IEC 60050-121:1998
(Main)International Electrotechnical Vocabulary (IEV) - Part 121: Electromagnetism
International Electrotechnical Vocabulary (IEV) - Part 121: Electromagnetism
It has the status of a horizontal standard in accordance with IEC Guide 108.
Vocabulaire Electrotechnique International (IEV) - Partie 121: Electromagnétisme
Elle a le statut de norme horizontale conformément au Guide IEC 108.
Steam turbines - Part 1: Specifications
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Steam turbines - Part 1: SpecificationsTurbines à vapeur - Partie 1: SpécificationsSteam turbines - Part 1: Specifications27.040Plinske in parne turbine. Parni strojiGas and steam turbines. Steam enginesICS:Ta slovenski standard je istoveten z:IEC 60045-1SIST IEC 60045-1:2000en01-junij-2000SIST IEC 60045-1:2000SLOVENSKI
STANDARD
NORMEINTERNATIONALEINTERNATIONALSTANDARDCEIIEC45-1Première éditionFirst edition1991-05Turbines à vapeurPartie 1:SpécificationsSteam turbinesPart 1:Specifications© CEI 1991 Droits de reproduction réservés — Copyright — all rights reservedAucune partie de cette publkatbn ne pout être reproduite niutilisée sous quelque forme que ce soit et par aucun pro-cédé, électronique ou mécanique. y compris la photocopie etles microfilms, sans l'accord écrit de l'éditeur.No part of this publication may be reproduced or utilized Inany form or by any means, electronic or mechanical,k>ckdkg photocopying and microfilm, without permissionIn writing from the publisher.Bureau Central de la Commission Electrotechnique Internationale 3, rue de Varembé Genève, SuisseIEC•Commission Electrotechnique InternationaleInternational Electrotechnical CommissionMeru ayHapoaiae 3nettrporemervecKaa I{oM rcorn•CODE PRIXPRICE CODEPRICE CODEPour prix, voir catalogue en vigueurFor price, see current catalogueSIST IEC 60045-1:2000
45-1 © IEC-3-CONTENTSPageFOREWORD . 5INTRODUCTION 7Clause1 Scope and object 92 Normative references 93 Terms and definitions 94 Guarantees
235 Governing (control)
256 Operation and maintenance
317 Components
398 Foundations and buildings
439 Feed pump drives
4510 Turbine auxiliary systems 4711 Instrumentation
5312 Protection
5513 Vibration
6314 Noise
6515 Tests
6516 Delivery and installation
6717 Design information to be supplied by the purchaser
6718 Design information to be provided by the supplier
7519 Turbine plant with regenerative feed water heating
77Annex A - Electronic governors 81SIST IEC 60045-1:2000
Six Months' RuleReport on Voting5(CO)285(CO)3145-1 © IEC- 5 -INTERNATIONAL ELECTROTECHNICAL COMMISSIONSTEAM TURBINESPart 1: SpecificationsFOREWORD1)The formal decisions or agreements of the IEC on technical matters, prepared by Technical Committees onwhich all the National Committees having a special interest therein are represented, express, as nearly aspossible, an international consensus of opinion on the subjects dealt with.2)They have the form of recommendations for international use and they are accepted by the NationalCommittees in that sense.3)In order to promote international unification, the IEC expresses the wish that all National Committeesshould adopt the text of the IEC recommendation for their national rules in so far as national conditions willpermit. Any divergence between the IEC recommendation and the corresponding national rules should, asfar as possible, be clearly indicated in the latter.This part of International Standard IEC 45 has been prepared by IEC TechnicalCommittee No. 5: Steam turbines.The text of this part is based on the following documents:Full information on the voting for the approval of this part can be found in the VotingReport indicated in the above table.Annex A forms an integral part of this part of IEC 45.SIST IEC 60045-1:2000
45-1©IEC- 7 -INTRODUCTIONThe first edition of IEC 45 was issued in 1931. Subsequent revisions were made, the lastbeing in 1970. Since then, intensive development has resulted in the availability of morehighly-rated turbines.The development of turbines suitable for use with water-cooled nuclear reactors has pro-ceeded in parallel, resulting in the production of large turbines for use with steam which isinitially dry-saturated or slightly wet.The demands made upon turbine control systems have increased simultaneously with thedevelopment of new control technologies, such as electro-hydraulic systems. Increasedreliability, higher standards of dynamic performance, suitability for two-shift operation, andincreased attention to health and safety are among the aspects now requiring highstandards of achievement.It has therefore become necessary to specify a turbine in more detail than was formerlyneeded. In consequence, this part of IEC 45 has been completely re-written, and is accor-dingly more comprehensive than earlier editions.Wherever practicable, this part of IEC 45 takes into account the scope for applying tosmaller turbines developments originally intended for larger machines, without implyingthat such applications would always be necessary or advantageous.SIST IEC 60045-1:2000
