{"id":989313,"date":"2026-02-15T20:07:31","date_gmt":"2026-02-15T17:07:31","guid":{"rendered":"https:\/\/www.egesmuhendislik.com.tr\/?p=989313"},"modified":"2026-08-31T09:22:41","modified_gmt":"2026-08-31T06:22:41","slug":"sekonder-koruma-nedir-yg-ve-og-sistemlerinde-guvenlik","status":"publish","type":"post","link":"https:\/\/www.egesmuhendislik.com.tr\/de\/was-ist-sekundarschutz-sicherheit-in-hoch-und-mittelspannungsnetzen\/","title":{"rendered":"Was ist Sekund\u00e4rschutz? Sicherheit in Hoch- und Mittelspannungsnetzen"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">\n<p class=\"wp-block-paragraph\">Um die Kontinuit\u00e4t in Stromnetzen zu gew\u00e4hrleisten und teure Anlagen vor Ausf\u00e4llen zu sch\u00fctzen, gibt es zwei grundlegende Schutzstufen: den Prim\u00e4r- und den Sekund\u00e4rschutz. Insbesondere in Hochspannungs- (HS) und Mittelspannungsanlagen (MS) gilt als das \u201eGehirn\u201c des Systems <strong>Was ist sekund\u00e4rer Schutz?<\/strong> Auf diese Frage werden wir in diesem Artikel eingehen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Was ist \u201esekund\u00e4r\u201c? Was bedeutet \u201esekund\u00e4r\u201c?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Beginnen wir mit den Fachbegriffen: <strong>Was ist \u201esekund\u00e4r\u201c?<\/strong>? W\u00f6rtlich bedeutet es \u201esekund\u00e4r\u201c oder \u201ehilfsweise\u201c. In elektrischen Systemen <strong>Was bedeutet \u201esekund\u00e4r\u201c?<\/strong> Die Antwort auf diese Frage lautet: Es handelt sich um einen vom Hauptstromkreis isolierten Niederspannungskreis, der zu Mess- und Steuerungszwecken dient.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Was ist Prim\u00e4rschutz?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Um das System zu verstehen, muss man zun\u00e4chst die Grundz\u00fcge kennen. <strong>Was ist Prim\u00e4rschutz?<\/strong>? Es handelt sich um Elemente, die den Hauptstromkreis direkt physisch unterbrechen. Beispielsweise sorgen eine Sicherung oder ein Hauptschalter f\u00fcr den Prim\u00e4rschutz, indem sie den Stromkreis direkt unterbrechen, sobald der durch sie flie\u00dfende Strom bestimmte Grenzwerte \u00fcberschreitet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Was versteht man unter Sekund\u00e4rschutz in YG- und OG-Systemen?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bei h\u00f6heren Spannungswerten ist es sowohl gef\u00e4hrlich als auch kostspielig, den Strom in der Hauptleitung direkt mit einem Ger\u00e4t zu messen oder zu unterbrechen. Genau hier <strong>Was ist sekund\u00e4rer Schutz?<\/strong> Da stellt sich die Frage:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die Daten der Hochspannungsleitung (Strom und Spannung) werden \u00fcber Messwandler (Strom- und Spannungswandler) heruntertransformiert und an den Sekund\u00e4rkreis weitergeleitet. Die Sekund\u00e4rschutzrelais \u00fcberwachen diese reduzierten Werte kontinuierlich. Wird ein Fehler (Kurzschluss, \u00dcberstrom usw.) erkannt, sendet das Relais einen \u201e\u00d6ffnungsbefehl\u201c und l\u00f6st damit den riesigen Trennschalter (Disconnector\/Breaker) in der Hauptleitung aus.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Was ist YG? Was bedeutet YG?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ein Begriff, der in der Fachsprache h\u00e4ufig vorkommt <strong>Was ist YG?<\/strong>? <strong>YG<\/strong>, ist die Abk\u00fcrzung f\u00fcr \u201eHochspannung\u201c. Gem\u00e4\u00df der Verordnung \u00fcber Starkstromanlagen fallen Spannungen \u00fcber 1000 Volt (1 kV) in diese Klasse. Nun, <strong>Was bedeutet \u201eyg\u201c?<\/strong> Und warum ist ein besonderer Schutz erforderlich? Hochspannungsleitungen (z. B. 154 kV oder 380 kV) transportieren enorme Energiemengen; ein Fehler hier kann innerhalb von Sekunden zu einer gewaltigen Explosion oder einem Transformatorbrand f\u00fchren. Deshalb ist der Sekund\u00e4rschutz bei diesen Leitungen keine Option, sondern eine Notwendigkeit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vorteile des sekund\u00e4ren Schutzes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sicherheit:<\/strong> Die Bediener k\u00f6nnen das System \u00fcber Niederspannungs-Sekund\u00e4rschaltanlagen steuern, ohne die Hochspannungsleitung zu ber\u00fchren.<\/li>\n\n\n\n<li><strong>Genauigkeit:<\/strong> Sekund\u00e4rrelais k\u00f6nnen selbst Fehler\u00e4nderungen im Mikrosekundenbereich erkennen.<\/li>\n\n\n\n<li><strong>Selektivit\u00e4t:<\/strong> Wenn der Fehler nur in dem betreffenden Bereich auftritt, kann durch das Ausl\u00f6sen des dortigen Leistungsschalters verhindert werden, dass die gesamte Anlage stromlos wird.<\/li>\n<\/ul>\n<\/div><!-- .vgblk-rw-wrapper -->","protected":false},"excerpt":{"rendered":"<p>Um die Kontinuit\u00e4t in Stromnetzen zu gew\u00e4hrleisten und teure Anlagen vor Ausf\u00e4llen zu sch\u00fctzen, gibt es zwei grundlegende Schutzstufen: den Prim\u00e4r- und den Sekund\u00e4rschutz. Insbesondere in Hochspannungs- (HS) und Mittelspannungsanlagen (MS) werden wir in diesem Artikel die Frage beantworten, was der Sekund\u00e4rschutz ist, der als das \u201eGehirn\u201c des Systems gilt. Was ist der Sekund\u00e4rschutz? Was bedeutet \u201eSekund\u00e4r\u201c? Beginnen wir mit den Fachbegriffen: Was ist der Sekund\u00e4rschutz? W\u00f6rtlich bedeutet das \u201esekund\u00e4r\u201c oder \u201ehilfend\u201c\u2026<\/p>","protected":false},"author":1,"featured_media":989314,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[201,199,198,197,200,202],"class_list":["post-989313","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-makaleler","tag-primer-koruma-nedir","tag-sekonder-koruma-nedir","tag-sekonder-ne-demek","tag-sekonder-nedir","tag-yg-ne-demek","tag-yg-nedir"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sekonder Koruma Nedir? 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