{"id":3375,"date":"2025-11-18T07:59:28","date_gmt":"2025-11-18T07:59:28","guid":{"rendered":"https:\/\/nbaem.com\/?p=3375"},"modified":"2025-11-18T03:46:16","modified_gmt":"2025-11-18T03:46:16","slug":"difference-between-surface-permanent-magnet-and-interior-permanent-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/difference-between-surface-permanent-magnet-and-interior-permanent-magnet\/","title":{"rendered":"Pevn\u00fd magnet na povrchu vs. Vnit\u0159n\u00ed pevn\u00fd magnet"},"content":{"rendered":"<p>Pokud navrhujete nebo vyb\u00edr\u00e1te <a href=\"https:\/\/en.wikipedia.org\/wiki\/Permanent_magnet_motor\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>motor s pevn\u00fdm magnetem<\/strong><\/span><\/a>, pochopen\u00ed rozd\u00edlu mezi <strong>Povrchov\u00e9 permanentn\u00ed magnety (SPM)<\/strong> a <strong>Vnit\u0159n\u00ed permanentn\u00ed magnety (IPM)<\/strong> motory je kl\u00ed\u010dov\u00e9. Tyto dva n\u00e1vrhy poh\u00e1n\u011bj\u00ed v\u011bt\u0161inu modern\u00edch <strong>trak\u010dn\u00edch motor\u016f EV<\/strong>, pr\u016fmyslov\u00fdch pohon\u016f a v\u011btrn\u00fdch turb\u00edn \u2013 ale p\u0159in\u00e1\u0161ej\u00ed velmi odli\u0161n\u00e9 v\u00fdsledky. Od <strong>v\u00fdstupu to\u010div\u00e9ho momentu<\/strong> a <strong>\u00fa\u010dinnosti<\/strong> to <strong>komplexnosti v\u00fdroby<\/strong> a <strong>cena<\/strong>, v\u011bd\u011bt, kdy zvolit <strong>SPM vs. IPM<\/strong> m\u016f\u017ee rozhodnout o v\u00fdkonu a rozpo\u010dtu va\u0161eho projektu. V tomto pr\u016fvodci rozeb\u00edr\u00e1me kl\u00ed\u010dov\u00e9 struktur\u00e1ln\u00ed a elektromagnetick\u00e9 rozd\u00edly, podpo\u0159en\u00e9 poznatky od NBAEM \u2013 d\u016fv\u011bryhodn\u00e9ho dodavatele magnet\u016f NdFeB pro glob\u00e1ln\u00ed l\u00eddry jako FAW a Siemens. P\u0159ipraveni odemknout, kter\u00e9 um\u00edst\u011bn\u00ed magnetu nejl\u00e9pe odpov\u00edd\u00e1 va\u0161im pot\u0159eb\u00e1m? Poj\u010fme na to.<\/p>\n<h2>Z\u00e1kladn\u00ed struktur\u00e1ln\u00ed rozd\u00edly: povrchov\u00e9 vs. vnit\u0159n\u00ed permanentn\u00ed magnety<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-388\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets.png\" alt=\"Neodymov\u00e9 obloukov\u00e9 magnety\" width=\"800\" height=\"270\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-200x68.png 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-300x101.png 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-400x135.png 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-600x203.png 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets-768x259.png 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets.png 800w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>P\u0159i srovn\u00e1n\u00ed <strong>Povrchov\u00e9 permanentn\u00ed magnety (SPM)<\/strong> a <strong>Vnit\u0159n\u00ed permanentn\u00ed magnety (IPM)<\/strong>, kl\u00ed\u010dov\u00fd rozd\u00edl spo\u010d\u00edv\u00e1 v tom, jak jsou magnety um\u00edst\u011bny na rotoru.