Product Specifications
| Prod Model: |
THT-FZG |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Structure: |
Open Frame |
| Type: |
Lighting |
| Brand: |
Tianwei Hengtong |
Product Description
Brief introduction
Operation Environment
2.1 Apply to indoors
2.2 Ambient temperature: between -40 and +40 centigrade
2.3 Altitude shall not exceed 3000m
2.4 Relative humidity lower than 95% (25 centigrade)
2.5 Power grid frequency: 58-62Hz (60Hz system), 48-52Hz (50Hz system)
2.6 The installation site shall be free from chemical corrosion, vapor or explosive dust
3. Parameters of grounding transformer
3.1 Insulation class:H
3.2 Temperature rise:≤100K
3.3 Cooling:AN
3.4 Protection Level: for paper-insulated dry type grounding transformer, the PI is divided into IP00 (no enclosure), IP20and IP23 (with enclosure) .
3.5 Insulation level, impedance voltage on-load loss and no-load loss are according to relevant national standards.
3.6 Insulation resistance testing: high voltage-low voltage and to earth≥300MΩ,and low voltage-earth≥100MΩ.
Structure of complete device
1. Composed elements
Dry type single-phase grounding transformer, resistor, disconnector, surge arrestor and so on. CT is also equipped in the enclosure which measures neutral current and outputs analog quantity
2. Cubicle outline
Ordering instruction
1. Please provide the following information when place the order
2. grounding transformer transformation ratio and resistance
3. Grounding transformer insulation form (dry or oil-immersed)
4. Current transformer transformation ratio
5. Wiring-in from the top or bottom
6. Time of fault current flowing-through
7. Material, IP and color of enclosure and installation site
8.The Mix order quantity :one set .
3.transport
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.