45-1 O IEC-9-STEAM TURBINESPart 1: Specifications1 Scope and objectThis part of International Standard IEC 45 is applicable primarily to steam turbines drivinggenerators for electrical power services. Some of its provisions are relevant to turbines forother applications.The purpose of this part is to make an intending purchaser aware of options and alterna-tives which he may wish to consider, and to enable him to state his technical requirementsclearly to potential suppliers.2 Normative referencesThe following standards contain provisions which, through reference in this text, constituteprovisions of this part. At the time of publication, the editions indicated were valid. Allstandards are subject to revision, and parties to agreements based on this part are encou-raged to investigate the possibility of applying the most recent editions of the standardsindicated below. Members of IEC and ISO maintain registers of currently valid Inter-national Standards.IEC 651: 1979, Sound level meters.IEC 953-1: 1990, Rules for steam turbine thermal acceptance tests - Part 1: Method A.IEC 953-2: 1990, Rules for steam turbine thermal acceptance tests - Part 2: Method B.ISO 2372: 1974, Mechanical vibration of machines with operating speeds from 10 to200 rev/s. Basis for specifying evaluation standards.ISO 7919-1: 1986, Mechanical vibration of non-reciprocating machines - Measurements onrotating shafts and evaluation - Part 1: General guidelines.3 Terms and definitionsFor the purposes of this part, the following terms and definitions apply:3.1 Turbine typesuperheat turbine: A turbine whose initial steam is significantly superheated.wet-steam turbine: A turbine whose initial steam is saturated or nearly so. (Also referredto as saturated-steam turbine.)reheat turbine: A turbine from which the steam is extracted part-way through theexpansion, reheated (one or more times) and readmitted to the turbine.SIST IEC 60045-1:2000
45-1 CD IEC- 11 -non-reheat turbine: A turbine in which the steam is not reheated.mixed-pressure turbine: A turbine provided with separate inlets for steam supplied at twoor more pressures.back-pressure turbine: A turbine whose exhaust heat will be used to provide processheat, and whose exhaust is not directly connected to a condenser. The exhaust pressurewill normally be above atmospheric pressure. (Also referred to as a non-condensingturbine.)condensing turbine: A turbine whose exhaust is directly connected to a condenser. Theexhaust pressure will normally be below atmospheric pressure.regenerative-cycle turbine: A turbine from which some of the steam is extracted part-waythrough the expansion in order to heat feed water.extraction turbine: A turbine in which some of the steam is extracted part-way through theexpansion in order to provide process steam. If the turbine includes means for controlling thepressure of the extracted steam, it is called a controlled (or automatic) extraction turbine.combined cycle: A combination of boiler, steam turbine and gas turbine, in which the gasturbine exhaust normally contributes to the heat input to the steam cycle.single-line combined-cycle: A combined-cycle plant in which the steam turbine and gasturbine both drive the same generator. It is not possible to segregate the separate outputsof the steam turbine and the gas turbine; and definitions, such as those of heat rate oroutput given later in this standard, no longer apply.NOTE - The terms in 3.1 may be combined to define the features of any particular unit.3.2 Methods of initial steam admissionfull-arc: All of the governing (control) valves supply steam uniformly to the admission inletbelt of the first stage.partial-arc: The inlet belt to the first stage is divided into discrete arcs of admission,steam being supplied separately to each arc through, normally, one governing valve;governing valves operate wholly or partially in sequence.3.3 Conditionsterminal conditions: The terminal conditions for a steam turbine or turbine-generator arethe conditions imposed on the plant at their terminating points of the contract. These maytypically comprise:-initial and hot reheat steam conditions;-cold reheat pressure;-final feed water temperature;-exhaust pressure;-power output;-speed;extraction requirements.SIST IEC 60045-1:2000
45-1 ©IEC- 13 -specified or rated terminal conditions: The conditions at the terminating points of theturbine or turbine-generator contract, with which specified output and/or heat rate shall bestated and/or guaranteed. Note that some nuclear steam generators supply steam at apressure which increases as load reduces, and the turbine design must allow for this.steam conditions: The conditions which define the thermodynamic state of steam,normally (static) pressure and temperature or dryness fraction (or quality). Steam pressureshould always be quoted in absolute units, not as gauge pressure.initial steam conditions: The steam conditions at inlet to the main stop valves.maximum steam conditions: The highest steam conditions at which the turbine is requi-red to operate continuously.NOTE - The highest steam conditions should not exceed those permitted by 6.2 a) and 6.2 b).induction steam conditions: The steam conditions of any additional steam entering theturbine at any pressure lower than the initial pressure.dual steam conditions: The combination of initial and induction steam conditions appro-priate to a mixed-pressure turbine.reheat steam conditions: The steam conditions at the inlet to the reheat stop valves.