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Классический метод расчета переходных процессов в цепях второго порядка Calculation of Electrical
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Классический метод расчета переходных процессов в цепях второго порядка. Рассмотрен пример расчета переходных процессов цепей второго порядка RLC классическим методом в программе MathCAD. Начальные нулевые условия, дифференциальные уравнения второго порядка, корни характеристического уравнения, граничные условия. переходные процессы в электрических цепях, переходные процессы тоэ, переходные процесс, классический метод расчета переходных процессов, переходные процессы 2 порядка, расчет переходного процесса в цепи второго порядка, переходные процессы, переходные процессы в электрических цепях 2 го порядка, расчет переходного процесса в цепи с емкостью, классический метод, переходный процесс второго порядка, переходные процессы второго порядка, задачи на переходные процессы, переходные процессы в трехфазных цепях, расчет переходных процессов 2-го порядка в линейных цепях.
Practical Calculation of Electrical Transient on Power Systems. Solution of many power-circuit problems depends upon the magnitude, duration, and frequency of occurrence of transient voltages and currents produced by circuit changes. Circuit-opening or recovery-voltage transients are fundamental in the operation of interrupting devices and may be important from the standpoint of the dielectric strength of circuit elements. Circuitclosing transients may be important from the standpoint of inrush currents and occasionally from the standpoint of overvoltages. Both types of transients may be increased greatly if restriking and repetitive interruptions take place. Transient voltages and currents resulting from circuit changes can be calculated by the classical method with the aid of differential equations or by the Heaviside method, particularly with the aid of the expansion theorem. Transients on complicated power systems are most conveniently determined by the miniature-system method introduced by Evans and Monteith and described in their 1937 AIEE paper.4 Analytical methods are useful for simple problems and are essential for those beyond the range of the a-c network calculator or when it is not available. Analytical methods are also necessary for determining the proper form of the equivalent networks for the representation of power systems on the a-c network calculator. This circumstance provided the occasion for the particular investigation for which the present paper is a partial report. This paper is devoted to the practical calculation of power-system transients and presents concepts, methods, and approximations selected with that objective in view. The paper describes a method of calculation particularly adapted for engineering work.
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Practical Calculation of Electrical Transient on Power Systems. Solution of many power-circuit problems depends upon the magnitude, duration, and frequency of occurrence of transient voltages and currents produced by circuit changes. Circuit-opening or recovery-voltage transients are fundamental in the operation of interrupting devices and may be important from the standpoint of the dielectric strength of circuit elements. Circuitclosing transients may be important from the standpoint of inrush currents and occasionally from the standpoint of overvoltages. Both types of transients may be increased greatly if restriking and repetitive interruptions take place. Transient voltages and currents resulting from circuit changes can be calculated by the classical method with the aid of differential equations or by the Heaviside method, particularly with the aid of the expansion theorem. Transients on complicated power systems are most conveniently determined by the miniature-system method introduced by Evans and Monteith and described in their 1937 AIEE paper.4 Analytical methods are useful for simple problems and are essential for those beyond the range of the a-c network calculator or when it is not available. Analytical methods are also necessary for determining the proper form of the equivalent networks for the representation of power systems on the a-c network calculator. This circumstance provided the occasion for the particular investigation for which the present paper is a partial report. This paper is devoted to the practical calculation of power-system transients and presents concepts, methods, and approximations selected with that objective in view. The paper describes a method of calculation particularly adapted for engineering work.
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