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pro vyhledávání: '"G.D. Irwin"'
Akademický článek
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Publikováno v:
IEEE Transactions on Power Delivery. 22:2559-2566
This paper introduces a procedure for using optimization-enabled electromagnetic transient simulation (OE-EMTS) for the design of HVDC system controls. The OE-EMTS method conducts a sequence of simulation runs of the network, guided by a nonlinear op
Autor:
G.D. Irwin, Neville R. Watson
Publikováno v:
IEEE Transactions on Power Delivery. 15:629-634
Electromagnetic transient simulation has become a very important tool in the design of electrical power systems. Dommel's trapezoidal integrator substitution, the standard method for electromagnetic transient simulations, often causes numerical oscil
Publikováno v:
The International Journal of Electrical Engineering & Education. 34:291-307
The steady-state chaotic behaviour of power systems containing dc switching elements is displayed in multiple run diagrams. Poincare sampling bifurcation diagrams, maximum and minimum peak voltage diagrams and diagrams showing all peaks in a waveform
Publikováno v:
The International Journal of Electrical Engineering & Education. 34:255-273
Operational voltage levels can force a.c. power systems into non-linear behaviour. The system global characteristics are presented in bifurcation diagrams, generated using an electromagnetic–transients program. They reveal the onset of ferroresonan
Publikováno v:
IEEE Transactions on Power Systems. 11:1538-1546
The frequency-dependent aspects of transmission line transformation matrices along with their asymptotic behaviours at high and low frequencies are thoroughly investigated in this paper. The Newton-Raphson (NR) method for evaluating the transformatio
Publikováno v:
IEEE Transactions on Power Delivery. 5:2039-2046
The effectiveness of providing positive damping of harmonic oscillations by either modifying the AC-system filter characteristics or adding to the rectifier control circuitry are examined. Two alternative measures of controlling harmonic instability
Autor:
Neville R. Watson, G.D. Irwin
Publikováno v:
IEE Proceedings - Generation, Transmission and Distribution. 145:481
For electromagnetic transient simulations the method of substituting the trapezoidal integrator, developed by Dommel, is generally applied. The trapezoidal rule is based on a truncated Taylor series and therefore contains truncation errors. These tru
Publikováno v:
IEE Proceedings - Generation, Transmission and Distribution. 143:238
The ferroresonant behaviour of a nonlinear power system circuit is examined using the diagnostic tools of deterministic chaos. An electromagnetic-transients simulation program is used to retain the component nature of the system and allow metering as
Akademický článek
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