(Also referred to as hot reheat steam conditions.)cold reheat steam conditions: The steam conditions at the outlet of the turbine pre-ceding the reheater.extraction steam conditions: The steam conditions at the extraction connections of theturbine, of steam extracted for feed-heating or process purposes.exhaust conditions: The steam conditions at the exhaust connection from the turbine.NOTE - Use of the word "design" in respect of any steam conditions, power output, speed, etc., should beavoided in the contract documents. This terminology should only be applied to the values used in designcalculations such as the design pressure for a pressure vessel.3.4 Speedsrated speed: The speed at which the turbine is specified to operate at its rated output.maximum continuous speed: The upper limit of the operating speed of the turbine forcontinuous service.overspeed trip setting: The speed at which the overspeed trip is set to operate.SIST IEC 60045-1:2000
45-1 ©IEC- 15 -temporary speed rise: The transient increase in turbine speed following a load rejection,with the speed governing system in operation. The rated temporary speed rise applies ifthe rated output is rejected at the rated speed.maximum transient speed: Maximum rotational speed following rejection of maximumcapability by disconnecting the generator from the electric system (with auxiliary suppliespreviously disconnected) and the speed governing (control) system in operation.permanent speed rise: The final steady-state increase in turbine speed following a loadrejection, with normal governor control.maximum speed rise: The transient increase in turbine speed following a load rejection,with the speed governing system inoperative and the overspeed trip operative. The ratedmaximum speed rise applies if the rated output is rejected at rated speed.3.5 PowersNOTE - All these powers or outputs refer to operation of the turbine at rated terminal conditions (exceptwhere stated otherwise).power: The power supplied by the turbine or its driven machine. The definition shouldstate the position of measurement and any deductions for losses or auxiliary power. (Alsoreferred to as output or load.)net power at coupling: The power at the turbine coupling, less the power supplied toturbine auxiliaries if driven separately.generator output: Power at the generator terminals, after the deduction of any externalexcitation power.maximum continuous rating (MCR). (electrical generating set): The power outputassigned to the turbine-generator by the supplier, at which the unit may be operated for anunlimited time, not exceeding the specified life, at the specified terminal conditions. This isthe rating which will normally carry a guarantee of heat rate. The governing (control)valves will not necessarily be fully open. (Also referred to as rated output, rated power, orrated load.)maximum continuous rating (MCR) (other than electrical generator drives): Thepower output assigned to the turbine by the supplier, at which the unit may be operated foran unlimited time, not exceeding the specified life, at the specified terminal conditions.This is the rating which will normally carry a guarantee of heat rate. The governing(control) valves will not necessarily be fully open. The power shall be that delivered at theturbine coupling, or the coupling of the driven machine, as may be agreed. (Also referredto as rated output, rated power, or rated load.)maximum capability: The power output that the turbine can produce with the governing(control) valves fully open and at the specified terminal conditions. (Also referred to asvalves-wide-open capability.)maximum overload capability: The maximum power output that the unit can produce withthe governing (control) valves fully open, and with the terminal conditions specified for over-toad, e.g. with final feed water heater bypassed, or with increased initial steam pressure.SIST IEC 60045-1:2000
45-1 ©IEC- 17 -most economical continuous rating (ECR): The output at which the minimum heat rateor steam rate is achieved at the specified terminal conditions.net electrical power: The generator output (with external excitation power deducted)minus the electrical auxiliary power.electrical auxiliary power: Power taken by turbine and generator auxiliaries not driven bythe turbine. This will normally include all power used for control, lubrication, generatorcooling and sealing. It may also include additional auxiliaries such as motor-driven boilerfeed pumps. The purchaser and contractor should agree on which additional auxiliariesshould be included.3.6 Steam flow rate and steam rateinitial steam flow rate: The flow rate of steam at initial conditions to the turbine, includingany steam supplied to valve stems, glands, or balance pistons, and any steam su
...
