1,000+ Electrical Transformers (7.2–34.5 kV, 25–3000 kVA) — UL Evaluated, Certificate of Compliance Available — In Stock & Ready to Ship from Houston, CA & Florida. Contact Us Today!
Primary Voltage Ratings: 34.5-19.92/13.8-7.957/13.2-7.62/12.47-7.2,13.2, 44 or others
Secondary Voltage Ratings: 208GrdY/120;416GrdY/240,480GrdY/277,/600GrdY/347,220y/127,480V,415v,600v or others
H.V. TAP RANGE: ±2×2.5% or others
CONNECTION TYPE: Dyn11/YNyn0 or others
TYPE: Loop feed/Radial feed
BIL: 30-200 kV
Standards: ANSI/IEEE, CSA/CAN, DOE
Application: BESS, Data center, Industry, Renewable energy, EV charging, Utility
Power Rating: 1000 kVA, 1 MVA
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 1000 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 1000 kVA Pad Mounted Transformer.
| 1000 kVA Pad Mounted Transformer Specifications | |||
| Power rating | 1000kVA, 1 MVA | No load loss | 1040w |
| HV Voltage | 13200DELTA | On load loss | 8095w |
| LV Voltage | 480GrdY/277V | Frequency | 60Hz |
| HV BIL | 95kV | Vectorgroup | Dyn1 |
| LV BIL | 30kV | No. of tap position | 7 |
| Length | 1730mm | Tank & Accessories | 2200lbs |
| Width | 1525mm | Oil weight | 310GAL |
| Height | 1885mm | Total weight | 8360lbs |
| HV/LV Winding | Aluminum | Impedance | 5.50% |
| Altitude | ≤1,000m | Color | Munsell 7GY3.29/1.5 |
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Contact Daelim Transformer for special requirements
| 1000 kVA Transformer Accessories | |||
| Name | Qty | Name | Qty |
| Fill plug | 1 | Drip tray | 1 |
| Lifing lug | 4 | Door handle | 1 |
| Hinged door | 2 | Tap changer | 1 |
| Flip top cover | 1 | Bay-O-net fuse | 3 |
| Ground steel pads | 3 | Isolation link | 3 |
| H.V bushing(15kV) | 3 | Mounting bracket | 2 |
| Ground strap copper | 1 | Oil level gauge | 1 |
| L.V bushing(6 hole) | 4 | Temperature indicator | 1 |
| Pressure relief valve | 1 | Two position loadbreak switch | 1 |
| Vacuum pressure gauge | 1 | Rigid barrier between H.V & L.V | 1 |
| Drain valve with sampler | 1 | Under-oil arrester disconnector(18kV） | 1 |
| Name plate(stainless steel) | 1 | Upper fill valve filter press connection | 1 |
| 1000kVA (1MVA) Transformer Specifications | |||
| Power rating | 1000kVA | Frequency | 60Hz |
| HV Voltage | 44000DELTA | Vectorgroup | Dyn1 |
| LV Voltage | 600Y/347V | No. of tap position | 5 |
| HV BIL | 250kV | Oil weight | 1700L |
| LV BIL | 30kV | Total weight | 4600Kg |
| Std. | CSA C88 | Impedance | 5.75% |
| Efficiency | 99.15% | Color | Munsell green |
| HV/LV Winding | Aluminum | Temperature rise | 65℃ |
Daelim Transformer has recently enhanced the coating process for pad-mounted transformers, resulting in an upgraded coating for our transformers. We will be applying an additional layer of asphalt anti-corrosion coating to the bottom of the pad-mounted transformer to enhance its resistance to corrosion, enabling it to withstand more severe working environments. As depicted in the picture, each of our 1000 kVA pad mounted transformers comes with an asphalt anti-corrosion coating.
At Daelim Transformer, we take the manufacturing of transformers seriously. It is our responsibility to continuously improve the manufacturing process of transformers and pursue the highest quality standards.
The ZGSL-Z-1000/13.2/0.48 is a 1000 kVA pad mounted transformer with a primary voltage of 13.2 kV in a delta configuration, and a secondary voltage of 480Y/277V. Both the high and low voltage windings are made of aluminum, and the cooling method employed is ONAN (Oil Natural Air Natural). The transformer is designed with a Dyn1 connection group and utilizes mineral oil as the insulating liquid.
Daelim Transformer has regular stock available for IEEE Std 1000 kVA pad mounted transformers. The following table provides specific stock information. Contact Daelim Transformer now for immediate shipment.
| Technical Data | Quantity | |
| Rating | 1000kVA | 4 units |
| Primary Voltage | 12.47kV | |
| Secondary Voltage | 480V | |
| Frequency | 60Hz | |
| Vector Group | YNyn0 | |
| Winding Material | Aluminium | |
| Tap Changer | 5-position | |
| Color | Munsell Green | |
| Fuse | bay o net & ELSP fuse | |
| LB Switch | four-positon | |
| Technical Data | Quantity | |
| Rating | 1000 kVA | 4 units |
| Primary Voltage | 24.94Grdy/12.47kV | |
| Secondary Voltage | 480Grdy/277 | |
| Frequency | 60Hz | |
| Vector Group | YNyn0 | |
| Winding Material | Aluminium | |
| Tap Changer | 5-position | |
| Color | Munsell Green | |
| Fuse | bay o net & ELSP fuse | |
| LB Switch | four-positon | |
This 1000 kVA (1 MVA) pad mounted transformer has been customized for an American customer, and a total of 6 units are provided. The transformer follows a live front layout design. It features three integrated high-voltage bushings, specifically 15kV porcelain bushings with 4 holes each. Additionally, there are four low-voltage bushings, which are spade-type bushings with 6 holes each. The configuration also includes a two-position load break switch, three under-oil arresters, and a 7-position tap changer. The low-voltage is grounded the tank. The transformer’s design adheres to the standards specified by IEEE Std. C57.12.00, IEEE Std. C57.12.90, and IEEE Std. C57.12.34. Furthermore, its efficiency meets the requirements outlined in DOE 2016 Std.
