In modern power transmission networks, long-distance electrical stability and minimal energy losses are critical. The 330kV Transformer engineered by Shandong Lukong Electric Equipment Co., Ltd. serves as a heavy-duty backbone for extra-high voltage (EHV) power distribution, industrial substations, and large-scale renewable energy hubs. Backed by over three decades of advanced power equipment manufacturing, our 330kV Transformers combine exceptional thermal management, low partial discharge, and high short-circuit withstand capabilities to ensure uninterrupted continuous operation worldwide.
To seamlessly integrate into national power grids and demanding utility projects, every 330kV Transformer is built in strict accordance with international electrical engineering standards:
| Technical Parameter | Specification Standard |
| Rated Primary Voltage | 330kV (Customizable up to 363kV) |
| Secondary & Tertiary Voltage | 110kV, 35kV, 20kV, 10kV (Tailored to SLD requirements) |
| Cooling System | ONAN / ONAF / OFAF / OFWF |
| Tap Changing Type | On-Load Tap Changer (OLTC) / Off-Circuit Tap Changer (OCTC) |
| Partial Discharge Level | Low partial discharge (<10 pC at rated voltage) |
| Rated Frequency | 50 Hz / 60 Hz |
| International Certifications | IEC 60076, IEEE C57, ISO 9001, CE |
Each 330kV Transformer core is manufactured using high-permeability, grain-oriented silicon steel sheets. Through precision step-lap stacking techniques, our magnetic circuit design drastically reduces no-load loss, operating noise, and magnetizing current, providing maximum thermal efficiency over decades of continuous usage.
Voltage fluctuations in transmission lines can cause severe grid instability. Our 330kV power transformers feature robust On-Load Tap Changers (OLTC) that automatically adjust output voltage under full-load conditions without dropping power, ensuring consistent voltage control for downstream substations.
High-voltage electrical networks are frequently exposed to lightning surges, switching impulses, and short-circuit stress. We utilize high-density insulation pressboards, transposed copper conductors, and rigid clamping structures to ensure our 330kV Transformer can withstand severe electrodynamic forces during emergency fault conditions.
Designed for challenging outdoor environments—including high-altitude regions, coastal areas, and extreme temperature zones—our transformer oil tanks receive multi-layer anti-corrosion surface treatments. Hermetically sealed construction prevents moisture ingress and slows transformer oil degradation, significantly extending maintenance cycles.
Our 330kV Transformer series is engineered to deliver reliable power step-up and step-down performance across key global industrial sectors:
Utility Transmission Grids: Primary voltage step-down and interconnection in regional high-voltage substations.
Renewable Energy Integration: Connecting utility-scale solar farms, onshore/offshore wind power stations, and battery energy storage systems (BESS) directly into the 330kV transmission grid.
Heavy Industrial & Mining Plants: Supplying high-capacity, stable electrical power to steel plants, aluminum smelters, chemical facilities, and large mining operations.
At Shandong Lukong Electric Equipment Co., Ltd., we do not just sell equipment—we deliver end-to-end power engineering solutions tailored to your single-line diagrams (SLD):
Custom Vector Group & Impedance Matching: Configured to match existing network power flow dynamics.
Smart Online Monitoring Options: Optional DGA (Dissolved Gas Analysis) sensors, oil level transmitters, and digital temperature indicators for real-time asset health monitoring.
100% Factory Acceptance Testing (FAT): Every 330kV Transformer undergoes rigorous routine, type, and special testing before leaving our facility to guarantee zero defects upon installation.
Whether you are an EPC contractor, power utility engineer, or global industrial buyer, our technical team is ready to support your next project. Contact us today for technical drawings, budgetary quotes, and complete single-line diagram evaluations.
Email: Ella@ecogreentrans.com
WhatsApp / Phone: +86 18954159606
Factory Address: Jinan City, Shandong Province, China
Shandong Lukong Electric Equipment Co., Ltd. (Lukong) was founded in 1984. It is located in Xiajin County on the northwest plain of Shandong Province, on the bank of the ancient Grand Canal with a history of one thousand years. With a registered capital of 50 million yuan and over 30 years of history, the company is mainly engaged in the R&D and manufacturing of high and low voltage electrical equipment supporting the State Grid and 10kV–220kV transformers...[ Read More >>]
