Describe the role of supervisory control and data acquisition (SCADA) systems in power system monitoring and control.
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Describe the role of supervisory control and data acquisition (SCADA) systems in power system monitoring and control.
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- 1. Define the following about Systems: a. What is used to describe or determine a black box system?b. What are the differences between a black box, white box, or a grey boxperspective?c. How do we classify systems?d. What is feedback?e. List down properties of a system.Define FACTS and write its necessity and benefits. With neat diagrams, briefly describe different type of FACTS controllers. Describe SVC and STATCOM and compare their performance.How we use the LQG control in Network control System ? Draw the Block diagram of the System.
- ii. Describe the role of the process reaction curve ( Figure 3 )and the Ziegler-Nichols PID tuning rules (Table 1) in control system design. Tangent line at inflection point Figure 3 Table: 1 Zeigler-Nichols PID controller Tuning rules Type of Controller K, T T P. 00 0.95 125 PI 0.3 PID 2L 0.5L Imnortant Note:Signals and systemSamplingb) Which type of VFD architecture does require a braking resistor; Voltage Source Controller or Current Source Controller? Explain the reason.
- Explain the operation of a supervisory control and data acquisition (SCADA) system in power grid management.4) a) Draw a diagram showing the following circuits 1: Ring, Radial and Spur circuits, label appropriately. b) Sketch a TN-C earthing system. Label appropriately. c) What is ATS? d) List 2 transition types and explain one with a sketch, the stages of operation. e) List 2 modes of operation of an ATS.What is Adaptive control system? If the process characteristics are notwell known then what type of scheme you would suggest explain in detail thescheme and write its merits and demerits.
- Which option is correct and why? 2. Which of the following are characteristics of a closed loop control systems? Select allthat apply.a) Low sensitivity to changes in system parametersb) Higher accuracyc) Good regulation against disturbancesd) Reliabilityd) Slower response to inputs.Describe the role of SCADA (Supervisory Control and Data Acquisition) systems in monitoring and controlling power systems.Would it be b,d, and c? 2. Which of the following are characteristics of a closed loop control systems? Select allthat apply.a) Low sensitivity to changes in system parametersb) Higher accuracyc) Good regulation against disturbancesd) Reliabilityd) Slower response to inputs.