EE6501 PSA 2marks
Anna University Regulation 2013 EEE EE6501 PSA 2marks 16marks for all 5 units and EE6501 PSA Short answers, Question Bank for Power System Analysis are listed down for students to make perfect utilization and score maximum marks with our study materials.
QUESTION BANK with SOLVED 2 MARK Qs
POWER SYSTEM ANALYSIS
UNIT 1: INTRODUCTION
1. Explain the requirements of planning the operation of a power system.
Planning the operation of a power system requires load studies, fault calculations, the design of means for protecting the system against lightning and switching surges and against short circuits, and studies of the stability of the system.
2. Define steady state operating condition.
A power system is said to be in a steady state operating condition, if all the measured(or calculated) physical quantities describing the operating condition of the system can be considered constant for the purpose of analysis.
3. What is a disturbance and what are the two types of disturbances?
If a sudden change or sequence of changes occurs in one or more of the system parameters or one or more of its operating quantities, the system is said to have undergone a disturbance from its steady state operating condition.
The two types of disturbances in a power system are, i) Large disturbance ii) Small disturbance
4. What is a small disturbance? Give example.
If the power system is operating in a steady state condition and it undergoes change, which can be properly analyzed by linearized versions of its dynamic and algebraic equations, a small disturbance is said to have occurred. Example of small disturbance is a change in the gain of the automatic voltage regulator in the excitation system of a large generating unit.
5. What is a large disturbance? Give some examples.
A large disturbance is one for which the nonlinear equations describing the dynamics of the power system cannot be validly linearized for the purpose of analysis. Examples of large disturbances are transmission system faults, sudden load changes, loss of generating units and line switching.
6. When is a power system said to be steady-state stable?
The power system is steady state stable for a particular steady-state operating condition if, following a small disturbance, it returns to essentially the same steady state condition of operation.
7. When is a power system said to be transiently stable?
If the machines of the system are found to remain essentially in synchronism within the first second following a system fault or other large disturbance, the system is considered to be transiently stable.
8. What is transient state of the power system?
The state of the system in the first second following a system fault or large disturbance is called the transient state of the power system.
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EE6501 PSA 2marks
Anna University 5th SEM EEE PSA 2marks 16 marks
EE6501 Power System Analysis question bank free download
Anna University EEE PSA short answers Regulation 2013
EE6501 2marks, PSA Unit wise short answers – EEE 5th Semester