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China factories

China factory - Hunan Hentg Power Electric Technology Co., Ltd.

Hunan Hentg Power Electric Technology Co., Ltd.

  • China,Changsha ,Hunan
  • Verified Supplier
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  3. Durable Oil Filled Single Phase Electrical Transformer 440V 415V 100KVA 167KVA
China Durable Oil Filled Single Phase Electrical Transformer 440V 415V 100KVA 167KVA
China Durable Oil Filled Single Phase Electrical Transformer 440V 415V 100KVA 167KVA

  1. China Durable Oil Filled Single Phase Electrical Transformer 440V 415V 100KVA 167KVA
  2. China Durable Oil Filled Single Phase Electrical Transformer 440V 415V 100KVA 167KVA

Durable Oil Filled Single Phase Electrical Transformer 440V 415V 100KVA 167KVA

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Product Specification

Durable Oil Filled Single Phase Electrical Transformer 440V 415V 100KVA 167KVA

High-performance overhead distribution unit engineered specifically for agricultural grids, commercial irrigation systems, and decentralized utility networks.

Product Overview

The Durable Oil Filled Single Phase Electrical Transformer (75KVA to 167KVA, 440V/415V/380V/220V) is built in strict accordance with ANSI and IEC international standards. This outdoor pole-mounted cylinder transformer acts as a highly reliable voltage step-down station, converting local medium-voltage distribution lines into safe, stable low-voltage power.

Durable oil filled single phase electrical transformer for commercial irrigation
Core Value Propositions
  • Engineered for Agricultural Longevity: Optimized to handle frequent load fluctuations and high-surge starting currents common to large commercial irrigation pumps.
  • Superior Overload Performance: Utilizes high-grade premium mineral insulating oil and advanced thermal dissipation design for efficient operation in high-temperature outdoor environments.
  • Advanced Corrosion Immunity: Multi-stage zinc-rich priming and heavy polyurethane electrostatic powder coating process for excellent salt spray resistance and UV stability.
  • Uncompromising Operational Safety: Equipped with heavy-duty bird-proof high-voltage bushings and integrated pressure relief valves for stable operation under unpredictable rural conditions.
Technical Specifications & Features
  • Magnetic Core Technology: High-permeability, laser-treated, cold-rolled grain-oriented (CRGO) silicon steel sheets minimize eddy current losses and reduce operational noise.
  • Coil Winding Precision: High-purity, oxygen-free copper or high-conductivity aluminum conductor material with specialized high-temperature paper insulation.
  • Thermal Insulation Class: Premium mineral oil with Class 120 insulation systems ensures prolonged operational lifespan during continuous peak load performance.
  • Sealing & Structural Mechanics: Fully sealed cylinder tank with continuous automatic welding and high-quality Nitrile or Viton gaskets for 100% airtight and moisture-resistant seal.
Technical details of oil filled electrical transformer construction
Environmental Challenges & Engineering Solutions

Environmental Challenge: Agricultural and irrigation grids in African regions face extreme sandstorms, high ambient dust, and prolonged scorching temperatures, leading to premature gasket degradation and mechanical abrasion.

Our Engineered Solution: Features Dual-Ring Viton Hermetic Sealing Mechanism at bushings and main tank covers to block fine desert sand ingress. Robotic Continuous Single-Seam Welding reduces joint interfaces where leaks could develop. Exterior oil levels are monitored via fully enclosed, chemically strengthened glass oil gauge.

Frequently Asked Questions
What international testing certifications do your transformers possess for government grid tenders?
Our single-phase distribution transformers are fully type-tested and certified according to ANSI C57 and IEC 60076 standards. We provide complete routine test reports with every shipment to assist EPC contractors in passing strict local utility inspections.
How does this transformer perform in regions experiencing extreme ambient temperatures exceeding 45°C?
The transformer is designed with a high top-oil temperature rise limit (55°C or 65°C options available) and high-flashpoint premium mineral insulating oil. The exterior cooling fins are widened to maximize natural convection, ensuring continuous stable operation without de-rating in hot desert and tropical climates.
Can these units be configured to handle multiple voltage taps for different regional distribution lines?
Yes. We support custom configurations featuring external or internal manual no-load tap changers (e.g., ±2 * 2.5% or customized combinations like 440V/415V/380V secondary matching), allowing distributors to stock one universal model that fits various localized grid requirements.
What specific logistics and packing precautions do you take to prevent physical damage during maritime and inland African transit?
All transformers are secured on heavy-duty, IPPC-certified fumigated wooden pallets or steel skids. Every individual tank is wrapped in heavy anti-scratch protective film, with high-voltage bushings shielded by dedicated wooden crates to survive rough sea freight and unpaved inland road transport.
What is the standard warranty period, and do you supply emergency spare parts for EPC infrastructure projects?
We provide a standard 12-month to 24-month comprehensive warranty from the date of commissioning. For major infrastructure projects and distributors, we offer a dedicated spare parts kit containing replacement bushings, Viton gasket sets, and oil level gauges to minimize field maintenance latency.

Contact our expert engineering team today to receive a customized technical drawing and a competitive bulk quotation within 24 hours!

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2011

  • Total Annual:

    300-500MVA

  • Employee Number:

    150~200

  • Ecer Certification：

    Verified Supplier

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  • Hunan Hentg Power Electric Technology Co., Ltd.
  • Room905, D6 building, CCSP Industrial Park, Yuelu District, Changsha，Hunan province, China
  • https://www.ecer.com/corp/uuuf953-hentgpower2025.html

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