Place of Origin: | China |
Brand Name: | Tianan Electric |
Certification: | ISO9001-2000 CE UL |
Model Number: | LW36-145/3150 |
Minimum Order Quantity: | 10 unit |
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Price: | Pending |
Packaging Details: | Wooden Case |
Delivery Time: | 40 work days |
Payment Terms: | L/C, T/T |
Supply Ability: | 1000 PCS/year |
Operation: | Electric Type | Arc-extinguishing Medium: | SF6 |
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Rated Voltage: | 132/145KV | Poles Number: | 3 |
Function: | Overcurrent Protection | Altitude: | ≤3000m |
Ambient Temperature: | -35℃~+40℃ | Wind Sppd: | 132 / 145kv |
Product Name: | Porcelain Clad 145kv Sf6 High Voltage Vacuum Circuit Breaker Ul | ||
High Light: | 145kv High Voltage Vacuum Circuit Breaker,SF6 High Voltage Vacuum Circuit Breaker,porcelain clad vacuum circuit breaker UL |
Porcelain Clad 145kv SF6 High Voltage Vacuum Circuit Breaker UL
General of Porcelain Clad 145kv SF6 High Voltage Vacuum Circuit Breaker UL
LW36-145 type outdoor AC HV porcelain SF6 circuit breaker is applied in power system with 50Hz frequency, 110kV system normal voltage. It is the main power equipment used in power plant and substation for control and protection.
LW36-145 type outdoor AC HV porcelain SF6 circuit breaker is equipped with CT type spring operation mechanism and three phase mechanical linkage operation.
LW36- 145 type outdoor AC HV porcelain SF6 circuit breaker is filled with SF6 gas with well arc-extinguishing and electric insulation performance. Double-circle O type seal ring is used for preventing leakage effectively.
LW36-145 type outdoor AC HV porcelain SF6 circuit breaker is a new type of high voltage SF6 circuit breaker with high performance, which is designed according to national standards and combine domestic industry made technic. The main features are as follows:
Service condition of Porcelain Clad 145kv SF6 High Voltage Vacuum Circuit Breaker UL
Altitude ≤ 3000m
Ambient temperature -35ºC~+40ºC
Wind speed ≤35m/s
Daily temperature difference ≤25ºC
Sunlight temperature 0.1w/cm²
Relative humidity Average (monthly): ≤ 90%
Average (daily): ≤ 95%
Ice thickness ≤ 10mm
Earthquake ≤ 9 °
Pollution grade III
Porcelain Clad 145kv SF6 High Voltage Vacuum Circuit Breaker UL Parameters
Table 1
No. | Items | Unit | Parameters | |
1 | System nominal voltage | kV | 145 | |
2 | Rated voltage | kV | 132 | |
3 | Rated frequency | Hz | 50 | |
4 | Rated current | A | 3150 | |
5 | Rated short-circuit breaking current | kA | 31.5 | 40 |
6 | Rated short-circuit making current | kA | 80 | 100 |
7 | Rated short time withstand current/time | kA/s | 31.5/4 | 40/3 |
8 | Rated peak withstand current | kA | 80 | 100 |
9 | First-pole-to-clear factor | 1.5 | ||
10 | Lightning impulse withstand voltage | kV | 650 | |
11 | 1min power frequency withstand voltage | kV | 275 | |
12 | Creepage distance fracture/to earth | cm/kV | 250/250 | |
13 | Rated operation order | O-0.3s-CO -180s-CO |
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14 | Making time | ms | ≤110 | |
15 | Breaking time | ms | ≤65 | |
16 | Closing-opening time | ms | ≤100 | |
17 | Closing non-simultaneity | ms | ≤5 | |
18 | Opening non-simultaneity | ms | ≤3 | |
19 | Fracture no of per pole | piece | 1 | |
20 | Mechanical endurance | time | 6000 | |
21 | SF6 gas pressure Rated value (20ºC) Alarm value The lowest function pressure |
MPa MPa MPa |
0.55 0.50 0.45 |
0.60 0.55 0.50 |
22 | SF6 moisture content | ppm(V/V) | ≤150 | |
23 | SF6 yearly air leakage percentage | ≤1% | ||
24 | Per set circuit-breaker SF6 gas charging weight | kg | 9 | 11 |
25 | Gross weight of per set circuit-breaker | kg | 2200 | |
26 | Sub-static pull on wiring longitudinal terminal of circuit-breaker horizontal vertical |
N N N |
1250 750 1000 |
|
27 | Voltage of auxiliary circuit | V | AC220 | |
28 | Opening-closing coil rated voltage rated current |
V A |
DC220 or DC110 1.29 |
|
29 | Energy Storage motor rated voltage rated power |
V W |
AC220 or DC 220 700 |
|
30 | Energy storage time | s | ≤15 | |
31 | Heater voltage power |
V W |
AC220 100 |
|
32 | Standards | GB1984 |
3.2 Mechanical parameters of circuit breaker
Table 2
No. | Name | Unit | Parameters |
1 | Contact travel of moving-contact | mm | 38~42 |
2 | Main drive lever travel of mechanism | mm | 113~118 |
3 | Distance between opening movable and static contact | mm | 75~80 |
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