NORME
CEI
INTERNATIONALE
IEC
60050-121
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
1998-08
Vocabulaire Electrotechnique International –
Partie 121 :
Electromagnétisme
International Electrotechnical Vocabulary –
Part 121:
Electromagnetism
Numéro de référence
Reference number
CEI/IEC 60050-121: 1998
NORME
CEI
INTERNATIONALE
IEC
60050-121
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
1998-08
Vocabulaire Electrotechnique International –
Partie 121 :
Electromagnétisme
International Electrotechnical Vocabulary –
Part 121:
Electromagnetism
IEC 1998 Droits de reproduction réservés Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in
utilisée sous quelque forme que ce soit et par aucun any form or by any means, electronic or mechanical,
procédé, électronique ou mécanique, y compris la photo- including photocopying and microfilm, without permission in
copie et les microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http: //www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
PRICE CODE XC
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue
– II – 60050-121 CEI:1998
SOMMAIRE
Pages
AVANT-PROPOS . IV
Section
121-11 Notions et grandeurs électromagnétiques. 1
121-12 Propriétés électromagnétiques des matériaux . 48
121-13 Conduction électrique . 97
LISTE DES SYMBOLES. 108
INDEX en français, anglais, arabe, allemand, espagnol, japonais, polonais, portugais
et suédois . 109
60050-121 IEC:1998 – III –
CONTENTS
Page
FOREWORD . V
Section
121-11 Electromagnetic concepts and quantities . 1
121-12 Electromagnetic properties of materials . 48
121-13 Electric conduction. 97
LIST OF SYMBOLS. 108
INDEX in French, English, Arabic, German, Spanish, Japanese, Polish, Portuguese
and Swedish . 109
– IV – 60050-121 CEI:1998
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
–––––––––––
VOCABULAIRE ÉLECTROTECHNIQUE INTERNATIONAL –
PARTIE 121 : ÉLECTROMAGNÉTISME
AVANT-PROPOS
1) La CEI (Commission Electrotechnique Internationale) est une organisation mondiale de normalisation composée
de l'ensemble des comités électrotechniques nationaux (Comités nationaux de la CEI). La CEI a pour objet de
favoriser la coopération internationale pour toutes les questions de normalisation dans les domaines de
l'électricité et de l'électronique. A cet effet, la CEI, entre autres activités, publie des Normes internationales.
Leur élaboration est confiée à des comités d'études, aux travaux desquels tout Comité national intéressé par le
sujet traité peut participer. Les organisations internationales, gouvernementales et non gouvernementales, en
liaison avec la CEI, participent également aux travaux. La CEI collabore étroitement avec l'Organisation
Internationale de Normalisation (ISO), selon des conditions fixées par accord entre les deux organisations.
2) Les décisions ou accords officiels de la CEI concernant les questions techniques représentent, dans la mesure
du possible un accord international sur les sujets étudiés, étant donné que les Comités nationaux intéressés
sont représentés dans chaque comité d’études.
3) Les documents produits se présentent sous la forme de recommandations internationales. Ils sont publiés
comme normes, rapports techniques ou guides et agréés comme tels par les Comités nationaux.
