{"id":13223,"date":"2021-04-27T15:42:58","date_gmt":"2021-04-27T12:42:58","guid":{"rendered":"https:\/\/tense.com.tr\/?p=13223"},"modified":"2025-01-05T01:32:20","modified_gmt":"2025-01-04T22:32:20","slug":"what-is-current-harmonic-what-are-the-effects-on-the-grid","status":"publish","type":"post","link":"https:\/\/tense.com.tr\/en\/what-is-current-harmonic-what-are-the-effects-on-the-grid\/","title":{"rendered":"What Is Current Harmonic? What Are the Effects on The Grid?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">The current harmonic is the electric voltage and current that can cause power quality issues on an electric power system. These harmonics can be controlled by using an energy analyzer also known as the grid analyzer.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Since the equipment and machinery might experience failure under high harmonic voltage and current levels, the current harmonic became an increasing worry for automation equipment users and engineers. Although the harmonics don\u2019t make factory or office operations impossible, the level of impact depends on the durability of the power systems and the failure sensitivity of the equipment against the current harmonic.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The current harmonic causes various temporary or permanent problems including heat and efficiency loss in engines. The most intense symptoms caused by the harmonics are due to harmonics for fundamental 60Hz sinusoidal wave distortion commonly found in facilities. This sinusoidal wave distortion might lead to incorrect electronic equipment operation, false alarms, data losses and unexplained problems.<\/span><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/tense.com.tr\/wp-content\/uploads\/2021\/10\/Akim_Harmonigi-scaled-e1635424904690.jpg\" alt=\"\" width=\"900\" height=\"600\" class=\"wp-image-13174 size-full\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 counter-hierarchy counter-decimal\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Post Content<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/tense.com.tr\/en\/what-is-current-harmonic-what-are-the-effects-on-the-grid\/#Why_Does_Current_Harmonic_Occur\" title=\"Why Does Current Harmonic Occur?\">Why Does Current Harmonic Occur?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/tense.com.tr\/en\/what-is-current-harmonic-what-are-the-effects-on-the-grid\/#How_Can_You_Diagnose_Current_Harmonic\" title=\"How Can You Diagnose Current Harmonic?\">How Can You Diagnose Current Harmonic?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/tense.com.tr\/en\/what-is-current-harmonic-what-are-the-effects-on-the-grid\/#Possible_Problems_Due_to_Current_Harmonic\" title=\"Possible Problems Due to Current Harmonic\">Possible Problems Due to Current Harmonic<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/tense.com.tr\/en\/what-is-current-harmonic-what-are-the-effects-on-the-grid\/#Transformers_and_Related_Increased_Losses\" title=\"Transformers and Related Increased Losses\">Transformers and Related Increased Losses<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Why_Does_Current_Harmonic_Occur\"><\/span>Why Does Current Harmonic Occur?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The current harmonic is caused by the electronic equipment with non-linear loads or draws instant and short-pulsed current. The short pulses cause distorted waveforms and this leads the harmonic current to flow back to the other sections of the power system.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The harmonics are commonly seen when multiple equipment such as personal computers, laser printers, fax machines, photocopy machines, medical test equipment, florescent fixtures, uninterrupted power sources (UPS) and variable speed drivers are used on the same electrical system.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The current harmonic especially decreases the power quality, level and efficiency for a commercial business or an industrial facility. Generally, most businesses can operate with non-linear loads corresponding to 15% of the total electric system capacity. If the non-linear loads exceed 15%, there might be some invisible issues.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Can_You_Diagnose_Current_Harmonic\"><\/span>How Can You Diagnose Current Harmonic?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The most effective tool is to make a detailed power quality analysis to identify the voltage and current waveforms for the related frequency spectrums with an energy analyzer. A harmonic analyzer will be beneficial to determine whether there is any harmonics even if you don\u2019t experience clear symptoms.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A grid analyzer is used to make a detailed analysis of the suspected source. By using this data, a value between 0% and 100% is calculated to identify the incorrect waveform without the adequate harmonic function level. This value shows the existence of the current harmonic.