{"id":12822,"date":"2023-06-16T04:15:46","date_gmt":"2023-06-16T04:15:46","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=12822"},"modified":"2023-12-26T08:35:49","modified_gmt":"2023-12-26T08:35:49","slug":"what-is-alternating-current-ac","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/pt_br\/glossario\/o-que-e-corrente-alternada-ac","title":{"rendered":"O que \u00e9 Corrente Alternada (AC)"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-alternating-current-ac\">O que \u00e9 Corrente Alternada (AC)<\/h2><p>Corrente Alternada (CA) \u00e9 um tipo de corrente el\u00e9trica que muda de dire\u00e7\u00e3o periodicamente, fazendo com que o n\u00edvel de voltagem tamb\u00e9m reverta junto com a corrente. A CA \u00e9 comumente usada para fornecer energia a resid\u00eancias, edif\u00edcios de escrit\u00f3rios e outras estruturas. A CA pode ser gerada usando um alternador, que \u00e9 um tipo de gerador el\u00e9trico projetado para produzir corrente alternada. A amplitude da forma de onda de CA descreve a voltagem m\u00e1xima que a onda senoidal pode atingir em qualquer dire\u00e7\u00e3o, enquanto a frequ\u00eancia indica quantas vezes uma forma de onda espec\u00edfica ocorre dentro de um segundo. A fase \u00e9 uma medida de quanto a forma de onda est\u00e1 deslocada em rela\u00e7\u00e3o ao tempo. A CA \u00e9 usada para alimentar motores el\u00e9tricos, que convertem energia el\u00e9trica em energia mec\u00e2nica.<\/p><p>Ao contr\u00e1rio da Corrente Cont\u00ednua (CC), que flui em apenas uma dire\u00e7\u00e3o, a CA muda de dire\u00e7\u00e3o periodicamente, tornando-se mais eficiente para transmiss\u00e3o de energia a longas dist\u00e2ncias. A CA pode ser transmitida por longas dist\u00e2ncias com menos perda de energia devido \u00e0 resist\u00eancia. A CA pode ser convertida para e de altas voltagens facilmente usando transformadores, tornando-a ideal para fornecer servi\u00e7o el\u00e9trico \u00e0s nossas casas e empresas. O tipo mais comum de CA \u00e9 a onda senoidal, que \u00e9 uma oscila\u00e7\u00e3o suave ao redor de 0V. A CA pode assumir v\u00e1rias formas, desde que a voltagem e a corrente sejam alternadas. <\/p><div class=\"insert_inquiry_outer_wrapper\"><h3>Procurando por solu\u00e7\u00f5es de economia de energia ativadas por movimento?<\/h3><p>Entre em contato conosco para sensores de movimento PIR completos, produtos de economia de energia ativados por movimento, interruptores de sensor de movimento e solu\u00e7\u00f5es comerciais de Ocupa\u00e7\u00e3o\/Vac\u00e2ncia.<\/p><div class = \"insert_inquiry_buttons\"><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email\"><div><a href = \"mailto:info@rayzeek.com\"><p>Enviar um E-mail<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email_contact\"><div><a href=\"https:\/\/www.rayzeek.com\/pt_br\/contato\"><p>Formul\u00e1rio de contato<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_chat chat_jump\"><div><a href=\"#\"><p>Chat Online<\/p><\/a><\/div><\/div><\/div><\/div><p>Resumindo, a Corrente Alternada (CA) \u00e9 um tipo de corrente el\u00e9trica que muda de dire\u00e7\u00e3o e magnitude continuamente ao longo do tempo, fluindo em uma dire\u00e7\u00e3o na primeira metade do ciclo e na dire\u00e7\u00e3o oposta na segunda metade, enquanto muda de zero ao m\u00e1ximo e volta a zero novamente. Ela \u00e9 usada para alimentar motores el\u00e9tricos e \u00e9 mais eficiente que a CC para transmiss\u00e3o de energia a longas dist\u00e2ncias. A CA pode ser gerada usando um alternador e pode ser transmitida por longas dist\u00e2ncias com menos perda de energia devido \u00e0 resist\u00eancia. A CA pode ser convertida para e de altas voltagens facilmente usando transformadores, tornando-a ideal para fornecer servi\u00e7o el\u00e9trico \u00e0s nossas casas e empresas.