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Hunan Hentg Power Electric Technology Co., Ltd.

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City:changsha

Province/State:hunan

Country/Region:china

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China High Efficiency 66kV Power Transformer with 100MVA Rated Power and IP23 Protection Level for Reliable Performance wholesale

High Efficiency 66kV Power Transformer with 100MVA Rated Power and IP23 Protection Level for Reliable Performance

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High-Quality 66kV Power Transformers | Reliable Performance & Custom Design

High Efficiency and Energy Saving, Stable Performance

Utilizing high-quality silicon steel sheets and advanced winding technology, our 66kV power transformers offer low no-load and load losses, ensuring high operating efficiency.

Compliant with international standards (IEC, ANSI, GB) for long-term, high-load operation
Equipped with intelligent monitoring systems for temperature control and oil level monitoring
Designed for stable, long-term operation in demanding environments

Customizable for Various Applications

Our transformers can be tailored to meet specific project requirements:

Custom capacity options (10MVA, 20MVA, etc.)
Multiple cooling methods available (ONAN, ONAF)
Flexible wiring configurations
Specialized designs for outdoor/indoor installation, earthquake resistance, waterproofing, and corrosion resistance

Ideal for power transmission/distribution, renewable energy projects (wind/solar), and industrial applications (factories, mines).

Reliable Quality with Global Service Support

Manufactured using fully automatic vacuum drying and oil filling processes
Certified to ISO9001, CE, and CCC standards
Available for third-party testing verification
Global distribution with comprehensive after-sales support

High Efficiency 66kV Power Transformer with 100MVA Rated Power and IP23 Protection Level for Reliable Performance

Technical Specifications

Rated Power (KVA)	High Voltage (HV)	Low Voltage (KV)	Connection Symbol	Short Circuit Impedance	No-load Loss (W)	On-load Loss (W)	No-load Current (%)
6300	63 66 69	6.3 6.6 10.5 11	YNd11	9	8250	34000	0.63
8000					9830	40400	0.63
10000					11600	47600	0.75
12500					13600	56500	0.53
16000					16300	69500	0.49
20000					19200	84200	0.49
25000					22600	99500	0.42
31500					26800	120000	0.42
40000					31900	140300	0.39
50000					38600	174300	0.39
63000					44400	210000	0.39

Key Features

Low partial discharge for enhanced safety and longevity
Minimized energy loss for improved efficiency
Reduced noise operation for better environmental integration
Lightweight design without compromising reliability
Economical operation with environmentally friendly materials

Widely used in power plants, substations, and large industrial/mining enterprises. Developed using advanced domestic and international technologies with optimized core, winding, active parts, leads, and tank designs.

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