Глоссарий



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Поиск в глоссариях:  

Глоссарий по кабелям и проводным сетям

anneal
  1. To subject to heat with subsequent cooling. when annealing copper; the act of softening the metal by means of heat to render it less brittle.

  2. Отжиг
anl;
antioxidant
  1. A substance which prevents or slows down oxygen decomposition of a material.

  2. A substance which makes oxygen less damaging, e.g. in the body or in foods or plastics  antioxidant vit...
antiozonant
    A substance which prevents or slows down material degradation due to ozone reaction.
полимеров;
armor
  1. Mechanical protection usually accomplished by a metallic layer of tape, braid or served wires. normally found only over the outer sheath.

  2. A protective layer, usually metal, wrapped ... пал. панцирь;
armored cable
  1. A cable provided with a wrapping of metal, usually steel wires, flat tapes, or interlocked tapes, primarily for the purpose of mechanical protection.

  2. Coaxial cable that can be direc... кабель бронированный;
b&s gage
    Brown and sharpe wire gage used for copper conductor (same as american wire gage).
breakdown (puncture)
    A disruptive discharge through insulation due to failure under electrostatic stress.
breakdown voltage
  1. The voltage at which the insulation between two conductors, or a conductor and ground will break down.

  2. Пробивное напряжение

  3. The voltage at which an electrical insulation ... bv;
building wire
    Wire used for light and power in permanent installations utilizing 600 volts or less. usually in an enclosure and which will not be exposed to outdoor environments.
bunch stranding
    A method of stranding where a single conductor is formed from any number of wires twisted together in the same direction, such that all strands have the same lay length, but no specific geometric ...
butt wrap
    Tape wrapped in an edge to edge manner with no overlapping between adjacent turns.
cable filler
    The material used in multiple conductor cables to occupy the spaces formed by the assembly of components, thus forming a core of the desired shape.
capacitance (capacity)
    That property of a system of conductors and dielectrics which permits the storage of electricity when potential difference exists between the conductors.
capacitive coupling
    Electrical interaction between two conductors caused by the capacitance between them.
capillary action
    The phenomenon of liquid rising in a small interstice due to surface tension.
charging current
  1. The current produced when a dc voltage is first applied to conductors of an unterminated cable. it is caused by the capacitive reactance of the cable, and decreases exponentially with time.
chlorinated polyethylene (cpe)
    A synthetic rubber jacketing compound.
chlorosulfonated polyethylene (cspe)
    A synthetic rubber jacketing compound manufactured by du pont under trade name of hypalon.
circular mil
  1. A unit of area equal to the area of a circle whose diameter is 1 mil (0.001 inch). used chiefly in specifying crosssectional areas of round conductors.

  2. Круговой мил (единица площади... cirm; cm;
cold flow
    Any permanent deformation due to pressure or mechanical force, without the aid of eat softening.
cold joint
  1. A soldered joint made with insufficient heat.

  2. A joint formed when a concrete surface hardens before the next batch of concrete is placed against it; characterized by a poor bond unl...
cold test
    Any test to determine the performance of cables during or after subjection to a specified low temperature for a specified time.
cold work
    The hardening and embrittlement of metal by repeated flexing action.
производить холодную;
color code
  1. A color system for circuit identification by use of solid colors tracers, braids surface printing, etc.

  2. A color system for circuit identification by use of solid colors, contrasting... cc;
compact round conductor
    A conductor constructed with a central core surrounded by one or more layers of helically laid wires and formed into final shape by rolling, drawing, or other means.
compact stranded conductor
    A unidirectional or conventional concentric conductor manufactured to a specified diameter, approximately 8 to 10% below the nominal diameter of a noncompact conductor of the same crosssectional a...
concentric lay conductor
    Conductor constructed with a central core surrounded by one or more layers of helically laid wires. several types are as follows:
concentric stranding
    A method of stranding, wherein a single conductor is formed from a central wire surrounded by one or more layers of helically layed wires. each layer is applied with an opposite direction of lay. ...
concentricity
  1. In a wire or cable, the measurement of the location of the center of the conductor with respect to the geometric center of the circular insulation.

  2. The measurement of how well-cente... concentricidad;
conductor core
    The center strand or member about which one of more layers of wires or members are laid helically to form a concentriclay or ropelay conductor.
continuous vulcanization
    Simultaneous extrusion and vulcanization of wire coating materials. it is abbreviated cv.
contrahelical
    A term meaning the application of two or more layers of spirally twisted, served, or wrapped materials where each successive layer is wrapped in the opposite direction to the preceding layer.
conventional concentric conductor
    Conductor constructed with a central core surrounded by one or more layers of helically laid wires. the direction of lay is reversed in successive layers and generally with an increase in length o...
corona resistance
    The time that insulation will withstand a specified level fieldintensified ionization that does not result in the immediate complete breakdown of the insulation. also called voltage endurance.
corona test
    A test to determine the ability of a cable to withstand the formation of corona under an increasing applied voltage, and to extinguish corona when a coronaproducing voltage is reduced.
crazing
  1. Minute lines appearing in or near the surface of materials, such as ceramics and plastics usually resulting as a response to environment. crazing cannot be felt by running a fingernail across ... craquelado;
creepage
    Electrical leakage on a solid dielectric surface.
crimp termination
    A wire termination that is applied by physical pressure of terminal to wire.
cross linking
    The establishment of chemical bonds between polymer molecule chains. it may be accomplished by heat, vulcanization, irradiation or the addition of a suitable chemical agent.
cross sectional area
    The area of the cut surface of an object cut at right angles to the length of the object.
cross sectional area of a conductor
    The sum of cross sectional areas of all the individual wires composing the conductor. it is generally expressed in circular mils.
crush resistance test
    A test to determine the ability of a cable to resist damage from radial compression, such as might be encountered in service.
currentcarrying capacity
    The maximum current an insulated conductor or cable can continuously carry without exceeding its temperature rating. it is also called ampacity.
cutthrough
    Resistance of solid material to penetration by an object under conditions of pressure, temperature, etc.
cutthrough resistance
    The ability of a given material to withstand penetration by a solid object of specified dimensions and weight, which is permitted to free fall onto this material from a specified height.
cv (continuous vulcanization)
    Simultaneous extrusion and vulcanization of wire coating materials.
decibel
  1. Unit to express differences of power level. it is used to express power loss in cables.

