{"id":14104,"date":"2023-09-18T00:07:52","date_gmt":"2023-09-18T00:07:52","guid":{"rendered":"https:\/\/staging.rayzeek.com\/?p=14104"},"modified":"2023-12-26T08:44:13","modified_gmt":"2023-12-26T08:44:13","slug":"what-is-harmonic","status":"publish","type":"post","link":"https:\/\/staging.rayzeek.com\/de\/glossary\/what-is-harmonic\/","title":{"rendered":"Was ist eine Oberschwingung"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-harmonic\">Was ist eine Oberschwingung<\/h2>\n\n\n<p class=\"wp-block-paragraph\">In der Beleuchtungsindustrie bezieht sich der Begriff \u201cOberschwingung\u201d (Harmonische) auf eine Komponente eines verzerrten oder nicht-sinusf\u00f6rmigen periodischen Signals, deren Frequenz ein nicht-nullwertiges ganzzahliges Vielfaches der Grundfrequenz des Signals ist. Oberschwingungen k\u00f6nnen bei Str\u00f6men oder Spannungen auftreten und werden typischerweise durch nichtlineare Lasten im elektrischen System verursacht.<\/p>\n<div class=\"insert_portfolio_outer_wrapper\"><h3>Lassen Sie sich von den Rayzeek Bewegungssensor-Portfolios inspirieren.<\/h3><p>Nicht das Richtige gefunden? Keine Sorge. Es gibt immer alternative Wege, Ihre Anforderungen zu erf\u00fcllen. Vielleicht kann eines unserer Portfolios helfen.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/product-category\/motion-sensors\"><p>PIR-Bewegungssensoren<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>Bewegungssensorschalter<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/occupancy-vacancy-sensors\"><p>Pr\u00e4senzmelder<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/products\/rz050\"><p>Klimaanlagen-Bewegungssensor<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/motion-sensor-light-strip\"><p>LED-Streifen mit Bewegungsmelder<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/dc-sensor-dimmer\"><p>Niedervolt-DC-Bewegungssensoren\/-Dimmer<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/wireless-motion-sensors\"><p>Kabellose Bewegungssensor-Kits<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Oberschwingungen k\u00f6nnen in der Beleuchtungsbranche zu verschiedenen Problemen f\u00fchren. Ein h\u00e4ufiges Problem ist Lampenflackern, das bei schnellen Schwankungen des Laststroms oder der Spannung auftreten kann, insbesondere bei Maschinen. Beispiele f\u00fcr Maschinen, die Lampenflackern verursachen k\u00f6nnen, sind gro\u00dfe Motoren beim Anlauf, Maschinen mit Direktumrichtern wie Walzwerksantriebe und Schachtf\u00f6rderanlagen sowie Maschinen, die statische Frequenzumrichter nutzen, wie Wechselstrommotoren und Lichtbogen\u00f6fen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ein weiteres durch Oberschwingungen verursachtes Problem ist die \u00dcberhitzung von Transformatoren und das Ausl\u00f6sen von Schutzschaltern. Dies geschieht, wenn nichtlineare Lasten Strom in abrupten Impulsen statt in Form einer gleichm\u00e4\u00dfigen Sinuswelle ziehen. Die durch diese nichtlinearen Lasten erzeugten Oberschwingungsstr\u00f6me k\u00f6nnen in andere Teile des Stromnetzes zur\u00fcckflie\u00dfen, was zur \u00dcberhitzung von Transformatoren und zum Ausl\u00f6sen von Schutzschaltern f\u00fchrt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zur Messung des Vorhandenseins von Oberschwingungen wird h\u00e4ufig der Gesamte Oberschwingungsgehalt (Total Harmonic Distortion, THD) herangezogen. Der THD ist die Summe aller Oberschwingungseffekte und wird in der Regel bis zum 50-fachen Vielfachen der Grundfrequenz (60 Hz in den USA) oder bei 3 kHz gemessen. Es wird empfohlen, dass die Oberschwingungseffekte der Spannung weniger als 8 Prozent relativ zur Grundfrequenz betragen; Werte \u00fcber 8 Prozent sollten weiter untersucht werden.<\/p>\n<div class=\"insert_inquiry_outer_wrapper\"><h3>Suchen Sie nach bewegungsgesteuerten Energiesparl\u00f6sungen?<\/h3><p>Kontaktieren Sie uns f\u00fcr komplette PIR-Bewegungssensoren, bewegungsgesteuerte Energiesparprodukte, Bewegungsmelderschalter sowie gewerbliche Pr\u00e4senz-\/Pr\u00e4senzabwesenheitsl\u00f6sungen.