145KV High Voltage Vacuum Circuit Breaker
| Price: |
US $ 29000/Piece |
| Trade Terms: |
FOB |
| Min Order: |
1/Piece |
| Pay Type: |
L/C,T/T |
General
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:
High breaking level, break reliably when outgoing terminal is in short circuit, out of phase and fault in near zone.
Structure of arc-extinguishing chamber is simple, reliable and convenient to maintain.
Long service life, have 16 times' breaking ability under full capacity and free of maintenance under normal operation in 10 years.
Light operation force, adopts compact spring operation mechanism with simple and reliable.
Rated charging pressure of gas is low and hard to fluidify in low temperature.
Small occupied area.
Low noise level and suitable to apply in residential area.
Long overhaul period and less maintenance.
Short installation time on the spot.
Reliable and safe operation as well as convenient maintenance.
Service condition:
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
3. Specification and parameters
3.1 Main technical parameters of circuit breaker:
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 |
| 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 |
| 23 | SF6 moisture content | ppm(V/V) | ≤150 |
| 24 | SF6 yearly air leakage percentage |
| ≤1% |
| 25 | Per set circuit-breaker SF6 gas charging weight | kg | 9 | 11 |
| 26 | Gross weight of per set circuit-breaker | kg | 2200 |
| 27 | Sub-static pull on wiring longitudinal
terminal of circuit-breaker horizontal
vertical | N
N
N | 1250
750
1000 |
| 28 | Voltage of auxiliary circuit | V | AC220 |
| 29 | Opening-closing coil rated voltage
rated current | V
A | DC220 or DC110
1.29 |
| 30 | Energy Storage motor rated voltage
rated power | V
W | AC220 or DC 220
700 |
| 31 | Energy storage time | s | ≤15 |
| 32 | Heater voltage
power | V
W | AC220
100 |
| 33 | 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 |
| Prod Model: |
LW36 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| System Nominal Voltage: |
145 |
| Rated Voltage: |
132 |
| Rated Frequency: |
50 |
| Rated Current: |
3150 |
| Altitude: |
≤ 3000m |
| Ambient Temperature: |
-35oC~+40oC |
| Wind Speed: |
≤35m/s |
| Daily Temperature Difference: |
≤25oC |
| Sunlight Temperature: |
0.1W/cm² |
| Earthquake: |
≤ 9 ° |
| Breaking Capacity: |
High Voltage Circuit Breakers |
| Operation: |
Electric Type |
| Speed: |
High-Speed Circuit Breaker |
| Arc-extinguishing Medium: |
SF6 |
| Installation: |
Fixed |
| Structure: |
ACB |
| Poles Number: |
2 |
| Certification: |
ISO9001-2000 |
Ningbo Tianan (Group) Co., Ltd. Was founded in 1969, is a national large
Enterprise, national key high-tech enterprise, industry key enterprises and Zhejiang provincial leading enterprise in power transmission and transforming
Industry. Under the company there are 1 R&D center, 10 specialized subsidiary
Companies, and more than 70 marketing offices. There are more than 2500 emplo--yee working in headquarter. The total asset sums up to 3.8 billion yuan (RMB).
The output value sums up to 5.0 billion yuan (RMB). Group competitiveness ranks in the first 225 in China's top 500.
Tianan Group is one of the domestic manufacturers and scientific research
Enterprises of power transmission and transforming industry featuring largest scale, most variety, full specifications, and best quality. Besides, the company owns abundant technical development strength, the international first-class production
And test equipments, efficient and flexible management mechanism, a great
Number of outstanding professional talents. "Quality is personality" is our concept. It has sufficient quality management system and quality assurance, all over the world's sales service network. All the above constructs excellent resources support system for customers.
Now the products include 126kV GIS combination apparatus, SF6 circuit breaker, 126kV&252kV power transformer, 252kV and below 252kV outdoor HV disconnecting switch and transformer, boxtype substation below 40.5kV, ring main unit
Switchgear, midmount switchgear, fixed switchgear, GIS, L. V. Switchgear, frequencyconversion switchgear, H. V. Load switch, H. V. &L. V. Circuit breaker, cable (RMU)
Branch box, fuse, current transformer (CT), dry-type & oil-immersed transformers,
High-voltage inverter speed regulation device, high-voltage static reactive power
Generator, active power filter, intelligent electric equipments, etc. The products
Are widely used in nuclear power plant, chemical plant, railway, underground,
Airport, national defense, Beijing Olympics and main national, provincial and municipal construction projects.
Tianan has already obtained "China's well-known trademarks ", "China's brand
-name products ", "National Product Exempting from Inspection ". The ISO9001 quality guarantee system, the ISO14001 environment management system and
The OHSAS18001 occupation healthy safety control system through the national authentication, "CCC", "PICC" authentication certificate, which Tianan obtained comparatively early. The products cover all over the country and abroad five continental countries. Especially, our products applied to the Shenzhou V, Shenzhou VI,
Shenzhou VII manned spacecraft and the construction of Qinghai-Tibet railway. The practice has proved Tianan's products have the outstanding performance
That can withstand the test of bad environment.
In recent years, many prizes have been awarded to Tianan, such as: National May1st Labor Prize, National Innovation-based Pilot Enterprise, National Mechanical
Industrial Management Demonstration Enterprise, National Mechanical Industry
Civilized Company, Zhejiang Province "a group of five" key business, Province Quality Control Prize and so on. Chairman of the Board Jiang Baomin is the national model labor and the outstanding entrepreneur.
The "Tianan Electric town" which covers an area of more than 600, 000 square
Meters and RMB 1.2 billion has been invested has been put to use. To the end of 2011, Tianan has put it into an integrated, intellectualized and modernized
Enterprisewith the combination of scientific research, manufacturing, management and culture as "the aircraft carrier" in power transmission and transforming
Industry.
Seeing is believing, Tianan Group sincerely welcome all new and old customers
And friends come to our company for a visit or inspection.