<\/p>\n<table>\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>Povrchov\u00e9 permanentn\u00ed magnety (SPM)<\/th>\n<th>Vnit\u0159n\u00ed permanentn\u00ed magnety (IPM)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Um\u00edst\u011bn\u00ed magnetu<\/strong><\/td>\n<td>Magnety p\u0159\u00edmo p\u0159ilepen\u00e9 na povrch rotoru<\/td>\n<td>Magnety vlo\u017een\u00e9 uvnit\u0159 dr\u00e1\u017eek j\u00e1dra rotoru<\/td>\n<\/tr>\n<tr>\n<td><strong>Vizu\u00e1ln\u00ed reprezentace<\/strong><\/td>\n<td>V\u00e1lec s vystaven\u00fdmi magnety<\/td>\n<td>Pr\u016f\u0159ez rotoru ukazuj\u00edc\u00ed kapsy na magnety<\/td>\n<\/tr>\n<tr>\n<td><strong>Slo\u017eitost v\u00fdroby<\/strong><\/td>\n<td>Jednoduch\u00e1 mont\u00e1\u017e, magnety lepen\u00e9 nebo spojovan\u00e9<\/td>\n<td>Vy\u017eaduje p\u0159esn\u00e9 obr\u00e1b\u011bn\u00ed pro kapsy na magnety<\/td>\n<\/tr>\n<tr>\n<td><strong>Ochrana rotoru<\/strong><\/td>\n<td>Magnety vystaven\u00e9 prost\u0159ed\u00ed<\/td>\n<td>Magnety chr\u00e1n\u011bn\u00e9 uvnit\u0159 materi\u00e1lu rotoru<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>SPM rotory vypadaj\u00ed jako hladk\u00fd v\u00e1lec s magnety jasn\u011b viditeln\u00fdmi, zat\u00edmco IPM rotory ukazuj\u00ed magnety bezpe\u010dn\u011b ulo\u017een\u00e9 v intern\u00edch dr\u00e1\u017ek\u00e1ch p\u0159i pohledu v pr\u016f\u0159ezu.<\/p>\n<h3>Dopad v\u00fdroby<\/h3>\n<ul>\n<li><strong>SPM<\/strong>: Rychlej\u0161\u00ed a n\u00e1kladov\u011b efektivn\u011bj\u0161\u00ed v\u00fdroba. Ide\u00e1ln\u00ed pro aplikace s m\u00e9n\u011b p\u0159\u00edsn\u00fdmi mechanick\u00fdmi po\u017eadavky.<\/li>\n<li><strong>IPM<\/strong>: Slo\u017eit\u011bj\u0161\u00ed v\u00fdroba kv\u016fli p\u0159esn\u011b obr\u00e1b\u011bn\u00fdm kaps\u00e1m na magnety, ale nab\u00edz\u00ed lep\u0161\u00ed uchov\u00e1n\u00ed magnet\u016f a struktur\u00e1ln\u00ed pevnost.<\/li>\n<\/ul>\n<p>Porozum\u011bn\u00ed t\u011bmto struktur\u00e1ln\u00edm rozd\u00edl\u016fm v\u00e1m pom\u016f\u017ee vybrat spr\u00e1vn\u00e9 um\u00edst\u011bn\u00ed magnet\u016f pro v\u00fdkon a pot\u0159eby v\u00fdroby va\u0161eho motoru.