What is reactive power, and how does it affect the power system?
May 15, 2025 · Detailed Explanation: Reactive power and its effect on the power system In AC (alternating current) electrical systems, the total power supplied is made up of two …
What is reactive power, and how does it affect voltage stability?
May 16, 2025 · Its proper management is critical for voltage stability, as reactive power imbalance causes voltage fluctuations that can lead to system instability or equipment damage. …
What is the significance of reactive power?
May 10, 2025 · Detailed Explanation: Significance of Reactive Power In an AC electrical system, total power supplied is made up of two parts: real power (P) and reactive power (Q). Real …
Explain the role of a capacitor bank in power factor improvement.
May 12, 2025 · Detailed Explanation: Capacitor Bank and Its Role in Power Factor Improvement A power factor less than 1 indicates that some of the electrical power supplied to the system is …
What is the importance of load flow analysis in power systems?
May 13, 2025 · Load flow analysis is the process of calculating the voltage, current, active power (MW), and reactive power (MVAr) at various points (called buses or nodes) in the system …
What is Ferranti effect in transmission lines?
May 17, 2025 · FACTS Devices Flexible AC Transmission Systems such as STATCOMs and SVCs can absorb or inject reactive power and help regulate voltage levels effectively. Practical …
What is electrical power, and what are its units?
May 10, 2025 · Reactive power (Q): The power that oscillates between source and load, measured in VAR (volt-ampere reactive). Apparent power (S): The combined effect of real and …
What are reactive power compensators?
May 16, 2025 · Reactive power compensators are vital for managing reactive power in electrical systems. By supplying or absorbing reactive power, these devices improve voltage stability, …
What are the losses in a transformer? - howengineeringworks.com
May 12, 2025 · Losses in a Transformer Transformers, which are used to either step up or step down voltages in electrical power systems, inevitably experience losses during their operation. …
Electrical Engineering MCQs (Part-54)
Feb 16, 2025 · A power factor of less than **1** means that not all the power is being used efficiently. The difference between the total power and real power is **reactive power**, which …