Company Profile
Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable transformer manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations and high and low voltage complete sets of equipment.The equipment put into production and operation of the project advocates energy saving, intelligence, information and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center,with 71 utility model patents and 15 invention patents.With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa and other regions, covering more than 40 countries.
Product Description
Function and features:
1. Using prefabricated touchable silicone rubber cable head, fully sealed, fully insulated, maintenance-free, reliable to ensure personal safety;
2. Compact structure, small and beautiful appearance, stainless steel double-layer rice body, service life can reach more than 20 years;
3. Under the premise of not affecting the operation of the main network, regional power outage maintenance is realized to reduce the scope of power outage;
4. It can be equipped with one or more SF6 load switches. Flexible wiring mode, branch out line up to 8 loops;
5. Optional lightning arrester, short circuit fault indicator, current limiting fuse, etc., to meet various requirements of users.
Product Parameters
| No. |
Name |
Parameter |
| 1 |
Rated voltage |
12kV |
| 2 |
Rated current |
630A |
| 3 |
Power frequency voltage withstand (grounding) |
42kV/min |
| 4 |
Lightening impulse voltage |
75kV |
| 5 |
Rated breaking current |
630A |
| 6 |
Rated short-circuit opening and closing current (peak) |
50kA |
| 7 |
Rated short-time withstand current |
25kA/4S |
| 8 |
Rated peak withstand current |
50kA |
| 9 |
Rated breaking capacitance current |
45A |
| 10 |
Rated breaking inductance current |
16A |
| 11 |
Full-load breaking times |
>100 |
| 12 |
Mechnical operational times of opening and closing |
2000 |
Outline Diagram Examples
DFW-102K DFW-114K
DFW-112K
1. Incoming cable connector 2.Outlet cable connector 3.Branch cable connector
Technical Requirement
1. The inside of the brick wall shall be sealed with 1:3 cement mortar and treated with waterproof;
2. φ6 concrete operation is adopted for beam threading;
3. The basic channel steel must be treated with anti-corrosion after production;
4. After the branch box is installed, seal the base with cement.
5. Waterproof measures shall be taken at the entrance of manhole;
6. The grounding electrode should be embedded in the foundation, and the grounding resistance should meet the requirements of the power department.
After Sales Service
1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. We have train technical and operating personnel for you.
2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.
3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!
Packaging & Shipping
Certifications
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