<\/p>\n<h2>Porovn\u00e1n\u00ed v\u00fdkonu: Povrchov\u00fd permanentn\u00ed magnet vs. Vnit\u0159n\u00ed permanentn\u00ed magnet<\/h2>\n<table>\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>Povrchov\u00e9 permanentn\u00ed magnety (SPM)<\/th>\n<th>Vnit\u0159n\u00ed permanentn\u00ed magnety (IPM)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>V\u00fdroba to\u010div\u00e9ho momentu<\/strong><\/td>\n<td>Pouze to\u010div\u00fd moment s permanentn\u00edm magnetem (PM)<\/td>\n<td>Kombinovan\u00fd to\u010div\u00fd moment PM + reluktan\u010dn\u00ed to\u010div\u00fd moment (pos\u00edlen\u00ed 15\u201325%)<\/td>\n<\/tr>\n<tr>\n<td><strong>Maxim\u00e1ln\u00ed rozsah rychlosti<\/strong><\/td>\n<td>Omezeno magnetickou retenc\u00ed (riziko odlepen\u00ed magnet\u016f p\u0159i vysok\u00fdch rychlostech)<\/td>\n<td>\u0160ir\u0161\u00ed rozsah d\u00edky schopnosti zeslabov\u00e1n\u00ed pole (prodlu\u017euje st\u00e1lou rychlost p\u0159i v\u00fdkonu o 2\u20133\u00d7)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u00da\u010dinnost p\u0159i vysok\u00e9 z\u00e1t\u011b\u017ei<\/strong><\/td>\n<td>Dobr\u00e1 \u00fa\u010dinnost<\/td>\n<td>Vynikaj\u00edc\u00ed \u00fa\u010dinnost d\u00edky p\u0159isp\u011bn\u00ed reluktan\u010dn\u00edho to\u010div\u00e9ho momentu<\/td>\n<\/tr>\n<tr>\n<td><strong>V\u00fdkonov\u00e1 hustota<\/strong><\/td>\n<td>St\u0159edn\u00ed v\u00fdkonov\u00e1 hustota<\/td>\n<td>Vysok\u00e1 v\u00fdkonov\u00e1 hustota s lep\u0161\u00edm to\u010div\u00fdm momentem na objem<\/td>\n<\/tr>\n<tr>\n<td><strong>Riziko demagnetizace<\/strong><\/td>\n<td>Vy\u0161\u0161\u00ed riziko kv\u016fli vystaven\u00fdm magnet\u016fm<\/td>\n<td>Ni\u017e\u0161\u00ed riziko, proto\u017ee magnety jsou zapu\u0161t\u011bn\u00e9 a l\u00e9pe chr\u00e1n\u011bn\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>P\u0159id\u00e1n\u00ed reluktan\u010dn\u00edho to\u010div\u00e9ho momentu u n\u00e1vrh\u016f IPM nejen zvy\u0161uje celkov\u00fd to\u010div\u00fd moment, ale tak\u00e9 zlep\u0161uje \u00fa\u010dinnost motoru p\u0159i t\u011b\u017ek\u00fdch z\u00e1t\u011b\u017e\u00edch. Na druh\u00e9 stran\u011b maj\u00ed motory SPM jednodu\u0161\u0161\u00ed um\u00edst\u011bn\u00ed magnet\u016f, ale \u010del\u00ed limit\u016fm p\u0159i vysok\u00fdch rychlostech a vysok\u00e9m to\u010div\u00e9m momentu kv\u016fli vystaven\u00ed magnet\u016f a probl\u00e9m\u016fm s jejich retenc\u00ed.<\/p>\n<p>Pro hlub\u0161\u00ed poznatky o typech magnet\u016f vhodn\u00fdch pro tyto n\u00e1vrhy si prohl\u00e9dn\u011bte nab\u00eddku vysokov\u00fdkonn\u00fdch materi\u00e1l\u016f neodymov\u00fdch magnet\u016f od NBAEM <a href=\"https:\/\/nbaem.com\/cs\/magnets-materials\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #ff6600;\">materi\u00e1ly neodymov\u00fdch magnet\u016f<\/span><\/strong><\/a><strong><span style=\"color: #ff6600;\">.