{"id":398166,"date":"2024-12-21T04:24:10","date_gmt":"2024-12-21T04:24:10","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hysteresis-loop-for-core-lose-validation-in-ring-core-transformer-method\/"},"modified":"2024-12-21T04:24:10","modified_gmt":"2024-12-21T04:24:10","slug":"hysteresis-loop-for-core-lose-validation-in-ring-core-transformer-method","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/hysteresis-loop-for-core-lose-validation-in-ring-core-transformer-method\/","title":{"rendered":"Hysteresis Loop for Core lose validation in ring core ( transformer method)"},"content":{"rendered":"<p>&lt;p&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/21-12-2024-1734753412-mceclip0.png\" width=\"270\" height=\"250\" \/>&nbsp;&lt;br&gt;Hi,&lt;br&gt;I modeled the above ring core with primary and secondary windings, and I calculated the secondary induced voltage and excitation current to get the B and H values. The observed B and H both match with the FEA results.&nbsp;&nbsp;&lt;br&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/21-12-2024-1734753746-mceclip1.png\" width=\"389\" height=\"353\" \/> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/21-12-2024-1734753767-mceclip2.png\" width=\"380\" height=\"340\" \/>&lt;br&gt;However, when I plot the BH data in the same figure, it does not give me a hysteresis loop; it is just the BH characteristic, which is in the following figure because there is <strong>no phase shift between B and H<\/strong>.&nbsp;&lt;br&gt;<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/innovationspace.ansys.com\/forum\/wp-content\/uploads\/sites\/2\/2024\/12\/21-12-2024-1734753980-mceclip3.png\" width=\"360\" height=\"277\" \/>&lt;br&gt;Is this due to a setting in the core loss model? I use <strong>electrical steel<\/strong> as the core loss model for the <strong>HiperCo 50A stator grade, 1.5mm material (sys material)<\/strong>. Do I need to use the Hysteresis model to observe the BH loop (Hysteresis loop) when plotting both B Vs H?&nbsp;&lt;br&gt;For this material, the <strong>Hysteresis loss model<\/strong> is empty.&nbsp;&lt;br&gt;&lt;br&gt;My initial target is to observe the hysteresis loop to validate the transformer method used for the ring core&#8217;s core loss measurement.&nbsp;&lt;br&gt;&lt;br&gt;I would highly appreciate it if anyone could help me sort out this matter.&lt;br&gt;&lt;br&gt;Thank you..&lt;br&gt;&lt;br&gt;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-398166","topic","type-topic","status-publish","hentry","topic-tag-bh-curve-1","topic-tag-core-loss","topic-tag-hysteresis","topic-tag-hysteresis-loop","topic-tag-material-models","topic-tag-transformer","topic-tag-validation"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Hi,I modeled the above ring core with primary and secondary windings, and I calculated the secondary induced voltage and excitation current to get the B and H values. 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