- Contact Person : Mr. Zhou Benjamin
- Company Name : Yueqing Pomanique Electric Co., Ltd.
- Tel : 86-577-62732638
- Fax : 86-577-62732636
- Address : Zhejiang,Yueqing,F14, Jun Hao Xuan, Liuchuan Mansion, North Liuqing Road, Yueqing, Zhejiang, China
- Country/Region : China
- Zip : 325604
132kV SF6 outdoor circuit breaker
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Outdoor Self-energized High-voltage SF6 Circuit Breaker
132kv sf6 circuit breaker
LW36-126(252)Type LW36-126(252) outdoor self-energized high-voltage SF6 circuit breaker is applicable in the alternating current 50Hz, 110-220kV power system, it can be used as the electrical protective and control device in the power system, it also can be deemed as the tie circuit breaker.
This kind of circuit breaker complies with the regulation of GB1984-89 < Alternating current high-voltage circuit-breakers > and IEC56 < High-voltage alternating current circuit-breakers >.Base on the principle of self-energized arc distinction, by adopting SF6 as the medium for insulation and arc distinction, the circuit breaker is equipped with type CT24 spring operating mechanism which has the advantages of excellent breaking capability, low operating power and high reliability
Service and Environmental Condition
Ambient Temperature:-30°C~+40°C
b. Sea-level Altitude:≤1000m, ≤3000m
c. Wind Speed:≤34m/s
d.Diurnal Temperature Variation :≤25°C
e.Illumination Intensity:≤0.1w/cm
f.Monthly Average Relative Temperature:≤90%
g.Seismic Acceleration:Horizontal: ≤0.2g, Vertical: ≤0.1g
h.Ice Thickness:≤10mm
i.Air Pollution Level:Not less than Level III in GB5582
j.Mounting Site:Outdoor
Main Technical Parameters
No. | Item | Unit | Parameter | |
1 | Rated voltage | KV | 126(252) | |
2 | Rated power- frequency withstand voltage(1min) | To earthing | KV | 230 |
Across the isolating distance | KV | 230+73* | ||
3 | Rated lightning impulse withstand voltage | To earthing | KV | 550 |
Across the isolating distance | KV | 550+103* | ||
4 | Frequency withstand voltage at SF6 zero gauge pressure(5min) | KV | 95KV | |
5 | Rated frequency | Hz | 50 | |
6 | Rated current | A | 2500,3150 | |
7 | First pole-to-clear factor | 1.5 | ||
8 | Rated short-circuit breaking current | kA | 31.5 40 | |
9 | Rated short circuit making current | kA | 80 100 | |
10 | Rated short - time withstand current | kA | 31.5 40 | |
11 | Rated peak withstand current | kA | 31.5 40 | |
12 | Rated Short-circuit Continuing Time | S | 3 | |
13 | Rated out of phase breaking current | kA | 8 10 | |
14 | Short-line fault breaking current | 90% 75% | ||
15 | Rated line-charging making current | A | 3.5 | |
16 | Rated short-circuit breaking times | Time | 20 | |
17 | Rated operating sequence | O-0.3S-CO-180-CO | ||
18 | Open time | ms | ≤40 | |
19 | Making time | ms | ≤120 | |
20 | Breaking time | ms | ≤60 | |
21 | Close-open time | ms | ≥80 | |
22 | Closing simultaneity | ms | ≤3 | |
23 | Opening simultaneity | ms | ≤2 | |
24 | Closing speed | m/s | 3.0±0.5 | |
25 | Opening speed | m/s | 5.0±0.5 | |
26 | Main loop resistance | μΩ | ≤40 | |
27 | Rated SF6 pressure (22°C gage pressure) | Mpa | 0.6 | |
28 | Alarm/lock pressure(20°Cgage pressure) | Mpa | 0.55/0.50 | |
29 | Annual leakage rate of SF6 gas | ≤1% | ||
30 | Gas moisture content | ppm | ≤150 | |
31 | Machinery life | time | 6000 | |
32 | Radio interference level | uv | ≤2500 | |
33 | Creapage distance | Across the isolating distance | mm | 3150,3906 |
To earthing | mm | 3150,3906 | ||
34 | Filling SF6 Gas quality for each | kg | 10 | |
35 | CB quality for each | kg | 1300 | |
132kV SF6 outdoor circuit breaker
