3 Phase Pad Mounted Transformer

Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 3 phase pad mounted transformer in China. If you're going to buy customized 3 phase pad mounted transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.

GNEE Transformer is a professional pad mounted transformer manufacturer located in Henan, China.Specializes in manufacturing 3 phase pad mounted transformers with voltages up to 46 kV and power ratings up to 10 MVA. With over 200 projects completed annually in the Americas, we've installed over 10,000 transformers in the European and American markets.

Application: BESS, EV Charging, Ultiliy, Bitcoin Mining, Data Center,Real Estate, Solar photovoltaic power generation

The specifications of 3 phase pad mounted transformer vary according to different standards, as shown in the table below for IEEE and CSA standards.

In addition to the standard specifications mentioned above, GNEE Transformer can also accommodate customized specifications according to your requirements, such as 1250kVA, 2550kVA, 2600kVA, 3500kVA, 4000kVA, 4500kVA, 7MVA, 8MVA, etc.

The three phase pad mounted transformer is an oil filled distribution transformer designed for underground distribution loads in commercial settings like shopping centers, schools, and industrial plants.

Contact us now to receive a quote for your specific three phase pad mounted transformer specifications.

Contact GNEE Transformer for special requirements

Email: sales@gneeelectric.com

Pad Mounted Transformer Price

The table below provides a price list for 3 phase pad mounted transformers for your reference only. Please note that prices may vary significantly based on different configurations and requirements. Contact us now to get an accurate price for your specific pad mounted transformer.

Pad Mounted Transformer Price List
45 kVA	6-8K	1000kVA	18-36K
75 kVA	8-10K	1500 kVA	20-40K
112.5 kVA	9-12K	2000 kVA	22-45K
150 kVA	10-15K	2500 kVA	25-50K
225 kVA	12-18K	3000kVA	28-56K
300 kVA	13-20K	3750 kVA	30-60K
500 kVA	14-25K	5000 kVA	40-70K
750 kVA	15-30K	10 000 kVA	100-150K

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Pad Mounted Transformer Parts

Standard Parts	Optional Parts
ELSP fuse Bay-O net fuse Oil level gauge Drip tray Drain valve HV bushings LV bushings Carbon steel tank Liquid temperature gauge Pressure vacuum gauge Oil drain valve with sampler Tap changer(5-position/7-positon) Load break switch(4-position or 2-position)	CT IR window ISO link Elbow arresters Kirk key interlock Pressure relief device Sudden pressure relay IFD(fault indicator light) Loadbreak feed-thru insert DV( dual voltage switch) 304/306 stainless steel tank Gauges with alarm/trip contacts NEMA 4 or NEMA 4X rated enclosure Under oil arrester with disconnector

Three Phase Dead front loop feed pad mount transformner Dead Front Transformer

A dead front transformer is a pad-mounted transformer that features fully enclosed electrical connections and components, ensuring that there are no exposed live parts or terminals on the front panel. This design enhances safety by preventing accidental contact with energized elements. Dead front transformers are commonly used in outdoor applications for secure electrical power distribution.

The dead-front pad-mounted transformer is equipped with three/six high-voltage bushings on the high-voltage side, which are completely enclosed in insulating material for enhanced safety. When the hatch is opened, the high-voltage terminal remains unexposed, ensuring higher safety performance.

Dead-front transformers have two configurations: loop feed and radial feed. In the radial feed configuration, there are three bushings on the high-pressure side, while in the loop feed configuration, there are six bushings on the high-pressure side. In the loop feed setup, three bushings can be connected to cables, and the remaining three bushings can be connected to arresters. Alternatively, all six bushings can be connected to cables.

Dead front transformer comes with 200A and 600A separate bushings (bushing well + bushing insert) or a one-piece bushing. In the case of the dead-front transformer with a 200A HV bushing, it can be fully shielded and insulated for the load-break elbow connector connection to the underground cable. For the dead-front transformer with a 600A HV bushing, the current needs to be converted into 200A through the T-body dead-break connector before being connected to the underground cable via the load-break elbow connector. ome BESS projects require 3-phase pad-mounted transformers with 900A dead front bushings, and GNEE Transformer can meet these requirements. We have completed numerous BESS and photovoltaic projects.

 

gNEE Transformer pad mounted transformer projects

2600 kVA Pad Mounted Transformer for Cryptocurrency Mining 2 MVA Pad Mounted Transformer for Utility 1000 kVA Pad Mounted Transformers For Jamaica Market 2000 kVA Pad Mounted Transformers for Canadian Utility 1750 kVA Pad Mounted Transformer for the Dominica 2600 kVA Pad Mounted Transformer For Crypto Mine In Kansas 2550 kVA Pad Mounted Transformer For Data Center in Mexico, Missouri Daelim Transformer Custom 1500 kVA Pad Mounted Transformer for Canada Pad Mounted Transformer for BESS System 4.0 MVA in Riverside County, California

3 Phase Pad Mounted Transformer Sizes

The sizes of 3 phase pad mounted transformers vary based on power ratings, primary and secondary voltages, materials, etc. The table below provides specific dimensions of some pad mounted transformer projects completed by Daelim Transformer for your reference only.

If you need to know the specific size of the transformer you require, please send the transformer specifications to sales@gneeelectric.com.

3 Phase pad mounted transformer grounding

CSA Standard Grounding Provisions

According to CSA standards, grounding provisions for three phase pad mounted transformers include two vertically mounted earth spade terminals welded to the tank wall at a height of at least 150 mm at or above sill level. One terminal is placed on the high-voltage side and one on the low-voltage side. For GrdY transformers, the high-voltage side terminals shall be designated and marked H0. Both terminals shall be unpainted, made of stainless steel, with a width of not less than 40 mm and a thickness of not less than 6 mm. Each terminal is provided with two 14 mm (9/16 inches) holes, spaced 44.5 mm apart.

IEEE Standard Grounding Provisions

For transformers of 500 kVA and below, two steel pads shall be provided, each having a 1/2% inch 13 UNC tapped hole and a minimum thread depth of 11 mm (0.44 in.).

For transformers above 500 kVA, two unpainted copper-faced steel or stainless steel pads measuring 51 x 89 mm (2.0 x 3.5 in) each shall be provided. Each pad has two holes spaced 44 mm (1.75 in) on centers and tapped for a 1/2%-inch 13 UNC thread. The copper finish shall be not less than 0.5 mm (0.02 in.) thick, and the thread depth of the hole shall be not less than 13 mm (0.5 in).

Location

The ground pads should be welded on or near the transformer base, one in each high-voltage compartment and one in each low-voltage compartment. If the transformer tank and compartment are separate, these pads shall be electrically connected.

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