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pro vyhledávání: '"Wilfred Watson"'
Autor:
Wilfred Watson
Publikováno v:
Journal of Semitic Studies. 47:203-207
Autor:
Wilfred Watson, E.P. Dick
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :409-419
A variety of models has been developed to represent transformers in switching surge studies. However, there is a paucity of data on the characteristics of large power transformers to provide parameters for utilization in the models. This paper descri
Autor:
Wilfred Watson, M. E. Coultes
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :1480-1489
An approach to determining synchronous machine parameters by low-voltage frequency response tests with the machine stationary will be described. The tests are simple and safe. In addition, they provide a more detailed and complete model of the machin
Autor:
Wilfred Watson, G. Manchur
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :777-784
Models of a synchronous machine for use in stability studies have been derived by measurements off-line at standstill. The method involves accurate determination of magnitude and phase of the impedance as seen at the stator terminals, for a range of
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :190-201
A device to provide a signal proportional to changes in generator speed has been developed by Ontario Hydro. Field tests have been performed to demonstrate that use of this signal with a high-speed rectifier excitation system results in dynamic stabi
Autor:
Wilfred Watson
Publikováno v:
The Downside Review. 84:380-396
Autor:
Gerald Manchur, Wilfred Watson
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :199-203
Virtually all hydraulic generating units installed in Ontario Hydro since 1964 have been equipped with static excitation systems, necessitating supplementary stabilizing signals to suppress power oscillations. This paper reviews the experience gained
Publikováno v:
IEEE Transactions on Power Apparatus and Systems. :2077-2084
An accurate model of a turbogenerator is required for excitation and transient stability studies. Frequency response tests have been made on a 555 MVA unit to determine direct and quadrature axis transfer functions under operating conditions. Digital