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Dive into the research topics where David Richard Boothman is active.

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Featured researches published by David Richard Boothman.


IEEE Transactions on Power Apparatus and Systems | 1974

Thermal Tracking-A Rational Approach to Motor Protection

David Richard Boothman; Everett C. Elgar; Robert Henry Rehder; R. J. Wooddall

Motors of modern design have less tolerance to overloads than their predecessors. In addition, present-day applications tend to utilize the maximum capability of motors. Induction -motor stator insulation or rotor bars may be severely damaged by over temperature due to repeated starts, locked rotors, cyclic loads and other conditions for which existing overload devices do not provide adequate protection.


Archive | 1975

Temperature monitoring of semiconductors

David Richard Boothman; Everett C. Elgar


Archive | 1983

Electrical equipment protection apparatus and method

David Richard Boothman; John C. Forde


Archive | 1983

Thermal model for electrical apparatus

David Richard Boothman; John C. Forde


Archive | 1973

CIRCUIT FOR DETECTING PHASE UNBALANCE IN A THREE PHASE SUPPLY

David Richard Boothman; David Walter Nutt


Archive | 1972

SOLID STATE THERMAL OVERLOAD INDICATOR

David Richard Boothman; David Walter Nutt


Archive | 1984

Rotor protection apparatus and method

David Richard Boothman


Archive | 1975

Overtemperature protective circuit for switching devices

David Richard Boothman; Robert Henry Rehder; Everett C. Elgar


Archive | 1973

DETECTOR FOR REVERSE AND OPEN PHASE IN A THREE PHASE CIRCUIT

David Richard Boothman; David Walter Nutt


Archive | 1973

Anzeigeeinrichtung zum schutz von elektromagnetischen geraeten vor ueberhitzung

David Richard Boothman; Everett C. Elgar; David Walter Nutt

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