Product advantages
Technical Standards & Global Certifications
To guarantee seamless integration into international medium-to-high voltage power transmission and distribution markets, our 69kV power transformers are professionally engineered, manufactured and tested in strict accordance with worldwide authoritative industrial benchmarks, catering to regional power grid construction, industrial power supply and new energy supporting projects across the globe:
International Standards: Fully compliant with GB, IEC, GOST, EN, NF, and ANSI/IEEE industrial specifications. We support customized structural design, voltage grade adjustment and parameter optimization to fully adapt to local power grid operation rules, regional access policies and special operating requirements of different countries and regions. The products are applicable for conventional power distribution, photovoltaic/wind power grid connection and industrial heavy-load power supply scenarios.
Product Certifications: Authoritatively certified by ISO, CE, IEC, SABS, COC, CSA, and UL. All certification indicators meet international medium-high voltage power equipment market access thresholds, delivering guaranteed world-class operational safety, stable long-term operating quality and cost-effective comprehensive performance for global clients.
Key Product Advantages
Superior Grid Adaptability & Operational Stability: Validated by massive long-term field operational data in urban power distribution, industrial parks and new energy power supply scenarios. The 69kV transformer maintains stable output under complex extreme working conditions including drastic temperature fluctuations, high-altitude low-pressure environments, heavy dust, coastal salt fog corrosion and high-humidity climates. Additionally, it can effectively cope with frequent load fluctuations caused by distributed wind power, photovoltaic power stations and large-scale industrial intermittent loads, reducing grid operation failure risks.
Eco-Friendly & Low-Carbon Sustainable: Optional FR3 natural ester biodegradable insulating oil and environment-friendly low-loss silicon steel core materials are provided to effectively lower no-load loss and load loss of the equipment. Most core structural components such as iron cores, windings and fuel tanks support secondary recycling. The product helps power enterprises and industrial clients cut down comprehensive carbon emissions and operating energy consumption, perfectly matching global "Dual Carbon" goals and ESG sustainable development strategic layout.
Wide Global Market Layout: Our 69kV medium-high voltage power transformers have been put into stable long-term operation in more than 70 countries and regions across six continents. The products are widely applied in urban power grid reconstruction and upgrading, rural power popularization, industrial park centralized power supply, as well as wind and solar power supporting transmission projects in the United States, Canada, Southeast Asia, Africa, Oceania, the Middle East and Eastern Europe, efficiently solving power supply bottlenecks for commercial, industrial and utility-level power demand markets.
Why Choose Hengfengshuai Electric for Your 69kV Projects?
For medium-to-high voltage power transmission and distribution infrastructure projects covering urban power grids, industrial facilities and new energy stations, selecting a professional and cost-efficient transformer manufacturing partner is the core premise to control project cost, shorten construction cycle and ensure long-term stable power supply. The following advantages explain why numerous global EPC contractors, public power utilities, industrial enterprises and new energy groups choose to cooperate with Hengfengshuai Electric for 69kV transformer projects:
Tier-1 Engineering & Customized R&D Solutions
We abandon rigid standardized generic design and provide differentiated customized development services tailored to client demands. Our senior R&D and engineering team formulates exclusive one-stop manufacturing solutions based on multiple project variables including local climate environment, grid connection standards, load characteristics and installation conditions. The products adapt to multiple complex scenarios including high-altitude plateau areas, ultra-high temperature tropical zones, freezing cold temperate regions, heavily corrosive coastal areas and high-dust industrial mining areas, eliminating equipment environmental adaptation risks from the design stage.
Optimized Delivery Cycle & Efficient Integrated Supply Chain
Affected by complicated production procedures and raw material procurement scheduling, the average delivery cycle of mainstream 69kV transformers in the industry ranges from 6 to 12 months. Relying on self-owned raw material production bases, stable long-term supplier resources and fully integrated intelligent digital production workshops, Hengfengshuai Electric optimizes the whole production scheduling process and shortens the delivery cycle to a minimum of 55 days. It greatly accelerates overall project construction progress, reduces clients’ time cost and helps partners seize regional power market opportunities in advance.
Rigorous Quality Control & Full-Coverage Defect-Free Testing
All finished 69kV power transformers undergo complete and rigorous Factory Acceptance Testing (FAT) in our self-built professional medium and high voltage laboratory. The standardized testing items cover lightning impulse voltage test, switching impulse test, partial discharge detection, long-duration temperature rise test, insulation performance verification and load operation simulation test. We implement full-process quality inspection from raw material incoming inspection to finished product delivery, eliminate potential equipment defects from the source to ensure one-time successful commissioning and zero-fault startup during on-site installation.
Global Service & Full Lifecycle Technical Support
We provide one-stop full lifecycle supporting services covering the entire project chain: early-stage project scheme consultation and customized design, cross-border safe and efficient professional logistics, on-site installation & commissioning guidance, operator technical training, regular equipment maintenance and 24-hour fault emergency response. Our global localized technical service teams are distributed across key overseas markets, providing 24/7 online and offline dual-mode support, ensuring the long-term efficient, safe and stable operation of your 69kV power transformers.
Product parameters
Ordering instructions
- Main parameters of transformer (voltage, capacity, loss and other main parameters)
- Transformer operating environment (altitude, temperature, humidity, location, etc.)
- Other customization requirements (tap switch, color, oil pillow, etc.)
- The minimum order quantity is 1 sets
- Normal delivery period of 30 days, worldwide fast delivery
