Geography Quiz. Indian Economy Quiz. Indian History MCQs. Law General Knowledge. Physics Quiz. Environmental Science GK. August July June May April March February January Agriculture Current Affairs. Bank Current Affairs. Committees and Commissions Current Affairs. Memorandum of Understanding Current Affairs. Economic Survey Currrent Affairs.
Environment Current Affairs. Festivals Current Affairs. Finance Current Affairs. Health Current Affairs. History Current Affairs. Indian Polity Current Affairs. International Relationship Current Affairs. Sports Current Affairs. Line 1 is tripped at time t 1 by opening the circuit breakers at the two ends although there is no fault. It is also given that mechanical power input to the generator and the voltage magnitude E is constant.
The disturbance occurs if the speed of the rotor is at synchronous speed and there is a change in torque angle. Also, if the system has transient stability the machine will again operate at synchronous speed after the disturbances, i. It gives the relation between the accelerating power and angular acceleration. It describes the rotor dynamics of the synchronous machines and it helps in stabilizing the system. Two machine system:. If the two machines are swinging together then the equivalent inertia constant is given by.
As given both the machines having the same inertia constant. Two identical synchronous machines having the same inertia constant are connected in parallel and swinging together. Then each machine has an inertia constant of:. The oscillations can be evaluated by getting the solution to the swing equation.
Converting it into a linear differential equation by using Taylor series expansion and we get,. Stored K. Start Learning. Shunt conductance Capacitance Resistance Inductance. Important: The power transfer capability of an AC transmission line is influenced by the stability limit; The power transfer capability of the existing transmission system can be enhanced through the improvement of stability limits.
A short summary of this paper. Interconnectivity and interdependence must exist among the system components. Design and Analysis of Algorithm is very important for designing algorithm to solve different types of problems in the branch of computer science and information technology. For example traffic management system payroll system automatic library system human resources information system. System analysis and design tutorial. The goal of the analysis phase is to truly understand the requirements of the new system and develop a system that addresses them -- or decide a new system isnt needed.
Systems Analysis and Design is an active field in which analysts repetitively learn new approaches and different techniques for building the system more effectively and efficiently. Discover a practical, streamlined, updated approach to information systems development that covers both traditional and emerging technologies and approaches to systems analysis and design. Chapter objectives are keyed directly to chapter headings, making content easy to comprehend and convenient to study.
Numerous real-world examples and screenshots ensure content is current and relevant. In addition, key terms at the end of the chapter now include definitions so you don't have to flip back and forth to a glossary. Exercises throughout this edition emphasize critical thinking and IT skills in a dynamic, business-related environment.
This new edition offers everything you need to prepare for success in today's intensely competitive and rapidly changing business world. Kendall, Julie E. Includes bibliographical references and index.
0コメント