<\/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><div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">Perguntas Frequentes<\/h2>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-is-lightning-considered-ac-or-dc\">A Rel\u00e2mpago \u00e9 considerado CA ou CC<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Em segundo lugar, o rel\u00e2mpago \u00e9 classificado como uma corrente CC (corrente cont\u00ednua), o que significa que precisa ser transformado em CA (corrente alternada) para ser utilizado na ilumina\u00e7\u00e3o e em outros dispositivos.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-why-is-alternating-current-ac-used-to-power-homes\">Por que a Corrente Alternada (CA) \u00e9 usada para alimentar resid\u00eancias<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>A principal vantagem de usar energia CA em resid\u00eancias \u00e9 que ela pode ser transmitida de forma eficiente por longas dist\u00e2ncias. Isso \u00e9 poss\u00edvel porque a corrente CA pode ser facilmente transformada para n\u00edveis de voltagem mais baixos ou mais altos. Em contraste, a energia CC n\u00e3o pode ser transformada com tanta facilidade, dificultando sua transmiss\u00e3o por longas dist\u00e2ncias.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-are-the-4-examples-of-alternating-current\">Quais s\u00e3o os 4 exemplos de Corrente Alternada<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Corrente alternada (CA) \u00e9 utilizada por v\u00e1rios aparelhos el\u00e9tricos, incluindo ventiladores, l\u00e2mpadas, ar-condicionado e motores.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-why-is-ac-current-better\">Por que a CA \u00e9 melhor<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Um dos principais benef\u00edcios da corrente CA \u00e9 sua capacidade de ser facilmente ajustada atrav\u00e9s do uso de transformadores. Isso permite a transmiss\u00e3o de energia em altas voltagens, que podem ent\u00e3o ser reduzidas de forma segura para uso em resid\u00eancias e empresas.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-is-indoor-power-ac-or-dc\">A energia interna \u00e9 CA ou CC<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Tomadas dom\u00e9sticas e de escrit\u00f3rio normalmente fornecem energia CA. A raz\u00e3o para isso \u00e9 que a energia CA \u00e9 mais f\u00e1cil de gerar e transportar por longas dist\u00e2ncias. Al\u00e9m disso, em altas voltagens (acima de 110kV), menos energia \u00e9 perdida durante a transmiss\u00e3o de energia el\u00e9trica.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-is-lightning-a-current-or-voltage\">Rel\u00e2mpago \u00e9 uma Corrente ou Voltagem<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Um rel\u00e2mpago \u00e9 um fen\u00f4meno que envolve uma descarga de eletricidade. \u00c9 caracterizado por uma voltagem de aproximadamente 300 milh\u00f5es de Volts e uma corrente de cerca de 30.000 Amperes. Para colocar em perspectiva, a corrente em uma resid\u00eancia \u00e9 de apenas 120 Volts e 15 Amperes.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-is-residential-ac-or-dc\">\u00c9 AC ou DC residencial<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Sua casa ou escrit\u00f3rio \u00e9 alimentado por corrente alternada (AC), que \u00e9 uma corrente semelhante a uma onda que pode mudar de dire\u00e7\u00e3o e voltagem com a ajuda de transformadores. Este tipo de corrente \u00e9 usado para alimentar todos os aparelhos com fio em sua casa, incluindo seu sistema HVAC, TV e lava-lou\u00e7as.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-can-you-run-a-house-on-dc-power\">Voc\u00ea Pode Alimentar uma Casa com Energia CC<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>A raz\u00e3o pela qual a energia DC n\u00e3o \u00e9 comumente usada em resid\u00eancias pode ser rastreada \u00e0s propriedades inerentes das correntes cont\u00ednuas e suas limita\u00e7\u00f5es quando comparadas \u00e0s Correntes Alternadas (AC). Ao contr\u00e1rio do DC, o AC pode ser transmitido por longas dist\u00e2ncias com perda m\u00ednima e \u00e9 mais seguro de manusear na mesma voltagem.