Three-phase Pad-mounted Compartmental Type Transformer
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Three-phase Pad-mounted Compartmental Type Transformer

Three-phase Pad-mounted Compartmental Type Transformer

The primary function of a three-phase Pad-mounted Compartmental Type Transformer is to step down high voltage electricity from distribution lines to lower voltage levels (e.g., 240V or 480V) suitable for local use. This transformation allows safe and reliable electricity supply directly to consumers without further significant voltage reductions.

Transpower Electrical Equipment Co., Ltd. is one of the most reliable manufacturers and suppliers of three-phase pad-mounted compartmental type transformer in China. Welcome to buy high quality customized products at competitive price from our factory. Contact us for quotation.

 

Three-phase Pad-mounted Compartmental Type Transformer

 

Functionality and Operation

 

The primary function of a three-phase Pad-mounted Compartmental Type Transformer is to step down high voltage electricity from distribution lines to lower voltage levels (e.g., 240V or 480V) suitable for local use. This transformation allows safe and reliable electricity supply directly to consumers without further significant voltage reductions.

 

Available Supply

 

Power Rating

45kVA~6000kVA

Primary Voltage Ratings

up to 35kV

Secondary Voltage Ratings

up to 24.94kV

H.V. Tap Range

±2×2.5% or others

Connection Type

Delta/Wye

Winding Conductor

Copper or Aluminum

TYPE

Loop feed / Radial feed

Configuration

Live front / dead front

BIL

30-150kV

Standards

ANSI, IEEE, DOE, CSA, NEMA, UL

Application

Residential Areas, Hotels, Single Family Houses, Parks, Distribution Systems

Oil Type

Mineral Oil or Biodegradable Natural Vegetable Oil, Non PCB Fluid

Finish Color

Bell Green or as customized

Enclosure Rating

NEMA 3R Weatherproof Wiring Cabinet, Sealed Tank

 

Core features

 

● Increased overload capability

● High-level of fire safety with unprecedented track record of zero fire incidents

● Triple the equipment longevity of a comparable mineral oil transformer

● Readily biodegradable and non-toxic high fire-point transformer fluid

● Mineral or FR3 fluid provides sustainable performance at a low cost

● Fluid conforms to ASTM D6871-03 and to IEEE PC57.147

● Compartmental type transformer designed to meet exact customer specifications

 

Three-phase Pad-mounted Compartmental Type Transformer Parameters

 

The following table is the standard parameter of the Three-phase Pad-mounted Compartmental Type Transformer. If you need other capacity and voltage levels, please contact the TRANSpower to obtain accurate technical parameters and offers.

We provide customized three phase pad mounted transformers according to customers.

Below Specs Are For Reference ONLY.

Three Phase Pad Mount Transformers Sizes

kVA

Type

HV

LV

W(mm)

D(mm)

H(mm)

75

radial

25000Delta

480GrdY/277

1280

1085

1085

150

loop

14400v

600GrdY/347

1480

1250

1750

225

radial

4160Delta

347GrdY/600V

1480

1295

1750

300

loop

345000

208GrdY/120

1500

1730

1850

500

loop

1247Grdy/7200V

600Y/347

1447

1800

1750

750

radial

24940GrdY/14400

800GrdY/462

1485

1730

1750

1,000

radial

249400DELTA

480V

1730

1350

1850

1,250

loop

25000V

416V

1730

1320

1920

1,500

loop

4160GRDY/2400

600GrdY/347

1730

1910

1965

1,500

loop

34500DELTA

480GrdY/277

2220

2069

2065

1,750

loop

13800Delta

480GrdY/277

1730

2304

1900

2,000

radial

4160DELTA

415GrdY/240

1730

1950

1810

2,500

loop

25000DELTA

600GrdY/347

1730

2560

1960

2,550

loop

12470DELTA

415GrdY/240

1730

2000

2200

2600

Loop

34500DELTA

416GrdY/240

1730

1695

2290

3000

Loop

27,600DELTA

13,800DELTA

1830

2360

2000

4000

loop

27600Delta

600GrdY/347

1900

2500

2010

5000

radial

13,800DELTA

4,160GrdY/2,400

1900

2735

2500

7000

loop

27,600DELTA

13,800DELTA

2200

3030

2080

7500

loop

249400DELTA

4.16kv Wye

2300

3200

2100

10000

loop

24900GrdY/14400

600V

2800

3500

2560

 

Three-phase Pad-mounted Compartmental Type Transformer Test & QC

 

After each unit of Pad mounted transformer manufactured, routine tests/FAT will be carried out by the requirements of ANSI/IEEE C57.12.90 and C57.12.00. The test report comply with IEEE/CSA standards, and efficiency comply with DOE 2016 Standards.

 

Routing Test in Our Factory
Winding Resistance Test
Insulation Resistance Test
Voltage Ratio Error Test
Short-circuit Impedance Test
No-load Loss (Wattage) Test
Load Loss (Wattage) Test
Induced Voltage Withstand Test
Separate Source Voltage Withstand Test
Pressure Integrity Test Test

 

We offer both online and offline test supervision options for our customers. You can also choose a third party, such as SGS, CSA, or UL to visit Transpower's factory, during the witness test, the test being executed and receive a report that fully comply with standard requirements. Alternatively, you can request online video monitoring to observe the testing process in real-time. Ensuring transparency and confidence in the testing procedures.

Our production and testing equipment have professional calibration every year.

Test Center

 

Three-phase Pad-mounted Compartmental Type Transformer Outline

 

product-1179-872

product-800-600
product-850-638

 

Our Packages and Shippings

 

Assembly and Packaging Area

product-800-600
product-800-600

 

After Assembled then Shipping by container

product-800-600
product-800-600

 

Applications

 

Our Three Phase Pad Mount Transformers can be used in variety of applications, all ranging in complexity.

product-809-321

product-805-289

 

Frequently Asked Questions (FAQ)

 

Q: What Is The Difference Between Dead Front And Live Front?

A: Live-front: The voltage-carrying parts are exposed. Live-front terminations have high voltage connectors, arresters, or fuses are exposed to the operator after cabinet has been opened.
Dead-front: Often referred to as dead-front bushings. Safety is enhanced as there are no current-carrying parts exposed to the operator. For overhead distribution transformers and underground submersible transformers, live front is common. For pad mount transformers, the primary is typically dead front and the secondary is live front. Protection barriers can be added to live front pad mounted transformers.

Q: What are the benefits of using pad mount transformers?

A: Space Efficiency: Designed for ground-level installations, saving vertical space.
Accessibility: Easier maintenance and access compared to overhead transformers.
Aesthetic Considerations: Can be placed in discreet locations to minimize visual impact.
Safety: Enclosed units reduce exposure to live electrical components.

 

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