A recent trends in the implementation of Intranet based measurement and monitoring

Ishihara, Yuji; Shirota, Yusuke; Sekiguchi, K.; Sato, S.; Sawai, Kei

doi:10.1109/tdc.2002.1177816

Cited by 8 publications

(6 citation statements)

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“…On the whole, all the findings concern emaintenance implementations with various ICTs fulfilling different OSA-CBM layers. The complete integration of data, systems and processes emerges as an important requirement to fulfil for the [83] Web technology Customer service support Maintenance Ishihara et al [84] Web technology Web-based fault location system Power industry Marzi and John [85] Multi-agent system To support the operators of CNC machine tools in fault finding…”

Section: Discussionmentioning

confidence: 99%

“…Ishihara et al [84] describe the development of two kinds of hardware, the Network Computing Unit (NCU) and the Network Computing Terminal (NCT). They believe that these two technologies in conjunction with Internet and Intranet technologies can increase the efficiency in operation and maintenance through the protection and control of equipment.…”

Section: Other Findingsmentioning

confidence: 99%

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Development in the application of ICT in condition monitoring and maintenance

Campos

2009

Computers in Industry

150

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Section: Discussionmentioning

confidence: 99%

Section: Other Findingsmentioning

confidence: 99%

Development in the application of ICT in condition monitoring and maintenance

Campos

2009

Computers in Industry

150

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“…The accuracy of time synchronization of the PMU is standardized at 1 µs by the IEEE (Institute of Electrical and Electronics Engineers) Power Engineering Society [13]. In Japan, a PMU confirming this standard has been developed [14][15][16], and has been used to observe and evaluate the oscillatory characteristics of Japan's 60-Hz systems [17,18]. In addition, we have developed an original PMU using a high-speed DSP (Digital Signal Processor) [19].…”

Section: System Specifications Required To Realize Proposed Methodsmentioning

confidence: 99%

Midterm stability evaluation of wide‐area power system using synchronized phasor measurements

Ota

Ukai

Nakamura

et al. 2004

Electrical Engineering Japan

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SUMMARYIn recent years, the PMU (Phasor Measurement Unit) has received a great deal of attention as a synchronized measurement system of power systems. Synchronized phasor angles obtained by the PMU provide valuable information for evaluating the stability of a bulk power system. The aspect of instability phenomena during midterm tends to be more complicated, and the stability analysis using the synchronized phasor measurements is effective in order to keep a complicated power system stable. This paper proposes a midterm stability evaluation method for the wide-area power system using synchronized phasor measurements. By clustering the power system to some coherent groups, step-out is predicted on the basis of an aggregated two-machine equivalent power system. The midterm stability of a longitudinal power system model of Japan's 60-Hz systems constructed by a hybrid-type power system simulator is practically evaluated using the proposed method.

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“…Consumers always expect higher reliability and better quality of electric power supply, not only for outage but also for voltage sags which have a serious effect on industrial and commercial operations [1]. In order to improve the electric power supply quality, electrical power companies need to collect valuable information of electric-parameters (e.g.…”

Section: Introductionmentioning

confidence: 99%