Distribution Transformer

Distribution transformers are also known as step down transformers or voltage transformers.These transformers convert the final voltage in the electric power distribution system, thereby stepping down the voltage to the level used by consumers.They are available in rated capacities of 500KVA, 800KVA, high voltage capacities of 25KV, 35KV.The winding materials used are copper or aluminium.They are also called isolation transformers often used for power supply at settlements such as remote houses.

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Detailed Description for Distribution Transformer

A distribution transformer or service transformer is a transformer that provides the final voltage conversion in the electric power distribution system, stepping down the voltage used in the supply lines to the level used by the customer. The invention of a practical efficient transformer made AC power distribution workable a system using distribution transformers was demonstrated as early as 1882. 

If mounted on a utility pole, they are known as  pole-mount transformers. If the distribution lines are located at ground level or underground, distribution transformers are mounted on mortar pads and locked in steel cases, thus known as pad-mount transformers.

USES:

Distribution transformers are normally located at a service drop, where wires run from a utility pole or underground power lines to a customer's premises. 

 

They are often used for the power supply of facilities outside settlements, such as remote houses, farmyards or pumping stations at voltages below 30 kV. 

 

Another application is the power supply of the overhead wire system of railways electrified with AC. In this case single phase distribution transformers are used. 

 

The number of customers fed by a single distribution transformer varies depending on the number of customers in an area. 

 

Several homes may be fed off a single transformer in cosmopolitan areas; remote distribution may require one transformer per customer. 

 

A large commercial or industrial complex will have multiple distribution transformers. Padmount transformers are used in urban areas and neighborhoods where the main distribution lines run underground. Many large buildings have electric service provided at primary distribution voltage. These buildings have customer-owned transformers in cellar for step-down purposes. In a alternate network system as used in urban areas, many distribution transformers may be connected in the same direction, each equipped with its own network protector circuit breaker to isolate it from the alternate network in case of a fault.

Distribution transformers are also found in the power collector networks of wind farms, where they step up or transform power from each wind turbine to connect to a substation that may be several miles (kilometres) distant. 

 

FEATURES:

 

1. Highly reliable.

 

2. Flawless designs.

 

3. Best quality.

 

4. Durable.

 

 

 

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