Power Transmission Equipment.10kV–500kV Transformers.
Reliable power transformers and complete transmission solutions from Harbin Transformer Co., Ltd.
Harbin Transformer Co., Ltd. — State-Owned Enterprise Est. 1955
Located in the Yingbin Central Zone of the Harbin High-Tech Industrial Development Zone, covering an area of 120,000 square meters with total assets of RMB 1.762 billion and annual R&D investment of RMB 53 million.
Company Overview
Harbin Transformer Co., Ltd. is a state-owned sole proprietorship under Harbin Industrial Investment Group Co., Ltd. Its predecessor was the Harbin Transformer Factory, founded in 1955. The company is primarily engaged in the manufacturing and operation of power transmission and transformation equipment, with main products including 10 kV–500 kV power transformers, distribution transformers, packaged substations, and special transformers. It also provides customers with comprehensive solutions and specialized services for power transmission and transformation equipment.
Independent R&D System & Advanced Simulation
Dielectric Insulation Strength
Precise electric field numerical simulation optimizing main/longitudinal clearance with ultra-low partial discharge.
Thermal Rise & Fluid Dynamics
Coupled CFD thermal-fluid dynamics modeling guiding targeted oil guides and eliminating localized hotspots.
Short-Circuit Dynamic Stability
3D magnetic leakage and electromechanical transient dynamic force calculation guaranteeing zero deformation.
Technology Innovation and Independent R&D
Independent technology, recognized credentials, and complete validation capabilities support continuous innovation in high-end power equipment.
Independent R&D and Credentials for Reliable High-End Equipment
Independent technology development, sustained R&D investment, recognized credentials, and high-voltage validation support reliable power-transmission equipment.
Modern Manufacturing and Test Equipment
Precision processing, extra-high-voltage assembly, and full-scope testing safeguard product quality and reliable delivery.
Advanced Equipment for Reliable Transformer Manufacturing
An integrated system for precision processing, extra-high-voltage assembly, and full-scope testing supports consistent quality and delivery for 10kV to 500kV equipment.
Product Introduction — Product Showcase
Official product portfolio of Harbin Transformer Co., Ltd.: 500kV Transformers, 330kV Transformers, 220kV Transformers, and 110kV & Below Transformers. Certified by National Product Appraisal and State High-Voltage Testing Centers.
500kV Transformer
ODFS-334000/500 Ultra-High-Voltage Power Transformer · National-Level Product Appraisal
The ODFS-334000/500 ultra-high-voltage power transformer developed by our company has successfully passed routine tests, type tests, and special tests conducted by the testing center, as well as national-level product appraisal, and has been put into successful operation. Its performance indicators have reached internationally advanced levels.
330 kV Transformer
Winding Waveform & Electric Field Quantitative Analysis · Low Loss & No Local Overheating
Our company has manufactured numerous 330 kV transformers and continuously innovates in practical applications. Through comprehensive analysis of winding waveforms, electric fields, quantitative calculations, and integrated evaluations, these transformers exhibit significant advantages, including a rational structural design, low partial discharge levels, minimal losses, low noise, and the absence of localized overheating. Moreover, we are able to provide high-quality transformers to our broad customer base more promptly and effectively, earning an unparalleled reputation for reliability and customer service.
220kV Transformer
Independently Developed 3-Phase Oil-Immersed · Compact Design, Efficiency and Low Losses
Our company’s 220 kV three-phase oil-immersed power transformers are independently developed by integrating technologies from domestic and international sources. Depending on the selected design and project requirements, they can offer a compact footprint, high efficiency, low losses and noise, reduced partial discharge, short-circuit withstand capability, and lightning surge performance. Inspection and maintenance requirements are defined for the specific product and operating conditions.
