MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Post a three phase fault that occurs in a system, then its transient stability can be examined using ___________ |
| A. | solution of swing equation |
| B. | equal area criterion |
| C. | solution of swing equation and equal area criterion |
| D. | solution of swing equation or equal area criterion |
| Answer» B. equal area criterion | |
| 2. |
The transient instabilities can occur in a system by ___________ |
| A. | Sudden load changes |
| B. | Switching operation |
| C. | Faults |
| D. | Suddenn load changes, switching operation and faults |
| Answer» E. | |
| 3. |
We can say a system is stable at steady state is not affected by ____________ |
| A. | line losses |
| B. | line reactance |
| C. | generator reactance |
| D. | excitation of alternators |
| Answer» B. line reactance | |
| 4. |
Why the angle , rotor angle is famously called as the load angle in the equation of rotor dynamics? |
| A. | Due to power exchange is a function of |
| B. | Because it dictates the reactive power compensation |
| C. | Due to load variations |
| D. | No dependency on the load dynamics |
| Answer» B. Because it dictates the reactive power compensation | |