How does the concept of phasor measurement units (PMUs) contribute to the stability and control of power systems?
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How does the concept of phasor measurement units (PMUs) contribute to the stability and control of power systems?
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- Describe the concept of phasor measurement units (PMUs) and their importance in power system monitoring and control.Explain the concept of power quality in electrical systems and the potential issues that can arise, such as voltage sags, harmonics, and flicker.Explain the concept of phasor measurement units (PMUs) and their significance in power system monitoring.
- 4. Explain the relationship between back emf E, terminal voltage V and coil voltage drop IR in DC motor and generator respectively. i. Describe how the field strength affect the performance of DC motor and generator. ii. Explain how an external resister changes the DC motor and generator performance.What is the significance of reactive power in power system operation?What are the major challenges in power system protection and control, and how do modern technologies like phasor measurement units (PMUs) and synchrophasors help address these challenges?
- How do phasor measurement units (PMUs) contribute to real-time monitoring and control of power systems?Discuss the concept of power system stability and the methods used to analyze and control it, including transient stability and voltage stability.Describe the operation of a synchronous condenser and its applications in power systems. How does it provide reactive power support and voltage stability?