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Showing 1 to 9 of 9 for “"Swing Equation"”.
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Modeling of power system dynamics in the medium time scale
… Third, speed damping terms are obtained in the swing equation in a multimachine environment by approximating the integral manifold associated with fast damper windings. This provides a theoretical basis for the practice of adding cross-damping terms to the swing equation to account for damping …
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A comparison of numerical algorithms for solution of the transient stability problem
… algorithms for the solution of the differential equations contained in the transient stability problem. A classical transient stability model is used, including the swing equation to characterize the machine's dynamic behavior. The five algorithms studied are: fourth-order Runge-Kutta; state …
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Nonlinear dynamics in power systems
… system’s behavior is described by the so-called swing equation, which is a nonlinear second-order ordinary-differential equation with additive and multiplicative harmonic terms having the frequency Ω. When Ω≈ω₀, and Ω≈2ω₀, where ω₀ is the linear natural frequency of the machine, we use …
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Frequency and Damping Characteristics of Generators in Power Systems
… mathematical approach and simulation studies of swing equation to determine the characteristics of damped single-machine infinite bus, which is represented as a generator connects to a large network system with a small signal disturbance by line losses. Additionally, mathematical derivation of …
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Electromechanical Wave Propagation in Large Electric Power Systems
… studied. Numerical simulations, based on the swing equation, demonstrate electromechanical wave propagation with some interesting properties. The coefficients of reflection, reflection-free termination, and velocity of propagation are investigated from the numerical results. Discussions …
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Mathematical Modeling and Dynamic Recovery of Power Systems
… is essential to modern society. We study the swing equation for networks and its linearization (LSEN) as a tool for modeling power systems. Nowadays, phasor measurement units (PMUs) are used across power networks to measure the magnitude and phase angle of electric signals. Given the abundant …
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Non-invasive system identification of a tactical generator
… element. For the load step response test, the swing equation is used to calculate the system inertia from measured changes in frequency due to known steps in power. From execution of these techniques, it was determined that they are viable methods for estimating system parameters, though …
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Propagation of Electromechanical Disturbances across Large Interconnected Power Systems and Extraction of Associated Modal Content from Measurement Data
… power system simulator is developed using the swing equation and system power flow equations. This simplified modeling technique captures the phenomenon of traveling electromechanical waves and demonstrates the same dependencies as data derived from measurements and commercial power system …
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The Frequency Monitor Network (FNET) Design and Situation Awareness Algorithm Development
Wide Area Measurements (WAMs) have been widely used in the energy management system (EMS) of power system for monitoring, operation and control. In recent years, the advent of synchronized Phasor Measurements Unit (PMU) has added another dimension to the field of wide-area measurement. However, the …