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Metal Clad Gas Insulated Switchgear SF6 Ring Main Unit Medium Voltage Switchgear
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Brand Name:Tianan Electric
Model Number:HXGT6-12
Certification:CCC ISO9001:2000
Price:Pending
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:2000 PCS/year
Delivery Time:35 workdays
Company Data
Verified Supplier
Contact Person
Lian Huanhuan
Business Type:
Manufacturer Exporter Trading Company Seller
Officials:
3/F, Building B7 , 999 Yangfan Road,High-tech Zone, Ningbo, China 315040
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
Metal Clad Gas Insulated Switchgear SF6 Ring Main Unit Medium Voltage Switchgear
Product Description
HXGT6 (XGN58)-12 SF6 Ring Main Unit Switchgear is designed and developed by our company based on actual power supply situation of our nation. It is a new generation indoor 10kV MV electric appliance, and can be applied in city grid transformation and construction, the product is subjected to type test and commissioning examination, the performance indexes meet the requirements of IEC 298 “AC Metal Closed Switchgear”. It processes the advantages of small volume, low weight, simple operation, safe use, high reliability without influencing by environment and weather and maintenance-free.
The switchgear is a kind of composite apparatus which seals all main circuits in a metal enclosure and take SF6 gas as arc extinguishing and insulation medium. It is suitable for ring network power supply and double radiates power supply in 10kV MV power supply network. It is also used in terminal power supply. Due to the use of ring network power supply increases the reliability of power supply, it is specially used in mineral plants, residence area, schools, parks, and so on for power distribution and controlling. In addition, because of its convenient connection and installation, small volume, it is also used in the substation as high voltage equipment on primary side.
Features
a. Usually, RMU consists of three compartments. Load switchgear is arranged in sealed enclosure welded by stainless steel plate and filled with 0.04Mpa SF6 gas for arc-extinguishing and insulated media.
b. Load switchgear arranged inside has three positions, closing- disconnecting-earthing, all positions are shown by indicators in the panels of mechanism.
c. Cable connectors (bushing) are used for cable incoming and outgoing.
d. Compartments of the switchgear with a separate operation mechanism can realize manual operation or simultaneous manual and motor operation for opening and closing in the operation panels.
e. Fuse is installed in an epoxy canister at the middle of cabinet. The pin clashing mechanism of fuse is connected with the tripping device of operation mechanism of load switch. When a failure happens and fuse breaks, the trip mechanism will be triggered and then causes load switch to trip.
f. Load switch adopts arc rotation to extinguish arc , service life of contacts is long.
g. There is a pressure gage in the front of switchgear for detecting the pressure of SF6 gas inside the cubicle
h. To prevent too high gas pressure in equipment caused by a circuit failure, a pressure releasing device is installed at the bottom of the switchgear.
Switchgear Basic Technical Parameters
| S/N | Item | Unit | Parameters |
| 1 | Rated Voltage | kV | 12 |
| 2 | Rated Frequency | Hz | 50 |
| 3 | Rated Load Switch Current | A | 630 |
| 4 | Rated Main Circuit Short-time Withstand Current (r.m.s) 3s | kA | 20 |
| 5 | Rated Main Circuit Dynamic Current (Peak) | kA | 50 |
| 6 | Rated Main Circuit Making Current(Peak) | kA | 50 |
| 7 | Rated Active Load Breaking Current | A | 630 |
| 8 | Rated Closed Loop Breaking Current | A | 630 |
| 9 | 5% Rated Active Load Breaking Current | A | 31.5 |
| 10 | Rated Cable Charging Breaking Current | A | 10 |
| 11 | Rated Transformer No-load Breaking Current | A | 1600kVA Transformer No-load Current |
| 12 | Rated Fuse Breaking Current | kA | 31.5 |
| 13 | Rated Transfer Current | A | 1500 |
| 14 | Full Capacity Breaking Times | Times | 100 |
| 15 | Mechanical Life | Times | 10000 |
| 16 | 1min Power Frequency Withstand Voltage to Earth, Between Phases/ Across the open gap | kV | 42/48 |
| 17 | Lightning Impulse Withstand Voltage to Earth, Between Phases/ Across the open gap | kV | 75/85 |
| 18 | SF6 Gas Rated Voltage (Gage Pressure is 20℃) | Mpa | 0.04 |
| 19 | SF6 Annual Gas Leakage Rate | ≤0.2％ | |
| 20 | Motor Operational Power Supply, Voltage | V | DC48, AC220, 110 |
| 21 | Closing Motor Current | A | 0.5 |
| 22 | Opening Current | A | 2.5 |
HV Fuse Technical Parameters
| S/N | Rated Voltage | Rated Fuse Current | Rated Fusant Current | Rated Breaking Current |
| XRNT | 12 | 40 | 6.3 10 16 20 25 31.5 40 | 31.5 |
| 100 | 50 63 71 80 100 | 31.5 | ||
| 125 | 125 | 31.5 |
Company Profile
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,
- H. V. Load switch, fuse, current transformer (CT),
- 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.
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