Journal of the Institution of Electrical Engineers

Journal of the Institution of Electrical Engineers

Online ISSN 2054-0612
Print ISSN 0099-2887

Published from 1889-1940, the Journal of the Institution of Electrical Engineers presented the proceedings of meetings held by and all papers presented to the Institution, in addition to other matters of general interest.

This journal was previously known as Journal of the Society of Telegraph-Engineers and Electricians 1883-1888. ISSN 2050-5477. more..

This journal was previously known as Journal of the Institution of Electrical Engineers - Part I: General 1941-1948. ISSN 0367-7559. more..

This journal was previously known as Journal of the Institution of Electrical Engineers - Part II: Power Engineering 1941-1948. ISSN 0367-7567. more..

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The thirty-first Kelvin Lecture. “Thermodynamics and the lowest temperatures”
- Author(s): C.G. Darwin
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- p. 581 –587 (7)
Insulation
- Author(s): H. Warren
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- p. 588 –596 (9)
Developments in surge recording by means of the klydonograph
- Author(s): J.L. Candler
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- p. 597 –609 (13)
  During the past six years an investigation has been in progress to determine, by means of continuously-recording klydonographs, certain features of voltage surges (and primarily those due to lightning) on overhead lines. This account is based on E.R.A. Report Ref. S/T26, and is mainly concerned with the instruments and their auxiliaries.The subject matter is divided into six Sections. Section (1) is a brief and general account of the investigation, and mentions the factors necessitating improvements to the apparatus employed.Section (2) describes the improved klydondgraphs and gives an account of some of the defects overcome. The phenomenon of cyclic intermittent film motion is considered in detail.Section (3) deals with the potential-dividers, and the auxiliary equipment thereof, used in this investigation. Specific reference is made to the development of unit-type dividers.Section (4) deals with calibrations, and indicates the limitations of 50-cycle calibrations used for the estimation of impulse voltages. Calibrations performed at the Association's laboratory are described, and the voltage limits and probable accuracy of recording are stated.Section (5) concerns the investigations in the field. A brief description of the tests is followed by an analysis of the results obtained.Section (6) draws conclusions from the six years' work. Although only few records of surges due to lightning were obtained, both the apparatus and technique employed have been considerably improved, and valuable experience has been acquired. From this, conclusions and recommendations pertinent to the klydonographs and auxiliary apparatus are stated. The sparsity of lightning surge records, common with this type of investigation, permits only few and tentative conclusions to be drawn regarding the nature of lightning disturbances on overhead lines. Switching surges are mentioned briefly.
Discussion on “Developments in surge recording by means of the klydonograph” before the Meter and Instrument Section, 5th April, 1940
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- p. 609 –614 (6)
The development of a pre-stressed (“toughened”) glass insulator
- Author(s): P.M. Hogg
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- p. 615 –624 (10)
  The first part of the paper briefly describes the manufacture of glass. This description is followed by a discussion of the development of strain in cooling glass, and “toughened” glass is shown to be glass which has been so cooled as to produce a state of high compression in the surface layers. An account is given of the application of toughened glass to the manufacture of power-line insulators, and the paper concludes with a summary of the tests made during the development period.

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