4) Dans le but d'encourager l'unification internationale, les Comités nationaux de la CEI s'engagent à appliquer de
façon transparente, dans toute la mesure possible, les Normes internationales de la CEI dans leurs normes
nationales et régionales. Toute divergence entre la norme de la CEI et la norme nationale ou régionale
correspondante doit être indiquée en termes clairs dans cette dernière.
5) La CEI n’a fixé aucune procédure concernant le marquage comme indication d’approbation et sa responsabilité
n’est pas engagée quand un matériel est déclaré conforme à l’une de ses normes.
6) L’attention est attirée sur le fait que certains des éléments de la présente Norme internationale peuvent faire
l’objet de droits de propriété intellectuelle ou de droits analogues. La CEI ne saurait être tenue pour
responsable de ne pas avoir identifié de tels droits de propriété et de ne pas avoir signalé leur existence.
La présente Norme internationale a été établie par le GT 100 du comité d'études 1 : Terminolgie.
Cette deuxième édition annule et remplace la première édition parue en 1978.
Le texte de cette norme est issu des documents suivants :
FDIS Rapport de vote
1/1653/FDIS 1/1663/RVD
Le rapport de vote indiqué dans le tableau ci-dessus donne toute information sur le vote ayant
abouti à l'approbation de cette norme.
Dans la présente partie du VEI les termes et définitions sont donnés en deux langues, le
français et l’anglais : de plus, les termes sont indiqués en arabe (ar), allemand (de), espagnol
(es), italien (it), japonais (ja), polonais (pl), portugais (pt) et suédois (sv).
60050-121 IEC:1998 – V –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
––––––––––
INTERNATIONAL ELECTROTECHNICAL VOCABULARY –
PART 121: ELECTROMAGNETISM
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, the IEC publishes International Standards. Their preparation is
entrusted to technical committees; any IEC National Committee interested in the subject dealt with may
participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization
for Standardization (ISO) in accordance with conditions determined by agreement between the two
organizations.
2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, an
international consensus of opinion on the relevant subjects since each technical committee has representation
from all interested National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical reports or guides and they are accepted by the National Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
This International Standard has been prepared by WG 100 of IEC technical committee 1: Terminology.
This second edition cancels and replaces the first edition published in 1978.
The text of this standard is based on the following documents:
FDIS Report on voting
1/1653/FDIS 1/1663/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
In this IEV part, the terms and definitions are written in two languages: French and English,
and furthermore, the terms in Arabic (ar), German (de), Spanish (es), Italian (it), Japanese (ja),
Polish (pl), Portuguese (pt) and Swedish (sv) respectively are indicated.
60050-121 IEC:1998 – 1 –
SECTION 121-11 : NOTIONS ET GRANDEURS ÉLECTROMAGNÉTIQUES
SECTION 121-11: ELECTROMAGNETIC CONCEPTS AND QUANTITIES
121-11-01 charge électrique, f
(symbole : Q)
quantité d’électricité (terme désuet)
grandeur scalaire additive, associée aux particules élémentaires et à la matière
macroscopique, qui caractérise leurs interactions électromagnétiques [111-13-43]
NOTE 1 – La charge électrique est soumise à une loi de conservation.
NOTE 2 – Les charges électriques obéissent à la loi de Coulomb.
electric charge
(symbol: Q)
quantity of electricity (obsolete)
additive scalar quantity, associated with elementary particles and with macroscopic
matter that characterizes their electromagnetic interactions [111-13-43]
NOTE 1 – Electric charge is subject to a conservation law.
NOTE 2 – Electric charges obey the Coulomb law.
ar ;
de elektrische Ladung
es carga eléctrica (símbolo: Q); cantidad de electricidad (en desuso)
it carica elettrica; quantità di elettricità (termine obsoleto)
ja
pl¥adunek elektryczny
pt carga eléctrica; quantidade de electricidade (obsoleto)
sv (elektrisk) laddning
– 2 – 60050-121 CEI:1998
121-11-02 loi de Coulomb, f
loi donnant la force entre deux particules chargées, exprimée par la relation
QQ r QQ
12 21 1 2
F =⋅k ⋅ = k⋅ ⋅e
12 21
2 2
r r r
où F t la force exercée sur la particule de charge électrique Q par la particule de
es
12 1
charge électrique Q , k une constante positive, r le vecteur issu de la particule de
2 21
charge électrique Q et aboutissant à la particule de charge électrique Q , r = r la
2 1 21
distance entre particules et e le vecteur unitaire r r
21 21
NOTE – Dans le vide la constante k est égale à 14πε où ε est la constante électrique.
