THT-TNP series transformer neutral grounding protection device
The product produced by our company is strictly designed and manufactured in accordance with relevant national and industry standards such as GB311.1-1997 "Insulation Coordination for High Voltage Transmission and Transformation Equipment", DL/T620-1997 "Overvoltage Protection and Insulation Coordination for AC Electrical Equipment", and "18 Major Anti Accident Measures for Power Grid" (State Grid Corporation of China). Dedicated to the neutral circuit of 110kV, 220kV, and 330kV power transformers, achieving two different operating modes of transformer neutral grounding and ungrounded switching. Avoid damage to the transformer caused by an increase in neutral point voltage due to system faults and other reasons.
This product is widely used in fields such as power, metallurgy, coal, petrochemical, chemical, mining, construction, environmental protection, etc.
◇Continuously innovating technology, making product design, calculation, process, manufacturing, etc. more comprehensive, accurate, professional, and reliable;
◇The installation area is not limited and different design schemes can be provided according to the characteristics of different areas;
◇The product design adopts serialization and modularization, with small size, easy selection, installation, and debugging；
◇The installation bracket can be made of seamless steel pipes, which are stable and have a beautiful appearance；
◇It can be equipped with an intelligent control unit to achieve electrical data upload；
◇The core materials (such as lightning arresters, insulators, etc.) are sourced from first-class domestic manufacturers to improve the overall quality of the equipment;
◇The equipment is designed for extreme disaster weather with a 50 year return period；
◇Equipped with a complete set of high-voltage testing equipment and testing procedures, ensuring a 100% factory pass rate of products.
|THT-TNP-110/220/330/Ⅰ||110 kV或220kV或330kV||Protective gap (hereinafter referred to as gap)|
|THT-TNP-110/220/330/Ⅱ||110 kV或220kV或330kV||Gap+isolation switch|
|THT-TNP-110/220/330/Ⅲ||110 kV或220kV或330kV||Gap+isolating switch+lightning arrester|
|THT-TNP-110/220/Ⅳ||110 kV或220kV||Gap+isolating switch+lightning arrester (compact)|
注：1、If an intelligent control unit needs to be added, add the letter "- Z" after the original model;For example, after adding an intelligent control unit to THT-TNP-110/II, the model is: THT-TNP-110/II-Z.
12、The equipment support structure can be selected according to on-site requirements.
◇Environmental parameters: installation location and environment;
◇The nominal system voltage of the transformer;
◇Neutral insulation level;
◇Provide specific technical requirements based on the selected configuration plan.
Address：2777 Xiangyang North Street, Baoding City, Hebei Province