Product Specifications
| Prod Model: |
THT-ZT |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Location: |
Outdoor/Indoor |
| Rated Frequency: |
50/60Hz |
| Resistor Material: |
Nichrome, Stainless Steel |
| Enclosures Protection Level: |
IP55 |
| Technology: |
Intellect Controlled Unit |
| Lifetime: |
30 Years |
| Structure: |
Open Frame |
| Type: |
Distribution Metering Box |
| Brand: |
Tianwei Hengtong |
Product Description
ZT Transformer neutral grounding resistor cabinet
1. About us:
Our company was established on May,2003. We are one of the leading manufactures which is specialized in the neutral grounding protection equipments. We have our own factory of production workshop which covers an area of 30000 square meters and there are more than 200 employees. With more than 10 years of development, we have won the first brand domestically in this industry. Our products are also exported to Southeast Asia, Africa, Russia, the United States, the Middle East and other countries and region.
2. Product description
2.1THT-ZT neutral grounding resistor cabinet (NGR or NER) are used in medium-voltage AC distribution networks to limit the current .
2.2.Material:cold rolled steel ,steel, stainless steel ,aluminum, mild steel and galvanized steel plate ,etc.
2.3 parameters Description:
Standard: IEEE 32; IEC 60298
IEC 60071-1;
IEC 60072-2;
Method of cooling:Naturally air cooled
Installation:Outdoor installation or outdoor
Rated system voltage:66KV 35KV 10KV
Rated phase voltage- rated voltage earthing resistor:
Power Range: 1-5000A
Voltage range: 220V-110KV
Power Factor Range: 0.5R-1000R
Dielectric Strength: AC2.5KV-260KV/1min 50H (zoptional)
IP Class: IP00-IP56H (optional)
Rated Temperature Rise: 760°C
Temperture drift: 200ppm/°C
3. Working conditions
maximal/minimal ambient air temperature: 40ºC/-25 ºC
Maximal/minimal barometer pressure: 1030 bar/940 ba
Maximal relative humidity: 100%
Elevation: ≤1000 m
Wind speed, maximal during the year: 34m/s
Isokeraunic level:
Seizmic conditions: Nil
Minimal technical requirements
Introduction of compact transformer cubicle-type substation
Cabinet material Stainless steel plate, aluminium alloy, cold-rolled steel, composite color plate, Glass fiber reinforced cement board and etc.
Resistor will be complete with lifting eye, the access holes, grounding connections, links and bushings suitable for phase voltage systems and fasteners with screws or clasps.
Style: Popular type, villa type, compact type and other various types.
4.Packing Detail:
1. As customer's requirement.
2.Wood pallet can be filled the following container: 20 plain container:5.69mX2.13mX2.18m,Gross weight 17.5 tons, Cubage 24-26 square meters; 40 plain container:11.8mX2.13mX2.18m,Gross weight 22 tons, Cubage 54 square meters; 40 high container:11.8mX2.13mX2.72m.Gross weight 22 tons, Cubage 68 square meters; 45 high container:13.58mX2.34mX2.71m,Gross weight 29 tons, Cubage 86 square meters.
5. Regular Technical Particulars for reference
| Type | Rated Voltage(KV) | Short Time Current(A) | Flow Time (S) | Resistance Value(Ω) | Outer Dimensions |
| THT-ZT-6/34.64 | 6 | 100 | 10 | 34.64 | 1200x1200x1870 |
| THT-ZT-6/17.32 | 6 | 200 | 10 | 17.32 | 1200x1200x1870 |
| THT-ZT-6/8.66 | 6 | 400 | 10 | 8.66 | 1200x1200x1870 |
| THT-ZT-6/5.77 | 6 | 600 | 10 | 5.77 | 1200x1200x1870 |
| THT-ZT-10/14.43 | 10 | 400 | 10 | 14.43 | 1200x1200x1870 |
| THT-ZT-10/9.62 | 10 | 600 | 10 | 9.62 | 1200x1200x1870 |
| THT-ZT-10/7.22 | 10 | 800 | 10 | 7.22 | 1200x1200x1870 |
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| THT-ZT-10/5.77 | 10 | 1000 | 10 | 5.77 | 1200x1200x1870 |
| THT-ZT-35/20.21 | 35 | 1000 | 10 | 20.21 | 2760x2600x2000 |
| THT-ZT-35/10.10 | 35 | 2000 | 10 | 10.10 | 2760x2600x2000 |
6: Transportation
By sea
Baoding Tianwei Hengtong Electric Co., Ltd is a holding subsidiary of Tianwei Group, located in "China Power Valley"-Baoding High-tech Industrial Development Zone, boasting a national high-tech enterprise always adhering to its strategic objective of "become a brand enterprise in the power industry, and creating a domestic well -known enterprise group", closely serving the national construction of smart grid and new energy, developing related equipment, and striving to become a domestic leading power equipment supplier to contribute to the development of national power industry.
This Company is a domestic professional manufacturer of power system neutral grounding products, mainly including: Transformer neutral grounding resistor cabinet, generator neutral grounding resistor cabinet, transformer neutral grounding protection device, biasing magnetic (loop-tuning type) arc-suppression coil automatic tracking compensation control system, intelligent transformer cooling control system, arc integrated protection system and other products. Our company boasts the first brand domestically for neutral grounding products, and has obtained a number of national patent certificates, with the technical level leading in China.
Our company completely implements ISO9001 quality management system, and always adheres to the quality principle of "continuous improvement for excellence; Full service for customers' satisfaction". Our products have passed the state-level inspection, with a number of product inspection reports kept.
Our products are widely used in power generation systems, power transmission systems, new energy, rail transportation, metallurgy, chemical industry, mining and other areas. We have established a nation-wide marketing network, and our products sell well all over China; In addition, our company has established good relations with China National Machinery Import & Export Corp., China Huadian Engineering Co., Ltd, Sichuan Dongfang Electric Corporation, Central China Power Co., and a number of other import and export companies, and our products have been exported to more than 40 countries and regions, such as India, Indonesia, Kazakhstan, Turkey, Vietnam, Burma, Papua New Guinea and Sudan.
Our company attaches great importance to the construction of corporate culture, and takes corporate culture as the soul of the company's development. Our enterprise's purpose is to create a brand enterprise, provide famous products and serve the society. We advocate the enterprise spirit of "self-confidence and self-excellence". We have established our core value of "serving the customers and the society with the best products, leading services and excellent corporate image" as the common pursuit of all employees.
