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Telecommunications Energy Conference, 1983. INTELEC '83. Fifth International

Date 18-21 Oct. 1983

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Displaying Results 1 - 25 of 109
  • Fifth International Telecommunications Energy Conference

    Publication Year: 1983, Page(s): 1
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  • Copyright page

    Publication Year: 1983, Page(s): 2
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  • Welcome to INTELEC 83

    Publication Year: 1983, Page(s): i
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  • Organization of INTELEC 83

    Publication Year: 1983, Page(s):ii - iii
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  • Intelec Advisory Committee

    Publication Year: 1983, Page(s): iv
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  • Intelec Executive Committee

    Publication Year: 1983, Page(s): iv
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  • [Acknowledgements]

    Publication Year: 1983, Page(s): V
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  • Table of contents

    Publication Year: 1983, Page(s):vi - xi
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  • Evolving Central-Office Powering Architectures

    Publication Year: 1983, Page(s):1 - 5
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (5686 KB)

    This paper reviews the forces and trends that have an impact on the evolution of exchange telecommunication networks and the effect each of these may have on central-office power systems. Alternative powering architectures are discussed, with considerations highlighted for each. No prediction is made as to which of the power architectures will dominate; this will depend on the evolution of various... View full abstract»

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  • Microprocessor Control System for Large Power Plants

    Publication Year: 1983, Page(s):6 - 12
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (6178 KB)

    A general purpose control and monitoring system for power plants has been developed by ERICSSON, Sweden. Based on distributed microcomputers the system is implementable not only in Power Supply Plants but also in the other systems involved in generation conversion, storage and transportation of energy in conjunction with a telecommunication plant. The system has been named ERICSSON ENERGY-MASTER a... View full abstract»

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  • It's in the Air

    Publication Year: 1983, Page(s):13 - 20
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (6593 KB)

    This paper deals with the state-of-the-art of the areas windturbines and power supply for remote telecommunications systems. The increasing reliability demands within the telecommunications industri necessitates improvement of all units in the system including the windturbine. To ensure the right development some calculation models for systemreliability must be employed. To ensure an optimal combi... View full abstract»

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  • PDF Not Yet Available In IEEE Xplore

    Publication Year: 1983, Page(s): 1
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  • PDF Not Yet Available In IEEE Xplore

    Publication Year: 1983, Page(s): 1
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  • Review of Cardiff Telephone Exchange Total Energy System After Three Years Operation

    Publication Year: 1983, Page(s):21 - 26
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (5274 KB)

    A self contained continuous power generation system as described at INTELEC 1979, was successfully commissioned and put into service in a major communications centre at Cardiff in Wales. The objective was to provide all telecommunications equipment and electrical building engineering services from a dual fuel engine-generating plant, and to recover waste heat energy to heat or cool the building. T... View full abstract»

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  • Reliability and Maintenance of Stationary Batteries

    Publication Year: 1983, Page(s):27 - 34
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (6460 KB)

    In general, lead acid batteries are prefered for telecommunication application, they attain complete recharged even at the float voltage of 2.23 V/cell. The charging process is more efficient and the voltage gap between charge and discharge is smaller compared to nickel/cadmium batteries. Several checks are discussed, which are employed to guarantee proper performance of the battery during service... View full abstract»

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  • State of the Art in DC-to-DC Converters

    Publication Year: 1983, Page(s):35 - 42
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (8448 KB)

    A survey on the state of the arts in the dc-to-dc converter is presented. A number of important problems underlying the converter are classified into two categories, one is solvable by the averaging method and the other is not. In general, the converter circuit itself should be stable in order to reduce the size of the converter by making its switching frequency high. As examples of size reduction... View full abstract»

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  • Geode-An Electrical Energy Supply with High Availability

    Publication Year: 1983, Page(s):43 - 49
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5223 KB)

    Project GEODE describes an electrical energy supply characterized by its very high availability. It is to be used in the PTT (French Telephone Company) telephone exchanges and is targeted for an unavailability of better than 10-6. In order to achieve this performance Merlin Gerin has adopted - a double bus bar architecture - remote controlled electrical equipment - a motor-generator set... View full abstract»

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  • Power System of New International Switching Center of KDD

    Publication Year: 1983, Page(s):50 - 55
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4655 KB)

    The power plant of the telecommunications center plays an important role in the telecommunications facilities from the view point of reliability and energy conservation. KDD (Kokusai Denshin Denwa Co., Ltd.) is now constructing the new international switching center. This paper describes the power system of this new switching center where an effort has been made to have the power system more relia... View full abstract»

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  • Battery Charging Principles and Systems in use at the Swedish Telecommunications Administration - Present and Planned Installations

    Publication Year: 1983, Page(s):56 - 61
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (5513 KB)

    The charging methods for stationary accumulators for use in telecommunication installations have changed through out the years. The reason for this is not only the development and the achievements in the battery technology field and the new methods and components in the control area but also the better knowledge of demands and result of the operation and maintenance work in the field. From the adm... View full abstract»

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  • A Power Feed System for Optical Data Highway Systems

    Publication Year: 1983, Page(s):62 - 68
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4966 KB)

    This paper describes the new power feeding system for remote terminals of an optical fiber data highway in buildings or on the premises. Our developed new power feeding system has features the following techniques to enhance reliability and design flexibility. (1) A combination of remote and local power feeding system is used. (2) This power feeding system can be applied flexibly for a larger scal... View full abstract»

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  • PDF Not Yet Available In IEEE Xplore

    Publication Year: 1983, Page(s): 1
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (15 KB)

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  • A Modular, Uninterruptible AC Power Plant for Telecommunication Loads

    Publication Year: 1983, Page(s):69 - 75
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (7538 KB)

    After a brief analysis of the power requirements of various telecommunication AC load this paper describes some different uninterruptible power plants presently adopted and compares them from the point of view of performances and reliability. It is then presented a type of uninterruptible AC power plant installed in many SIP (Italian Operating Telephone Company) exchange officies. It is characteri... View full abstract»

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  • New Uninterruptible Power Supply System for Satellite Communication

    Publication Year: 1983, Page(s):76 - 83
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (8570 KB)

    This paper deals with new uninterruptible power supply (UPS) system for satellite communication, delivered to Kokusai Denshin Denwa Co., Ltd. Sophisticated operation and transfer techniques of the system consisting of two UPS units and two bypass units to improve system availability are described. Microcomputerized 150 kVA GTO UPS unit which provides excellent characteristics, waveform recording a... View full abstract»

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  • DC-to-AC Power Converter for Fuel Cell System

    Publication Year: 1983, Page(s):84 - 91
    Cited by:  Papers (3)  |  Patents (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (7835 KB)

    As the interface between fuel cells and the utility line, a self-commutated inverter is preferred to a line-commutated inverter because of its easy controllability. Using the gate turn off (GTO) thyristors, this inverter can have high efficiency and simple circuit configurations. This paper describes the design features and test results of the dc-to-ac power converter, which is principally compose... View full abstract»

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  • GTO Inverter for Uninterruptible Power System

    Publication Year: 1983, Page(s):92 - 99
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (6752 KB)

    Data communication, satellite communication and other communication facilities commonly use an uninterruptible power system (UPS) for their critical AC power supplies. The requirements of the recent move toward energy conservation have led to a demand for higher efficiency in these UPS's. This paper describes the actual use the first UPS employing gate turn-off thyristors (GTO) with self-quenching... View full abstract»

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