Question: Closed loop system with Ge(s)=KER+: Consider the closed loop system shown in Figure. If the controller gain is constant, then: b. Compute the following closed loop transfer functions Uo(s) where Uo(s) is the flow rate (kg/s) of the steam supplied to the heat TSP(s) exchanger by the valve and Tsp(s) is the reference/desired temperature (°C) U(s) where U(s) is the output voltage (V) of the controller to detemine TSP(s) ii. the percentage opening of the valve E(s) D(s) iii. where D(s) is the input disturbance (kg/s)

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter12: Power System Controls
Section: Chapter Questions
Problem 12.2P
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Question:
Closed loop system with Gc(s)=KER+: Consider the closed loop system shown in
Figure. If the controller gain is constant, then:
b. Compute the following closed loop transfer functions
Uo(s)
TSP(s)
i.
where Uo (s) is the flow rate (kg/s) of the steam supplied to the heat
exchanger by the valve and Tsp(s) is the reference/desired temperature (°C)
ii.
U(s)
where U(s) is the output voltage (V) of the controller to determine
TSP(s)'
the percentage opening of the valve
E(S) where D(s) is the input disturbance (kg/s)
D(s)
iii.
D(s)
Controller
Valve
Heat exchanger
Tsr(s)
E(s)
U(s)
U,(s)
T(s)
G(8)
G,(8)
G,(8)
Sensor
Tm (s)
H(s)
Figure : Block diagram of the above system
Transcribed Image Text:Question: Closed loop system with Gc(s)=KER+: Consider the closed loop system shown in Figure. If the controller gain is constant, then: b. Compute the following closed loop transfer functions Uo(s) TSP(s) i. where Uo (s) is the flow rate (kg/s) of the steam supplied to the heat exchanger by the valve and Tsp(s) is the reference/desired temperature (°C) ii. U(s) where U(s) is the output voltage (V) of the controller to determine TSP(s)' the percentage opening of the valve E(S) where D(s) is the input disturbance (kg/s) D(s) iii. D(s) Controller Valve Heat exchanger Tsr(s) E(s) U(s) U,(s) T(s) G(8) G,(8) G,(8) Sensor Tm (s) H(s) Figure : Block diagram of the above system
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