A transformer is an electrical device that transfers electricity between two or more circuits via electromagnetic induction and consisting of two or more coils.
- Its network is based on two ports.
- Its not an energy conversion device.
- It follows Faraday’s laws of Electromagnetic Induction.
- A transformer converts high-voltage electricity into 120 volts that is usable in daily households.
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FACTORS OF FAILURE
According to National Fire Protection Association (NFPA) there might be several factors that can trigger a transformer failure:
- The sudden surge when they’re burdened with more energy than their capacity.
- Lightning strikes can also cause the transformers to overload, resulting in an explosion.
- A faulty wire may also be a reason.
- The mineral oil that is used as a cooling agent may caught fire due to the melting of circuits which occurs as a result of overload.
EFFECTS OF FAILURE
Modern Electrical Safety Courses warn us several dangers that might arise due to a failing transformer, which are as follows:
When electricity passes through the body for short period of time and only causes minor injuries.
When electricity passes through the body for relatively delayed time period and result in serious injuries such as Involuntary Muscle Contraction, and other internal injuries, or even death.
- ARC FLASH
An exothermic reaction due to a faulty wire or overload that causes significant surge in temperature, resulting in sparks that may cause the transformer to catch fire and explode.