7500 kVA (7.5 MVA) Substation Transformer

Primary Voltage Ratings: 27.6kV
Secondary Voltage Ratings: 4.16kV
H.V. TAP RANGE: 26220V-28980V
CONNECTION TYPE: YNd1
TYPE: SL-7500-27.6-4.16 substation transformer
BIL: 60-125kV
Standards: CSA C88
Application: Distribution system, EV charging, BESS, Bitcoin mining, Industry
Power Rating: 7500 kVA, 7.5 MVA
Certificate: cUL

Daelim Transformer is indeed a professional transformer manufacturer with a global presence, catering to customers across various industries. Their 7500 kVA (7.5 MVA) transformers find applications in diverse sectors, including offshore oil production, industrial and steel plants, military installations, manufacturing facilities, construction real estate, and data centers.One of the strengths of Daelim Transformer lies in its ability to provide customized solutions to meet specific requirements. They can tailor transformers for special environments, accommodating unique operating conditions or challenging settings. Additionally, Daelim Transformer can address temporary power requirements, offering solutions for short-term or mobile power needs.

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7500 kVA (7.5 MVA) Substation Transformer Specifications
Standard	CSA C88	Width(mm)	3350
Method	KNAN	Length(mm)	3290
kVA	7500KVA(7.5MVA)	Height(mm)	2270
HV	27,600Y	Efficiency	99.56%
LV	4,160DELTA	Impedence	6.50%
Vector Group	YNd1	Color	ANSI Grey70#
Oil weight	2,700kg	Winding material	COPPER
Total weight	12000kg	No. OF TAP POSITION	5

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Contact Daelim Transformer for special requirements

Tel/Whatsapp:+86-15801656761
Email:pingruidan@daelim-electric.com

pingruidan@gmail.com

Liquid Level Gauge
Top Oil Temperature Gauge
Fill Plug
Drain Valve with Sampler
Schrader Valve for Nitrogen Blanket
Automatic Pressure Relief Valve
Externally Operated De-Energized Tap Changer
Tank Grounding Pads
Jacking provision
Base designed for rolling
Undercoating of tank bottom to prevent corrosion
Diagrammatic corrosion-resistant nameplate

Hazardous duty for classified areas
Primary & Secondary Dual Voltage & Special Taps
Primary Molded Vacuum Interrupters
Secondary Breakers
304L & 316L Stainless Steel tank, cabinets, & hardware
Mineral Oil or Natural Ester Fluid
Nitrogen Pressurization Systems
K-Factor for drive applications
Neutral Grounding Resistors
Seismic Withstand
Fork Lift Pockets
Special Paint Colors

cUL Certificate

SL-7500-27.6-4.16 Transformer

The SL-7500-27.6-4.16 transformer is designed as a sealed tank construction with a welded lid, adhering to the IEEE/ANSI C57.12 and CSA C88 standards. The transformer features bushings that are sidewalk-mounted and equipped with full-air terminal chambers, specifically designed for switchgear interconnection.

Operating at a primary voltage of 27.6kV and a secondary voltage of 4.16kV, the transformer employs the ONAN (Oil Natural Air Natural) cooling method to maintain optimal operating temperatures. With a capacity of 7500 kVA （7.5MVA）, it is capable of delivering substantial power requirements.

The compliance with recognized standards, sealed tank construction, and specialized bushing design make the 7.5 MVA transformer a reliable and efficient choice for various applications in the industry.

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SF-7500(9375)(10500)-13.8-2.4 Transformer

The Daelim Transformer SF-7500(9375)(10500)-13.8-2.4 is designed and applied in accordance with the IEC 60076 standard, specifically for the Ecuadorian market. The transformer operates at a high voltage of 13.8kV and a low voltage of 2.4kV.

For cooling, the transformer utilizes the ONAN/ONAF1/ONAF2 method, allowing for different cooling modes based on the requirements. The transformer has a base capacity of 7500 kVA when self-cooled, but it can be enhanced to 9375 kVA by activating a group of fans (ONAF1). Furthermore, with the full activation of fans (ONAF2), the capacity can reach up to 10.5 MVA.

The high voltage side of the transformer offers five levels of voltage regulation, allowing for flexibility in voltage adjustments within the range of 13110V to 14490V. The transformer has an impedance value of 6.8% and follows the Dyn1 connection group.

With a total weight of 15000kg, the Daelim Transformer SF-7500(9375)(10500)/13.8/2.4 is designed to meet the specific requirements and standards of the Ecuadorian market, offering efficient and reliable power distribution solutions.

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SF-7500(9375)(10500)-13.8-2.4 Transformer

SL-7500(9375)-34.5-4.16 Transformer

The Daelim Transformer SL-7500(9375)/34.5/4.16 is designed to comply with IEEE C57.12.00, IEEE C57.12.36, and IEEE C57.12.90 standards, specifically for applications in Texas, USA. This transformer features copper windings for both the high and low voltage sides, ensuring efficient power transmission. The high and low voltage connections are configured as Dyn1.

To ensure reliable insulation, the transformer utilizes vegetable oil as the insulating liquid. It employs the KNAN (K-class, Natural cooling) and KNAF (K-class, Forced cooling) methods for efficient cooling. The KNAF power rating is 7.5 MVA, while the KNAN power rating reaches 9375 kVA.

In terms of physical dimensions, the transformer has a length of 3800mm, a width of 2800mm, and a height of 3000mm. With a total weight of approximately 15000kg, it is built to withstand the demanding conditions of power distribution in the Texas region. The Daelim Transformer SL-7500(9375/34.5/4.16) ensures reliable performance and adherence to international standards.

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