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Distribution Transformer

Your Professional Distribution Transformer Supplier

 

Hebei Hozee Electric Co., Ltd., a professional Chinese distribution transformer manufacturer registered in Shijiazhuang, Hebei, adheres to "Efficient, Intelligent, Green" and is led by founder/CTO Liu Yanchao (15+ years in transformers) and his team of senior engineers (avg. 8+ years, mastering IEC/GB standards).It provides customized solutions (for voltage, working conditions, load) to serve domestic industrial/new energy/grid upgrade markets and over 50 countries globally. Future-focused on tech innovation, aiming to support the global energy transition.

 

 
 
Why Choose Us
 

Our Certificate
3 intelligent production lines with an annual production capacity of 500,000 kVA. It has passed ISO 9001 and ISO 14001 certifications, and the products comply with standards such as GB/T and IEC 60076.

 

Production Equipment
Our core equipment includes: slitting machines, horizontal shearing machines, horizontal shearing winding machines, and annealing furnaces; transformer equipment includes: foil winding machines, winding machines, drying furnaces, casting tanks, and transformer testing equipment.

 

Production Market
Our products are exported to countries along the "Belt and Road" such AS Southeast Asia, the Middle East, Latin America and Africa. They are adapted to different climatic conditions (such as tropical high humidity, desert high temperature and plateau low pressure) and power grid standards (IEC, ANSI, BS, AS/NZS, etc.), and have passed international certifications such as CE, CB and SASO, achieving "localized technology and global quality".

 

Technical Team
Our team of senior engineers, with an average of 8+ years of experience, excels in distribution transformer principles, market demands, and international standards (IEC, GB).

 

Key Features of Distribution Transformers
1

Energy Efficiency

Designed to minimize energy losses, ensuring that electricity is delivered efficiently to end users.

2

Voltage Regulation

Capable of maintaining stable output voltage despite fluctuations in load demand.

3

Durability

Built to withstand harsh environmental conditions, ensuring long operational life.

4

Customizability

Available in a wide range of sizes, capacities, and configurations to meet diverse application requirements.

 

Specification

 

Model

S-M-200kVA-11/0.4

Type

Oil Immersed Power Transformer

Standard

IEC60076

Rated Power

200kVA

Frequency

50HZ

Phase

Three

Cooling Type

ONAN

Primary Voltage

11 KV

Secondary Voltage

0.4KV

Winding Material

Copper

Vector Group

Dyn11

Impedance

4.5%

Tap Changer

NLTC

Tapping Range

±2*2.5% @ Primary Side

No Load Loss

0.480 KW

On Load Loss

2.73KW

Accessories

Standard Configuration

 

 
Types of Distribution Transformers
 
01/

Liquid-Filled Transformers
Liquid-filled transformers use a dielectric liquid, such as mineral oil or synthetic fluids, for insulation and cooling. These transformers are highly efficient and suitable for outdoor installations where they are exposed to varying environmental conditions.

02/

Dry-Type Transformers
Dry-type transformers do not use liquid for cooling. Instead, they rely on air circulation to maintain optimal operating temperatures. These transformers are ideal for indoor installations, particularly in environments where fire safety is a concern.

03/

Pole-Mounted Transformers
Pole-mounted transformers are typically used in rural and suburban areas. They are mounted on utility poles and supply electricity directly to homes and small businesses. These transformers are compact, cost-effective, and easy to maintain.

04/

Pad-Mounted Transformers
Pad-mounted transformers are enclosed in a secure housing and installed on concrete pads. They are commonly used in urban areas and commercial installations where underground wiring is prevalent.

 

Benefits Of Distribution Transformer

 
 

Efficiency - Distribution transformers are designed for efficiency while minimising losses during the process of stepping down the voltage. This helps in the conservation of energy and better output consistency.

 
 

Reliability - The local power supply system becomes reliable and can prevent disruption in power services to end-users.

 
 

Cost-Effective - These transformers are cheaper compared to power transformers. They are designed particularly for smaller power capacity requirements and optimised for local power distribution networks.

 
 

Transmission Losses - Distribution transformers help minimise transmission losses by stepping down the voltage.

 
 

Environmental Impact - Considering the smaller size and capacity of the device, it contributes to a lower environmental impact compared to power transformers. Additionally, it does not use any liquid insulant for cooling purposes which further minimises its impact on the environment.

 

 

How Distribution Transformer Work

 
 
01
 

Basic Principles

At the core of a distribution transformer is the principle of electromagnetic induction. The transformer consists of two or more windings, typically referred to as the primary winding and the secondary winding. These windings are wrapped around a magnetic core. When an alternating current (AC) flows through the primary winding, it creates a varying magnetic field. This changing magnetic field induces a voltage in the secondary winding, thus transferring electrical energy from the primary circuit to the secondary circuit.

 
02
 

Step-Down Voltage

The primary function of a distribution transformer is to step down the high voltage from the power lines to a lower voltage suitable for household or commercial use. For example, electricity generated at power plants is typically transmitted at voltages ranging from 69 kV to 765 kV to minimize energy losses during transmission. However, this voltage is too high for direct use. Distribution transformers reduce this voltage to levels like 240V, 120V, or other standard voltages depending on regional requirements.

 
03
 

Efficiency and Regulation

Distribution transformers are designed to operate efficiently with minimal energy loss. Key factors that influence their efficiency include the quality of materials used, the design of the core and windings, and the load conditions. Transformers also include mechanisms to regulate voltage and maintain a stable supply, despite fluctuations in load or input voltage.

250 Kva Distribution Transformer

 

Applications of Distribution Transformer

Residential Areas

In residential neighborhoods, distribution transformers step down the voltage from the power grid to a safe level for household appliances and lighting. They are crucial for ensuring that homes receive reliable and consistent electricity.

Commercial Buildings

In commercial installations such as shopping malls, office buildings, and hotels, distribution transformers provide the necessary power for lighting, HVAC systems, and other electrical equipment.

Industrial Facilities

Industries require large amounts of electricity for machinery, production lines, and heavy-duty equipment. Distribution transformers are essential for delivering the high power levels needed while maintaining safety and efficiency.

 

FAQ

 

Q: What is the primary function of a distribution transformer?

A: The primary function of a distribution transformer is to step down high voltage to a lower voltage.

Q: How do distribution transformers differ from power transformers?

A: Distribution transformers are smaller, lower voltage, and designed for local distribution, while power transformers are larger and higher voltage.

Q: What types of facilities commonly use distribution transformers?

A: Residential, commercial, industrial, and utility substations often use distribution transformers.

Q: What are the maintenance requirements for distribution transformers?

A: Distribution transformers are in need of regular maintenance, including oil sampling and testing.

Q: How does a distribution transformer improve energy efficiency in a power grid?

A: Distribution transformers improve energy efficiency through the reduction of energy losses in the power conversion process.

We're professional distribution transformer manufacturers and suppliers in China, specialized in providing high quality products with advanced design. We warmly welcome you to buy distribution transformer at competitive price from our factory. For specifications and drawings, contact us now.

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