Your Professional Conventional Power Transformer Supplier
The company has strong manufacturing capabilities and an efficient marketing system, with products covering 500kV and below ultra-high voltage transformers, 35kV and below dry-type transformers, oil immersed transformers, amorphous alloy transformers, wind and solar storage new energy transformers, prefabricated substations, as well as export series such as single-phase flip type transformers, three-phase transformers, isolation transformers, control transformers, voltage regulators, etc. It can also customize various special transformers such as grounding transformers, arc suppression coils, reactors, rectifier transformers, mining transformers, marine transformers, etc. according to customer needs.
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Three-Phase High Voltage Power TransformerRated Capacity: 2500kVA~120000kVA. Rated Voltage: 35kV, 66kV, 110kV, 132kV, 220kV, 500kV. Phase: Three-Phase. Frequency: 50Hz / 60Hz. Short circuit impedance (Uk,%): 14-18%
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Step Down Power TransformerCapacity: 1000kVA~100000kVA. Input Voltage: 35kV~220kV. Output Voltage: 6kV~35kV. Impedance Voltage: 4%~12%. Cooling: ONAN / ONAF
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Step Up Power TransformerCapacity: 3150kVA~150000kVA. LV Side: 6kV~10kV. HV Side: 35kV~220kV. Tap Changer: OLTC
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110kv 3 Phase Substation TransformerRated Capacity: 6.3MVA~180MVA. HV Voltage: 110kV / 115kV / 121kV. LV Voltage: 6.3kV, 10.5kV, 35kV, 0.4kV. Tap Range: ±2×2.5%, ±8×1.25%. Tap Type: OLTC / NLTC
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Medium Voltage Substation TransformerVoltage Level: 3.3kV, 6.6kV, 10kV, 20kV, 35kV. Rated Capacity: 30kVA~50,000kVA. Phase: Single / Three-Phase. Tap: ±2×2.5%. Cooling: ONAN / ONAF / AF
Why choose us
Certification
The enterprise has obtained system certifications such as ISO9001, ISO14001, ISO45001, SA8000, etc. The 10kV and 35kV distribution transformers and box type substations have successively obtained international certifications such as IEC, UL, TUV, CE, KEMA, GOST, etc.
Sales Market
Our products are not only widely recognized in the Chinese market but are also exported to over 70 countries and regions, including the United States, Europe, Australia, and Southeast Asia.
OEM/ODM
We have a wide range of products, and we will provide technical support according to your actual needs to choose the right product for you.
Product Parameters
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Rated Capacity |
2500kVA~120000kVA |
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Rated Voltage |
35kV, 66kV, 110kV, 132kV, 220kV, 500kV |
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Phase |
Three-Phase |
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Frequency |
50Hz / 60Hz |
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Short circuit impedance (Uk,%) |
14-18% |
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Voltage Regulation |
Off-Circuit Tap Changer / On-Load Tap Changer |
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Cooling |
ONAN,ONAF,OFAF |
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Connection Group |
YNd11,YNynd11 |
Technical Specifications
(Custom configurations available upon request.)
|
HV (KV) |
Tapping Range of HV (%) |
LV (KV) |
Vector Group |
No-load loss (KW) |
Load Loss (KW) |
Impedance (%) |
|
6 |
±2*2.5 |
0.4 |
Dyn11 |
0.41 |
4.52/4.3 |
4 |
|
0.48 |
5.41/5.15 |
|||||
|
0.57 |
6.2 |
6 |
||||
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0.7 |
7.5 |

It meets or exceeds ANSI.IEC.IEEE,DOE,CSA standards.
Safe handling, installation and operation.
Attractive and modern appearance.
Reasonable structure,fully-sealed,higher-system reliability.
High security and reliability in operation.
High capacity of overload and efficiency:it can withstand a certain degree of overload for a short time to adapt to unexpected situations in the power system.
Robust construction with excellent short circuit and thermal withstand capabilities.
It is more efficient by reduced no-load losses and reduced load losses.
Support customization to meet customer needs
Device types: Outdoor type
Type of Voltage Regulation: Off-circuit or On-Ioad
Tapping Range: ±5 % ±2x2.5 % ±4x2.5 %
Frequency: 50Hz or 60Hz
Phases: Three or single
Connection Symbol: Dyn11,Yyn0 ( or as requested)
Short- circuit Impedance: Standard Impedance
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.


Advanced Design
Adopting the art standard three dimesion design software to produce correct and complete engineering documentation.
Adopting the craft of high frequency -welding and winding-Hydraulic compaction to improve short circuit ability.
Adopting the craft of core Hydraulic compaction to improve the strength of core for reducing the noise level.
Designing the transformer base on the worst short circuit conditions for avoiding short circuit issue.
Adopting Electric Stress field calculation program to guarentee insulation level.
Adopting high quality rubber gaskets in groove for leak.
Quality Assurance
Adopting the Quality Control Verification Card to control quality in the whole manufacturing operations.
Strictly selecting the transformer raw material and the suppliers of accessories in domestic and abroad.
All transformers get authentication of ISO9001, ISO14001, OHSAS18001 AND CE.
Comprehensive Training for workes and staffs to improve service quality.
Certificate




FAQ
As one of the most professional conventional power transformer manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale durable conventional power transformer made in China here from our factory. Customized orders are welcome.
