{"id":13752,"date":"2023-08-14T04:30:37","date_gmt":"2023-08-14T04:30:37","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13752"},"modified":"2023-12-26T08:39:29","modified_gmt":"2023-12-26T08:39:29","slug":"what-is-constant-wattage-autotransformer-cwa","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/pt_br\/glossario\/o-que-e-autotransformador-de-wattagem-constante-cwa","title":{"rendered":"O que \u00e9 Autotransformador de Pot\u00eancia Constante (CWA)"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-constant-wattage-autotransformer-cwa\">O que \u00e9 Autotransformador de Pot\u00eancia Constante (CWA)<\/h2><p>Um Autotransformador de Pot\u00eancia Constante (CWA) \u00e9 um tipo de balastro, especificamente para l\u00e2mpadas de merc\u00fario de alta press\u00e3o e l\u00e2mpadas de s\u00f3dio de alta press\u00e3o (HPS). Ele fornece a tens\u00e3o de partida e opera\u00e7\u00e3o necess\u00e1rias para esses tipos de l\u00e2mpadas. Um balastro CWA geralmente consiste em terminais de entrada para conex\u00e3o \u00e0s linhas de corrente alternada, terminais de sa\u00edda para conex\u00e3o atrav\u00e9s da l\u00e2mpada e um autotransformador. O autotransformador possui um enrolamento prim\u00e1rio conectado aos terminais de entrada e um terminal de sa\u00edda, bem como um enrolamento secund\u00e1rio conectado ao outro terminal de sa\u00edda. <\/p><div class=\"insert_portfolio_outer_wrapper\"><h3>Inspire-se com os Portf\u00f3lios de Sensores de Movimento Rayzeek.<\/h3><p>N\u00e3o encontrou o que deseja? N\u00e3o se preocupe. Sempre h\u00e1 maneiras alternativas de resolver seus problemas. Talvez um de nossos portf\u00f3lios possa ajudar.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/pt_br\/product-category\/sensores-de-movimento\"><p>Sensores de Movimento PIR<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/pt_br\/interruptores-com-sensor-de-movimento\"><p>Interruptores com Sensor de Movimento<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/pt_br\/occupancy-vacancy-sensors\"><p>Sensores de Ocupa\u00e7\u00e3o<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/pt_br\/produtos\/rz050\"><p>Sensor de Movimento para Ar Condicionado<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/pt_br\/product-category\/fita-de-luz-com-sensor-de-movimento\"><p>Fitas de LED com Sensor de Movimento<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/pt_br\/product-category\/sensor-dimmer-dc\"><p>Sensores de Movimento\/Dimerizadores de Baixa Tens\u00e3o DC<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/pt_br\/product-category\/sensores-de-movimento-sem-fio\"><p>Kits de Sensores de Movimento Sem Fio<\/p><\/a><\/div><\/div><\/div><\/div><p>Al\u00e9m do autotransformador, um reator CWA tamb\u00e9m pode incluir outros componentes, como capacitores em s\u00e9rie e capacitores de sustenta\u00e7\u00e3o do arco. O capacitor em s\u00e9rie geralmente \u00e9 conectado na conex\u00e3o ao terminal de sa\u00edda, o que ajuda a limitar ou controlar a corrente da l\u00e2mpada e melhorar o fator de pot\u00eancia da carga. O capacitor de sustenta\u00e7\u00e3o do arco, por outro lado, \u00e9 conectado a um dos terminais de entrada em paralelo com o enrolamento secund\u00e1rio do autotransformador. Ele \u00e9 projetado para ressoar com o autotransformador, resultando em uma r\u00e1pida eleva\u00e7\u00e3o da tens\u00e3o nos terminais de sa\u00edda durante cada ciclo alto de corrente alternada. Essa r\u00e1pida eleva\u00e7\u00e3o de tens\u00e3o desempenha um papel crucial na sustenta\u00e7\u00e3o e estabiliza\u00e7\u00e3o do arco em uma l\u00e2mpada de s\u00f3dio de alta press\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>Um Autotransformador de Pot\u00eancia Constante (CWA) \u00e9 um tipo de reator, especificamente para l\u00e2mpadas de merc\u00fario de alta press\u00e3o e l\u00e2mpadas de s\u00f3dio de alta press\u00e3o (HPS). Ele fornece a tens\u00e3o de partida e opera\u00e7\u00e3o necess\u00e1rias para esses tipos de l\u00e2mpadas.