<\/span><\/strong><\/p>\n<h2>Elektromagnetick\u00e9 v\u00fdhody SPM vs IPM<\/h2>\n<p>&nbsp;<\/p>\n<p>Jednou z nejv\u011bt\u0161\u00edch elektromagnetick\u00fdch v\u00fdhod vnit\u0159n\u00edho permanentn\u00edho magnetu (IPM) je jeho reluktan\u010dn\u00ed to\u010div\u00fd moment, kter\u00fd m\u016f\u017ee zv\u00fd\u0161it celkov\u00fd to\u010div\u00fd moment o <strong>15\u201325% ve srovn\u00e1n\u00ed s motory s povrchov\u00fdm permanentn\u00edm magnetem (SPM)<\/strong>. To vych\u00e1z\u00ed z chytr\u00e9ho zp\u016fsobu, jak jsou magnety zapu\u0161t\u011bny uvnit\u0159 rotoru, \u010d\u00edm\u017e vznik\u00e1 dodate\u010dn\u00fd to\u010div\u00fd moment z magnetick\u00e9 saliency rotoru.<\/p>\n<p>Na druh\u00e9 stran\u011b maj\u00ed motory SPM <strong>jednodu\u0161\u0161\u00ed cesta toku<\/strong>, co\u017e m\u00e1 za n\u00e1sledek <strong>ni\u017e\u0161\u00ed induk\u010dnost<\/strong> a rychlej\u0161\u00ed dynamickou odezvu. To znamen\u00e1 rychlej\u0161\u00ed zm\u011bny momentu a rychlosti, co\u017e je u\u017eite\u010dn\u00e9 pro aplikace vy\u017eaduj\u00edc\u00ed rychlou kontrolu.<\/p>\n<p>Dal\u0161\u00edm v\u00fdrazn\u00fdm prvkem je <strong>oslaben\u00ed pole<\/strong>: Motory IPM mohou bezpe\u010dn\u011b prodlou\u017eit sv\u016fj rozsah konstantn\u00edho v\u00fdkonu p\u0159i rychlosti d\u00edky <strong>2 a\u017e 3 n\u00e1sobk\u016fm<\/strong> d\u00edky jejich vnit\u0159n\u00edmu uspo\u0159\u00e1d\u00e1n\u00ed magnet\u016f, co\u017e umo\u017e\u0148uje efektivn\u00ed provoz p\u0159i vy\u0161\u0161\u00edch rychlostech. Motory SPM obvykle tuto schopnost postr\u00e1daj\u00ed, proto\u017ee jejich magnety jsou vystaveny na povrchu, co\u017e omezuje jejich v\u00fdkon p\u0159i vysok\u00fdch rychlostech.<\/p>\n<p>Spole\u010dn\u011b tyto elektromagnetick\u00e9 vlastnosti \u010din\u00ed motory IPM vynikaj\u00edc\u00ed volbou pro vysoce v\u00fdkonn\u00e9 aplikace, jako je trakce EV, kde na v\u00fdkon, \u00fa\u010dinnost a rozsah rychlosti z\u00e1le\u017e\u00ed nejv\u00edce. Pro hlub\u0161\u00ed pochopen\u00ed role magnetick\u00e9 s\u00edly v v\u00fdkonu motoru si p\u0159e\u010dt\u011bte pr\u016fvodce NBAEM o <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/cs\/how-to-measure-magnet-strength\/\" target=\"_blank\" rel=\"noopener\">jak m\u011b\u0159it s\u00edlu magnetu<\/a><\/span><\/strong>.<\/p>\n<h2>Tepeln\u00e9 a mechanick\u00e9 spolehlivosti<\/h2>\n<p>Povrchov\u00e9 permanentn\u00ed magnety (SPM) jsou vystaveny na povrchu rotoru, co\u017e je \u010din\u00ed n\u00e1chyln\u00fdmi k tepeln\u00fdm hotspot\u016fm p\u0159i vysok\u00e9m zat\u00ed\u017een\u00ed. Tato expozice m\u016f\u017ee \u010dasem zp\u016fsobit selh\u00e1n\u00ed lepidla, proto\u017ee spojovac\u00ed materi\u00e1l sl\u00e1bne pod vlivem tepla. Naopak, vnit\u0159n\u00ed permanentn\u00ed magnety (IPM) jsou vlo\u017eeny uvnit\u0159 j\u00e1dra rotoru, co\u017e nab\u00edz\u00ed lep\u0161\u00ed odvod tepla a zlep\u0161enou mechanickou pevnost. Toto ulo\u017een\u00ed chr\u00e1n\u00ed magnety p\u0159ed mechanick\u00fdm po\u0161kozen\u00edm a sni\u017euje riziko demagnetizace zp\u016fsoben\u00e9 p\u0159eh\u0159\u00e1t\u00edm.