MCQ Subject: Power Systems & Transmission

What is the correct formula for calculating the short-circuit current (Isc) in a three-phase power system?

Which transmission line type is modeled by neglecting capacitance due to short length?

A transmission line operates at its critical length when which of the following conditions is met?

In power systems, what is the primary purpose of a 3-phase 4-wire transmission system?

In which year was the Deccan Queen express train first introduced?

Which type of power system stability involves analyzing the system’s behavior following a large disturbance, such as a fault, using the swing equation?

In power systems, what device is primarily used to improve transient stability by providing reactive power support during fault conditions, thereby enhancing the ability of the system to withstand severe disturbances?

In Power Systems, which mathematical technique is primarily used for Economic Load Dispatch to optimize generator fuel costs?

Why are high voltages used for long-distance power transmission?

An unloaded transmission line experiences a voltage rise at the receiving end primarily due to: