{"id":2206,"date":"2019-01-31T05:46:21","date_gmt":"2019-01-31T04:46:21","guid":{"rendered":"http:\/\/jvelektronika.cz\/?page_id=2206"},"modified":"2019-01-31T05:46:21","modified_gmt":"2019-01-31T04:46:21","slug":"sestifazovy-analyzator-vykonu","status":"publish","type":"page","link":"https:\/\/jvelektronika.cz\/?page_id=2206","title":{"rendered":"\u0160estif\u00e1zov\u00fd analyz\u00e1tor v\u00fdkonu"},"content":{"rendered":"<h1 class=\"article-title\"><span style=\"color: #0000ff;\">\u0160estif\u00e1zov\u00fd analyz\u00e1tor v\u00fdkonu \u2013\u00a0 \u0159e\u0161en\u00ed pro v\u00fdvoj \u0159\u00edzen\u00fdch pohon\u016f<\/span><\/h1>\n<p>&nbsp;<\/p>\n<p>Pohony v pr\u016fmyslu, ale v posledn\u00ed dob\u011b p\u0159edev\u0161\u00edm elektrick\u00fdch pohon\u016f v automobilech. Zde jsou pou\u017e\u00edv\u00e1ny hlavn\u011b st\u0159\u00eddav\u00e9, frekven\u010dn\u011b \u0159\u00edzen\u00e9 pohony synchronn\u00ed i asynchronn\u00ed, kde d\u00edky vyu\u017eit\u00ed \u0161\u00ed\u0159kov\u00e9 modulace spr\u00e1vn\u00e9 a p\u0159esn\u00e9 zm\u011b\u0159en\u00ed v\u00fdkonu a \u00fa\u010dinnosti p\u0159es cel\u00fd \u0159et\u011bzec nen\u00ed snadnou z\u00e1le\u017eitost\u00ed.<\/p>\n<p>Analyz\u00e1tor PPA3560 nab\u00edz\u00ed 12 kan\u00e1lov\u00e9 m\u011b\u0159en\u00ed \u0161esti wattmetry v jedn\u00e9 jednotce. V\u0161echna m\u011b\u0159en\u00ed jsou \u010dasov\u011b synchronizov\u00e1na pomoc\u00ed j\u00e1dra centr\u00e1ln\u00edho FPGA, kter\u00e9 z\u00edsk\u00e1v\u00e1 vzorkovac\u00ed body ze v\u0161ech 12 kan\u00e1l\u016f sou\u010dasn\u011b a zabra\u0148uje tak \u201eserializaci\u201c z\u00edsk\u00e1v\u00e1n\u00ed dat. To umo\u017e\u0148uje PPA3560 dos\u00e1hnout bezkonkuren\u010dn\u00edho p\u0159esnosti f\u00e1zov\u00e9ho \u00fahlu mezi kan\u00e1ly 0,005deg. Tento parametr je jedn\u00edm z kl\u00ed\u010dov\u00fdch vlastnost\u00ed, kter\u00e9 z PPA3500 d\u011bl\u00e1 nejlep\u0161\u00edm analyz\u00e1torem na trhu z hlediska p\u0159esnosti.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an1.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter  wp-image-2207\" src=\"http:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an1.jpg\" alt=\"\" width=\"610\" height=\"274\" srcset=\"https:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an1.jpg 766w, https:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an1-300x135.jpg 300w\" sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Dal\u0161\u00ed v\u00fdznamnou vlastnost\u00ed je vysokorychlostn\u00ed m\u011b\u0159en\u00ed v\u00fdkonu s intervalem 5 ms. M\u011b\u0159en\u00ed zahrnuj\u00ed v\u0161echny kmito\u010dtov\u00e9 slo\u017eky nap\u011bt\u00ed i proudu, nap\u0159\u00edklad z\u00e1kladn\u00ed slo\u017eku, harmonick\u00e9 i nosnou PWM m\u011bni\u010de vzorkov\u00e1n\u00edm 1Ms\/s na libovoln\u00e9 frekvenci pohonu.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an2.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter  wp-image-2208\" src=\"http:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an2.jpg\" alt=\"\" width=\"736\" height=\"284\" srcset=\"https:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an2.jpg 790w, https:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an2-300x116.jpg 300w, https:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an2-768x297.jpg 768w\" sizes=\"(max-width: 736px) 100vw, 736px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>V\u0161echny hodnoty m\u011b\u0159en\u00ed v\u00fdkonu a hodnoty RMS jsou vypo\u010dteny sou\u010dasn\u011b p\u0159es 6 f\u00e1z\u00ed, co\u017e umo\u017e\u0148uje snadno nam\u011b\u0159en\u00e9 hodnoty vybrat a zobrazovat je b\u011bhem anal\u00fdzy.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an3.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-2209\" src=\"http:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an3.jpg\" alt=\"\" width=\"800\" height=\"296\" srcset=\"https:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an3.jpg 800w, https:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an3-300x111.jpg 300w, https:\/\/jvelektronika.cz\/wp-content\/uploads\/2019\/01\/an3-768x284.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Publikov\u00e1no 31. 01. 2019<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0160estif\u00e1zov\u00fd analyz\u00e1tor v\u00fdkonu \u2013\u00a0 \u0159e\u0161en\u00ed pro v\u00fdvoj \u0159\u00edzen\u00fdch pohon\u016f &nbsp; Pohony v pr\u016fmyslu, ale v posledn\u00ed dob\u011b p\u0159edev\u0161\u00edm elektrick\u00fdch pohon\u016f v automobilech. Zde jsou pou\u017e\u00edv\u00e1ny hlavn\u011b st\u0159\u00eddav\u00e9, frekven\u010dn\u011b \u0159\u00edzen\u00e9 pohony synchronn\u00ed i asynchronn\u00ed, kde d\u00edky vyu\u017eit\u00ed \u0161\u00ed\u0159kov\u00e9 modulace spr\u00e1vn\u00e9 a p\u0159esn\u00e9 zm\u011b\u0159en\u00ed v\u00fdkonu a \u00fa\u010dinnosti p\u0159es cel\u00fd \u0159et\u011bzec nen\u00ed snadnou [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2172,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/2206"}],"collection":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2206"}],"version-history":[{"count":1,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/2206\/revisions"}],"predecessor-version":[{"id":2210,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/2206\/revisions\/2210"}],"up":[{"embeddable":true,"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=\/wp\/v2\/pages\/2172"}],"wp:attachment":[{"href":"https:\/\/jvelektronika.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2206"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}