1974 IEEE Power Electronics Specialists Conference

10-12 June 1974

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  • [Front cover]

    Publication Year: 1974, Page(s): c1
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  • [Title page]

    Publication Year: 1974, Page(s): 1
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  • Paper selection criteria

    Publication Year: 1974, Page(s): 2
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  • Table of contents

    Publication Year: 1974, Page(s): 3
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  • A tour of the electronic power systems laboratory

    Publication Year: 1974, Page(s):4 - 5
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  • PESC—Achievements and challenges

    Publication Year: 1974, Page(s): 6
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  • Conference committee

    Publication Year: 1974, Page(s): 7
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  • Conference registrants

    Publication Year: 1974, Page(s):8 - 12
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  • Call for papers

    Publication Year: 1974, Page(s): 13
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  • Opening remarks by the conference general chairman

    Publication Year: 1974, Page(s): 14
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    While the environment in which power processing circuits are finding application varies significantly, it has been repeatedly demonstrated that there is essentially a common core of technology from which the varied circuits and devices are developed. It is the desire to exchange ideas on this common core of technology that motivates many power electronic specialists to attend a meeting such as thi... View full abstract»

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  • Welcoming address

    Publication Year: 1974, Page(s):15 - 16
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    It is a pleasure to participate in the opening of this Fifth Annual Power Electronics Specialists Conference by welcoming you on behalf of Bell Laboratories to our grounds here at Murray Hill and to the use of these conference facilities. From a careful look at the program of papers, one can predict that this conference will be an effective and interesting technical forum. View full abstract»

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  • Systems and packaging session summary

    Publication Year: 1974, Page(s): 17
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    Provides a summary of the conference session. View full abstract»

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  • Recent developments in Bell System power processing circuitry

    Publication Year: 1974, Page(s):18 - 22
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    A description of the organization of the Electronic Power Systems Laboratory at Bell Laboratories is given. An overview of the variety of power converter developments in the laboratory is presented citing typical applications. The standardization effort in power is described outlining progress to date. Finally, the activities in various support functions are discussed. View full abstract»

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  • A modular approach to DC to DC power converters

    Publication Year: 1974, Page(s):23 - 27
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    A familiar power inverter circuit, combined with a ferroresonant transformer and a simple control circuit, provides the basis for an economically attractive modular family of DC to DC converters. The circuit is readily adaptable to a wide range of input voltages and single or multiple output voltages. View full abstract»

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  • An AC constant current generator for electrostatic copying machines

    Publication Year: 1974, Page(s):28 - 33
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (1218 KB)

    A tuned collector, resonant feedback, saturated current oscillator circuit is described and analyzed for powering AC corona generators in electrostatic copying machines. The oscillator circuit is modeled as a nonlinear feedback control system and then linearized by the method of Harmonic Linearization. The resulting transfer function is utilized to establish design equations and to show the sensit... View full abstract»

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  • A solid insulation system for airborne high-voltage components and systems

    Publication Year: 1974, Page(s):34 - 39
    Cited by:  Papers (1)
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    A method for the design of a high-voltage solid insulation system used in airborne or satellite high-voltage components and systems is presented, and illustrated with a successful system now used in these applications. The design is based on the elimination of corona in the solid, and principally involves making an insulation with a very high corona inception voltage and then controlling the elect... View full abstract»

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  • Corona characteristics of flaws in a solid encapsulated high voltage inverter transformer

    Publication Year: 1974, Page(s):40 - 50
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (2299 KB)

    Thermal stress cracks have been observed in high voltage solid encapsulated transformer cells resulting from stress concentrations of the order of 10 at the interface between a copper plated shield and the resin. These cracks result in a degradation of CIV by a factor of 6. They are characterized by corona pulse spectra having very high amplitudes. Pulses of 50 to 500 pC have been observed at an o... View full abstract»

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  • High current, fast turn-on pulse generation using thyristors

    Publication Year: 1974, Page(s):51 - 60
    Cited by:  Papers (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (2807 KB)

    The dynamic turn-on characteristics of inverter type SCR's can be employed to achieve high current densities with short rise times (106a/cm2μs). Little carrier modulation occurs during these turn-on times which results in large forward voltage drops. Resultant dissipations necessitate short pulse width operation but repetition rates up to 50KHz are reported. By comparing turn... View full abstract»

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  • High voltage applications session summary

    Publication Year: 1974, Page(s): 61
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    Summary only given, as follows. Processing “High Voltage”, be it several hundred or thousands of volts, is a unique field in power electronics. The designer is faced with many new challenges in instrumentation, circuit design, materials and packaging. Special attention must be paid to component stress levels, mechanical layout and environmental conditions in order to avoid the damaging effects of ... View full abstract»

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  • The interaction of spacecraft high voltage power systems with the space plasma environment

    Publication Year: 1974, Page(s):62 - 69
    Cited by:  Papers (4)
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    The interaction of high voltage systems immersed in a space plasma environment can cause power loss and damage to insulators and metal surfaces. Work in this area is reviewed and recent results presented. View full abstract»

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  • Pulse modulation and signal processing circuits to perform precise control and monitoring functions with high-voltage isolation

    Publication Year: 1974, Page(s):70 - 80
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    Pulse-position modulators are used for remote sensing of analog signals in a high-voltage constant-current dc power supply for a wideband submarine cable system. The pulse-position modulators translate the sensed analog signals into the time domain in the form of time delayed pulses. The transfer characteristics of the modulators are linearized and made insensitive to clock frequency and other sou... View full abstract»

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  • A high power TWT power processing system

    Publication Year: 1974, Page(s):81 - 90
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (2621 KB)

    A power processing system design for a space-type high power (200W RF) multi-stage depressed collector traveling wave tube is described. Operating requirements are set forth and a block diagram is presented illustrating the overall approach used in providing the requisite outputs. The basic power circuit is illustrated and overall performance, design characteristics and unique features are discuss... View full abstract»

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  • High performance dc-dc conversion with voltage multipliers

    Publication Year: 1974, Page(s):91 - 96
    Cited by:  Papers (2)
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    The voltage multipliers using capacitors and diodes first developed by Cockcroft and Walton in 1932 were reexamined in terms of state of the art fast switching transistors and diodes, and high energy density capacitors. Because of component improvements, the voltage multiplier, used without a transformer, now appears superior in weight to systems now in use for dc-dc conversion. An experimental 10... View full abstract»

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  • High voltage series resonant inverter ion engine screen supply

    Publication Year: 1974, Page(s):97 - 105
    Cited by:  Papers (10)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (3444 KB)

    Anticipated future spacecraft requirements have motivated research on high power, high voltage dc to dc power processors. Therefore, a LC series resonant inverter utilizing silicon-controlled rectifiers (SCR's) or thyristors as power switches has been developed as the main power stage of the ion engine power processor over an input of 200 to 400Vdc, and an output of no load to 2.5KW. Because of si... View full abstract»

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  • A high performance line regulator

    Publication Year: 1974, Page(s):106 - 113
    Cited by:  Papers (1)
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    A high performance 10 kHz switching line regulator featuring isolated drive with full dynamic range is described. Also described are a wide-band isolated output sense circuit and suitable compensation extended transient response beyond the resonant frequency of the output filter. This switching regulator was designed and developed as part of a program sponsored by NASA Lewis Research Center, Contr... View full abstract»

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