The ZGSL-H-2700-13-0.4 is a fully-enclosed padmount transformer designed for underground power distribution networks. This ground-mounted unit features a locked stainless steel cabinet mounted on a concrete pad, providing safe operation in public areas without requiring fenced enclosures. Key specifications include:

• ✔ 2700kVA capacity for 13kV/0.4kV voltage conversion
• ✔ Integrated LV switchgear for complete secondary protection

Ideal for urban utility service drops and commercial power distribution, this transformer combines compact dimensions (1800×1200×1600mm) with 25-year design life. Optional smart monitoring available.

• High-Efficiency Power Transformer with Advanced Core Design

  The SFZ-30000-132 power transformer delivers >99.3% efficiency through precision-engineered silicon steel core technology, reducing no-load losses to ≤35kW. This electrical transformer is ideal for both step-up and step-down operations in substations. As a leading power transformer supplier, we guarantee 12% lower operating costs than industry standards. Buy power transformer online with complete technical documentation.

• Robust Construction for Demanding Environments

  Featuring ONAN/ONAF cooling and 9% short-circuit impedance, this transformer ensures stable operation in -30°C to +45°C conditions. Request a transformer price list for project budgeting.

• Flexible Customization Options

  Available as ODM/OEM transformer with:

  • ±8×1.25% on-load tap changer
  • <65dB noise reduction package
  • C5-M anti-corrosion coating

• Reduced Production & Delivery Lead Times

  Advanced modular manufacturing cuts production cycles by 25%, while our global logistics network ensures delivery within 8-12 weeks

• Fast Documentation for Transformer Shipments

  Yotran Wave Electric maintains <1% defect rate with 100% pre-shipment testing. Our dual-supply chain strategy prevents material shortages, ensuring 99.5% on-time delivery since 2020.

• Expedited & Standardized Documentation

  Automated systems generate IEC/IEEE-compliant docs in 48 hours, including:
  Test reports, Installation manuals, Paperless e-documentation for faster customs clearance

Here are four specific application scenarios of Power Transformer:

1. Utility-Scale Substations
   The SFZ-30000-132 excels in 132kV/33kV primary substations, where its 9% short-circuit impedance ensures grid stability during peak loads. With ONAN/ONAF cooling and ≤35kW no-load loss, it's deployed in 20+ Chinese urban power grids, reducing transmission losses by 15% compared to conventional units. The transformer's compact design allows installation in space-constrained urban substations.
2. Heavy Industrial Complexes
   Ideal for steel mills and petrochemical plants, this transformer's reinforced tank withstands harmonic distortion up to THD 8%. Its C5-M anti-corrosion option protects against chemical exposure, with 15 units successfully operating in Middle Eastern oil refineries for 3+ years without maintenance downtime. The 30MVA capacity supports continuous heavy-load operations.
3. Renewable Energy Integration
   At solar/wind farm collector stations, the ±8×1.25% OLTC handles voltage fluctuations from intermittent generation. The transformer's -30°C cold-start capability ensures reliability in Nordic wind farms, while optional DGA monitoring enables predictive maintenance - crucial for remote renewable sites. Currently supports 200MW solar parks in India.
4. Mining Operations
   The seismic-resistant design (Zone 4 certification) performs reliably in mining areas, with 10 units operating at 3,500m altitude in Chilean copper mines. Special dust-proof bushings and vibration dampers extend service life in harsh conditions. The <65dB noise version meets strict OSHA standards for worker safety.
5. Smart City Infrastructure
   Integrated with IoT sensors, this transformer provides real-time load data for smart grid management in metropolitan areas. Its UL-certified design meets stringent urban safety requirements, with 5-year track record in Singapore's underground substations. The 40-year lifespan reduces replacement frequency in critical infrastructure.

Generic installation and use instructions for 110kV class power transformers, containing the following sections:

1. Lifting and jacking of transformer body
2. Transportation and handling
3. Check and acceptance
4. Storage and keeping of product (body and component)
5. Overall reassembly on site
6. Vacuum oil filling: vacuum oil filling must be conducted after general assembly of the transformer has been fully completed.
7. External surface cleaning and painting makeup of transformer
8. Check and handover test before commissioning
9. Operation
10. Inspection and maintenance