Tanaka Electric Tanaka Electric

7.2kv-34.5kv/120-600V 75-5000kVA Oil Filled Padmounted Ground 3 Three Phase Pad Mounted Transformer

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Product Description

Basic Specifications

Model NO.Three Phase Pad Mounted Transformer
CoreCore-type Transformer
Cooling MethodOil-immersed Type Transformer
Winding TypeTwo-winding Transformer
CertificationISO9001, CCC, IEC, IEEE, CNAS
UsageDistribution Transformer
FrequencyPower Frequency
Rated H.V.Up to 34.5kV
Rated L.V.120/240V/240/347V/480V/600V
Winding MaterialCopper/Aluminium
Vector GroupDyn11/Yyn0/Yzn11/Dyn5
Core MaterialSilicon Steel/Amorphous Alloy
Rated PowerUp to 10MVA
HS Code8504210000

Product Description

Three Phase Pad Mounted Transformer Overview

Technical Description

Type: Loop feed / Radial feed
Primary Voltage: Up to 36kV
Secondary Voltage: 120/240/480/600V
Rating Power: Up to 10 MVA

Technical Parameters (Oil-filled Type)

Rated Capacity (kVA) High Voltage (kV) Tapping Range Low Voltage (V) Vector Group Impendance (%) Dimensions (LxWxH mm)
757.2 - 34.5±5% / ±2x2.5%120 - 600Dyn115.51550x1170x1750
1507.2 - 34.5±5% / ±2x2.5%120 - 600Dyn115.51730x1550x1750
3007.2 - 34.5±5% / ±2x2.5%120 - 600Dyn115.52350x1650x1750
5007.2 - 34.5±5% / ±2x2.5%120 - 600Dyn115.52570x1650x1750
10007.2 - 34.5±5% / ±2x2.5%120 - 600Dyn116.03900x1850x1950
25007.2 - 34.5±5% / ±2x2.5%120 - 600Dyn116.05200x2050x2150

Advantages & Design

Key Advantages

  • Strong overload capacity without affecting service life.
  • Energy-saving, environmental protection, and stable operation.
  • Three-phase five-column structure ensures high voltage quality.
  • Low noise and excellent lightning protection performance.

Design Features

  • Compartmental design available in live-front or dead-front.
  • Special attention to surge protection for critical loads.
  • Step-up (GSU) applications specifically for Solar Photovoltaic.
  • Vacuum fault interrupter options for space-saving protection.

Applications

These padmounted transformers are designed for outdoor installation, typically on concrete pads. They are ideal for:

  • Residential and commercial areas.
  • Public streets and parks.
  • Hotels and countryside distribution.
  • Industrial power supply networks.

Product Gallery

Transformer View 1
Transformer View 2
Transformer View 3
Transformer Interior 1
Transformer Interior 2
Transformer Detail

Frequently Asked Questions

Q: What standards do your three-phase pad mounted transformers comply with?

Our transformers meet or exceed ANSI, IEEE, NEMA, and IEC standards, including ISO9001 and CE certifications.

Q: What are the primary applications for these transformers?

They are commonly used in residential areas, commercial complexes, parks, and industrial sites where underground power distribution is required.

Q: Do you support customized specifications?

Yes, we provide professional engineering support to customize voltage, capacity, and accessory configurations based on specific project requirements.

Q: What type of cooling method is used?

These are oil-immersed, self-cooled transformers designed for stable outdoor operation and efficient heat dissipation.

Q: What is the typical lead time for production?

Once the technical plan is finalized, production and shipping preparation typically take around 20 days, depending on the order quantity.

Q: How are the transformers protected during transport?

Transformers are wrapped in protective plastic, cushioned with pearl cotton, and secured on wooden pallets or within wooden frames/boxes to ensure safety during transit.

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