Стандарт МЭК 60050-195: проект, стадия CDV, разделы 195-03 - 195-06

Nov 06, 2019 09:40

Окончание, начало см. https://y-kharechko.livejournal.com/93799.html .

Раздел 195-03 «Электрический удар и пороговые токи» (SECTION 195-03 - ELECTRIC SHOCK AND THRESHOLD CURRENTS)
195-03-05
ventricular fibrillation
cardiac fibrillation, limited to the ventricles, leading to ineffective circulation and then to heart failure
Note 1 to entry: Ventricular fibrillation stops blood circulation.
[SOURCE: IEV 891-01-16]
195-03-07
perception-threshold-current
minimum electric current through the human body or livestock that causes any sensation for that human being or livestock
195-03-08
tetanization threshold current
for a stated frequency and wave form, minimum electric current for which an insuperable, involuntary, sustained muscular contraction is produced
[SOURCE: IEV 891-02-70, modified - In the definition "minimum value of electric current" replaced by "minimum electric current"]
195-03-09
let-go threshold current
maximum electric current through the human body at which that human being can release himself or herself
[SOURCE: IEV 891-02-69, modified]
195-03-10
threshold of ventricular fibrillation
ventricular fibrillation threshold current
minimum electric current that causes ventricular fibrillation
[SOURCE: IEV 891-02-72, modified - In the definition "minimum value of electric current" replaced by "minimum electric current"]
В определениях п. 195-03-07-195-03-10 словосочетание «значение электрического тока» («value of electric current») следует заменить термином «электрический ток» («electric current»).

Раздел 195-04 «Оперирование» (SECTION 195-04 - OPERATION)
195-04-05
neutral treatment
manner of electric connection of the neutral to a local earth
195-04-06
solidly earthed system
solidly grounded system, US
electrical system in which at least one live part is earthed directly
195-04-07
isolated system
electrical system in which all live parts isolated from the Earth
195-04-08
impedance earthed system
impedance grounded system, US
electrical system in which one live part is earthed through a impedance
195-04-09
resonant earthed system
resonant grounded system, US
electrical system in which at least one live part is earthed through a device having an inductance designed to compensate approximately for the line-to-earth capacitances in the case of a single line-to-earth fault
195-04-10
automatic disconnection of supply
interruption at least one live conductor effected by the automatic operation of a protective device in case of an earth fault
195-04-11
short-circuit
accidental or intentional conductive path between two or more conductive parts forcing the electric potential differences between these conductive parts to be equal to or close to zero
195-04-13 (этот пункт в документе 1/2407/CDV оказался пустым)
line-to-line short-circuit
short-circuit between two or more line conductors, combined or not with a line-to-earth short-circuit at the same place
195-04-14
earth fault
ground fault, US
occurrence of an accidental conductive path between a live part and the Earth or exposed-conductive-part, or extraneous-conductive-part, or protective conductor
195-04-15
conductor continuity fault
state of an item characterized by the accidental presence of a relatively high impedance between two parts of the same conductor
195-04-16
phase-to-neutral short-circuit
short-circuit between a phase conductor and a neutral conductor
New 195-04-17
pole-to-mid-part short-circuit
short-circuit between a pole conductor and a mid conductor
New 195-04-18
isolated or not effectively earthed system
electrical system in which all live parts isolated from the Earth, or one live part earthed through a high impedance

