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Computer Applications in Power, IEEE

Issue 2 • Date April 1996

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Displaying Results 1 - 9 of 9
  • Guest Editorial

    Publication Year: 1996
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    Freely Available from IEEE
  • Modular simulators match cost and performance criteria [power systems]

    Publication Year: 1996 , Page(s): 36 - 41
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (892 KB)  

    Digital power system simulators for protective relay testing were introduced as a concept in the late 1970s with the first designs made available in the early 1980s. Since that time, a variety of digital simulator solutions have been implemented and used by utilities, universities, and relay vendors. It is interesting to note that all of the designs had quite different implementation approaches an... View full abstract»

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  • Lightning detection network averts damage and speeds restoration

    Publication Year: 1996 , Page(s): 12 - 17
    Cited by:  Papers (6)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1044 KB)  

    Based on an extensive survey of US electric utilities, lightning is the single largest cause of outages on distribution and transmission systems in lightning-prone areas. Here, the authors describe how, with the aid of a network of electromagnetic sensors, computer systems, and satellite communications, the National Lightning Detection Network can now help electric utilities prepare for storms. To... View full abstract»

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  • EMS network security applications of the future

    Publication Year: 1996 , Page(s): 42 - 46
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (908 KB)  

    Changes facing the electricity supply industry are significant, and the challenges these changes pose are enormous. There are major changes to the business environment of traditional electric utilities. There are also changes in the management of the companies in that nontechnical people are taking over the leadership of traditionally technical companies to deal with the new business scenario. Thi... View full abstract»

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  • Digital simulators expedite relay performance evaluation

    Publication Year: 1996 , Page(s): 18 - 22
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (500 KB)  

    This article looks at the various applications of digital simulator technology that have been used to meet the testing requirements of today's more advanced power system protection relays. The authors describe how digital simulators present a new development tool for real-time simulation techniques and for the automation of protective relay testing View full abstract»

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  • Integrating power utility telecommunication networks

    Publication Year: 1996 , Page(s): 27 - 30
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (820 KB)  

    Rapid technological advances within the telecommunication sector and the power sector's ever-increasing needs for information and transmission services have led electric utilities to use heterogeneous telecommunication networks, grouping together equipment from various manufacturers and technologies. Management of such networks is difficult and fragmented, often employing proprietary systems. This... View full abstract»

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  • Image processing application maps optimal transmission routes

    Publication Year: 1996 , Page(s): 47 - 51
    Cited by:  Papers (5)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (876 KB)  

    The process of selecting an optimal route for a transmission line is complex as it involves technical, social, economic, environmental, and planning aspects. A new method was developed to help engineers select routes of specific transmission lines. The methodology is based on the use of satellite images of the geographic region which the line will cross. The selection process searches for the most... View full abstract»

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  • Distribution automation system with real-time analysis tools

    Publication Year: 1996 , Page(s): 31 - 35
    Cited by:  Papers (16)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (640 KB)  

    In the past 10 years, the electric power industry's involvement in distribution automation (DA) has been principally focused on remote monitoring and control of the distribution systems and their equipment. SCADA has constituted the most significant attribute. Electric utilities in many locations around the world have installed numerous SCADA systems for their distribution substations and feeders ... View full abstract»

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  • Network models enlighten harmonics investigations [of power systems]

    Publication Year: 1996 , Page(s): 23 - 26
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (604 KB)  

    With the increasing use of controlled power electronic devices, the computer-aided estimation of future harmonic loads is playing an increasingly important role in the planning of power network expansion projects and in the connection of new loads. A suitable means of representing network elements and complete network components across the entire frequency range under investigation is required for... View full abstract»

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