What certifications does the transformer have?

The product has CB, CCC, KEMA, and SASO certifications. It meets GB and IEC standards, including IEC 60076 series and GB/T6451-2008.

What is the expected service life of the transformer?

The transformer features a fully sealed structure with 50-year paint corrosion resistance and a normal operation life of more than 30 years.

Can the tap changer be customized?

Yes, the default is a no-load voltage regulator (NLTC) with 5 or 7 taps, but an On-Load Tap Changer (OLTC) can be customized.

5000kVA 33 Kv Oil-Immersed Distribution Transformer with off-Load Tap Changer

Name: 5000kVA 33 Kv Oil-Immersed Distribution Transformer with off-Load Tap Changer
Brand: Qingdao Hengfengyou Electrical Engineering Co., Ltd.
SKU: 1916830765

Shandong, ChinaQingdao Hengfengyou Electrical Engineering Co., Ltd.

US$3,000.00-100,000.00

1 Piece

Product profile

Customization

Available

Application

Power, Electronic

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

Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Hfy

Rated Capacity

50-31500 kVA

H.V. Winding

33kv

L.V. Winding

0.4kv

Vector Group

Dyn11 Yyn0

No-Load Loss

0.16-2.36kw

No-Load Current

0.55- 1.3%

Short-Circuit Impedance

1.3-0.55 %

Transport Package

Wooden Case Packing

Specification

630*1170*1610

Trademark

HFY

Origin

China

HS Code

8504901900

Production Capacity

2000

Key features

High Reliability & Certification: CB, CCC, KEMA, SASO certified. Meets GB and IEC standards with verified reliability in 50+ countries.

Advanced Winding Technology: High-pressure copper tape and low-voltage copper foil windings ensure high lightning resistance and short-circuit strength.

Premium Core Material: Uses high-quality cold-rolled grain-oriented silicon steel from Baosteel/Wisco to minimize loss and noise.

Long Service Life: Fully sealed structure with 50-year paint corrosion resistance. Normal operation life exceeds 30 years.

Energy Saving Patent: Patented ultra-low loss technology reduces material use by 5% and transformer loss by 10-20% compared to market products.

Customizable Options: Rated capacity 50-31500 kVA. OLTC tap switch customizable. Vector group and voltage levels adjustable.

Wide Application Scope: Suitable for 33KV distribution networks, industrial/mining enterprises, and civil building power supply systems.

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: ≤3.29h 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 is the 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.