10kV–750kV

Power Transformer

Oil-immersed power transformers for utility, generation and heavy industry

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Power Transformer — transformer product image

Key specifications

500kV sddc-65re · 220kV sddc-62gr · 110kV sddc-65hm
IEC 60076 / GB 1094 manufactured
Factory capability up to 750kV class / 1.5 million kVA

Why choose it

High short-circuit withstand and low partial discharge
Low noise, low loss and sealed oil system
Custom voltage ratio, impedance and cooling configuration

Certifications & markets

Specification table

Technical parameters

Voltage class	10kV – 750kV
Capacity	Up to 400 MVA delivered reference
Frequency	50Hz / 60Hz
Standard	IEC 60076 · GB 1094
Cooling	ONAN / ONAF
Tap changer	On-load / off-load
Model series	sddc-65re (500kV) · sddc-62gr (220kV) · sddc-65hm (110kV)

Related product series

Choose a specific series

This product family includes the following engineered series. Select one for detail and RFQ guidance.

110kV Oil-Immersed Power Transformer

110kV Oil-Immersed Power Transformer

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220kV Large-Capacity On-Load Tap-Changing Split Transformer

220kV Large-Capacity On-Load Tap-Changing Split Transformer

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220kV Oil-Immersed Power Transformer

220kV Oil-Immersed Power Transformer

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35kV Oil-Immersed Power Transformer

35kV Oil-Immersed Power Transformer

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500kV Oil-Immersed Power Transformer

500kV Oil-Immersed Power Transformer

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66kV Oil-Immersed Power Transformer

66kV Oil-Immersed Power Transformer

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High-Voltage Oil-Immersed Power Transformer

High-Voltage Oil-Immersed Power Transformer

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Intelligent Oil-Immersed Power Transformer up to 1.5M kVA

Intelligent Oil-Immersed Power Transformer up to 1.5M kVA

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Inverter Energy-Storage Step-Up Integrated Unit

Inverter Energy-Storage Step-Up Integrated Unit

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Railway Traction Transformer

Railway Traction Transformer

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