PRODUCT
Integrated device
Box-type substation
High-voltage switchgear
Medium-Voltage Switchgear
Low-Voltage Switchgear
Transformer
Components
6kV–132kV Vehicle-Mounted Mobile Substation
The vehicle-mounted mobile substation is primarily designed for use in emergency situations to replace conventional substations, alleviate insufficient power supply capacity during peak-load seasons, or serve as a temporary substation ready for immediate operation. It can swiftly take over from a standard substation and restore power supply—once the substation arrives on-site, all that’s required is connecting the input and output-side cables before it’s ready to go online. Mobile substations boast several outstanding advantages, including a simple and compact design, easy mobility, reliable performance, straightforward and rapid operation, minimal maintenance needs, and a high degree of Intelligent (intelligent functionality). Additionally, the pre-assembled semi-trailer-mounted mobile substation can be custom-designed according to specific user requirements, allowing it to be configured—either as a single unit, dual units, or even multiple vehicles—to suit the user’s unique operational conditions.
12–40.5 kV Prefabricated Cabin-Type Substation
The 12–40.5kV prefabricated substation is a new product developed by Tianan Electric, based on the State Grid’s core principles of "standardized design, modular combination, factory-prefabrication, and streamlined construction," with the goals of "minimal land use, cost savings, high reliability, and enhanced construction efficiency."
LW39-126 Outdoor AC High-Voltage SF6 Circuit Breaker
The LW39-126 outdoor AC high-voltage porcelain-pole SF6 circuit breaker is designed for use in power systems with a frequency of 50 Hz and a rated system voltage of 110 kV. It serves as a key piece of electrical equipment for control and protection in power plants and substations.
XGN49-40.5(24) Gas-Insulated Metal-Enclosed Switchgear (C-GIS)
The XGN49 series of indoor gas-insulated metal-enclosed switchgear (C-GIS), hereinafter referred to as the XGN49-40.5(24) gas-insulated cubicle, is a high-tech product independently developed by Tianan Electric. It employs vacuum arc-extinguishing and SF6 gas insulation technology, achieving a technical level that is domestically leading and internationally advanced.
GCS Low-Voltage Switchgear
Suitable for all power generation, distribution, and consumption sites, it plays a crucial role in the power systems of users such as power plants, substations, industrial and mining enterprises, hotels, and ports, providing functions like 380V/220V power distribution, system monitoring and protection, as well as control and protection for electrical facilities and equipment.
110kV Power Transformer
The 110kV power transformers developed and produced by Tianan Electric are a successful series of products, created through continuous exploration and refinement—built upon the foundation of assimilating advanced transformer manufacturing technologies from both domestic and international sources, combined with the company's own extensive production experience. As a result, the reliability and performance metrics of these products have all reached domestically advanced levels.
VS1 Series High-Voltage Vacuum Circuit Breaker
The VS1 (ZN63A)-type indoor high-voltage vacuum circuit breaker is switching equipment designed for 12kV power systems, serving as the control and protection unit for electrical facilities in industrial and mining enterprises, power plants, and substations. Due to the inherent advantages of vacuum circuit breakers, they are particularly well-suited for applications requiring frequent operations at rated working current or multiple interruptions of short-circuit currents. This circuit breaker complies with the standards GB1984-89 "AC High-Voltage Circuit Breakers," JB3855-1996 ("3.6~40.5kV Indoor AC High-Voltage Vacuum Circuit Breakers"), DL403-2000 "Technical Specifications for Ordering 10-40.5kV High-Voltage Vacuum Circuit Breakers," as well as the relevant requirements outlined in IEC 56 (Publication 87).
About Us
Tianan Electric
Founded in 1969, Tianan has grown from a small factory to become a comprehensive power equipment solution provider integrating R&D, manufacturing, sales, and engineering services. Over more than five decades, we have actively participated in and witnessed the rise of China's power transmission and transformation industry.
Power Station Solutions: Vehicle mounted mobile substation, prefabricated substation, and various transformers to flexible and intelligently meet divers power usage scenarios.
Complete Switchgear: High-voltage intelligent switchgear (gas-insulated type, withdrawable type, fixed type, RMU) and various low-voltage intelligent switchgear.
Core Components: Intelligent circuit breaker, load switch, and isolation switch, etc., ensuring the safe and stable operation of power grids.
Development History
The company was established
Total investment
Land area
Application areas
High-speed rail
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Subway
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Port terminal
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Ship
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Steel mill
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NEWS
2025-12-17
EU Tightens Transformer Rules for 2028
In November 2025, the European Union officially adopted a new ecological-design and energy-efficiency regulation for transformers—Regulation (EU) 2025/2052—hailed by industry as “the strictest transformer directive ever”. Some Key points as below:
Ningbo Tian’an Jinghua Electric Power Technology Co., Ltd. (hereinafter referred to as “Tian’an Electric”) has once again delivered good news: it has successfully passed the “Level-3 Digitalization Certification for Manufacturing Enterprises” and been awarded the title of “Three-Star Green Factory in Ningbo High-tech Zone.” These two prestigious certifications mark a dual breakthrough for the company in the fields of intelligent manufacturing and sustainable development, highlighting its strong potential for high-quality growth.
Xiangshan Automobile and Ningbo Automobile have successfully passed the acceptance check for their digital transformation, advancing side by side toward a new stage of intelligent manufacturing.
Contact us
Address: No. 816 Jinghua Road, Ningbo National High-tech Zone, Zhejiang Province
Phone: +86-0574-87916011 (International)
E-mail: export@tianandl.com
Phone: +86-0574-87900000 (Domestic)
Email: sales@tianandl.com
Copyright © Tianan Electric