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Power Engineering Journal

Issue 6 • Date Dec. 2000

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Displaying Results 1 - 8 of 8
  • Primary switchgear

    Publication Year: 2000 , Page(s): 264 - 269
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (434 KB)  

    As the name implies, primary switchgear is the first stage in the process of conducting electrical power from the grid to the end user. The importance of the strategic position of the substation and its switchgear within the system means that the layout, design and operation must be such that it provides maximum availability and reliability. View full abstract»

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  • Developments in ring main unit design for improved MV network performance

    Publication Year: 2000 , Page(s): 270 - 277
    Cited by:  Papers (4)
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (339 KB)  

    Ring main units have evolved from their original application as simple MV/LV transformer tee-off points into a much move versatile tool. The key development has been the introduction of low-cost SF/sub 6/ rotating arc circuit breakers with integral earth and testing, as well as advances in communication and control technologies. Further improvements in network security and availability can be achieved by applying the RMU circuit breaker as a sectionalising point. View full abstract»

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  • The impact of standardisation in MV circuit breaker panels

    Publication Year: 2000 , Page(s): 278 - 285
    Cited by:  Patents (1)
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (446 KB)  

    The authors describe how, in recent years, manufacturers of medium voltage switchgear and related types of equipment have been under pressure from electricity distribution companies and industrial end users to increase product quality, reliability and ease of commissioning whilst still reducing ownership cost and size. View full abstract»

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  • Switchgear for 2000 and beyond

    Publication Year: 2000 , Page(s): 286 - 292
    Cited by:  Patents (2)
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (1135 KB)  

    Customer values associated with medium-voltage switchgear have undergone a significant shift during the last decade. The privatisation of the electrical distribution industry in the UK has resulted in increased demands on MV switchgear in performance terms, including procurement and operating costs, ease of installation and reduced maintenance. Safety has remained of paramount importance and the environmental impact has become an essential element of designs. View full abstract»

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  • The finite state machine for control of high frequency power electronics

    Publication Year: 2000 , Page(s): 305 - 311
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (973 KB)  

    The power density of converters and drives can benefit from higher operating frequencies, and adaptive control methods can increase system response and stability. The functionality of the finite state machine provides an ideal platform to build a high-frequency adaptive controller for power electronics applications. This article describes the essential features of a finite state machine, the analysis and design basics, and how the adaptive control methods are used to increase the performance. To conclude, the design, simulation and implementation of an FSM controller for a 1.5 kW 25 kHz power converter is presented. View full abstract»

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  • Power in the sun

    Publication Year: 2000 , Page(s): 297 - 304
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (1336 KB)  

    This article gives counterpoint to the rapidly changing scene in the electricity supply industry in the 'western world'. The supply of electricity in 'sunny countries', that are euphemistically known as 'developing' countries, is discussed. These are countries that tend only to find the headlines in newspapers and on TV if there is a war, natural disaster or insurrection. But they are also the kind of countries that have demanded the attention of a large number of engineers and others who, over the years, have been determined to provide affordable and reliable electricity within those countries. View full abstract»

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  • 2000 Index

    Publication Year: 2000 , Page(s): 0_3
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    First Page of the Article
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  • Progress in distribution switchgear

    Publication Year: 2000 , Page(s): 260 - 263
    Save to Project icon | Click to expandQuick Abstract | PDF file iconPDF (220 KB)  

    First Page of the Article
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