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-which-is-safer-ac-or-dc\">Qual \u00e9 mais seguro, AC ou DC<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>A eletricidade A.C. \u00e9 considerada mais perigosa do que a eletricidade D.C., com relatos sugerindo que ela \u00e9 de quatro a cinco vezes mais perigosa. Isso ocorre porque o A.C. pode causar contra\u00e7\u00f5es musculares mais intensas e tamb\u00e9m estimular a sudorese, o que reduz a resist\u00eancia da pele. \u00c9 importante notar que quanto mais tempo a exposi\u00e7\u00e3o ao A.C., mais rapidamente a resist\u00eancia do corpo diminui.<\/p><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Corrente Alternada (AC) \u00e9 um tipo de corrente el\u00e9trica que muda de dire\u00e7\u00e3o periodicamente, fazendo com que o n\u00edvel de voltagem tamb\u00e9m reverta junto com a corrente.<\/p>","protected":false},"author":4,"featured_media":12789,"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\": \"frequency\", \"idxall\": 0, \"keywordtitlesimi\": 0.9091998338699341, \"keywordslugsimi\": 0.9091998338699341, \"paratitlesimi\": 0.5522665977478027, \"paraslugsimi\": 0.5522665977478027, \"slug\": \"what-is-frequency\", \"title\": \"What is Frequency\", \"id\": 14233}, {\"keyword\": \"voltage level\", \"idxall\": 0, \"keywordtitlesimi\": 0.7907345294952393, \"keywordslugsimi\": 0.7907345294952393, \"paratitlesimi\": 0.5286045670509338, \"paraslugsimi\": 0.5286045670509338, \"slug\": \"what-is-lamp-voltage\", \"title\": \"What is Lamp Voltage\", \"id\": 13535}, {\"keyword\": \"electrical current\", \"idxall\": 1, \"keywordtitlesimi\": 0.7831687331199646, \"keywordslugsimi\": 0.7831687331199646, \"paratitlesimi\": 0.6171588897705078, \"paraslugsimi\": 0.6171588897705078, \"slug\": \"what-is-current\", \"title\": \"What is Current\", \"id\": 13544}, {\"keyword\": \"electrical current\", \"idxall\": 0, \"keywordtitlesimi\": 0.7831687331199646, \"keywordslugsimi\": 0.7831687331199646, \"paratitlesimi\": 0.6051080822944641, \"paraslugsimi\": 0.6051080822944641, \"slug\": \"what-is-current\", \"title\": \"What is Current\", \"id\": 13544}, {\"keyword\": \"Alternating Current\", \"idxall\": 2, \"keywordtitlesimi\": 0.758857250213623, \"keywordslugsimi\": 0.6976826190948486, \"paratitlesimi\": 0.7036107182502747, \"paraslugsimi\": 0.6482376456260681, \"slug\": \"what-is-direct-current-dc\", \"title\": \"What is Direct Current (DC)\", \"id\": 13321}, {\"keyword\": \"Alternating Current\", \"idxall\": 1, \"keywordtitlesimi\": 0.758857250213623, \"keywordslugsimi\": 0.6976826190948486, \"paratitlesimi\": 0.6809680461883545, \"paraslugsimi\": 0.6299986243247986, \"slug\": \"what-is-direct-current-dc\", \"title\": \"What is Direct Current (DC)\", \"id\": 13321}, {\"keyword\": \"electrical current\", \"idxall\": 1, \"keywordtitlesimi\": 0.7520393133163452, \"keywordslugsimi\": 0.6774457097053528, \"paratitlesimi\": 0.7036107182502747, \"paraslugsimi\": 0.6482376456260681, \"slug\": \"what-is-direct-current-dc\", \"title\": \"What is Direct Current (DC)\", \"id\": 13321}, {\"keyword\": \"electrical current\", \"idxall\": 0, \"keywordtitlesimi\": 0.7520393133163452, \"keywordslugsimi\": 0.6774457097053528, \"paratitlesimi\": 0.6809680461883545, \"paraslugsimi\": 0.6299986243247986, \"slug\": \"what-is-direct-current-dc\", \"title\": \"What is Direct Current (DC)\", \"id\": 13321}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Alternating Current (AC)","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-12822","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 - 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