Раздел 195-05 «Напряжения и токи» (SECTION 195-05 - VOLTAGES AND CURRENTS)
195-05-02
phase-to-neutral voltage
voltage between a phase conductor and a neutral conductor at a given point of an AC electric circuit
195-05-04
neutral displacement voltage
voltage between the real or virtual neutral and reference earth
195-05-07
protective earthing-conductor voltage,
grounding-conductor voltage, US
voltage between the protective earthing conductor and reference earth
195-05-10
conventional touch voltage limit
maximum prospective touch voltage that is permitted to be maintained indefinitely in specified conditions of external influences
195-05-14
earth fault factor
ground fault factor, US
at a given location of a three-phase system, and for a given system configuration, ratio of the highest root-mean-square value of phase-to-earth power frequency voltage on a healthy phase conductor during an earth fault affecting one or more phase conductors at any point on the system, to the root-mean-square value of phase-to-earth power frequency voltage that would be obtained at the given location in the absence of any such earth fault
195-05-15
leakage current
electric current flowing to the earth, exposed-conductive-part, extraneous-conductive-part or protective conductor under normal conditions
195-05-18
short-circuit current
overcurrent in an electric circuit under short-circuit
195-05-21
touch current
electric current passing through a human body or through livestock when it touches one or more accessible parts of an electrical installation or electrical equipment under normal conditions
195-05-22
protective conductor current
electric current appearing in a protective conductor under normal conditions
Note to entry: The earth fault current flows in the protective conductor under earth fault
195-05-23
earth-fault current
ground fault current, US
current flowing to the earth, exposed-conductive-part, extraneous-conductive-part or protective conductor due to an insulation fault of a live part
195-05-24
extra-low voltage
ELV (abbreviation)
voltage not exceeding 50 V AC r.m.s. and 120 V DC
195-05-25
low voltage
LV (abbreviation)
voltage not exceeding 1000 V AC r.m.s. and 1500 V DC
195-05-26
high voltage
HV (abbreviation)
voltage exceeding 1000 V AC r.m.s. and 1500 V DC
New 195-05-27
phase-to-phase voltage
voltage between two phase conductors at a given point of an electric circuit
New 195-05-28
pole-to-pole voltage
voltage between two pole conductors at a given point of an electric circuit
New 195-05-29
pole-to-mid-part voltage
voltage between a pole conductor and a mid conductor at a given point of an electric circuit
New 195-05-30
phase-to-earth voltage
voltage between a phase conductor and a reference earth at a given point of an electric circuit
New 195-05-31
pole-to-earth voltage
voltage between a pole conductor and a reference earth at a given point of an electric circuit

Раздел 195-06 «Меры защиты и меры предосторожности для целей электрической безопасности» (PROTECTIVE MEASURES AND PROVISIONS FOR THE PURPOSE OF ELECTRICAL SAFETY)
195-06-04
indirect contact
electric contact of human beings or livestock with exposed-conductive-parts that have become live when basic insulation fails
195-06-06
basic insulation
insulation of live-parts which provides basic protection
195-06-11
extraneous-conductive-part
conductive part not forming part of the electrical installation and liable to introduce an electric potential, generally the electric potential of a local earth under normal conditions
195-06-19
protective separation,
separation of one electric circuit from another by means of:
− double insulation or
- basic insulation and electrically protective screen, connected to a protective equipotential bonding system or
− reinforced insulation
195-06-23
isolation
disconnection of an electrical equipment, a system, an installation or part of an installation from any source of the electric energy for purposes of electrical safety
195-06-25
protective provision
element of a protective measure
195-06-26
protective measure
measure intended for reduction of an electric shock risk
195-06-28 (следует указать полное название термина)
safety extra low voltage system
(SELV system)
195-06-29 (следует указать полное название термина)
protective extra low voltage system
(PELV system)
195-06-31
electrical separation
protective measure in which hazardous-live-parts are insulated from all other electric circuits and conductive parts, from local earth and from touch
195-06-35
class I equipment
electrical equipment in which a basic insulation is used as a protective provision for a basic protection, and a protective-equipotential-bonding is used as a protective provision for a fault protection
Note to entry: The protective-equipotential-bonding is electrical connection of an exposed-conductive-part of the class I electrical equipment to a protective conductor
195-06-36
class II equipment
electrical equipment in which a basic insulation is used as a protective provision for a basic protection, and a supplementary insulation is used as a protective provision for a fault protection, or in which the basic protection and the fault protection are provided by a reinforced insulation
195-06-37
class III equipment
electrical equipment in which a limitation of voltage to extra-low voltage values is used as a protective provision for a basic protection, and a fault protection is not provided
New 195-06-38
class 0 equipment
electrical equipment in which a basic insulation is used as a protective provision for a basic protection, and the fault protection is not provided
New 195-06-39
residual current device
RCD (abbreviation)
mechanical switching device intended to make, carry and break electric currents under normal conditions and automatically interrupt an electric circuit when the residual current attains a given value under specified conditions
NOTE A residual current device can be a combination of various separate elements intended to detect and evaluate the residual current and to make and break electric current.
[SOURCE: IEV 442-05-02, modified]

Заключение. Предлагаемые изменения позволяют исправить ошибки и устранить недостатки, имеющиеся в терминологии стандарта МЭК 60050-195, сделать его современным терминологическим стандартом.

электроустановка, заземление, МЭК 60050-195, электрооборудование, защита от поражения электрическим током

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