What are the customizable voltage ranges?

The high voltage can be customized from 11kv to 33kv, and the low voltage winding is available in 0.4kv or 0.415kv.

What certifications does the transformer have?

The product holds ISO9001-2000, ISO9001, and CCC certifications.

High Quality Three-Phase 11kv 22kv 33kv Step Down Oil-Immersed Distribution Transformer

Name: High Quality Three-Phase 11kv 22kv 33kv Step Down Oil-Immersed Distribution Transformer
Brand: Qingdao Hengfengyou Electrical Engineering Co., Ltd.
SKU: 1976535982

Shandong, ChinaQingdao Hengfengyou Electrical Engineering Co., Ltd.

US$1,000.00-20,000.00

1 Piece

Product profile

Customization

Available

Application

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

Usage

Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Hfy

High Voltage

11kv-33kv

Low Voltagewinding

0.4kv 0.415kv

Frequency

50Hz/60Hz

Rated Capacity

50-3150 kVA

Connection Group

Dyn11

No-Load Loss

0.16-2.36kw

No-Load Current

0.55- 1.3%

Short-Circuit Impedance

1.3-0.55 %

Ambient Temperature

-40℃ -+ 40℃

Transport Package

Wooden Case Packing

Specification

630*1170*1610

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.

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

Fully Sealed Structure: Salt fog, moisture, and fungus proof with durable multi-coat paint finish.

Low Noise Operation: Tightly bound core ensures compactness and noise levels below standard limits.

Customizable Specifications: Customizable high voltage (11-33kV), capacity (50-3150kVA), and frequency.

Global Standards Compliance: Produced in accordance with Chinese GB and international IEC standards.

Versatile Application: Suitable for harsh environments including flammable/explosive industrial sites.

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.