What are the main components of the transformer?

The main components include iron core, winding, fuel tank, oil pillow, breathing apparatus, explosion-proof tube (pressure release valve), radiator, insulating casing, tap switch, gas relay, thermometer, and oil purifier.

What cooling methods are supported?

The transformer uses oil as the main insulation and cooling medium, supporting oil-immersed natural cooling, oil-immersed air cooling, oil-immersed water cooling, and forced oil circulation.

S9 Series 100/630 kVA 2000kVA 3 Phase Oil Immersed Transformers

Name: S9 Series 100/630 kVA 2000kVA 3 Phase Oil Immersed Transformers
Brand: Qingdao Hengfengyou Electrical Engineering Co., Ltd.
SKU: 2124461405

Shandong, ChinaQingdao Hengfengyou Electrical Engineering Co., Ltd.

US$500.00-20,000.00

1 Piece

Product profile

Customization

Available

Application

Power, Electronic, Instrument, Lighting, Rectifier, Audio, Wind Power

Phase

Three

Model NO.

S-M

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Two-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC, Test Report

Usage

Single-phase Transformer, Rectifier Transformer, Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Hfy

High Voltage

6-35kv

Low Voltage

0.4kv

Frequency

50Hz/60Hz

Connection Group

Dyn11 Yyn0

Transport Package

Wooden Case Packages

Specification

1CBM to 15CBM

Trademark

HFY

Origin

China

HS Code

8504210000

Production Capacity

20000

Key features

High Efficiency Core: Imported cold-rolled silicon steel reduces no-load loss and current significantly.

Oxygen-Free Copper Windings: High and low voltage windings use oxygen-free copper for superior conductivity.

Low Noise Design: Tightly bound core and measured noise values lower than standard requirements.

Harmonic Reduction: Dyn11 connection group reduces harmonic influence and improves power quality.

Sealed & Durable: Fully sealed structure with anti-salt fog, moisture, and fungus-proof coatings.

Wide Application Range: Suitable for harsh environments, industrial sites, and power distribution networks.

Customizable Specifications: High voltage 6-35kv, low voltage 0.4kv, and frequency 50Hz/60Hz are customizable.

Certified Quality: Complies with ISO9001, CCC, and GB/IEC standards with rigorous factory testing.

Company profile

Qingdao Hengfengyou Electrical Engineering Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-11-10 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.44h CertifiedTerms of Payment: LC, T/T, D/P, etc.

About Our Factory & Business Background

AddressNo. 638 Zhongcheng Road, Chengyang District, Qingdao, China

Plant Area1500 square meters

Number of Employees32

Registered Capital10,000,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, DDP

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSwitchgear, Substation, Oil-immersed Power Transformer (Only for Sale), Dry-type Transformer (Only for Sale)

Production MachinesMulti Station Bus Facility

R&D Engineers3 people

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2016-08-15

Main MarketsAfrica, Domestic, Central Asia

Number of Foreign Trading Staff5

Overseas Agent/BranchNo

Product Q&A

Q:Is OEM/ODM available?

Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.

Q:What's your MOQ?

One Set.

Q:How is the delivery time?

It depends your order quantity and it normally takes about 15-20 days.

Q:How do you control the quality?

We have QC team comply with TQM to ensure the quality. Each step is in compliance to the standards. At the same time, we will take photos and shoot video for you if you need.Every product will be fully assembled and carefully tested before packing and shipping.

Q:How long is the warranty?

Within one year from the sale date, if there are any accessory problems, you just provide the photos of damaged accessory, then we will provide free accessory. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.