Do you accept Factory Acceptance Test?

Yes. It's available. And we are responsible for each set transformer's testing (ICE).

Do you assign engineer for after-sale service?

Yes. For our products,we all provide after-sale installation instructions service

220kv 31500kVA Three Phase Two Winding on-Load-Tap-Changing Power Transformer

Name: 220kv 31500kVA Three Phase Two Winding on-Load-Tap-Changing Power Transformer
Brand: Shenda International Engineering Co., Ltd.
SKU: 699490222

Zhejiang, ChinaShenda International Engineering Co., Ltd.

US$6,000.00-500,000.00

1 Piece

Product profile

Customization

Available

Application

Power

Phase

Three

Model NO.

SZ-31500kva/220kv

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001

Usage

Power Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Kou Type

Brand

Eacher

Service Condition

Indoor/Outdoor

Tap Changer

Nltc/Oltc

Cooling Type

Ofwf/Onan

Core Structure

Toroidal

High Voltage Range

220-242kv

Iron Core

Silicon Sheet

Loss

Low Loss

Transport Package

Sea Worthy Packing

Specification

CE, ISO, IEC, GB, ANSI

Trademark

EACHER

Origin

Jiangshan City, Zhejiang Province, China

Production Capacity

6000sets Per Year

Key features

Low Power Loss: No-load loss is 30% lower than IEC standard.

High Reliability: All in-service products have no damages or oil leakage.

Low Noise Design: Products under 63MVA have noise lower than 58 dB (AN).

Advanced Core Material: Made of high-permeable grain-oriented silicon steel sheets.

Superior Insulation: Apparent discharge amount less than 80pC at 1.5x rated voltage.

Corrugated Oil Tank: Welds decreased and mechanical strength enhanced with diverging effect.

Comprehensive Testing: Routine, type, and special tests conducted per IEC 60076 standard.

Certified Quality: ISO9001, ISO14001, OHSAS 18001, CE, and KEMA certified.

Company profile

Shenda International Engineering Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2004-09-01 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryThe supplier is presented primarily as a transformer manufacturer, with products covering power, dry-type, test, autotransformers, and multiple reactor types. Evidence indicates substantial production resources, including more than 10 production lines, 500 production and testing systems, reported annual capacity of about 18,000,000 kVA, and stated IEC-compliant performance. The supplier also reports CESI and KEMA test reports and experience exporting since 2004. However, the slices contain material inconsistencies: one record identifies the company as a manufacturer with 26 employees and a 2,000 m² plant, while another describes two production bases, over 1,000 employees, and a 370,000 m² factory. After-sales capability, customer cases, and specific innovation outputs are not sufficiently documented.

CertificationsThe supplier states that it holds CESI short-circuit and KEMA test reports for specified transformer ratings, and that product performance meets IEC standards. These are explicit testing and standards-related claims, but no broader certification list is provided.

R&D capabilityThe supplier reports four years of R&D engineer experience, an explicit focus on R&D, and imported production and testing equipment from Germany and Japan. These indicate some R&D and technology investment, but the slices do not document patents, new product development results, or other measurable innovation outcomes.

Production capacityProduction capability is supported by more than 10 production lines, 500 production and testing systems, a broad transformer and reactor portfolio, and a reported annual capacity of about 18,000,000 kVA. The records also describe advanced automated and vacuum-drying equipment, although the reported factory size and employee count conflict across slices.

Customization capabilityThe supplier states that it can completely meet customer requirements and offers a broad range of transformer, reactor, substation, heat-exchange, and pressure-vessel products. However, no specific examples of customized designs, engineering changes, or customer-specific projects are provided.

Client casesThe supplier states that it was appointed as a transformer manufacturer at 330 kV levels and below by the National Electric Power Corp and Mechanical Industry Union. This indicates institutional or industry recognition, but the slices do not provide named customer project references, delivery records, or detailed case studies.