<\/p>\n<p>Pro designy SPM poskytuje NBAEM protikorozn\u00ed vrstvy, jako je epoxid kombinovan\u00fd s NiCuNi povlakem, kter\u00e9 zvy\u0161uj\u00ed odolnost a pom\u00e1haj\u00ed p\u0159edch\u00e1zet degradaci magnet\u016f vlivem prost\u0159ed\u00ed. Tyto ochrann\u00e9 vrstvy jsou nezbytn\u00e9, kdy\u017e jsou magnety namontov\u00e1ny na povrchu a jsou v\u00edce n\u00e1chyln\u00e9 k mechanick\u00e9mu a tepeln\u00e9mu opot\u0159eben\u00ed.<\/p>\n<p>Tento d\u016fraz na tepelnou a mechanickou odolnost je kl\u00ed\u010dov\u00fd p\u0159i v\u00fdb\u011bru mezi motory SPM a IPM pro n\u00e1ro\u010dn\u00e9 aplikace, jako je trakce EV nebo pr\u016fmyslov\u00e9 pohony. Pro v\u00edce informac\u00ed o magnetov\u00fdch materi\u00e1lech a povlac\u00edch nab\u00edz\u00ed NBAEM \u0159adu neodymov\u00fdch krou\u017ekov\u00fdch magnet\u016f \u0159e\u0161en\u00ed p\u0159izp\u016fsoben\u00fdch pro tepelnou odolnost a dlouhov\u011bkost.<\/p>\n<h2>N\u00e1klady a v\u00fdrobn\u00ed p\u0159ehled<\/h2>\n<p>Motory s povrchov\u00fdm permanentn\u00edm magnetem (SPM) maj\u00ed v\u00fdhodu ni\u017e\u0161\u00edch n\u00e1klad\u016f na n\u00e1stroje a rychlej\u0161\u00ed mont\u00e1\u017en\u00ed procesy, co\u017e je \u010din\u00ed ide\u00e1ln\u00edmi pro aplikace do 100 kW, kde z\u00e1le\u017e\u00ed na rozpo\u010dtu a rychlosti v\u00fdroby. Jejich jednodu\u0161\u0161\u00ed konstrukce rotoru znamen\u00e1 m\u00e9n\u011b obr\u00e1b\u011bc\u00edch krok\u016f a jednodu\u0161\u0161\u00ed um\u00edst\u011bn\u00ed magnet\u016f.<\/p>\n<p>Naopak, motory s vnit\u0159n\u00edm permanentn\u00edm magnetem (IPM) maj\u00ed slo\u017eit\u011bj\u0161\u00ed konstrukci rotoru, proto\u017ee magnety jsou vlo\u017eeny uvnit\u0159 j\u00e1dra. Tato slo\u017eitost zvy\u0161uje v\u00fdrobn\u00ed n\u00e1klady a vy\u017eaduje p\u0159esn\u00e9 obr\u00e1b\u011bn\u00ed. Nicm\u00e9n\u011b, mnoho design\u016f IPM \u0161et\u0159\u00ed na pou\u017eit\u00ed m\u011bdi optimalizac\u00ed vinut\u00ed rotoru, co\u017e m\u016f\u017ee n\u011bkter\u00e9 n\u00e1klady kompenzovat.<\/p>\n<p>Materi\u00e1lov\u011b pou\u017e\u00edvaj\u00ed motory IPM p\u0159ibli\u017en\u011b o 10\u201320 % m\u00e9n\u011b magnetick\u00e9ho materi\u00e1lu NdFeB, aby dos\u00e1hly stejn\u00e9ho to\u010div\u00e9ho momentu jako SPM, d\u00edky zv\u00fd\u0161en\u00e9 \u00fa\u010dinnosti magnetick\u00e9ho obvodu. Tato \u00faspora magnet\u016f je kl\u00ed\u010dov\u00fdm faktorem sni\u017eov\u00e1n\u00ed celkov\u00e9 hmotnosti a n\u00e1klad\u016f motoru, zejm\u00e9na p\u0159i masov\u00e9 v\u00fdrob\u011b EV.