Know-Howhttps://www.cmc.de/blog/52023-05-03T13:40:52ZIEC 60505 - Basic standard for estimating the ageing of electrical insulation systemshttps://www.cmc.de/blog/know-how-5/iec-60505-basic-standard-for-estimating-the-ageing-of-electrical-insulation-systems-226CMC Klebetechnik GmbHEquipment standards, for example, are based on their test and analysis methods. While IEC 60664 , as the basic standard for insulation coordination , is primarily concerned with the behavior of insula...2023-05-03T13:40:52ZSix standards of electrical engineeringhttps://www.cmc.de/blog/know-how-5/six-standards-of-electrical-engineering-224CMC Klebetechnik GmbHNumerous insulation materials are used to ensure that electrical equipment and devices can be operated reliably and safely. In the low-voltage range, plastics dominate. To be able to use them safely, ...2023-04-28T06:07:19ZBasics of bonding and adhesive propertieshttps://www.cmc.de/blog/know-how-5/basics-of-bonding-and-adhesive-properties-220CMC Klebetechnik GmbHGenerally known conditions for good bonding are: the surface of the substrate to be pasted must be free of grease and dust and dry. strong pressing during bonding increases the adhesive force. But thi...2023-02-13T10:49:26ZElectrochemical migrationhttps://www.cmc.de/blog/know-how-5/electrochemical-migration-219FriedericiFrom gluing Gluing is a very old joining technique. For a long time, nobody really knew why adhesives stick at all. It wasn't until around 130 years ago that chemists and physicists set out to track d...2023-01-18T09:28:14ZIsolation failure reasonshttps://www.cmc.de/blog/know-how-5/isolation-failure-reasons-143FriedericiDownload Introduction Temperature Voltage (stress, partial discharge) Frequency Behavior in the event of pollution (environment) Constructive measures Other possible causes Influence maximum stake hei...2022-10-20T10:36:36ZElectrochemical migrationhttps://www.cmc.de/blog/know-how-5/electrochemical-migration-208FriedericiThe ever-increasing requirements in terms of packing density, power density and price-value necessitate measures that represent a balance between requirements profile and property profile. This is par...2021-12-01T10:12:33ZUL 1446, Issue 7 - Everything New?https://www.cmc.de/blog/know-how-5/ul-1446-issue-7-everything-new-200FriedericiUsers of insulation systems such as transformer manufacturers or electric motor manufacturers are very familiar with this UL standard. Historically, the standard is very old and has not changed signif...2021-09-07T12:10:43ZCTI - Insulation materials with good resistance to creep path formationhttps://www.cmc.de/blog/know-how-5/cti-insulation-materials-with-good-resistance-to-creep-path-formation-185FriedericiInsulation materials with good resistance to creepage. Why the CTI value is becoming increasingly important in the electrical future of renewable energies. Electrical power is the product of voltage a...2021-06-02T06:30:24ZWater vapor permeability of various plastic filmshttps://www.cmc.de/blog/know-how-5/water-vapor-permeability-of-various-plastic-films-181CMC Klebetechnik GmbHThe permeability to water vapor depends in many cases on parameters: Film thickness Humidity difference Temperature However, some engineering plastics are more suitable as vapor barriers than others. ...2021-02-22T08:23:42ZImportance of tracking resistance of insulating materials for developershttps://www.cmc.de/blog/know-how-5/importance-of-tracking-resistance-of-insulating-materials-for-developers-172CMC Klebetechnik GmbHBereits vor der Hochvolttechnik im Rahmen der E-Mobility war die Beständigkeit von Isolierwerkstoffen gegenüber Kriechströmen in der Solarindustrie ein wichtiger Kennwert. Nun, mit Kreisspannungen bis...2020-09-29T09:06:37ZLoad types for insulation materialshttps://www.cmc.de/blog/know-how-5/load-types-for-insulation-materials-162FriedericiWie jedes Bauteil in Anwendung unterliegen auch elektrische Isolationen einer Alterung . Verschiedene Mechanismen beschleunigen diesen Vorgang und müssen je nach geforderter Betriebssicherheit berücks...2020-05-11T13:51:50Z850 V high voltagehttps://www.cmc.de/blog/know-how-5/850-v-high-voltage-159FriedericiDer Sprung von 400V Betriebsspannung auf 850V ist nicht einfach nur eine Verdopplung der Spannung – es entstehen neue, zusätzliche Randbedingungen, die zu beachten sind. Die Isolationskoordination der...2020-03-16T09:54:43ZShort-term tests for electrical insulation systems - UL1446https://www.cmc.de/blog/know-how-5/short-term-tests-for-electrical-insulation-systems-ul1446-189FriedericiEin Elektroisoliersystem (EIS) ist in weitgehend allen Bestandteilen ein recht starres Gebilde. Die ursprünglich einmal eingereichten und geprüften Kombinationen aus Draht, NIM und EIM (Unterscheidung...2020-03-04T14:32:10Z100W Grenze - IEC 62368-1https://www.cmc.de/blog/know-how-5/100w-grenze-iec-62368-1-125FriedericiSind Sie bereit für die 100W-Grenze? CMC hilft Ihnen bei der IEC 62368-1 - Zum 20. Dezember 2020 wird die weltweit harmonisierte Norm IEC(UL) 62368-1 die älteren Produktsicherheitsnormen IEC 60950 und...2020-01-27T07:35:50ZTemperature and adhesives - possibilities and limitshttps://www.cmc.de/blog/know-how-5/temperature-and-adhesives-possibilities-and-limits-183CMC Klebetechnik GmbHDepending on the industry and application, adhesive tapes are exposed to a wide variety of temperatures. The high-quality industrial adhesives used by CMC Klebetechnik are resistant to aging and can b...2020-01-23T13:18:55Z