what is cascade loop and how it work and why it used instead
of PID single loop?
In cascade, Which loop is faster and slower?
Please explain with loop drawing and example...
Answer Posted / rajesh
in cascade loop
the parameter to be controlled is in series with another
parameter which is to be measured for normal operating
conditions
i.e 2 manipulated variables are in series
it is used in fractional distillation system , boiler
operation in power plants etc
in pid
only one variable is measured and controlled at a time
it is used for temperature , pressure , flow control system
for drawing pls search in google
Is This Answer Correct ? | 4 Yes | 7 No |
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