What is the role of an electrical transformer?
In the modern energy landscape, the electrical transformer plays a central and inescapable role. Invisible but essential, this equipment is at the heart of electricity transmission and distribution. But what exactly is an electrical transformer used for?
A question of voltage
The electricity generated by power stations has to travel long distances before it reaches our homes, businesses and infrastructure. However, transporting energy at low voltage would result in considerable losses. This is where the electrical transformer comes in.
The main function of a transformer is to adapt voltage levels:
To raise the voltage at the time of generation, the current generated is raised to a very high voltage, often of the order of several hundred thousand volts. This step reduces energy losses during transmission over long distances.
Before the electricity reaches the end user, it must be reduced to levels compatible with our appliances and electrical systems. This is done via transformers located in distribution substations.
How does a transformer work?
The transformer is based on a simple physical principle: electromagnetic induction. Comprising a magnetic core and windings (primary and secondary), it transforms the voltage according to the ratio between the number of turns of the windings. This process enables the voltage to be adapted precisely and efficiently without any significant loss of energy.
Multiple applications
As well as transmitting electricity, electrical transformers have a wide range of applications:
In industry, they are used to power and protect heavy equipment requiring specific voltages. In urban networks, they distribute electricity to homes and businesses. In electronic equipment, they are integrated as mini-transformers in chargers and adapters.
Guaranteeing energy reliability
At Le Cosinus, we design transformers that combine innovation and durability to meet the demands of modern electricity networks. Our solutions are optimised to minimise losses and guarantee a stable power supply, even under the most demanding conditions.
The electrical transformer is more than just a technical component: it is an essential link in a chain that ensures the flow of energy, from its production to its end use. To understand its role is to appreciate the engineering behind the light that illuminates our lives.
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