What is the rated capacity range?

The rated capacity ranges from 50 to 31500 kVA.

What certifications does the transformer have?

The product has ISO9001-2000, ISO9001, CCC, CB, and KEMA certifications.

What is the primary application of this transformer?

It is mainly used in 35KV distribution network, power supply and distribution system of industrial and mining enterprises and civil buildings.

6.3mva 35kv Oil Immersed Power Transformer

Name: High Frequency Electric Set up/Down 5mva/6.3mva 35kv Oil Immersed Power Transformer
Brand: Qingdao Hengfengyou Electrical Engineering Co., Ltd.
SKU: 1995704182

Shandong, ChinaQingdao Hengfengyou Electrical Engineering Co., Ltd.

US$1,033.00-50,000.00

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

Rated Capacity

50-31500 kVA

H.V. Winding

35kv

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

8504210000

Production Capacity

2000

Key features

Patented Energy Saving Tech: Reduces loss by 10-20% and saves 5% material compared to market products.

30+ Years Service Life: Sealed structure with electrostatic plastic spray ensures over 30 years of maintenance-free operation.

High Voltage Copper Winding: Uses high voltage copper strip and low voltage copper foil for superior lightning resistance and short circuit strength.

Premium Material Selection: Utilizes Baosteel/WISCO silicon steel, oxygen-free copper, and CNPC transformer oil.

Global Certification: Meets GB, IEC, CB, CCC, and KEMA standards for high reliability in 50+ countries.

Customizable Tap Changer: OLTC (On Load Tap Changer) can be customized; default is NLTC with 5 or 7 adjustments.

Strict Quality Control: Full assembly and testing before shipping with QC team complying 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: ≤1.78h 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.