{"id":1447,"date":"2025-04-14T12:11:20","date_gmt":"2025-04-14T16:11:20","guid":{"rendered":"http:\/\/localhost:10003\/dsa-tools-module\/harmonics-harmonics\/"},"modified":"2025-08-24T14:41:50","modified_gmt":"2025-08-24T18:41:50","slug":"harmonics-harmonics","status":"publish","type":"dsa-tools-module","link":"https:\/\/powertechlabs.com\/dsa-tools-module\/harmonics-harmonics\/","title":{"rendered":"Harmonics"},"content":{"rendered":"\n\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/powertechlabs.com\/wp-content\/uploads\/2025\/04\/PSAT-Harmonics-1.png\" alt=\"PSAT-Harmonics\" itemprop=\"image\" title=\"PSAT-Harmonics\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\n\t<h3>Harmonic Analysis<\/h3>\n<p>The Harmonics module is an add-on module to PSAT that enhances the software to perform power quality analysis of a power system.<\/p>\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/powertechlabs.com\/wp-content\/uploads\/2025\/04\/image_2025-04-15_184110263.png\" alt=\"image_2025-04-15_184110263\" itemprop=\"image\" title=\"image_2025-04-15_184110263\" onerror=\"this.style.display='none'\" loading=\"lazy\" \/>\n\t<p>The Harmonics module uses various industry standard indices to analyze harmonic distortion due to particular equipment in a system:<\/p>\n<ul>\n<li>Toral Harmonic Distortion (THD)<\/li>\n<li>Total Power-Factor (TPF)<\/li>\n<li>Individual Harmonic Distortion (IHD)<\/li>\n<\/ul>\n<p>Frequency Scan Analysis is used to observe any harmonic resonance at a bus or in the transfer impedance between two buses.<\/p>\n<p>Bar charts and plots are utilized to visually compare harmonic components and impedances at various frequencies. This module complies with the IEEE 519-1992 standard.<\/p>\n\t\t\t\tApplication Scope\n\t\t\t\t<p>The principal applications of the Harmonics module are to determine the impact of harmonics sources on a power system, including:<\/p>\n<ul>\n<li>Identifying potential risks due to particular harmonic current and voltage.<\/li>\n<li>Verifying whether harmonic distortion levels comply with IEEE 519-1992 standard.<\/li>\n<li>Identifying resonance frequencies and locations of dangerous resonance paths.<\/li>\n<li>Facilitating design of harmonic mitigation measures such as harmonic filters.<\/li>\n<\/ul>\n\t\t\t\tApproach\n\t\t\t\t<p>The Harmonics module uses two methods:<\/p>\n<ul>\n<li><strong>Harmonic Powerflow.<\/strong> This method is applied for:\n<ul>\n<li>network harmonic distortion assessment (THD, TPF, IHD).<\/li>\n<li>harmonic limit compliance verification.<\/li>\n<li>equipment rating selection.<\/li>\n<li>equipment de-rating calculation.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Harmonic Frequency Scan.<\/strong> This method is mainly for:\u00a0\n<ul>\n<li>identification of resonance frequencies.<\/li>\n<li>determination of network components that contribute to resonances.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\t\t\t\tSample Results\n\t\t\t\t<p>The plots here shows the frequency scan results from the Harmonics module for the example included in the IEEE 519-1992 standard.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/powertechlabs.com\/wp-content\/uploads\/2025\/04\/image_2025-04-15_183642116-300x182.png\" alt=\"\" width=\"300\" height=\"182\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/powertechlabs.com\/wp-content\/uploads\/2025\/04\/image_2025-04-15_185132713-300x199.png\" alt=\"\" width=\"300\" height=\"199\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/powertechlabs.com\/wp-content\/uploads\/2025\/04\/image_2025-04-15_182602783-300x223.png\" alt=\"\" width=\"300\" height=\"223\" \/><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/powertechlabs.com\/wp-content\/uploads\/2025\/04\/image_2025-04-15_184204139-300x250.png\" alt=\"\" width=\"300\" height=\"250\" \/><\/p>\n\t\t\t\tSpecifications and Requirements\n\t\t\t\t<ul>\n<li>Runs on MS Windows 7\/10\/server 2012 R2\/server 2016<\/li>\n<li>Requires PSAT to run<\/li>\n<\/ul>\n\n","protected":false},"featured_media":1701,"template":"","application-type":[16],"audience":[26,17],"compliance-standard":[27],"module-type":[24],"class_list":["post-1447","dsa-tools-module","type-dsa-tools-module","status-publish","has-post-thumbnail","hentry","application-type-offline","audience-for-power-quality-engineers","audience-for-utilities","compliance-standard-ieee-519-1992","module-type-add-on"],"acf":[],"_links":{"self":[{"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/dsa-tools-module\/1447","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/dsa-tools-module"}],"about":[{"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/types\/dsa-tools-module"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/media\/1701"}],"wp:attachment":[{"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/media?parent=1447"}],"wp:term":[{"taxonomy":"application-type","embeddable":true,"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/application-type?post=1447"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/audience?post=1447"},{"taxonomy":"compliance-standard","embeddable":true,"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/compliance-standard?post=1447"},{"taxonomy":"module-type","embeddable":true,"href":"https:\/\/powertechlabs.com\/wp-json\/wp\/v2\/module-type?post=1447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}