110kV 115kv Power Transformer

Primary Voltage Ratings: 110kv,115kv,121kv or others
Secondary Voltage Ratings: 11/10.5/6.6/6.3kV or others
H.V. TAP RANGE: ±8×1.25% or others
CONNECTION TYPE: YNd11 or others
TYPE: oil immersed transformer or substation transformer

110 kV 115 kV power transformers according to standard 1. GB 6451 Specification and technical requirements for oil-immersed power transformers;2. IEC 60076 Power Transformers;3. AS NZS 60076 Power Transformers;4.CSAC88-16 Power Transformers;5. ANSI/IEEE C57.12.00 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers;6. GOST R 52719 Power Transformers - General Specifications; 7. EN60076 Poer Transformer;8. Local After-Sales Services In North America South America and other regions respond to your needs within 24 hours.

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115 kV Transformer Specifications
115 kV Transformer Dimensions & Weight

115 kV Transformer Specifications
Phase	3 phase	Std.	ANSI C57
Cooling means	ONAN/ONAF1/ONAF2	Fluid	Mineral Oil
Power ONAN	12MVA	Frequency	60Hz
Power ONAF1	16MVA	HV bushing	Porcelain top-mounted
Power ONAF2	20MVA	LV bushing	Porcelain top-mounted
Type	Oil Immersed with oil conservator	Environmental condition	Outdoor
HV Voltage	115 kV	Paint Color	Grey 70
LV Voltage	13.8 kV	Winding Material	Copper
BIL	550/110kV	Vector group	Dyn1

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115 kV Transformer Dimensions & Weight
Dimensions		Weight
Height	5037 mm	Tank & accessories	17200 kg
Depth	3800 mm	Total oil weight	8140 kg
Width	6059 mm	Total weight	35000 kg

Power Transformer Catalog

Daelim Transformer

115 kV Transformer

The SF11-20000/115 is a 115 kV 20 MVA power transformer, offered by Daelim Transformer to meet the specific needs of a power company in Mexico. This transformer adheres to the stringent production standards of ANSI C57 Std. It features a high voltage capacity of 115 kV and a low voltage rating of 13.8 kV.

Daelim Transformer brings a wealth of experience and a proven track record in high-voltage transformer projects within the American market. Their technical and sales teams demonstrate a deep understanding of local regulations and compliance with ANSI, IEEE, and CSA standards. Daelim Transformer's HV transformers have found successful applications in various installations across the United States, Canada, Mexico, Australia, Ecuador, and other nations.

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115 kV 20 MVA Transformer Features

Voltage: This transformer operates at 115 kV and has a substantial capacity of 20 MVA.
Oil Conservator: Equipped with an oil conservator for enhanced performance and longevity.
Vector Group Symbol: The transformer follows a Dyn1 vector group symbol.
Cooling Methods: Utilizes a flexible cooling system, including ONAN, ONAF1, and ONAF2 methods. The power ratings differ under these methods: 12 MVA for ONAN, 16 MVA for ONAF1, and a robust 20 MVA for ONAF2.
Insulation Levels: The high-voltage insulation level is set at 550 kV, while the low-voltage insulation level is 110 kV.
Temperature Ratings: This transformer is designed to handle a maximum winding temperature rise of 65℃ and a maximum oil temperature rise of 55℃.
Tap Changer: The HV side boasts a versatile 5-position tap changer, allowing for five levels of voltage regulation within the range of ±2×2.5%.
Bushings: The high and low-voltage bushings are conveniently top-mounted.
Surge Arrestors: For enhanced safety and protection, the high voltage side is equipped with three surge arrestors.

