IEC 60851-1 pdf – Winding wires – Test methods – Part 1: General

IEC 60851-1 pdf – Winding wires – Test methods – Part 1: General

IEC 60851-1 pdf – Winding wires – Test methods – Part 1: General
1 Scope
This part of IEC 60851 specifies the general notes on methods of test for winding wires. It also gives the definitions for terms used in IEC 60851 (all parts). A survey of the contents of IEC 60851-2 to IEC 60851-6 is given in Annex A.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60317 (all parts), Specifications for particular types of winding wires
IEC 60851-2:2009 1 , Winding wires – Test methods – Part 2: Determination of dimensions
IEC 60851-2:2009/AMD1:2015
IEC 60851-2:2009/AMD2:2019
IEC 60851-3:2009 2 , Winding wires – Test methods – Part 3: Mechanical properties
IEC 60851-3:2009/AMD1:2013
IEC 60851-3:2009/AMD2:2019
IEC 60851-4:2016, Winding wires – Test methods – Part 4: Chemical properties
IEC 60851-5:2008 3 , Winding wires – Test methods – Part 5: Electrical properties
IEC 60851-5:2008/AMD1:2011
IEC 60851-5:2008/AMD2:2019
IEC 60851-6:2012, Winding wires – Test methods – Part 6: Thermal properties 3 Terms, definitions and general notes on methods of test
Terms and definitions
3.1 For the purposes of this document, the following terms and definitions apply.
ISO and lEC maintain terminological databases for use in standardization at the followingaddresses:
– IEC Electropedia: available at http://www.electropedia.org’
– Iso Online browsing platform: available at http:/iwww.iso.org/obp
bonding layer
material which is deposited on an enamelled wire and which has the specific function of bondingwires together
bunched wire
winding wire consisting of a quantity of small diameter insulated wires laid-up together withoutpredetermined geometrical position and with or without additional covering
thermal performance of a wire expressed by the temperature index and the heat shocktemperature
material which is deposited on a conductor or wire by suitable means and then dried andorcured
bare metal after removal of the insulation
material which is wound, wrapped or braided around a bare or insulated conductor
opening in the insulation which exposes the conductor to view at the stated magnification
process of converting a reactive compound into a stable,usable condition by polymerization(polycondensation and polyaddition) andior crosslinking
[SOURCE: IEC 60050-212:2010,212-13-07,modified – At the beginning of the definition,convert a reactive compound” has been replaced by “process of converting a reactivecompound” to define the term as a process.]
dual coating
insulation composed of two different materials, an underlying and a superimposed coating
enamelled wire
wire coated with an insulation of cured resin
range of increase in dimension of the wire due to insulation
coating or covering of the conductor with the specific function of withstanding voltage
nominal conductor dimension
designation of the conductor size in accordance with the specification sheet in the
lEC 60317
sole coating
insulation composed of one material
winding wire
wire used for winding a coil to provide a magnetic field
conductor coated or covered with an insulation
normal vision
20/20 vision, with corrective lenses, if necessary
zero-defect wire
winding wire that exhibits no electrical discontinuities when tested under specific conditions
3.2General notes on methods of test
Unless otherwise specified, all tests shall be carried out at a temperature from 15 °C to 40 °Cand a relative humidity of 25 % to 75 %.Before measurements are made, the specimens shallbe preconditioned under these atmospheric conditions for a time sufficient to allow the wire toreach stability.
The wire to be tested shall be removed from the packaging in such a way that the wire will not
be subjected to tension or to unnecessary bends.Before each test,sufficient wire shall bediscarded to ensure that any damaged wire is not included in the test specimens.
Normally,all mandatory requirements for a method of test are given in the description,anddiagrams are intended only to illustrate one possible arrangement for conducting the test.
In case of inconsistencies between the IEC 60317 specification sheet and this document, thespecification sheet shall prevail.
When the test is restricted only to certain types of winding wires, this is specified with the test.
Those tests of IEC 60851-2,IEC 60851-3,IEC 60851-4,IEC 60851-5 and IEC 60851-6 whichin Annex A are marked with an asterisk are periodic conformance tests.These tests are carried
out at a frequency agreed upon request of the end user.

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