
25
25
25
Short Circuit Breaking Current(I
sc
)
kA
25
25
25
25
25
25
Duration of Short Circuit(t
k
)
sec
3
3
3
3
3
3
Frequency(f
r
)
Hz
50/60 50/60 50/60 50/60 50/60
50/60
Short circuit Making Current(I
ma
)
kA
63/
65
63/
65
63/
65
63/
65
63/
65
63/
65
Contact Closing Bounce Time
ms
≤ 2
≤ 2
≤ 2
≤ 2
≤ 2
≤ 2
Time Difference of Three Pole
Opening and Closing
ms
≤ 2
≤ 2
≤ 2
≤ 2
≤ 2
≤ 2
Fixed Resistance
1
µΩ
≤35
≤35
≤20
≤15
≤15
≤12
DO Resistance
1
µΩ
≤45
≤45
≤35
≤30
≤30
≤25
Closing Time
ms
25~50 25~50 25~50 25~50 25~50 25~50
Opening Time
ms
40~60 40~60 40~60 40~60 40~60 40~60
Closing Speed
1
m/s
0.7~
1.3
0.7~
1.3
0.7~
1.3
0.7~
1.3
0.7~
1.3
0.7~
1.3
Opening Speed
1
m/s
1.0~
1.7
1.0~
1.7
1.0~
1.7
1.0~
1.7
1.0~
1.7
1.0~
1.7
D.C. Component of Breaking
Current(I
dc
)
%
29-35 29-35 29-35 29-35 29-35
29-35
Cable-Charging Breaking Current (C2)
A
31.5
31.5
31.5
31.5
31.5
31.5
Single Capacitor Bank Breaking
Current (C2)
A
400
-
-
-
-
-
Back to Back Capacitor Bank Breaking
Current (C1)
A
400
-
-
-
-
-
Pole to Pole Spacing (Center to
Center)
mm
150
150
150
210
210
275
Upper to Lower Terminal Spacing
mm
205
205
275
310
310
310
Mechanical Endurance
2
Cycle
10k
10k
10k
10k
10k
10k
Electrical Endurance
Cycle
10k
10k
10k
10k
10k
10k
Rated Insulation Level
Rated Lighting
Impulse
Withstand
Voltage(U
p
)
kV
38
Rated Power
Frequency
Withstand
Voltage(U
d
)
kV
95
Operating Sequence
O-0.3s-CO-15s-CO
Classification
E2-M2-S1
1:
Testing configurations available upon request
2:
20K operations can be achieved on the 12kV, 25kA Breaker
Содержание W-VACi
Страница 1: ...User manual W VACi W VACi 12 17 5 24 kV IEC Vacuum Circuit Breakers...
Страница 2: ...2 65A7355H01 November 2011 www eaton com...
Страница 53: ...65A7355H01 November 2011 www eaton com 53 Fig 6 10 Control Schematic...
Страница 54: ...54 65A7355H01 November 2011 www eaton com...
Страница 55: ...65A7355H01 November 2011 www eaton com 55 Fig 6 11 Control Schematic...
Страница 56: ...56 65A7355H01 November 2011 www eaton com Fig 6 12 Control Schematic...
Страница 57: ...65A7355H01 November 2011 www eaton com 57 Fig 6 13 Control Schematic...
Страница 58: ...58 65A7355H01 November 2011 www eaton com Fig 6 14 Control Schematic...
Страница 59: ...65A7355H01 November 2011 www eaton com 59 Fig 6 15 Control Schematic...
Страница 60: ...60 65A7355H01 November 2011 www eaton com Fig 6 16 Control Schematic...
Страница 61: ...65A7355H01 November 2011 www eaton com 61 Fig 6 17 Control Schematic...
Страница 62: ...62 65A7355H01 November 2011 www eaton com Fig 6 18 Control Schematic...
Страница 63: ...65A7355H01 November 2011 www eaton com 63 Fig 6 19 Control Schematic...