The ZGSL-Z-1000/44/0.6 is a pad-mounted transformer, cUL listed and tailored to meet the specific needs of Canadian customers. It operates at a high voltage of 44 kV and a low voltage of 600Y/347V, delivering a substantial power rating of 1000 kVA (1 MVA). Notably distinct, this 1000kVA (1 MVA) transformer adopts a live front configuration. A distinctive feature sets it apart: its structural layout diverges from that of conventional live fronts. The design incorporates a unique side-out arrangement for both high and low-voltage components.
At the low voltage, the 1000kVA (1MVA) transformer showcases four spade bushings and features an air terminal chamber extending towards the bottom of the oil tank. The high-voltage side, in contrast, employs three one-piece porcelain bushings furnished with 4 holes and a throat. A range of essential accessories, such as winding temperature indicators, oil gauges, pressure vacuum gauges, pressure relief valves, tap changers, and load break switches, are strategically positioned along the side of the fuel tank wall.
Compliance is assured with the CSA C88 Std., reflecting the commitment to adhering to industry standards. This meticulously designed transformer stands as a testament to both its specialized construction and its alignment with the precise requirements of the Canadian market.
Pad-mounted transformers have the responsibility of reducing the voltage level to the typical residential voltage that is generally used to power electrical devices, appliances, and lighting. This is significantly done so that the devices, appliances, and lighting can be generally powered by the transformers. These large green power boxes are typically seen frequently in a variety of different locations around the city.
1000 kVA pad-mounted transformers usually come complete with their self-protecting fuses. One of these fuses is a high-energy current-limiting backup fuse, while another fuse, a bayonet mount fuse, is mainly installed in a high-voltage compartment.
As a result, the 1000 kVA pad-mounted transformer is always protected from overloading as well as secondary failures.
1000 kVA pad-mounted transformers can be also installed anywhere, including indoors, outside, or even on the streets.
It is highly recommended that a 1000 kVA pad-mounted transformer is always installed outside; however, it is possible to install these transformers anywhere.
Common names for this kind of equipment include liquid-filled radial feed pad-mounted or loop feed pad-mounted transformers.
Applications
Some of the advantages of a pad-mounted transformer with a producing capacity of 1000 kVA include:
The 1000 kVA pad mounted transformer has a wide range of applications across various sectors, including utility, industrial, energy storage, solar energy, wind energy, commercial, and more.
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1000kva pad-mounted transformer has two structures loop feed and radial feed which can meet U.S. DOE efficiency value. Whether you are from the United States, Canada, Mexico, or Honduras, Daelim’s pad liquid transformers can meet local technical requirements.
The following table is the standard primary voltage of 1000kva transformers. If you need other levels of voltage or special requirements, Daelim’s technical team can also customize the design.
| 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-Daelim Belefic
The figure below is the outline drawing of a 12 kV 1000 kVA pad-mounted transformer.
Learn more about Transformer Diagrams
The following table is the tech datasheet of a 12.47 kV 1000 kVA pad-mounted delta transformer.
| Pad Mount Transformer 1000kVA 12740V:480Y/1.732V | ||
| DATA | UNIT | Offered |
| Supplier | …. | Beijing Daelim |
| Model | …. | ZGS11-H-1000/12.74 |
| 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 | |
| Installation | Outdoor | |
| Altitude above sea level/Ambient temperature | m/℃ | 1000/50 |
| Altitude | ≤1500m | |
| Rated Power | kVA | 1000 |
| HV | V | 12740 |
| LV | V | 480Y/1.732 |
| Rated Frequency | Hz | 60 |
| Cooling System | ONAN | |
| Core/Shell | Core type | |
| Refrigerant | Mineral oil 45# (PCB FREE) | |
| Losses | ||
| No load losses at rated voltage and rated frequency on the principal tap | W | 1150 |
| Load loss at rated voltage | W | 10300 |
| Core legged | 3 | |
| Winding material | Aluminum | |
| High voltage electrical characteristics of transformers and assembled load break terminals | ||
| Insulation class | kV | 15 |
| BIL | kV | 95 |
| Low voltage | ||
| Insulation class | kV | 1.2 |
| BIL | kV | 30 |
| Impedance | % | 5.75 |
1000kVA pad-mounted transformer weighs about 3200kg. The table below is the specific weight of a 12.47 kV 1000 kVA loop feed pad mount transformer with aluminum windings produced by Daelim. Due to the difference in voltage, material, accessories, etc., the weight of the 1000 kVA pad transformer will be different.
| Weight | ||
| Oil | kg | 650 |
| Total | kg | 3235 |
The following table is the detailed size of a 1000kva loop feed pad mount transformer designed and produced by Daelim.
| 1000 kVA Pad Mount Transformer Dimensions | ||
| Height | mm | 1651 |
| Depth | mm | 1549 |
| Width | mm | 1854 |
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The picture below is a 24.94kV 1000 kVA radial feed pad mount transformer for the Canadian market. From the transformer nameplate, you can see that there is important information such as temperature rise, primary voltage, secondary voltage, capacity, weight, capacity of transformer oil, voltage regulation range, build standard, connection method, etc.
The DAELIM factory has strict technical and quality control to ensure each transformer’s reliable, safe, and electrical performance. Daelim 1000kva pad-mounted transformers have a long two-year warranty.
Down load: Daelim Trabsfirner Tech Control
Please feel free to contact the Daelim Team if you have any concerns.
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