138kv 50kv 25mva 69kv 40 Mva Transformer 66kv 150kv 330kv 100 Mva 115kv Power Transformer Price | Shanghai Toppower-Asia Co., Ltd.
HQ: Yangpu, Shanghai, China | Factory: Wuxi, Jiangsu, China
Products > High Voltage Switchgears & Substations

138kv 50kv 25mva 69kv 40 Mva Transformer 66kv 150kv 330kv 100 Mva 115kv Power Transformer Price

Designed for massive power grid and heavy industrial substation integration, this robust high-voltage power transformer offers an extensive range of extreme capacities (up to 100MVA+) and accommodates ultra-high primary voltages including 66kV, 69kV, 115kV, 138kV, 150kV, and 330kV. Engineered for highly efficient power transmission and step-down applications, it utilizes advanced winding techniques, superior cooling systems, and premium core materials to ensure continuous, reliable performance, minimal energy loss, and excellent thermal stability under demanding loads.

Capacity Range 25MVA - 100MVA+
Primary Voltages 50kV / 66kV / 69kV / 115kV / 138kV / 150kV / 330kV
Type HV Power Transformer
Phase Three Phase
Application Power Grid / Large Substation
Availability Factory Direct Pricing
CE Certified
ISO 9001
Factory Direct
Ultra High Voltage & Capacity CE & ISO9001 Certified Substation Grade

138kv 50kv 25mva 69kv 40 Mva Transformer 66kv 150kv 330kv 100 Mva 115kv Power Transformer Price

SKU: HVPT-66-330KV-25-100MVA
4.9/5 (48 Verified Reviews)
Primary Voltages 50kV / 66kV / 69kV / 115kV / 138kV / 150kV / 330kV
Transformer Type HV Power Transformer
Capacity Range 25MVA - 100MVA+
Application Power Grid / Large Substation

Designed for massive power grid and heavy industrial substation integration, this robust high-voltage power transformer offers an extensive range of extreme capacities (up to 100MVA+) and accommodates ultra-high primary voltages including 66kV, 69kV, 115kV, 138kV, 150kV, and 330kV. Engineered for highly efficient power transmission and step-down applications, it utilizes advanced winding techniques, superior cooling systems, and premium core materials to ensure continuous, reliable performance. Factory direct pricing is available across all capacity and voltage models.

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Comprehensive Product Overview

Deep dive into the engineering, applications, and specifications of our 138kv 50kv 25mva 69kv 40 Mva Transformer 66kv 150kv 330kv 100 Mva 115kv Power Transformer Price.

Ultra High Voltage & Capacity Grid Solutions

Engineered for the most demanding power transmission and distribution infrastructure, our heavy-duty power transformers deliver unparalleled performance at extreme capacities ranging from 25MVA to over 100MVA. Designed to handle an array of ultra-high primary voltages including 50kV, 66kV, 69kV, 115kV, 138kV, 150kV, and 330kV, these units represent the pinnacle of large-scale electrical engineering.

Manufactured utilizing state-of-the-art winding technologies and premium, low-loss magnetic cores, these transformers guarantee minimal energy dissipation and exceptional thermal stability under continuous heavy loads. They are the critical link for major power grids, large industrial complexes, and utility substations requiring flawless voltage step-down and transmission reliability. We offer factory direct pricing to ensure cost-effective infrastructure development.

  • Compliant with the highest international IEC, IEEE, and CE standards for power transmission.
  • Supports ultra-high voltages up to 330kV and capacities exceeding 100MVA.
  • Engineered for extreme longevity and reliability in critical power grid nodes.
High Voltage Power Transformer Overview

Engineering Excellence at Every Level

Our ultra-high voltage power transformers are built utilizing state-of-the-art manufacturing processes to ensure maximum efficiency, durability, and grid stability at massive scales.

Ultra Low-Loss Core Technology

Ultra Low-Loss Magnetic Core

Constructed with the highest grade cold-rolled grain-oriented silicon steel, meticulously stepped to drastically reduce no-load losses and operational noise at high voltages.

Advanced Thermal Management

Advanced Thermal Management

Equipped with sophisticated ONAN/ONAF cooling systems, utilizing heavy-duty radiators and forced-air fans to maintain optimal operating temperatures under 100MVA+ loads.

Superior Short-Circuit Withstand

Superior Short-Circuit Withstand

Precision-wound coils utilizing high-quality insulation materials and robust structural bracing provide exceptional mechanical strength to withstand severe grid fault conditions.

Critical Infrastructure Integration

These immense high-voltage transformers (up to 330kV) are the foundational blocks of national and regional power transmission grids. They are designed to reliably handle massive power capacities for major industrial and utility applications.

Utility Transmission Substations: The critical link between high-voltage transmission lines (138kV, 330kV) and regional distribution networks.
Heavy Industrial Complexes: Supplying the massive power requirements (25MVA to 100MVA+) for steel mills, mining operations, and large-scale manufacturing.
Power Generation Plants: Stepping up generated voltage from power plants (hydro, thermal, or renewable) for efficient long-distance transmission over the grid.
High Voltage Substation Application Scenario

Technical Documentation & Manuals

Access detailed technical specifications, installation guides, wiring diagrams, and maintenance manuals for our HV Power Transformer series.

Complete Product Catalogue & Data Sheet

Document Type: PDF | Language: English | Size: 7.2 MB

Need additional technical support?

If you require specific CAD drawings, FAT (Factory Acceptance Test) reports, or custom configuration documents for large-scale grid projects, please reach out to our technical support team.

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