Download Direct Methods for Stability Analysis of Electric Power by Hsiao-Dong Chiang PDF

By Hsiao-Dong Chiang

Learn the way to enforce BCU tools for quick direct balance exams of electrical strength systems

Electric energy companies world wide depend on balance research courses to aid make certain uninterrupted provider to their clients. those courses tend to be in keeping with step by step numerical integrations of strength procedure balance versions to simulate process dynamic behaviors. regrettably, this offline perform is insufficient to accommodate present working environments. For years, direct tools have held the promise of offering real-time balance tests; notwithstanding, those equipment have provided numerous demanding situations and limitations.

This e-book addresses those demanding situations and barriers with the BCU equipment constructed by means of writer Hsiao-Dong Chiang. thus far, BCU equipment were followed via twelve significant application businesses in Asia and North the United States. additionally, BCU tools are the single direct tools followed through the electrical energy examine Institute in its most up-to-date model of DIRECT 4.0.

Everything you want to take complete benefit of BCU equipment is supplied, including:

  • Theoretical foundations of direct methods

  • Theoretical foundations of power functions

  • BCU tools and their theoretical foundations

  • Group-based BCU strategy and its applications

  • Numerical reports on business versions and data

Armed with a superior beginning within the underlying thought of direct equipment, power capabilities, and BCU tools, you will discover the best way to successfully clear up advanced sensible difficulties in balance research. so much chapters start with an creation and finish with concluding feedback, making it effortless so you might enforce those verified and confirmed tools that can assist you keep away from high priced and hazardous strength outages.

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Additional info for Direct Methods for Stability Analysis of Electric Power Systems: Theoretical Foundation, BCU Methodologies, and Applications

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This is a well-known stability evaluation method that checks the eigenvalues of the Jacobian matrix at an equilibrium point. The required computational efforts can be immense. An alternative approach is based on the Lyapunov function theory, which is discussed in the next section. 3 LYAPUNOV FUNCTION THEORY One of the most important developments in the stability theory is the Lyapunov function theory. Lyapunov, a Russian mathematician and engineer, laid down the foundation for the Lyapunov theory.

When the transient dynamics subside, the system enters the midterm time frame, typically within several minutes, in which the dynamics from such components as ULTC, generator limiters, and load dynamics become active. The time frame following the midterm time frame is the long-term time frame in which turbines, prime mover governors, are active. The adjective “long-term” is added to angle (or voltage) stability to form the term long-term angle (or voltage) stability when the long-term model is used in the simulation.

These static load models are adequate for some types of power system dynamic analysis but not for others. There remains a necessity for the development of accurate dynamic load models. 05 (1990), He et al. (2006), IEEE Task Force on Load Representation for Dynamic Performance (1993), and Ju et al. (1996). There are two main time– domain approaches available for developing accurate load models: • component-based approach and • measurement-based approach. , 1988). Load composition data, load mixture data, and the dynamic behavior of each individual load component of a particular load bus are considered.

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