\u00a0<\/span><\/p>\n<p><a href=\"https:\/\/tense.com.tr\/tr\/urunler\/haberlesmeli-4x4-hane-led-ekranli-enerji-analizoru-tpm-01-es\/\"><span style=\"font-weight: 400;\">TPM-01ESH<\/span><\/a><span style=\"font-weight: 400;\"> series communication energy analyzer helps the technicians and engineers to verify the current harmonic from AC signals. This information can be used for preventing or decreasing equipment downtime and repair costs.\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/tense.com.tr\/wp-content\/uploads\/2021\/10\/Akim_Harmonigi_2-scaled-e1635424954364.jpg\" alt=\"\" width=\"900\" height=\"600\" class=\"wp-image-13176 size-full\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Possible_Problems_Due_to_Current_Harmonic\"><\/span>Possible Problems Due to Current Harmonic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The current harmonic especially causes various problems in terms of time. Idle time is often a cost for businesses. In addition to time, the equipment problems should also be considered for the current harmonic.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0When it comes to the current harmonic, there are also other problems such as increased electricity consumption, power and energy loss (due to the Joule effect and magnets), the necessities to expand the facilities and halting the manufacturing process. The technical losses due to the current harmonics can be listed as follows:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Capacity loss on the energy distribution line\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Transformer overload\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Voltage drops\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Transformer value loss\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Line and machinery losses due to Joule effect\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Magnetic losses in electric machines<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The current harmonics which cause significant problems in terms of both cost and time must be considered by businesses where electrical current plays a key role in operations.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Transformers_and_Related_Increased_Losses\"><\/span>Transformers and Related Increased Losses<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The current loss for transformers that supply the loads generating current harmonics is the dominant loss component in the transformers. This current loss proportionally increases with the harmonic current and the square of the corresponding frequency. The total transformer loss for a fully-loaded transformer that supplies a non-linear load is two times higher than an equivalent linear load.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This causes overheating in the transformer, damages the transformer insulation material and leads to transformer failure. You can check our entire energy analyzer models from <\/span><a href=\"https:\/\/tense.com.tr\/tr\/urun_kategorileri\/enerji-analizoru\/\"><span style=\"font-weight: 400;\">here<\/span><\/a><span style=\"font-weight: 400;\"> to monitor any possible problems due to the current harmonic before happening.\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The current harmonic is the electric voltage and current that can cause power quality issues on an electric power system. These harmonics can be controlled by using an energy analyzer also known as the grid analyzer. Since the equipment and machinery might experience failure under high harmonic voltage and current levels, the current harmonic became [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":13174,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[196,213],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Is Current Harmonic? 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Since the equipment and machinery might experience failure under high harmonic voltage and current levels, the current harmonic became [&hellip;]","og_url":"https:\/\/tense.com.tr\/en\/what-is-current-harmonic-what-are-the-effects-on-the-grid\/","og_site_name":"Tense Electronics","article_published_time":"2021-04-27T12:42:58+00:00","article_modified_time":"2025-01-04T22:32:20+00:00","og_image":[{"width":900,"height":600,"url":"https:\/\/tense.com.tr\/wp-content\/uploads\/2021\/10\/Akim_Harmonigi-scaled-e1635424904690.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Written by":"Tense Electronics","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Organization","@id":"https:\/\/tense.com.tr\/en\/#organization","name":"Tense Electronics","url":"https:\/\/tense.com.tr\/en\/","sameAs":[],"logo":{"@type":"ImageObject","@id":"https:\/\/tense.com.tr\/en\/#logo","inLanguage":"en-US","url":"https:\/\/tense.com.tr\/wp-content\/uploads\/2021\/02\/tense-logo@2x.png","contentUrl":"https:\/\/tense.com.tr\/wp-content\/uploads\/2021\/02\/tense-logo@2x.png","width":2708,"height":833,"caption":"Tense Electronics"},"image":{"@id":"https:\/\/tense.com.tr\/en\/#logo"}},{"@type":"WebSite","@id":"https:\/\/tense.com.tr\/en\/#website","url":"https:\/\/tense.com.tr\/en\/","name":"Tense Electronics","description":"End\u00fcstriyel elektronik ve otomasyon cihazlar\u0131nda uzman kadroyla yerli \u00fcretim. 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