<\/p><div class = \"insert_inquiry_buttons\"><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email\"><div><a href = \"mailto:info@rayzeek.com\"><p>E-Mail senden<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email_contact\"><div><a href=\"https:\/\/www.rayzeek.com\/contact\"><p>Kontaktformular<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_chat chat_jump\"><div><a href=\"#\"><p>Online-Chat<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">H\u00e4ufig gestellte Fragen<\/h2>\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-causes-electrical-harmonics\">Was verursacht elektrische Oberschwingungen<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Oberschwingungen entstehen, wenn nichtlineare Lasten vorhanden sind, die Netzwechselspannung in Gleichspannung umwandeln. Diese Oberschwingungen gelangen durch das Vorhandensein nichtlinearer elektronischer Schaltger\u00e4te wie Frequenzumrichter (VFDs), Computer-Netzteile und energieeffiziente Beleuchtung in das elektrische System.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-does-led-lighting-cause-harmonics\">Verursacht LED-Beleuchtung Oberschwingungen<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Mit der Installation von LED-Beleuchtung besteht die M\u00f6glichkeit, dass Oberschwingungsverzerrungen durch die Last entstehen. Diese Verzerrung kann zu einer Belastung der Ger\u00e4te und des elektrischen Verteilungsnetzes f\u00fchren, was h\u00f6here Wartungskosten und Ausfallzeiten zur Folge hat. Es ist wichtig zu beachten, dass die Auswirkungen der Oberschwingungsbelastung manchmal erst bei einem vollst\u00e4ndigen Ger\u00e4teausfall sichtbar werden.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-how-does-harmonics-affect-power-quality\">Wie beeinflussen Oberschwingungen die Spannungsqualit\u00e4t<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Oberschwingungsstr\u00f6me wirken sich negativ auf die Spannungsqualit\u00e4t aus, indem sie zu einem Anstieg des Effektivstroms in elektrischen Systemen f\u00fchren. Dies f\u00fchrt wiederum zu einer Verschlechterung der Qualit\u00e4t der Versorgungsspannung. Dar\u00fcber hinaus belasten Oberschwingungen das elektrische Netz und k\u00f6nnen Betriebsmittel besch\u00e4digen. Sie k\u00f6nnen auch den normalen Betrieb von Ger\u00e4ten st\u00f6ren und zu h\u00f6heren Betriebskosten f\u00fchren.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-how-do-you-check-harmonics-in-a-power-system\">Wie pr\u00fcft man Oberschwingungen in einem Stromnetz<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Messen Sie den Gesamten Oberschwingungsgehalt (THD) mit einer Strommesszange, die Oberschwingungen anzeigen kann. Stellen Sie sicher, dass der THD f\u00fcr die Spannung 5% nicht \u00fcberschreitet, w\u00e4hrend der THD f\u00fcr den Strom erheblich h\u00f6her sein kann. Um einen besseren Einblick in die Gr\u00f6\u00dfenordnung und die Auswirkungen jeder einzelnen Oberschwingung zu erhalten, verwenden Sie einen Netzanalysator.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-does-harmonics-affect-voltage\">Beeinflussen Oberschwingungen die Spannung<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Oberschwingungsspannungen, die entstehen, wenn Oberschwingungsstr\u00f6me gegen die Impedanz der Oberschwingung flie\u00dfen, k\u00f6nnen zu erheblichen \u00dcberspannungen f\u00fchren. Es wurde beobachtet, dass diese \u00dcberspannungen Fehlfunktionen von Ger\u00e4ten verursachen, wobei Kondensatoren besonders anf\u00e4llig f\u00fcr diese Effekte sind.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Doesn\\&#8217;t find what you want? Don\\&#8217;t worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.PIR Motion SensorsMotion<\/p>","protected":false},"author":4,"featured_media":12868,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"lighting industry\", \"idxall\": 1, \"keywordtitlesimi\": 0.7885549306869507, \"keywordslugsimi\": 0.7885549306869507, \"paratitlesimi\": 0.6529279321432114, \"paraslugsimi\": 0.6529279321432114, \"slug\": \"tips-for-increasing-the-efficiency-of-commercial-lighting\", \"title\": \"Tips for Increasing the Efficiency of Commercial Lighting\", \"id\": 10327}, {\"keyword\": \"60 Hz\", \"idxall\": 0, \"keywordtitlesimi\": 0.7806369662284851, \"keywordslugsimi\": 0.7707458734512329, \"paratitlesimi\": 0.6719734072685242, \"paraslugsimi\": 0.6530662775039673, \"slug\": \"what-is-hertz-hz\", \"title\": \"What is Hertz (Hz)\", \"id\": 14300}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"harmonic","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-14104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Harmonic - Rayzeek<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Harmonic - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"Doesn&#039;t find what you want? 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