What certifications does the transformer have?

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

What standards are used for production?

This model is produced in accordance with Chinese national GB standards and the international IEC standards.

What is the main insulation and cooling method?

It uses oil as the main insulation means and cooling medium, including natural cooling, air cooling, water cooling, and forced oil circulation.

500kVA Three Phase Oil Immersed Step up Power Distribution Transformer

Name: 500kVA Three Phase Oil Immersed Step up Power Distribution Transformer
Brand: Qingdao Hengfengyou Electrical Engineering Co., Ltd.
SKU: 1953903885

Shandong, ChinaQingdao Hengfengyou Electrical Engineering Co., Ltd.

US$300.00-100,000.00

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

Combined Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Brand

Hengfengyou

Rated Capacity

50-31500 kVA

H.V. Winding

11kv/12kv/20kv/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 Efficiency Core: Imported cold-rolled silicon steel reduces no-load loss and current significantly.

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

Low Noise Design: Tightly bound core structure ensures compactness and noise lower than standard.

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

Sealed & Protective: Fully sealed with primer and finish paint; salt fog, moisture, and fungus proof.

Wide Application: Suitable for harsh environments like flammable/explosive areas and industrial sites.

Customizable Options: Rated capacity, voltage, and vector group can be customized per customer needs.

Strict Quality Control: Full assembly and testing before shipping; QC team complies with TQM standards.

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: ≤1.77h 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.