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Power Engineering Review, IEEE

Issue 8 • Date Aug. 1999

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Displaying Results 1 - 9 of 9
  • Deregulation in Bolivia

    Publication Year: 1999 , Page(s): 18
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  • Processes following changes of phase angle between current and voltage in electric circuits

    Publication Year: 1999 , Page(s): 59 - 60
    Cited by:  Patents (3)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (180 KB)  

    Investigations of the changes of current frequency in R, L electric circuits supplied with 50 Hz sinusoidal voltage during changes of the phase angle between current and voltage are presented. Changes of reactance of the electric circuit are demonstrated as consequences of change of current frequency during the transient process, which is a possible new explanation of the occurrence of the aperiodical component of the current. For fast transient processes of phase angle change, current frequency is different from the voltage frequency View full abstract»

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  • Transmission, congestion, pricing, and incentives [in electricity supply]

    Publication Year: 1999 , Page(s): 4 - 10
    Cited by:  Papers (8)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (868 KB)  

    The author argues that a fixation on managing congestion, rather than curing it, and the spectre of market power within local generation markets, enabled by inadequate transmission, threaten to deprive the public of much of the benefit of electric power industry deregulation View full abstract»

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  • Transmission in transition: bringing power to market

    Publication Year: 1999 , Page(s): 11 - 13, 26
    Cited by:  Papers (4)
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    The US transmission network, representing only 7% of electric bills, is vital to a competitive electricity market. The author argues that the network needs to be controlled by people and firms that are completely disinterested in generation market outcomes. Transmission also needs to be controlled by its owners, who will regard further investments in the grid to be strategic, i.e., conducive to their business. Transmission is too important to be left to the government, or its ownership and control unnecessarily divided to the detriment of the public interest. He believes that the best structural form for transmission in the United States is a separate, for-profit independent transmission company View full abstract»

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  • Off/on-line FRA condition monitoring technique for power transformer

    Publication Year: 1999 , Page(s): 54 - 56
    Cited by:  Papers (24)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (316 KB)  

    This letter presents a novel and sensitive frequency response analysis (FRA) technique for off/on-line condition monitoring of expensive power apparatus. The main objective is to investigate the applicability of this predictive maintenance technique to diagnosing power transformer failures, to characterize the transformer in a frequency plane for safe operation, and to develop on-line monitoring technique. The effectiveness of this technique is demonstrated on a 2.5 MVA transformer housed at the High Voltage Laboratory of Pacific Power International (PPI) and then tested on three field transformers. The on-line technique is verified on a single-phase high voltage transformer. This study shows that FRA results are very sensitive to faults. The configuration of the measurement set up, frequency range and terminations play a greater role in getting reproducible, fault-indicating results. The interpretation of the voluminous data and analysis relevant to the faults opens a gateway to develop smart power apparatus View full abstract»

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  • Power, temperature, entropy, and potential universal presence of little black holes

    Publication Year: 1999 , Page(s): 52 - 54
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    An intuitive insight into the radiated power and temperature of black holes is presented by a novel derivation using the uncertainty principle. An entropy argument is made for their large abundance throughout the universe with far-reaching ramifications terrestrially and universally View full abstract»

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  • The surprising universe and little black holes as power producers

    Publication Year: 1999 , Page(s): 14 - 17
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    One of the most remarkable and exciting discoveries of 1998 revealed that the universe is accelerating in its expansion. The implication is that the universe is older, bigger and less dense than previously thought. This discovery was totally unanticipated. It calls long-standing cosmological theories into question. It may shed light on the enigma that some stars appear to be older than the previously accepted age of the universe. One viable explanation that emerges is related to radially inward radiation from little black holes that accelerates them and the rest of the universe outward. The author describes how the new discoveries radically change the concept of what drives the macrocosm and initiate a fundamentally new quest for the laws that govern the universe on a large scale View full abstract»

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  • A master's degree program with emphasis on electric power systems through distance education

    Publication Year: 1999 , Page(s): 49 - 51
    Cited by:  Papers (1)
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    Kansas State University (KSU) Electrical and Computer Engineering (EECE) department is offering graduate courses leading to a master of science degree in electrical engineering with an electric power systems emphasis. All courses needed for the degree will be offered via videotape, World Wide Web, or other multimedia delivery methods. Courses can be taken for graduate credit leading to an advanced degree or can be taken without formal degree candidacy. Admission requirements, program information and a course description are outlined View full abstract»

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  • Analysis of line compensation by shunt-connected FACTS controllers: a comparison between SVC and STATCOM

    Publication Year: 1999 , Page(s): 57 - 58
    Cited by:  Papers (5)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (180 KB)  

    A novel method for the analysis of the effectiveness of an SVC and a STATCOM of the same kVAr rating for first-swing stability enhancement is presented and the concept is demonstrated with a numerical example. The analysis shows that the STATCOM is superior to the SVC for first-swing stability enhancement View full abstract»

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