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What Happens When Transformers Fail

Janet Cornett May 9, 2018 0

TRANSFORMER:
A transformer is an electrical device that transfers electricity between two or more circuits via electromagnetic induction and consisting of  two or more coils.

A transformer is an electrical device that transfers electricity between two or more circuits via electromagnetic induction and consisting of two or more coils. Click To Tweet

  • 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:

  • SHOCK

When electricity passes through the body for short period of time and only causes minor injuries.

  • ELECTROCUTION

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.

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