<\/p>","protected":false},"author":4,"featured_media":12867,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"alternating current lines\", \"idxall\": 0, \"keywordtitlesimi\": 0.8221713304519653, \"keywordslugsimi\": 0.8134934902191162, \"paratitlesimi\": 0.6145755052566528, \"paraslugsimi\": 0.623908519744873, \"slug\": \"what-is-alternating-current-ac\", \"title\": \"What is Alternating Current (AC)\", \"id\": 12822}, {\"keyword\": \"power factor of the load\", \"idxall\": 0, \"keywordtitlesimi\": 0.794979989528656, \"keywordslugsimi\": 0.7808880805969238, \"paratitlesimi\": 0.5520579814910889, \"paraslugsimi\": 0.5315072536468506, \"slug\": \"what-is-power-factor-pf\", \"title\": \"What is Power Factor (PF)\", \"id\": 13327}, {\"keyword\": \"high-pressure mercury lamps\", \"idxall\": 0, \"keywordtitlesimi\": 0.783807098865509, \"keywordslugsimi\": 0.783807098865509, \"paratitlesimi\": 0.6340302228927612, \"paraslugsimi\": 0.6340302228927612, \"slug\": \"what-is-mercury-vapor-lamp\", \"title\": \"What is Mercury Vapor Lamp\", \"id\": 13939}, {\"keyword\": \"series capacitors\", \"idxall\": 0, \"keywordtitlesimi\": 0.7822661995887756, \"keywordslugsimi\": 0.7822661995887756, \"paratitlesimi\": 0.6014158129692078, \"paraslugsimi\": 0.6014158129692078, \"slug\": \"what-is-series-circuit\", \"title\": \"What is Series circuit\", \"id\": 14337}, {\"keyword\": \"CWA ballast\", \"idxall\": 1, \"keywordtitlesimi\": 0.7662052512168884, \"keywordslugsimi\": 0.7662052512168884, \"paratitlesimi\": 0.5902138948440552, \"paraslugsimi\": 0.5902138948440552, \"slug\": \"what-is-ballast\", \"title\": \"What is Ballast\", \"id\": 13782}, {\"keyword\": \"CWA ballast\", \"idxall\": 1, \"keywordtitlesimi\": 0.7660096883773804, \"keywordslugsimi\": 0.7584398984909058, \"paratitlesimi\": 0.6229133605957031, \"paraslugsimi\": 0.616574764251709, \"slug\": \"what-is-certified-ballast-manufacturers-association-cbma\", \"title\": \"What is Certified Ballast Manufacturers Association (CBMA)\", \"id\": 13874}, {\"keyword\": \"limit or control the lamp current\", \"idxall\": 0, \"keywordtitlesimi\": 0.7619407176971436, \"keywordslugsimi\": 0.7619407176971436, \"paratitlesimi\": 0.6188721656799316, \"paraslugsimi\": 0.6188721656799316, \"slug\": \"what-is-current-controlled-dimming\", \"title\": \"What is Current Controlled Dimming\", \"id\": 14161}, {\"keyword\": \"high-pressure sodium lamp\", \"idxall\": 0, \"keywordtitlesimi\": 0.7614560127258301, \"keywordslugsimi\": 0.7568715810775757, \"paratitlesimi\": 0.5747008323669434, \"paraslugsimi\": 0.567492663860321, \"slug\": \"what-is-low-pressure-sodium-lps-lamp\", \"title\": \"What is Low-Pressure Sodium (LPS) Lamp\", \"id\": 13569}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Constant-Wattage Autotransformer (CWA)","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-13752","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Constant-Wattage Autotransformer (CWA) - Rayzeek<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rayzeek.com\/pt_br\/glossario\/o-que-e-autotransformador-de-wattagem-constante-cwa\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Constant-Wattage Autotransformer (CWA) - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"A Constant-Wattage Autotransformer (CWA) is a type of ballast, specifically for high-pressure mercury lamps and high-pressure sodium (HPS) lamps. 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