0 0
Coulomb law
law giving the force between two charged particles, expressed by the relation
QQ r QQ
12 21 1 2
F =⋅k ⋅ = k⋅ ⋅e
12 21
2 2
r
r r
where F is the force exerted on the particle with electric charge Q by the particle
12 1
with electric charge Q k a positive constant, r the vector from the particle with
,
2 21
electric charge Q to the particle with electric charge Q, r = r the distance
2 1 21
between particles and e the unit vector r r
21 21
NOTE – In vacuum the constant k is equal to 14πε where ε is the electric constant.
0 0
ar
de Coulombsches Gesetz
es ley de Coulomb
it legge di Coulomb
ja
pl prawo Coulomba
pt lei de Coulomb
sv Coulombs lag
60050-121 IEC:1998 – 3 –
121-11-03 constante électrique, f
permittivité du vide, f
ε
(symbole : )
constante scalaire ε reliant les grandeurs électriques et les grandeurs mécaniques,
obtenue d'après la relation
QQ
F=⋅
4πε
r
fondée sur la loi de Coulomb dans le vide, où F est la norme de la force s'exerçant
entre deux particules de charges électriques Q et Q respectivement, placées à une
1 2
distance r l'une de l'autre [705-03-01 MOD]
NOTE 1 – Dans le vide, le produit de la constante électrique par le champ électrique E est
égal à l'induction électrique D :
DE=ε
NOTE 2 – La constante électrique est liée à la constante magnétique μ et à la vitesse de la
lumière dans le vide c par la relation
εμc =1
00 0
NOTE 3 – La valeur de la constante électrique est exactement égale à
-31-
=
m kg sA 8,854 187 817.pF m
4π × 299 792 458
electric constant
permittivity of vacuum
(symbol: ε )
scalar constant ε linking the electric quantities and the mechanical quantities,
obtained from the relation
QQ
F=⋅
4πε
r
based on the Coulomb law in vacuum, where F is the magnitude of the force
between two particles with electric charges Q and Q respectively, placed at a
1 2
distance r apart [705-03-01 MOD]
NOTE 1 – In vacuum, the product of the electric constant and the electric field strength E is
equal to the electric flux density D
:
DE=ε
NOTE 2 – The electric constant is related to the magnetic constant μ and to the speed of
light in vacuum c by the relation
εμc =1
00 0
NOTE 3 – The value of the electric constant is exactly equal to
-31- 42
mkg sA= 8,.854 187 817.pF m
4π × 299 792 458
ar ;
de elektrische Feldkonstante
es constante eléctrica (símbolo: εε ); permitividad del vacío
it costante elettrica; permettività del vuoto
ja
pl sta¥a elektryczna; przenikalno elektryczna próni
pt constante eléctrica; permitividade do vazio
sv permittiviteten för vakuum; elektriska konstanten
†
– 4 – 60050-121 CEI:1998
121-11-04 électriquement neutre
qualifie une particule, un corps ou un système matériel dont la charge électrique
totale est nulle
electrically neutral
qualifies a particle, a body or a physical system in which the total electric charge is
zero
ar
de elektrisch neutral
es eléctricamente neutro
it elettricamente neutro
ja
pl oboj¿tny elektrycznie
pt electricamente neutro
sv elektriskt neutral; oladdad
121-11-05 électriquement chargé
qualifie une particule, un corps ou un système matériel dont la charge électrique
totale est différente de zéro
electrically charged
qualifies a particle, a body or a physical system in which the total electric charge is
different from zero
ar
de elektrisch geladen
es eléctricamente cargado
it elettricamente caricato
ja
pl na¥adowany elektrycznie
pt electricame
...
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