750 kva Pad Mounted Transformer


  • Primary Voltage Ratings: 24.94kV or others
  • Secondary Voltage Ratings: 600GrdY/347v or others
  • H.V. TAP RANGE: ±2×2.5% or others
  • CONNECTION TYPE: Dyn11/YNyn0 or others
  • TYPE: Loop feed/Radial feed
  • BIL: 30-150 kV
  • Standards: IEEE, CSA, DOE
  • Application: BESS, Bitcoin mining, Industry, Renewable energy, EV charging, Utility
  • Power Rating: 750 kVA
  • Certificate: UL, cUL, CSA, SGS

Daelim Transformer is a professional manufacturer of transformers with UL listings and certifications for voltage levels up to 44kV, offering a comprehensive range of UL-certified pad-mounted transformers. Annually, we export thousands of these transformers to the United States and Canada. Proficient in IEEE/ANSI, CSA, DOE, NEMA, and other standards, our team ensures compliance with diverse regulatory requirements. In addition to UL certification, we also hold CSA, MF, CESI certificates, and third-party SGS test reports. With extensive project experience, we understand that each project has unique requirements. That's why we offer customizable transformers, allowing adjustments to voltage, capacity, connection method, and special design to perfectly suit your needs. The 750 kVA pad-mounted transformer can be customized to fit your project requirements. Contact Daelim Transformer today to receive the parameter sheet, drawings, and quotation for the 750 kVA pad-mounted transformer.


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750 kVA Pad Mounted Transformer Specifications
Phase Three phase Std.  CSA C227.4 Std
Power rating 750 kVA  Config Dead Front Loop feed
Mounting Pad Mounted Frequency 60Hz
HV Voltage 24940GrdY/14400 Tap changer 5-position
LV Voltage 600GrdY/347V Fluid Capacity 1210L
HV BIL 125 kV Total weight 3450kG
LV BIL 30 kV Efficiency 99.15%
Cooling method KNAN Impedance 5.75%

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Daelim 750 kVA Pad Mounted Transformer

24.94kV 750kVA Pad Mounted Transformer

24.94kV 750kVA Pad Mounted Transformer

The 750 kVA pad-mounted transformer featured in the image is custom-designed for the Canadian market and meticulously crafted to comply with all CSA standards. Operating with a primary voltage of 24.94kV and a secondary voltage of 600/347V, this transformer is equipped with two two-position load break switches on the high-voltage side, along with three bayonet fuses and a current-limiting fuse. With a temperature rise limited to 65°C, it embodies the hallmark traits of cUL certification, ensuring safety, reliability, anti-tampering measures, and ease of installation.

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12.47kV 750kVA Pad Mounted Transformer

The 750 kVA pad-mounted transformer depicted in the image is meticulously tailored for the US market, boasting a loop feed layout that impeccably aligns with IEEE and DOE standards. Operating at a primary voltage of 12.47kV and a secondary voltage of 480GrdY/277V, this transformer features a four-position loadbreak switch on the high-voltage side, along with three bayonet fuses and a current-limiting fuse. With a temperature rise capped at 65°C and employing the ONAN cooling method, it utilizes mineral oil as the insulating liquid. Backed by a UL certificate, this transformer ensures utmost safety and reliability.

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12.47kV 750kVA Pad Mounted Transformer
Dual HV 750kVA Pad Mounted Transformer

Dual HV 750kVA Pad Mounted Transformer

The 750 kVA pad-mounted transformer featured in the picture boasts a dual high-voltage design, fully compliant with CSA standards. With primary voltages selectable between 14.4kV and 7.2kV, it offers versatility to adjust as per requirements. Additionally, equipped with a 5-position tap changer, it ensures precise voltage regulation. The secondary voltage is 600GrdY/347V. On the high-voltage side, it features a four-position load break switch, 6 dead-front bushings, three bayonet fuses, and current-limiting fuse. The low voltage side is outfitted with essential instruments including an oil gauge, thermometer, and pressure vacuum gauge, among others. The transformer has a temperature rise of 65°C and employs the ONAN cooling method, with mineral oil serving as the insulating liquid. Backed by a cUL certificate, it guarantees safety and reliability.

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None

cUL Listed

cUL Listed

Loop Feed Transformer

Loop Feed Transformer

UL Listed

UL Listed

750 kVA Pad Mounted Transformer

750 kVA Pad Mounted Transformer types

750kva pad-mounted transformer has two structures loop feed and radial feed which can meet U.S. DOE efficiency value.

750 kva pad mounted transformers
 

750 kVA Pad Mounted Transformer Standard Primary

Standard Primary
Voltage Rating Minimum BIL   Voltage Rating Minimum BIL
Delta or Wye Ground Wye
2400 V 45 kV 4160GrdY/2400 65 kV
4160 V 60 kV 12470GrdY/7200 95 kV
4800 V 60 kV 13200GrdY/7620 95 kV
7200 V 75 kV 13800GrdY/7970 95 kV
7620 V 75 kV 22860GrdY/13200 125 kV
12000 V 95 kV 23900GrdY/13800 125 kV
12470 V 95 kV 24940GrdY/14400 125 kV
13200 V 95 kV
13800 V 95 kV 34500GrdY/19920 150 kV
16340 V 95 kV

Learn more about pad transformers: 3 Phase Pad Mounted Transformer

 

750 kVA Pad Mounted Transformer Datasheet

The following table is a datasheet of a 34.5kV 750 kVA pad-mounted transformer for American customers.

Pad Mount Transformer 750 kVA 34.5kv - 480v/277V
Standard manufacturing and testing …. IEEE Std. C57.12.00 IEEE Std. C57.12.90 IEEE Std. C57.12.34
Features
Type   Loop feed pad mount
Rated Power kVA 750
HV V 34500
LV V 480/277
Rated Frequency Hz 60
Refrigerant   Vegetable oil
Cooling Method   KNAN
Losses
No load losses at rated voltage and rated frequency on the principal tap W As DOE 2016 efficiency
Load loss at rated voltage W As DOE 2016 efficiency
Tolerance   10% NLL, 6% Total Loss
Vector Group   Dyn1
Colors   Munsell Green

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750kVA Pad Mounted Transformer Weight

750kVA pad-mounted transformer can weigh up to 3900 kg. The table below is the specific weight of a 34.5 kV 750kVA pad mount transformer with aluminum windings. Due to the difference in voltage, material, accessories, etc., the weight of the 750kva transformer will also be different.

Weight
Oil kg 1300
Total kg 3900

 

750 kVA Pad Mounted Transformers Dimensions

Total Dimensions (For reference)
Height mm 1850
Depth mm 1700
Width mm 1600

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750kVA Pad Mounted Transformers Nameplate

13.8kv 750 kva transformer
 

750 kVA Pad Mounted Transformers Quality and Tech Control

The DAELIM factory has strict technical and quality control to ensure each transformer's reliable, safe, and electrical performance. Daelim 750kva pad-mounted transformers have a long two-year warranty.

 

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