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OVERPOTENTIAL [7 records]

Record 1 2009-08-11

English

Subject field(s)
  • Electric Currents
  • Electrical Circuits and Circuit Breakers
DEF

Abnormal voltage between two points of an electrical installation of a system.

Key term(s)
  • over voltage

French

Domaine(s)
  • Courants (Électrocinétique)
  • Circuits électriques et coupe-circuits
DEF

Tension anormale entre deux points d'une installation électrique.

Spanish

Campo(s) temático(s)
  • Corriente eléctrica
  • Circuitos eléctricos e interruptores automáticos
DEF

Evaluación anormalmente grande de la tensión de una línea o circuito eléctrico debido a alguna interrupción o restablecimiento de la continuidad de los mismos [...]

Save record 1

Record 2 2002-04-29

English

Subject field(s)
  • Physics
DEF

The voltage drop across the electrolyte itself due to the finite resistivity of the solution.

OBS

These ohmic losses need not be linear with current - this is especially true in low concentration electrolytes.

French

Domaine(s)
  • Physique

Spanish

Save record 2

Record 3 2000-04-01

English

Subject field(s)
  • Chemical Engineering
DEF

The activation energy necessary to initiate the reaction at the electrodes.

French

Domaine(s)
  • Génie chimique

Spanish

Save record 3

Record 4 1997-09-26

English

Subject field(s)
  • Electrochemistry
CONT

... the Wagner number... is a quantity which determines the throwing power and characterizes the equalizing influence of overpotential on the current distribution. In electroplating the throwing power is qualitatively defined as the "ability of a solution to deposit metal uniformly upon a cathode of irregular shape".

French

Domaine(s)
  • Électrochimie
CONT

... le nombre de Wagner ... est une quantité qui détermine le pouvoir de dépôt uniforme et qui caractérise l'influence égalisatrice de la surtension sur la distribution du courant. Dans le plaquage électrolytique, le pouvoir de dépôt uniforme est défini d'une manière quantitative comme «l'habilité d'une solution à déposer un métal d'une façon uniforme sur une cathode de forme irrégulière».

Spanish

Save record 4

Record 5 1997-06-09

English

Subject field(s)
  • Electrochemistry
CONT

The primary current distribution is that which establishes itself when the influence of overpotential is negligible.

French

Domaine(s)
  • Électrochimie
DEF

[...] distribution de courant [...] qui s'établit lorsque l'influence d'une surtension est négligeable.

Spanish

Save record 5

Record 6 1997-06-09

English

Subject field(s)
  • Electrochemistry
CONT

The tertiary current distribution is that which establishes itself when the influence of the overpotential(including concentration overpotential) cannot be neglected.

French

Domaine(s)
  • Électrochimie
DEF

[...] distribution de courant [...] qui s'établit lorsque l'influence de la surtension (y compris la surtension de la concentration) ne peut pas être négligée.

Spanish

Save record 6

Record 7 1997-06-09

English

Subject field(s)
  • Electrochemistry
CONT

The secondary current distribution is that which establishes itself when the influence of the overpotential cannot be neglected but concentration overpotential is negligible. The secondary distribution is often described in terms of dimensionless numbers...

French

Domaine(s)
  • Électrochimie
DEF

[...] distribution [...] qui s'établit lorsqu'on ne peut pas négliger l'influence de la surtension, mais que la surtension de concentration est négligeable. On décrit souvent la distribution secondaire en fonction de nombres sans dimensions de la forme [...]

Spanish

Save record 7

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