Basic Info.

Model NO.:ZGS

Cooling Method:Oil-immersed Type Transformer

Winding Type:Two-winding Transformer

Certification:ISO9001-2000, ISO9001, UL/cUL

Usage:Power Transformer, Distribution Transformer, Utilities/ New Energy

Frequency Characteristics:50/60Hz

Shape of Core:Stacked Iron Core

Product Name:1250kVA 8 Mva Pad Mounted Transformer with Price

Material:Copper/Aluminum

Standard:CSA / IEEE/ ANSI/DOE/IEEE

Warranty:24 Months

Transformer Type:Oil-Immersed Pad Mounted Type

Rated Primary Voltage:34.5kv/24.94kv/13.8kv/13.2kv/12.47kv

Rated Secondary Voltage:240V/480V

Rated Capacity:75kVA 250kVA 300kVA 500kVA 1000kVA 1500kVA 2000kVA

Color:Green/Gray/Customized

MOQ:1 Set

Core Material:Silicon Steel Core

Vector Group:Dyn11/Yzn11/Yyn0

Insulation Class:Class E

Oil Type:Mineral or Vegetable Oil

Accuracy:0.5%/1%/1.5%

Transport Package:Wooden Case

Specification:Depending on the product

Origin:China

Production Capacity:500/Month

Product Description

A three-phase pad-mounted transformer is an electrical device that converts high voltage to low voltage (or vice versa). It consists of three independent but interconnected single-phase transformers, with each transformer connected to a phase line.

A three-phase pad-mounted transformer typically consists of a core and coils. The core is made up of laminated iron sheets with a high magnetic permeability, which helps conduct the magnetic field. The coils are wound with insulated wire and are separated into low-voltage and high-voltage sides. During operation, an AC power source is applied to the high-voltage side coils, generating an alternating magnetic field that induces voltage in the low-voltage side coils.

The key advantages of a three-phase pad-mounted transformer are as follows:

1. Efficiency: Its three-phase structure allows for the transmission of larger power within a smaller space, improving energy efficiency.
2. Stability: The three-phase operation reduces voltage fluctuations and power wastage.
3. Reliability: With multiple separate transformers, if one transformer fails, the others can continue to operate, enhancing system reliability.
4. Cost-effectiveness: Compared to single-phase transformers, three-phase pad-mounted transformers are more cost-effective and efficient in transmission and distribution systems.

Three-phase pad-mounted transformers are widely used in industrial and residential power systems for applications such as voltage stepping, motor starting, power transmission, and distribution.

Product Parameters

Standard Features

− Mild steel, optional stainless steel tank
− Three-point latching door for security
− Removable sill for easy installation
−Stainless steel cabinet hinges and mounting studs
Bolted-on cabinet with removable sill having the following depths:
19"dedp for 300kva through 750 kva
22"deep for 1000kva through 1500 kva
24"deep for 2000kva through 3750kva
30"deep for 5000kva through 7500kva
− Live front construction & dead front construction
− Steel HV/LV compartment barrier
− Oil drain plug for 500 kVA and below
− 1" drain valve with sampler for 750 kVA and above

− Five-legged core/coil assembly.
− Removable LV neutral ground strap; as required
− Nameplate per ANSI requirement
−Self-actuating pressure relief valve
− Lifting lugs (4)Three-point latching door for security
− Removable sill for easy installation
−Stainless steel cabinet hinges and mounting studs
− Live front construction & dead front construction
− Steel HV/LV compartment barrier
− Oil drain plug for 500 kVA and below
− 1" drain valve with sampler for 750 kVA and above
− Oil fill plug
− Five-legged core/coil assembly.
− Removable LV neutral ground strap; as required