{"id":290667,"date":"2023-06-28T03:12:51","date_gmt":"2023-06-28T03:12:51","guid":{"rendered":"\/forum\/forums\/topic\/why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin\/"},"modified":"2023-06-28T03:12:51","modified_gmt":"2023-06-28T03:12:51","slug":"why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin\/","title":{"rendered":"Why there is a variation of no load back  emf while adopting hairpin?"},"content":{"rendered":"<ul>\n<li>I am using MOTORCAD for predesign activity for converting IPM configuration with random winding to hairpin<\/li>\n<li>Keeping the same input conditions, material, rotor and stator geometry(of course with parallel slots) , same number of turns per phase for both I am observing lower back emf with hairpin<\/li>\n<li>What could be the reason for this. Does MOTORCAD takes any special consideration with hairpin winding?<\/li>\n<\/ul>\n","protected":false},"template":"","class_list":["post-290667","topic","type-topic","status-closed","hentry","topic-tag-motor-cad-1"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am using MOTORCAD for predesign activity for converting IPM configuration with random winding to hairpinKeeping the same input conditions, material, rotor and stator geometry(of course with parallel slots) , same number of turns per phase for both I am observing lower back emf with hairpinWhat could be the reason for this. Does MOTORCAD takes\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Why there is a variation of no load back emf while adopting hairpin? | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I am using MOTORCAD for predesign activity for converting IPM configuration with random winding to hairpinKeeping the same input conditions, material, rotor and stator geometry(of course with parallel slots) , same number of turns per phase for both I am observing lower back emf with hairpinWhat could be the reason for this. 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Does MOTORCAD takes\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#motor-cad-1\\\/#listItem\",\"name\":\"#motor-cad\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#motor-cad-1\\\/#listItem\",\"position\":3,\"name\":\"#motor-cad\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#motor-cad-1\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin\\\/#listItem\",\"name\":\"Why there is a variation of no load back  emf while adopting hairpin?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin\\\/#listItem\",\"position\":4,\"name\":\"Why there is a variation of no load back  emf while adopting hairpin?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/#motor-cad-1\\\/#listItem\",\"name\":\"#motor-cad\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/why-there-is-a-variation-of-no-load-back-emf-while-adopting-hairpin\\\/\",\"name\":\"Why there is a variation of no load back emf while adopting hairpin? | Ansys Learning Forum\",\"description\":\"I am using MOTORCAD for predesign activity for converting IPM configuration with random winding to hairpinKeeping the same input conditions, material, rotor and stator geometry(of course with parallel slots) , same number of turns per phase for both I am observing lower back emf with hairpinWhat could be the reason for this. 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