SAGAR SINGH - IIT DELHI
Last Activity: 14 Years ago
Dear student,
Manual control substitutes the facility operator for the automatic control system in the feedback
loop, and leads to the risk of system or equipment mis-operation due to human error. Safety interlocks,
such as motor overload, high-high pressure switches, fire detection, etc. should therefore be hard-wired
into the control circuit such that they are active in both manual and automatic control modes. Switchgear
protective relaying required for fault protection should always be hard-wired in the circuit breaker trip
circuit and not dependent upon the controller.
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All the best.
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Sagar Singh
B.Tech, IIT Delhi