Name: IEC IEEE Standard Three Phase 80kva 100kva 20kv 400v Oil Immersed Transformer 5060Hz No Load Tap Changer Factory Discount Price
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IEC IEEE Standard Three Phase 80kva 100kva 20kv 400v Oil Immersed Transformer 5060Hz No Load Tap Changer Factory Discount Price

Our company offers a variety of transformer types to meet different market demands: standard types are economical, efficient, and delivered quickly, suitable for conventional power distribution; customized types are designed for harsh environments such as photovoltaic and offshore platforms, ensuring reliability and long service life; and compliant types fully meet international standards and certifications in North America, the European Union, and other countries, guaranteeing global market access.

Product Description

Project Dimension	Standard/General Product Introduction	Customizable Options and Solutions
Core Overview	Uses insulating oil for heat dissipation and insulation. It is the most mature, reliable and widely used power distribution equipment in power grids.	Provides comprehensive customized design according to the project location environment, special power grid requirements and cost budget.
Rated Capacity	Common range: 30kVA to 20MVA or higher.	Non-standard capacity customization can be carried out according to load calculation.
Voltage Class	Primary side: 10kV, 11kV, 35kV, etc.; Secondary side: 0.4kV, 6.3kV, etc.	Supports voltage design conforming to any global standard, meeting the requirements of special input-output voltage ratio.
Frequency	50Hz or 60Hz	Can be designed as 50/60Hz universal type or adapted to specific frequency requirements.
Phase Number	Three-phase (mainstream), single-phase	Provides single-phase, three-phase or special phase combination transformers.
Connection Group	Common groups such as Dyn11, Yyn0, YNd11, etc.	Any connection group can be customized according to system grounding mode, harmonic suppression and other requirements.
Performance and Loss	Complies with IEC standards and provides different energy efficiency levels (e.g., S11, S13).	The design can be optimized to achieve specific energy efficiency levels (e.g., meeting China's Level 1 energy efficiency) and pursue lower no-load and load losses.
Winding Material	Electrolytic copper (mainstream) or electrical aluminum (lower cost).	Optional according to performance and cost budget, and can specify conductor purity or special alloys.
Core Material	High-quality cold-rolled grain-oriented silicon steel sheet.	Can be upgraded to high magnetic permeability silicon steel or amorphous alloy core, greatly reducing no-load loss.
Cooling Method	Oil-immersed self-cooled (ONAN) is the most common.	Can customize enhanced cooling methods such as oil-immersed air-cooled (ONAF) and forced oil circulation air-cooled (OFAF) according to heat dissipation needs.
Tank Structure	Standard corrugated or finned tank.	Customizable fully sealed type (maintenance-free), type with expander, or special shape to meet space constraints.
Outlet Method	Standard bushing outlet.	Can customize cable box outlet, busbar bridge connection, or American/European prefabricated interface.
Protection Level	Outdoor design, usually IP23.	Can be customized up to IP55 and above for occasions with extremely high dust and waterproof requirements.
Climate Protection	Suitable for general outdoor environment.	Special treatments such as wind and sand resistance, salt spray resistance (for coastal areas), mold resistance (for hot and humid areas), plateau type (for high-altitude areas), etc.
Fire Protection Requirements	Uses mineral insulating oil.	Can be filled with high ignition point synthetic resin insulating oil to meet higher fire safety standards.
Environmental Protection Requirements	Standard mineral oil is recyclable.	Provides transformers with biodegradable natural ester insulating oil to meet the most stringent environmental protection requirements.
Certification and Standards	Complies with IEC standards and routine factory tests.	Can obtain specific national certifications (e.g., UL, CE, CSA, GOST-R) according to the target market, and provide type test reports issued by third-party authoritative institutions.

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Core Competencies

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Full-chain product manufacturing expert
We focus on the core physical carriers of power transmission. Our main business covers: transformer series and power tower series.

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A Manufacturing System Centered on Technology and Quality

Technology-Driven: We have a professional R&D and engineering team.

Quality Foundation: The company has established a comprehensive quality control system covering the entire process from raw material procurement and production to finished product delivery.

Intelligent Manufacturing: We have achieved high-efficiency, high-consistency, large-scale production.

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Globalized Services and Project Delivery

We deeply understand and meet the complex needs of different regions and standards, providing full-process service support from technical consultation, drawing design, manufacturing to logistics and installation guidance to ensure smooth project delivery.

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