  2. Децибел d-b; d/b decimal-to-binary (conversion) десятично-двоичное преобразование

  3. ... db; децибел, дб; децибел;
derating factor
    A factor used to reduce a current carrying capacity of a wire when used in other environments from that for which the value was established.
dielectric breakdown
    The voltage at which a dielectric material is punctured; which is divisible by thickness to give dielectric strength.
dielectric constant
  1. That property (k) of an insulating material which is the ratio of the parallel capacitance (c) of a given configuration of electrodes with the material as the dielectric, to the capacitance of... диэлектрическая постоянная;
dielectric strength
  1. The voltage which an insulating material can withstand before breakdown occurs, usually expressed as a voltage gradient (such as volts per mil).

  2. A measure of the ability of an insul...
direction of lay
    The lateral direction, designated as lefthand or righthand, in which the wires of a member or units of a conductor run over the top of the member or conductor as they recede from an observer looki...
dissipation
  1. Unusable or lost energy, as the production of unused heat in a circuit.

  2. Рассеяние

  3. Рассеяние heat ~ рассеяние тепла
рассеяние; диссипация; рассеяние;; мощность рассеяния;
drain wire
    An uninsulated wire, usually placed directly beneath and in electrical contact with a grounded shield, which is used for making ground connections.
durometer
    A measurement used to denote the hardness of a substance (usually of thermosetting and thermoplastic materials).
eccentricity
  1. A measure of the lack of coincidence of longitudinal axes of a circular crosssectional wire and its surrounding circular crosssectional insulation. it is expressed as the percentage ratio of t... эксцентриситет;
elastic deformation
  1. A change in a substance whereby it reverts to its original dimensions on release of an applied stress.

  2. A change in shape without impairment of the elastic properties of a material.<...
elastomer
  1. A material that at room temperature returns rapidly to approximately its initial dimensions and shape after substantial deformation by a weak stress and release of the stress.

  2. A rub... эластомер;
embossing
  1. A means of marker identification by means of thermal indentation leaving raised lettering on the sheath material of cable.

  2. The process of raising letters or designs out of the typic... estampación en relieve;
environmental stress cracking resistance
    The ability of a material to resist crack formation and crack propagation when subjected to stress within a contaminating environment.
equilay conductor
  1. Conductor constructed with a central core surrounded by more than one layer of helically laid wires, all layers having a common length of lay, direction of lay being reversed successive layers...
ethylene propylene rubber
    A synthetic rubber insulation based upon ethylene propylene hydrocarbon.
extrusion
  1. The process of continuously forcing either a plastic or elastomer and a conductor or core through a die, thereby applying an insulation or jacket to the conductor or core.

  2. Выдавлива... выдавливание; прессование; экструзия; extr; выдавливанием; шприцевание; экструдирование; тех. экструзия; выдавливание; прессование; экструзия; выдавливание;; выдавленный профиль;
fatigue resistance
    The ability of a repeatedly deformed material to resist crystallization and accompanying failure.
fault current
  1. The maximum electrical current that will flow in a shortcircuited system prior to the actuation of any currentlimiting device. it is far in excess of normal current flow and is limited only by... ток повреждения;
fibrous filler
    A material used to fill interstices in cables made from fibers, such as jute, polypropylene, cotton, glass, etc.
filler
  1. Any material used in multiconductor cables to occupy interstices between insulated conductors or form a core into a desired shape (usually circular). also, any substance, often inert, added to... fill; flr; cargas; заполнитель; наполнитель;
flame resistance
  1. The ability of a burning material to extinguish its own flame, once its flameinitiating heat source is removed.

  2. The ability to withstand flame impingement or to provide protection f...
flame retardance
    Ability of a material to prevent the spread of combustion by a low rate of travel so the flame will not be conveyed.
flex life
    The number of bends or twists, of specified type, that a cable will withstand before failure.
flexing test
    Any test to determine the ability of a cable to withstand repeated bending and twisting.
ground potential
    Zero potential with respect to the ground or earth.
grounded neutral
    A circuit operates with grounded neutral when the neutral is metallically connected to ground and there is a provision for immediate removal of a faulted element.
grounding conductor
  1. A conductor used to connect equipment or the grounded circuit of a wiring system to a grounding electrode or electrodes; usually colored green.

  2. A conductor used to connect electric ...
harddrawn wire
    As applied to aluminum and copper, wire that has been cold drawn to final size so as to approach the maximum strength obtainable.
heat endurance
    The time of heat aging that a material can withstand before failing a specific physical or electrical test.
heat resistance
    Ability of a substance to maintain physical and chemical identity and chemical identity and electrical integrity under specified temperature conditions.