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About 7,530 papers for “Overvoltage”

Overvoltage

Maag, Oscar Lewis · KU ScholarWorks (The University of Kansas) · 1917

Cited by 0Open access

Overvoltage

H.F. Hunt, Joseph F. Chittum, H. W. Ritchey · Transactions of The Electrochemical Society · 1938

The overvoltage of hydrogen was measured on platinum, silver, copper, gold, tin, iron, zinc, lead, and nickel ; likewise the overvoltage of oxygen on platinum and on gold in potassium hydroxide solutions. Colloidal metal, if present in the electrolyte, changed the overvoltage. Rotating the electrode decreased the overvoltage. At current densities between 1 × 10 −4 and 1 × 10 −2 or 10 −3 milliamp./cm. 2 , the overvoltage on bright metals was less than the reversible potential. By adjusting the concentration of finely divided metal on the surface of the electrode, the overvoltage for various metals became very nearly the same.

Cited by 4

Overvoltage

C. W. Bennett, J. G. Thompson · The Journal of Physical Chemistry · 1916

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOvervoltageC. W. BennettC. W. BennettMore by C. W. Bennett and J. G. ThompsonJ. G. ThompsonMore by J. G. ThompsonCite this: J. Phys. Chem. 1916, 20, 4, 296–322Publication Date (Print):April 1, 1916Publication History Published online1 May 2002Published inissue 1 April 1916https://doi.org/10.1021/j150166a004Request reuse permissionsArticle Views120Altmetric-Citations5LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access options Get e-Alerts

Cited by 5

CCXXVI.—Overvoltage

Edgar Newbery · Journal of the Chemical Society Transactions · 1914

THE whole subject of overvoltage, its properties, magnitude, and determining factors, is a t present in such an undecided state, in spite of extensive researches already carried out, that the following work was originally begun mainly with the idea of helping to decide between the many different theories put forward. I n the course of the investigation, however, a number of new phenomena were observed for which no existing theory can account. The final explanation offered, therefore, embraces some of the principles put forward in the earlier theorie's, together with new determining factors which have been established for the first time in this work.

Cited by 16Open access

Overvoltage Protection

Asif Jakwani, P. Enjeti · Wiley Encyclopedia of Electrical and Electronics Engineering · 1999

Abstract The sections in this article are Overvoltage Transients Overvoltage Protection Devices Overvoltage Protection for Switch‐Mode Power Supplies

Cited by 0

Overvoltage protection

L. Csuros · Institution of Engineering and Technology eBooks · 1995

Overvoltages due to lightning have their cause external to the system, therefore they are often referred to as external overvoltages.The mechanism of the lightning discharge has been studied with rotating cameras, it illustrates a typical record by Schonland obtained with such a camera. It has been found that the discharge is normally initiated from the cloud at a point of high electric stress, and in the majority of cases, a negative charge from the cloud proceeds towards the ground in a series of jerks of 'steps'. This is the 'leader stroke'. When the leader stroke approaches the ground, high electric stresses develop above the ground and an upward streamer of positive charges develops from the ground.

Cited by 4

Overvoltage Phenomena

2007

This chapter contains sections titled: Classification of Overvoltage Phenomena Fundamental (Power) Frequency Overvoltages (Non-resonant Phenomena) Lower Frequency Harmonic Resonant Overvoltages Switching Surges Overvoltage Phenomena by Lightning Strikes

Cited by 0

Reversible overvoltage

Edgar Newbery · Transactions of the Faraday Society · 1947

E. Newbery, Trans. Faraday Soc., 1947, 43, 127 DOI: 10.1039/TF9474300127

Cited by 8

Overvoltage protection network

Cambra, J. M. · NASA STI Repository (National Aeronautics and Space Administration)

Electrical equipment to be protected from overvoltage is connected with a possible source of overvoltage via an input conductor. A fuse is connected in series with the input conductor. A spark gap is connected between the input conductor and ground for conducting the overvoltage current to ground and for blowing the fuse to open the circuit to the electrical equipment. A pulse attenuator network is provided between the spark gap and the electrical equipment to be protected for attenuating the pulse of energy passing through the fuse and spark gap prior to blowing of the fuse. The pulse attenuator network includes additional shunt spark gaps, series inductance, and a series connection of a twisted shielded pair of conductors having low-voltage insulation.

Cited by 0Open access

Studies in overvoltage /

Farber, Jacob Alex., Rinck, Franklin Bliss. · The Journal of the Abraham Lincoln Association

Cited by 0Open access

Overvoltage Protection Circuits

W. Büchler · 1985

This paper deals with protection measures against overvoltages in electrical conductors resulting from NEMP or lightning. Measurements recorded for discharge elements and protection circuits under NEMP conditions will be presented in addition to generally applicable basic principles. Overvoltage protection circuits is the name given to the following combinations of primary and secondary protection elements which have at least one longitudinal element for de-coupling various voltage-limiting elements. The scope of this paper is limited to arrangements which as far as possible are universally applicable.

Cited by 0