Products

Electrical & Grid

Transformers

Single Phase Overhead Transformer

Brand: WISHPOWER
Standard: GB/T10228-1997、GB6450-1986、IEC726
Factory price 25 kVA 37.5kva Step Up/down single phase Pole Mounted Oil Type Distribution Transformers 60HZ.
Vector Group: Yyn0, Dyn11
Insulation Level: LI75AC35/AC3 LI170AC70/AC3

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DESCRIPTION

Specification

Primary Voltage (V)	33000
Model	TR D1-10-33000-120/240	TR D1-15-33000-120/240	TR D1-25-33000-120/240	TR D1-37.5-33000-120/240	TR D1-50-33000-120/240	TR D1-75-33000-120/240	TR D1-100-33000-120/240	TR D1-167-33000-120/240
KVA Rating	10	15	25	37.5	50	75	100	167
No-Load Loss (W)	60	71	101	133	137	187	223	223
Full Load Loss at 85°C (W)	103	177	267	383	511	653	815	1484
Total Losses at a load factor of 80% (W)	140	191	278	380	461	606	759	1173
80% load for distribution transformers (Efficiency in % at 85°C)	98.28	98.43	98.63	98.75	98.86	99	99.06	99.13
Impedance (85°C)	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14
Oil Weight (L)	86	96	102	119	180	180	240	240
Total Weight (KG)	182	189	239	284	327	411	465	492
Dimension (mm) A	740	740	780	810	810	840	840	910
B	690	690	750	750	780	780	880	920
ØD	480	480	520	550	550	580	580	620
H	1130	1130	1160	1190	1210	1280	1320	1380
Winding Material	AL-AL	AL-AL	AL-AL	AL-AL	AL-CU	AL-CU	AL-CU	AL-CU

If you want more information, please get in touch with info@wishpower.net

What is the Single Phase Overhead Transformer?

The Single Phase Overhead Transformer is an electrical device that is designed to change the voltage value in a single-phase power distribution system, i.e. a system that is used to provide 1 phase, single-phase, power to houses as well as to some light commercial establishments. These transformers stand mounted on poles in outdoor environments so that they allow efficient transmission and distribution of electricity from higher voltage lines down to the usable voltage for end users. These transformers are often weatherproof enclosures and have robust insulation to handle environmental challenges to last long. High-quality silicon steel is used in the core to reduce magnetic losses and help make the equipment more efficient. The windings consist of insulated copper or aluminum conductors wound to achieve optimal electrical performance but with a form suitable for overhead installation. This is an electromagnetic induction device, by which the voltage is changed by using primary and secondary windings. It has standard protection mechanisms such as surge arresters, fuses, and occasionally an oil-filled or dry-type cooling system to maintain stable operation and extend service life.

Market Trends

The demand for efficient and reliable power distribution in countries like the United States, Canada, the United Kingdom, Australia, New Zealand, and Indonesia drives the market for single-phase overhead Transformers. Suburban and rural electrification in these regions require cost-effective solutions and single-phase transformers are the design of choice for providing localized energy.

The adoption of advanced transformer designs as a means of grid modernization and renewable energy integration is receiving focus within North America. Particularly beneficial to rural electrification projects are the efficiency and relative ease of installation of overhead transformers.

Also in this case, as in the UK, Australia, and New Zealand, reliable energy delivery in decentralized systems is stressed. Durable, low-maintenance transformers to handle suburban and rural power demands are favored by these countries which also favor sustainability.

However, single-phase overhead transformers are the only option used by Indonesia to spread access in remote areas because it is affordable and adaptable.

Due to the push for energy efficiency, low operational costs, and compliance with environmental standards, these markets are growing fast and are being positioned as important parts of the power distribution network.

Why choose Single Phase Overhead Transformer?

1. Cost-effective solution

Economical and suitable particularly for rural and sub-urban electrification projects, the design has been incorporated.

2. Easy installation

Quick pole mounting is enabled by the lightweight and compact design.

3. Reliable performance

Has minimum maintenance and gives a steady supply of stable voltage.

4. Energy efficiency

This design is optimized to lower power loss, which is suitable for long-term use and lower operating costs.

5. Weather-resistant structure

Housing and insulation materials are designed to survive harsh conditions of the environment.

6. Adaptability

It supports a large variety of applications from single households to small businesses in distributed power systems.

7. Durable core and windings

Silicon steel cores and insulated copper windings are available in high quality enabling extended service life and greater efficiency.

8. Integrated safety features

Surge protection and protection fuses to ensure safe operation are provided on the single-phase overhead Transformer under different loads.

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