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High Efficiency 2000kVA Step Down Three Phase Transformer 11KV 0.433KV for Urban Infrastructure
Product Overview
Our 2000kVA 11kV/0.433kV step-down transformer is a high-performance solution designed for reliable urban power distribution and industrial grid stability. Compliant with IEC 60076 standards, this S11 series oil-immersed transformer is engineered to bridge the gap between high-voltage transmission and localized power needs, ensuring consistent energy flow for manufacturing plants, commercial complexes, and infrastructure developments.
Key Features
Maximized Energy Efficiency: Features an advanced silicon steel core that significantly reduces no-load losses and operational costs
100% Electrolytic Copper Windings: Ensures superior thermal stability and electrical conductivity, preventing overheating during peak load hours
Climate-Resilient Construction: Specifically treated with high-grade anti-corrosion coatings to withstand high humidity and extreme tropical temperatures
Zero-Maintenance Sealing: The hermetically sealed tank design prevents oil oxidation, extending the service life to over 30 years without the need for periodic oil filtration
Technical Specifications
Core Technology
High-permeability, grain-oriented cold-rolled silicon steel with 45-degree full-miter joint to reduce magnetic noise and vibration
Cooling System
ONAN (Oil Natural Air Natural) cooling with high-surface-area corrugated radiators for rapid heat dissipation
Insulation Class
Class A insulation with high-dielectric strength transformer oil, tested for breakdown voltages exceeding 50kV
Vector Group
Dyn11 (ideal for unbalanced industrial loads) or Yzn11 per project requirements
Protection Devices
Integrated pressure relief valves, oil level gauges, and multi-functional signal thermometers for real-time monitoring
Environmental Solutions
In sand-prone regions like Africa, airborne particles and extreme heat often lead to seal degradation. We solve these environmental challenges through:
Double-Gasketed Sealing Technology: High-performance nitrile rubber gaskets and precision-machined flange surfaces create a "Dual-Barrier" against fine dust infiltration and prevent oil seepage
Vacuum-Oiling Process: Removes all air bubbles and moisture during filling, eliminating internal pressure fluctuations that cause micro-cracks in traditional seals
Reinforced Corrugated Tanks: Robotically welded and pressure-tested to 0.5 bar, ensuring structural integrity under heavy sandstorms and thermal expansion cycles
Frequently Asked Questions
Does the transformer meet international bidding requirements?
Yes, our units are fully compliant with IEC 60076 and come with comprehensive Type Test Reports from accredited laboratories.
How do you handle shipping to landlocked African regions?
We use heavy-duty seaworthy packaging and reinforced steel frames to ensure the transformer arrives without mechanical vibration damage.
Can the secondary voltage be customized (e.g., 400V, 415V, 433V)?
Absolutely. We offer customizable tap changers (±2x2.5% or ±5%) to match specific local grid demands.
What is the lead time for large EPC projects?
For a standard 2000kVA unit, our production cycle is 15-20 days, supported by a massive inventory of raw materials for rapid scaling.
Are the bushings designed for high-pollution areas?
We offer high-creepage distance porcelain or composite bushings that prevent flashover in dusty and sandy environments.
Contact our engineering team today for a customized technical quote and regional shipping estimate!