
12 Kv outdoor Load Switch / High Voltage Disconnect Switch For Electric Power System
AC High Voltage outdoor Load Switch
NINGBO TIANAN (GROUP) CO., LTD.
Main Characteristics
Rated voltage from 72,5 to 550kV
Reliable in adverse operating conditions such as high winds and
heavy ice
Always stable in the close position during short circuits
Rigid and well supported terminal pads permit post insulators and
additional space savings
Galvanized structural steel channel base assures high strength and
rigid design
Supplied or easily retro-fitted with 1 or 2 earthing switches
Customised solutions available: vertical, underhung and
phase-to-phase
Specifications
1. Can used in three-phase AC 50Hz ,24kV electric power system ,
2. Can used in the equipment of mining and
industry ,enterprise, power plants and substations for protect and
control .
3. Can used in KYN28A-24(GZS) switchgear
cabinet and XGN fixed type switchgear cabinet.
4. Has Advanced vacuum arcing chamber.
5.insulation cylinder made by APG new technology
6.Confirmed to GB1984-2003, GB/T11022-1999 ,IEC62271-100 , DL/403
Using environment
1. The temperature in surrounding air: Max:+40°C~Min -15°C,The
average:<=+35°C
2. Humidity: The average of relative temperature within 24hours is
<=95%, The average of Water
vapour pressure within 24hours is <=2.2kpa.
3. Here is no serious pollution from dust, smoke,corrosive or
combustible gas,
vapor or salt spray, and so on.
General
FN12 Series AC HV Load Switch is a kind of three phase high voltage
switch apparatus, suitable for
12kV rated voltage, 50Hz rated frequency alternative current, It is
mainly used in downtown power distribution station and industrial
electric equipment of three phase ring main unit electricity circle
or terminal power supply, for breaking and closing short circuit
current.
Service Condition
1. The altitude does not exceed 1000m.
2. The ambient air temperature: Highest:+40oC, the lowest:-10oC
3. The relatire Humidity of air not bigger 90% (around the 25oC
envirenment)
4. The working situation have no conductivity dust.
5. The working situation have no corrosive gas of affect insulation
and destroy metal.
6. The working situation without violent vibration and striking.
7. The working situation have no explosive danger and fire.
Technical parameter
No. | Item | unit | Parameter |
1 | Rated Voltage | kV | 12 |
2 | Max. Working Voltage | kV | 12 |
3 | Rated Frequency | Hz | 50 |
4 | Rated Current | A | 100 |
5 | Rated Short-circuit Switch-off Current | kA | 50 |
6 | 1min Power Frequency Withstand voltage(value), to ground, interphase/isolation break | kA | 42/48 |
7 | Lighting Impluse Resisting Voltage (peak) to ground, interphase/isolation break | kV | 75/85 |
8 | Fuse Link Striking Output Energy | Kg | ≈5 |
Technical Parameter of load switch with fuse | |||
No. | Item | Unit | Parameter |
1 | Rated Voltage | kV | 12 |
2 | Max. Working Voltage | kV | 12 |
3 | Rated Frequency | Hz | 50 |
4 | Rated Current | A | 630 |
5 | Rated Power load switch-off current | A | 630 |
6 | 5% rated power load switch-off current | A | 31.5 |
7 | Rated capacity switch-off current | A | 10 |
8 | Rated inductance switch-off current | A | 40 |
9 | Rated transfer current | kA | 1.3 |
10 | Rated short-time withstand current | kA | 20 |
11 | Rated peak withstand current | kA | 50 |
12 | Mechanical endurance | cycle | 2000 |
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.