
145kV Tested High Voltage AC Circuit Breaker SF6 Type With 3 Pole
Overview
LW36-145/T3150-40 HV AC SF6 circuit breaker is an outdoor product.It can also be used as a connection circuit breaker.
1. Altitudes : ≤ 2000m (product designs for 3000m are available)
2. Environment temperautere: -30ºC~+40ºC
3. Pollution grade: Class iV
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 | ||
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 |
Ningbo Tianan (Group) Co.,Ltd.
Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales offices, and its total asset is 4.2 billion Yuan, over 3500 employees.
As an outstanding representative of Chinese-made, our enterprise is in the steady development and growth in the tide of reform and opening up.
In1976,our production mode transforms from Labour products to the manufacturing process;
ln1982,the Xiangshan local state- owned high-voltage electric factory was founded,we start the professional development of electrical apparatus ;
In1994,we reorganized and established joint- stock company, enngraver to be an international group ;
In 2005, our group ranked the No. 225 in competitiveness of China's top 500;
According to national development,we expand five major industrial, such as the high voltage apparatus, renewable energy equipment, intelligent grid and rail transit equipment,and magnetic gear in order to achieve the business strategic abjectives.
Over these years, our company stand for independent innovation and to build low-carbon economic development
model.Annual R & D expenses accounted for more than 5% of
corporate sales.We have mastered the core technology of
transformation and distribution equipment and core self-supporting
ability long since.Our self- developed prefabricated substation,
ring main unit, load switch, wind power switchgear, inelligent grid
systems and many other products achieved the international advanced
level,By the way, we are the one of the companies who draft the
national standards about that.
Tianan has the certification and honour involves China famous
brand,China top brand,National inspection- free products and
ISO9001 quality system, IS014001 environmental management system,
OHSAS 18001 occupational health and safety management system. the
inspection measurement and certification system and
"CCC","PCCC",etc.Also we equipped with business efficient and
flexible management mechanism, large number of outstanding
professionals, first-class production and testing equipment,
high-level research and development strategy, Quality is the
character" concept, perfect quality management system and quality
assurance,sales and marketing network all over the
country,which forms to provide customers with excellent
support system of resources.
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. Whether in the Shenzhou spacecraft launching base,the Sanxia power plant, Qinghai-Tibet railway, Qingshan nuclear power station, or domestic subway, Olympic venues. International airport. wind farms and so on.Our projects applied in more than 30 countries and regions all over the world. Our main products includes
- 126kV&252kV power transformer,resin-Cast Dry-type & Oil-immersed Power transformer,Combined transformer
- 252kV and below 252kV outdoor HV disconnecting switch and transformer,
- Boxtype substation below 40.5kV,Prefabricated substation and cable (RMU)branch box
- High Voltage &Medium Voltage&Low Voltage switchgear
- Ring main unit switchgear, mid-mount switchgear, fixed switchgear, GIS switchgear,frequency conversion switchgear,
- 126kV GIS combination apparatus,
- SF6 circuit breaker,Vacuum circuit breaker ,H. V. &L. V. Circuit breaker,
- High-voltage inverter speed regulation device, high-voltage static reactive power Generator, active power filter, intelligent electric equipments, etc.
Seeing is believing, Tianan Group sincerely welcome all new and old customers and friends come to our company for a visit or inspection.