New Energy Transformer

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Development of New Energy Power Generation and Specialized Substations

With continuous technological advancements, new energy power generation has expanded to encompass wind energy, solar photovoltaics (PV), marine energy, and other renewable sources, driving the rapid formation of a dedicated supporting industrial chain.

New Energy Generation Substations, building upon the design and manufacturing foundations of combined transformers and prefabricated substations, now integrate the specific requirements of:

• Wind turbine generators (WTGs) for efficient step-up voltage conversion.
• Solar PV inverters for grid-compatible AC output.
• Transmission networks demanding high reliability and adaptability.

These substations are widely adopted by major power generation companies and operate effectively across diverse environmental conditions, including:

• Coastal areas (corrosion resistance per IEC 60068-2-52).
• Arid deserts (dust ingress protection IP54 per IEC 60529).
• High-altitude regions (altitude derating up to 4000m per IEEE C57.96).

Technical Highlights

1. Voltage Adaptation:
   • Wind energy: 0.69kV/33kV step-up transformers (compliant with IEC 60076-16).
   • Solar PV: 1500V DC to 35kV AC conversion systems.
2. Grid Compliance:
   • Harmonic suppression (THD <3% per IEEE 519).
   • Low-voltage ride-through (LVRT) capability (per IEC 61400-21).
3. Modular Design:
   • Prefabricated units reduce on-site installation time by 40%.

Structural Features

PV-Specific Substation Technical Specifications

1. Design for Photovoltaic Applications

• Tailored for PV ring-main networks: Optimized voltage regulation and fault isolation (compatible with IEC 61400-21 grid integration).

2. Modular Cabin Structure

• Independent compartments:
  • High-voltage (HV) cabin
  • Low-voltage (LV) cabin
  • Transformer cabin
• Layout configurations:
  • Mesh-type, Linear-type, or L-shaped arrangements for flexible site adaptation.
• Enhanced safety: Separation of HV/LV busbars and transformer minimizes arc-flash risks (per IEEE 1584).

3. Thermal Management

• Exposed radiators: Direct air-cooling ensures efficient heat dissipation (temperature rise ≤65K under full load).
• Overheat prevention: Protects electrical components from thermal degradation.

4. Performance Advantages

• High overload capacity: 150% continuous load for 2 hours (IEC 60076-7).
• Low losses: No-load loss ≤0.5% of rated power (IEC 60076-19).
• Robust protection:
  • Short-circuit withstand: ≥25kA/3s (IEC 62271-100).
  • Lightning impulse withstand: 170kV peak (IEC 60076-3).

5. Enclosure & Durability

• Anti-theft enclosure: Composite materials with corrosion-resistant coating (resists seawater/salt spray per ISO 9227).
• Aesthetic integration: Modern design harmonizes with natural/industrial environments.

6. Compact & Smart Features

• Space-efficient: 30% smaller footprint vs. conventional designs.
• Plug-and-play installation: Pre-assembled modules reduce deployment time by 50%.
• Advanced automation:
  • SCADA-compatible communication (IEC 61850-7-420).
  • Real-time monitoring (temperature, load, fault diagnostics).

Technical Performance Parameters