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Testing and Qualification

The 115 kV 20 MVA transformer undergoes a comprehensive series of tests to ensure it meets the rigorous standards set by ANSI C57. These tests include:

Measurement of Insulation
Measurement of Voltage Ratio and Vector Group
Measurement of Winding Parameters
Separate-Source Power-Frequency Voltage Withstand Test
Measurement of Bushing Capacitance and Dielectric Dissipation Factor
Lighting Impulse Voltage Withstand Test
Induced Over Voltage Withstand and Partial Discharge Test
Measurement of Impedance Voltage and Load Losses
Zero-Sequence Impedance Test Measurement of Noise Level
Pressure Seal Test Temperature Rise Test
Measurement of Winding Frequency Spectrum Response Curve
Current Transformer Test Polarity Test Dimension Test

This battery of tests ensures that the 115 kV transformer complies with ANSI C57 standards and is fully qualified, guaranteeing its reliability and performance.

115 kV 110 kV Transformer Production

Stacked Ircon Core

110kV 115kV Transformer Winding

110kV 115kV Transformer Aasembly

110 kV 115 kV Transformer

115kV/110kV power transformers are designed and optimized by absorbing and utilizing advanced technologies domestically and abroad to optimize the transformer core, coil, body, leads, fuel tank, and other components, which feature low partial discharge, low loss, low noise, lightweight, and high reliability. Its excellent performance has won high praise from users and relevant experts. This product has the characteristics of stability, economy, and environmental protection, and is suitable for power plants, substations, large industrial and mineralization enterprises, etc.

110kV and 115kV Power Transformer Certificates

Daelim has more than 20 years of experience in overseas transformer projects. The markets are North America, South America, Australia, Europe, Asia, etc. Power Transformer has UL/CUL, CSA, CE, IEEE, SGS, CESI, etc., a series of certification and test reports.

110kv transformer csa

110kV and 115kV Power Transformer Specifications

110kv Three-phase duplex winding power transformer on load changer
Rating (kVA)	Voltage Combined		No Load Loss	Load Loss	No Load current	Short-circuit impendance
Rating (kVA)	HV	LV	No Load Loss	Load Loss	No Load current	Short-circuit impendance
6300 kVA	110kV ±8 ×1.25% 115kV ±8 ×1.25%	6.3kv 6.6kv 10.5kv 11kv	10	36	0.8	10.5
8000 kVA			12	45	0.8
10000 kVA			14.2	53	0.74
12500 kVA			16.8	63	0.74
16000 kVA			20.2	77	0.69
20000 kVA			24	93	0.69
25000 kVA			28.4	110	0.64
31500 kVA			33.8	133	0.64
40000 kVA			40.4	156	0.58
50000 kVA			47.8	194	0.58
63000 kVA			56.8	234	0.52

110kv Three phase three winding power transformer on load changer
Rating (kVA)	Voltage Combined			No Load Loss	Load Loss	No Load current
Rating (kVA)	HV(kV)	MV(kV)	LV(kV)	No Load Loss	Load Loss	No Load current
6300 kVA	110kv±8 ×1.25% 115kv±8 ×1.25%	35kv 37kv 38.5kv	6.3kv 6.6kv 10.5kv 11kv	12	47	0.95
8000 kVA				14.4	56	0.95
10 MVA				17.1	66	0.89
12.5 MVA				20.2	78	0.89
16MVA				24.2	95	0.84
20MVA				28.6	112	0.84
25MVA				33.8	133	0.78
31.5MVA				40.2	157	0.78
40MVA				48.2	189	0.73
50MVA				56.9	225	0.73
63MVA				67.7	270	0.67

110 kV 115 kV Transformer Accessory

110kv power transformer accessories
Daelim transformers have a complete supply chain at home and abroad. If you have the brand and technical requirements for the 110kV and 115 kV transformers accessories, we will be satisfied and assured of the fastest speed and optimal competitive price.

110 kV 115 kV Transformer Testing

After the transformer is produced, Daelim will conduct factory tests on the transformer, such as resistance, variable ratio, impulse strength, audible sound, etc. If you have special test requirements such as Short Circut, Temperature Rise, etc. can also be met.

110 kV 115 kV Transformer Packaging

For the shipping of 110kV or 115kV transformers, Daelim uses one 20-frame container and one 40 HQ container. The radiator, oil conservator, and other accessories are packed in wooden cases. The transformer body is well fixed with steel wire rope and sleeper, and equipped with an impact recorder.

110kv 115kv transformer packaing