<\/p>\n<p>Pro v\u00fdrobce, kte\u0159\u00ed maj\u00ed z\u00e1jem o specifika magnetick\u00fdch materi\u00e1l\u016f, pom\u00e1h\u00e1 prozkoum\u00e1n\u00ed pokro\u010dil\u00fdch magnetick\u00fdch technologi\u00ed NBAEM optimalizovat v\u00fdb\u011br magnetick\u00fdch t\u0159\u00edd a n\u00e1kladovou efektivitu.<\/p>\n<h2>Aplikace a ide\u00e1ln\u00ed oblasti<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/11\/Surface_vs_Internal_Permanent_Magnets_Comparison_I.webp\" alt=\"Porovn\u00e1n\u00ed povrchov\u00fdch a vnit\u0159n\u00edch permanentn\u00edch magnet\u016f\" \/><\/p>\n<p>Fotografie od <a href=\"https:\/\/www.controleng.com\/understanding-permanent-magnet-motors\/\" target=\"_blank\" rel=\"noopener\"><strong>\u0158\u00edzen\u00ed technologi\u00ed\u00a0\u00a0<\/strong><\/a><\/p>\n<p>Motory s povrchov\u00fdm permanentn\u00edm magnetem (SPM) jsou skv\u011blou volbou pro dom\u00e1c\u00ed spot\u0159ebi\u010de, \u010derpadla n\u00edzk\u00e9 rychlosti a drony citliv\u00e9 na cenu. Jejich jednodu\u0161\u0161\u00ed konstrukce a ni\u017e\u0161\u00ed n\u00e1klady je \u010din\u00ed ide\u00e1ln\u00edmi, kdy\u017e jsou kl\u00ed\u010dov\u00e9 rozpo\u010det a snadn\u00e1 v\u00fdroba. Na druhou stranu, motory s vnit\u0159n\u00edm permanentn\u00edm magnetem (IPM) skute\u010dn\u011b vynikaj\u00ed v n\u00e1ro\u010dn\u00fdch aplikac\u00edch, jako jsou trak\u010dn\u00ed motory elektromobil\u016f\u2014myslete na Tesla Model 3 a NIO ET7\u2014kde je nejd\u016fle\u017eit\u011bj\u0161\u00ed vysok\u00e1 hustota v\u00fdkonu, lep\u0161\u00ed \u00fa\u010dinnost a schopnosti zeslabov\u00e1n\u00ed pole. IPM jsou tak\u00e9 b\u011b\u017en\u00e9 v \u0159\u00edzen\u00edch v\u011btrn\u00fdch list\u016f a vysokorychlostn\u00edch v\u0159etenech d\u00edky jejich mechanick\u00e9 odolnosti a tepeln\u00fdm v\u00fdhod\u00e1m.<\/p>\n<p>Existuj\u00ed tak\u00e9 hybridn\u00ed p\u0159\u00edpady, kter\u00e9 stoj\u00ed za zm\u00ednku: BMW i4 pou\u017e\u00edv\u00e1 rotor s IPM pro optim\u00e1ln\u00ed v\u00fdkon, zat\u00edmco Renault Zoe vol\u00ed design SPM, aby sn\u00ed\u017eil n\u00e1klady bez p\u0159\u00edli\u0161n\u00e9ho ob\u011btov\u00e1n\u00ed v\u00fdkonu. Tato rovnov\u00e1ha ukazuje, jak z\u00e1le\u017e\u00ed na konkr\u00e9tn\u00edch po\u017eadavc\u00edch a priorit\u00e1ch aplikace p\u0159i volb\u011b mezi SPM a IPM.<\/p>\n<h2>Mapov\u00e1n\u00ed produkt\u016f NBAEM pro magnety SPM a IPM<\/h2>\n<p>NBAEM nab\u00edz\u00ed specializovan\u00e9 t\u0159\u00eddy magnet\u016f p\u0159izp\u016fsoben\u00e9 jak pro motory s povrchov\u00fdm permanentn\u00edm magnetem (SPM), tak pro motory s vnit\u0159n\u00edm permanentn\u00edm magnetem (IPM), optimalizuj\u00edc\u00ed v\u00fdkon a spolehlivost v r\u016fzn\u00fdch aplikac\u00edch.