110kv Three-Winding Oil-Immersed Power Transformers 63000kVA

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Three
• Model NO.: SZ11-63000/110
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Certification: ISO9001, CCC
• Usage: Power Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Rated Capacity: 63000kVA
• Hv: 66kv/110kv/132kv
• LV: 6.3kv~20kv
• Vector Group: Ynd11
• Transport Package: According to Client′ S
• Specification: As manufacturer′ s design
• Trademark: HZEC
• Origin: China
• HS Code: 8504232100
• Production Capacity: 25/ Quarter

Product Description

Product Description

66KV/110kV Power Transformer The 66KV/110kV transformer is a high-voltage oil-immersed transformer with a core-type structure. It can be classified by phase number into single-phase transformers and three-phase transformers; by voltage regulation method into on-load tap-changing transformers and no-load tap-changing transformers; by winding coupling method into power transformers and autotransformers; by the number of windings into double-winding, three-winding, and three-winding plus balance winding transformers. Additionally, it includes special types such as split transformers and combined transformers. The product is designed according to IEC international standards, IEEE standards, and current national standards.
Main Features

Low Noise: Reduces noise pollution to the environment.
Low Partial Discharge: Ensures stable and reliable transformer operation.
Low Temperature Rise: Provides strong overload capacity.
Low Loss: Optimizes energy structure.
Leakage-Free: Ensures high sealing performance of the transformer.
Maintenance-Free: Reduces customer maintenance costs.
High Impedance: Offers high short-circuit resistance, providing transformer safety.
Smart Components: Incorporates intelligent substation design technolog 

Company Profile

Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable transformer manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations and high and low voltage complete sets of equipment.The equipment put into production and operation of the project advocates energy saving, intelligence, information and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center,with 71 utility model patents and 15 invention patents.With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC Products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa and other regions, covering more than 40 countries.

Product Details

Their main features include:
1. Low noise, reducing noise pollution to the environment;
2. Low partial discharge, ensuring stable and reliable operation of the transformer;
3. Low temperature rise, with strong overloading capacity;
4. Low loss, optimizing the energy structure;
5. No leakage, with high sealing performance of the transformer;
6. Maintenance-free, reducing the customer's maintenance costs;
7. High impedance, with high short-circuit resistance, enhancing the safety performance of the transformer;
8. Utilization of intelligent components, incorporating intelligent power station design technology.

Detailed Photos

Main functions and characters:

110kV Three-winding Power Transformers with On-load Tap-changer

Rated capacity (kVA)	Voltage ratio (kV)         HV                MV                  LV			Connection Symbol	No-load loss (kW)	No-load current     (%)	Full-load loss (kW)	Impedance     (%)
								step-down	step-up
6300	110 ±8×1.25%	35 37 38.5 ±2×2.5% or ±5%	6.3   6.6   10.5	YNyn0d11	12	0.6	47	10.5 17~18 6.5	17~18 10.5 6.5
8000					14.4	0.6	56
10000					17.1	0.55	66
12500					20.2	0.55	78
16000					24.2	0.5	95
20000					28.6	0.5	112
25000					33.8	0.45	133
31500					40.2	0.45	157
40000					48.2	0.4	189
50000					56.9	0.4	225
63000					67.7	0.35	270

66kV Double-winding Power Transformers with Off-circuit Tap Changer

Rated capacity (kVA)	HV	Voltage ratio (kV) HV Tapping Range	LV	Connection Symbol	No-load loss (kW)	No-load current (%)	Full-load loss (kW)	Impedance (%)
6300	110 121	±2×2.5%	6.3 6.6 10.5 11	YNd11	9.2	0.6	36.0	9
8000					11.2	0.6	42.7
10000					13.2	0.55	50.4
12500					15.6	0.55	59.8
16000					18.8	0.5	73.5
20000					22.0	0.5	89.1
25000					26.0	0.45	105.3
31500					30.8	0.45	126.9
40000					36.8	0.4	148.9
50000					44.0	0.4	184.5
63000					52.0	0.35	222.3

66kV Double-winding Power Transformers withOn-load Tap-changer
 1.The bell typetankand the corrugated shell increases the strengthof tank with beautiful appearance.
 2. The core is with D shape yoke with 45°miter joint.
 3. The core and tank are well fixed and well protected during transpor- tation.
 4. Reasonable winding layout method,supported by the interior and exterior strips.High-tension cardboard cylinders between coils increase the short-circuit withstand capacity.
 5. Advanced workmanshipis used,such as crimp welding technology, phase-assembly technology for winding,and cardboard process,etc.
 6. To meet the client's needs,we can provide products of other voltage ratios,Vector Groups,and rated capacities,as listed in the table.

Rated capacity (kVA)	HV	Voltage ratio (kV) HVTapping Range	LV	Connection Symbol	No-load loss (kW)	No-load current (%)	Full-load loss (kW)	Impedance (%)
6300	63 66 69	±8×1.25%	6.3 6.6 10.5 11	YNd11	10	0.6	36.0	9
8000					12	0.6	42.7
10000					14.2	0.55	50.4
12500					16.8	0.55	69.8
16000					20.2	0.5	73.5
20000					24	0.5	89.1
25000					28.4	0.45	105.3
31500					33.7	0.45	126.9
40000					40.3	0.4	148.9
50000					47.6	0.4	184.9
63000					56.2	0.35	222.3

Service environment:
1.Device types: outdoor type
2.Type of Voltage Regulation: Off-circuit or On-Ioad
3.Tapping Range: ±5 % ±2x2.5 % ±4x2.5 %
4.Frequency: 50Hz or 60Hz
5.Phases: Three or single
6.Connection Symbol: Dyn11,Yyn0 ( or as requested)
7.Short- circuit Impedance: Standard Impedance
8.Altiude is not exceeding 1000m,ambient temperature not exceeding 40OC. If it can't meet such conditions,we will modulate parameters in accordance with standard.

Fields of application

It is used to raise the power generated by the power plant to 110 kV /66KV high voltage for efficient transmission over long distances. In substations, they regulate the voltage to ensure a stable supply of electricity to industrial, commercial and residential customers. At the same time, in power plants, these transformers raise the power to a voltage level suitable for long-distance transmission, ensuring the stable operation of the grid.

Customer Case

After Sales Service

1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.

2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.

3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!

Packaging & Shipping

Production Equipment

Certificate