Define the following power problems. i. Blackout ii. Surge iii. Spike

Define the following power problems. i. Blackout ii. Surge iii. Spike
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Answer :

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i. Blackout: It is the complete loss of electrical power where voltage and current drop to a very low value (typically zero). They are caused due to physical interruption in the local network. 

ii. Surges: They are small over voltage conditions that take place over relatively long periods of few milliseconds. 

iii. Spikes: It is a large over voltage condition that occurs over short duration of few microseconds. 

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