<\/p>\n<ul>\n<li><strong>T\u0159\u00eddy SPM:<\/strong> Arc magnety N52SH, velikosti mezi R30 a R55 mm, jsou navr\u017eeny s teplotn\u00edm hodnocen\u00edm 120\u00b0C. Tyto magnety jsou ide\u00e1ln\u00ed pro klasick\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed s povrchov\u00fdm magnetem, kde jsou prioritou stabiln\u00ed magnetick\u00fd v\u00fdkon a snadn\u011bj\u0161\u00ed mont\u00e1\u017e.<\/li>\n<li><strong>T\u0159\u00eddy IPM:<\/strong> Pro vnit\u0159n\u00ed rotory s permanentn\u00edm magnetem NBAEM poskytuje blokov\u00e9 magnety M45UH. Ty jsou optimalizovan\u00e9 pro vlo\u017een\u00ed do j\u00e1dra rotoru a maj\u00ed vy\u0161\u0161\u00ed teplotn\u00ed hodnocen\u00ed 180\u00b0C, co\u017e zaji\u0161\u0165uje odolnost p\u0159i n\u00e1ro\u010dn\u00fdch tepeln\u00fdch a mechanick\u00fdch nam\u00e1h\u00e1n\u00edch.<\/li>\n<\/ul>\n<p>P\u0159\u00edklad z praxe ukazuje dopad NBAEM: dodavatel elektrick\u00fdch vozidel Tier-1 zaznamenal <strong>30% sn\u00ed\u017een\u00ed n\u00e1klad\u016f<\/strong> p\u0159i p\u0159echodu z konven\u010dn\u00edch magnet\u016f na IPM bloky NBAEM. To ukazuje nejen na efektivitu materi\u00e1lu a v\u00fdroby, ale i na hodnotu pokro\u010dil\u00fdch magnetick\u00fdch n\u00e1vrh\u016f p\u0159i v\u00fdvoji trak\u010dn\u00edch motor\u016f EV.<\/p>\n<p>&nbsp;<\/p>\n<h2>Kontroln\u00ed seznam v\u00fdb\u011bru: Vyberte SPM nebo IPM za 2 minuty<\/h2>\n<p>Pro rychl\u00e9 rozhodnut\u00ed mezi motorem s povrchov\u00fdm permanentn\u00edm magnetem (SPM) a motorem s vnit\u0159n\u00edm permanentn\u00edm magnetem (IPM) si polo\u017ete t\u011bchto 7 kl\u00ed\u010dov\u00fdch ot\u00e1zek:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ot\u00e1zka<\/th>\n<th>Pokud Ano \u2192 Vyberte SPM<\/th>\n<th>Pokud Ne \u2192 Zva\u017ete IPM<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Je va\u0161e aplikace n\u00edzkorychlostn\u00ed a\u017e st\u0159edn\u00ed rychlosti?<\/td>\n<td>\u2714 Ide\u00e1ln\u00ed pro SPM<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Pot\u0159ebujete vysok\u00fd kroutic\u00ed moment s pos\u00edlen\u00edm reluktance?<\/td>\n<td><\/td>\n<td>\u2714 IPM je pro to nejlep\u0161\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Je kompaktn\u00ed velikost a vysok\u00e1 hustota v\u00fdkonu nezbytnost\u00ed?<\/td>\n<td><\/td>\n<td>\u2714 Preferov\u00e1no IPM<\/td>\n<\/tr>\n<tr>\n<td>Pob\u011b\u017e\u00ed motor p\u0159i vysok\u00fdch rychlostech s oslaben\u00edm pole?<\/td>\n<td><\/td>\n<td>\u2714 IPM vynik\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Je ni\u017e\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klad priorita?<\/td>\n<td>\u2714 SPM m\u00e1 jednodu\u0161\u0161\u00ed v\u00fdrobu<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Ob\u00e1v\u00e1te se rizika demagnetizace?