110 kV and Below Transformers
Full Optimization Design & Unit-by-Unit Verification · Latest Low-Loss Copper-Wound Series
Our company manufactures three-phase oil-immersed power transformers rated at 110 kV and below. Leveraging our advanced computational and verification software, we conduct comprehensive optimization and validation of key components—including the core, windings, tank structure, lead connections, and oil tank—and perform unit-by-unit checks on electric fields, leakage magnetic fields, temperature distributions, and electromagnetic forces during operation, thereby ensuring that all performance parameters meet stringent standards. State-of-the-art process equipment, meticulous material selection, and highly efficient manufacturing processes combine to deliver products of superior quality that are energy-efficient and environmentally friendly. These transformers are ideally suited for use in power plants, substations, and large industrial, mining, and petrochemical enterprises. Our company’s distribution transformers rated at 35 kV and below are the latest series of low-loss, copper-wound products. These transformers are manufactured using high-quality materials and incorporate new processes and advanced insulating materials in both the winding assembly and insulation system, resulting in significantly reduced no-load and load losses and delivering superior performance and reliability.
CNAS Laboratory & High-Voltage Testing Hall
Certified national testing center with complete routine, type, and special test capabilities for full dielectric withstand, 1200kV lightning impulse, short-circuit mechanical strength, and ultra-low partial discharge (<10pC).
1200kV Lightning Impulse Test System
Shielded high-voltage test hall supporting full-wave, chopped-wave, and switching impulse testing up to 1550kV peak.
Ultra-Low Partial Discharge Shielding
Shielding effectiveness > 80dB with background noise < 2pC, ensuring PD level strictly below 10pC at 1.5 Um.
Acoustic Sound & Vibration Chamber
Precision sound intensity measurement under full excitation, certifying ultra-silent performance for urban substations.
Dynamic Short-Circuit Withstand Validation
Verified at National High Voltage Apparatus Quality Inspection and Testing Center with zero mechanical deformation.
Engineered Industry Solutions
Custom-designed power transmission and transformation equipment answering distinct operational, environmental, and thermal requirements of critical sectors.
Power Transmission & Transformation
Harbin Transformer delivers 10kV to 500kV power transformers and substations for utility operators, ensuring high operational reliability, low loss, and long-term grid security.
Operational Challenges
- •Peak-demand overload pressure without degradation of insulation
- •Strict no-load loss standards and acoustic noise constraints
- •Durability against short-circuit mechanical stresses
Engineered Solutions
- Optimized electromagnetic winding layout with high efficiency
- Low-noise cooling fan banks and sound-damping tank structure (<55dB)
- Real-time online DGA and temperature telemetry compatibility
Reliable Backbone Equipment for Power Grid Infrastructure
Comprehensive Lifecycle Services & Support
Providing pre-sales engineering consultation, in-sales project tracking, on-site installation, Level-III maintenance qualifications, and genuine spare parts.
On-Site Commissioning & Vacuum Oil Filling
Factory-certified service engineers supervise core inspection, nitrogen-release, hot oil circulation, and vacuum dielectric filling to guarantee optimal insulation purity.
Emergency Service Coordination
Service needs are assessed with the customer, with technical guidance and on-site support arranged according to project location, conditions, and resource availability.
Substation Modernization & Capacity Uprating
Upgrade aged oil-paper insulation with FR3 ester fluid, retrofit smart IoT DGA sensors, and uprate existing substation MVA capacity within identical footprint.
Original Guaranteed Spare Parts Management
Genuine OEM high-voltage bushings, vacuum tap changers, gaskets, relays, and cooling motors stocked with expedited international air-freight logistics.
Immediate Technical Support & OEM Spares
Contact Harbin Transformer Co., Ltd.
Official contact information for product inquiries, technical support, after-sales service, and cooperation.
Harbin High-Tech Industrial Development Zone
Yingbin Central Zone, Harbin High-Tech Industrial Development Zone, Daoli District, Harbin, Heilongjiang, China (Postal Code: 150078)
Send Online Message
Submit your technical query and an engineer will respond within 24 hours.