<\/td>\n<td><\/td>\n<td>\u2714 Magnety IPM jsou vlo\u017een\u00e9 a bezpe\u010dn\u011bj\u0161\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Po\u017eadujete vysokou \u00fa\u010dinnost p\u0159i zat\u00ed\u017een\u00ed?<\/td>\n<td><\/td>\n<td>\u2714 IPM nab\u00edz\u00ed lep\u0161\u00ed \u00fa\u010dinnost<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Matice priority rychlosti vs. to\u010div\u00fd moment<\/h3>\n<table>\n<thead>\n<tr>\n<th>Priorita<\/th>\n<th>Nejlep\u0161\u00ed typ motoru<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vysok\u00e1 rychlost<\/td>\n<td>IPM (oslaben\u00ed pole prodlu\u017euje rychlost)<\/td>\n<\/tr>\n<tr>\n<td>Vysok\u00fd to\u010div\u00fd moment<\/td>\n<td>IPM (zv\u00fd\u0161en\u00ed reluktance to\u010div\u00e9ho momentu)<\/td>\n<\/tr>\n<tr>\n<td>Vyv\u00e1\u017een\u00e1<\/td>\n<td>SPM (jednodu\u0161\u0161\u00ed konstrukce, st\u0159edn\u00ed to\u010div\u00fd moment)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Pou\u017eijte tento rychl\u00fd kontroln\u00ed seznam k z\u00fa\u017een\u00ed v\u00fdb\u011bru motoru na z\u00e1klad\u011b va\u0161ich v\u00fdkonov\u00fdch a n\u00e1kladov\u00fdch c\u00edl\u016f. Pro v\u00edce informac\u00ed o magnetov\u00fdch materi\u00e1lech a jejich pou\u017eit\u00ed v motorech nav\u0161tivte <a href=\"https:\/\/nbaem.com\/cs\/magnetic-materials-in-motor-technology\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #ff6600;\">Magnetick\u00e9 materi\u00e1ly v motorov\u00e9 technice<\/span> <\/strong><\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Objevte kl\u00ed\u010dov\u00e9 rozd\u00edly mezi motory s povrchov\u00fdm permanentn\u00edm magnetem a motory s vnit\u0159n\u00edm permanentn\u00edm magnetem, v\u010detn\u011b konstrukce, to\u010div\u00e9ho momentu, \u00fa\u010dinnosti a pou\u017eit\u00ed.<\/p>","protected":false},"author":1,"featured_media":388,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3375","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/Neodymium-arc-magnets.png","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3375","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/comments?post=3375"}],"version-history":[{"count":5,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3375\/revisions"}],"predecessor-version":[{"id":3417,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3375\/revisions\/3417"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/388"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=3375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=3375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=3375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}