{"id":852,"date":"2019-05-04T01:56:00","date_gmt":"2019-05-04T08:56:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=852"},"modified":"2024-02-03T07:27:30","modified_gmt":"2024-02-03T15:27:30","slug":"charging-systems","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/charging-systems\/","title":{"rendered":"Charging Systems"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_5cfde5-47 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_5cfde5-47 > .kt-inside-inner-col,.kadence-column_5cfde5-47 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_5cfde5-47 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_5cfde5-47 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_5cfde5-47 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_5cfde5-47 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_5cfde5-47{position:relative;}@media all and (max-width: 1024px){.kadence-column_5cfde5-47 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_5cfde5-47 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_5cfde5-47 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-42b008  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-ed3270\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_ad0007-e8, .wp-block-kadence-advancedheading.kt-adv-heading_ad0007-e8[data-kb-block=\"kb-adv-heading_ad0007-e8\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_ad0007-e8 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_ad0007-e8[data-kb-block=\"kb-adv-heading_ad0007-e8\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_ad0007-e8 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_ad0007-e8[data-kb-block=\"kb-adv-heading_ad0007-e8\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_ad0007-e8 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_ad0007-e8\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The charging system&rsquo;s job is to keep feeding the battery so it won&rsquo;t lose voltage and fail.<\/li><li>Alternators use the principle of electromagnetism induction to produce voltage and current.<\/li><li>The voltage regulator controls the field current applied to the alternator so it keeps producing voltage.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n<p>As mentioned earlier, the <a href=\"https:\/\/www.carparts.com\/blog\/automobile-battery-everything-you-need-to-know\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"battery\">battery<\/a> is the heart of the electrical system in the car. Something has to keep feeding the battery, or it will lose it&rsquo;s voltage and fail to work. This job is left to the charging system. The principal part of the charging system is the alternator. It generates and delivers electrical power to the battery and the rest of the vehicles electrical system. This current must be maintained at between 13 and 15 volts, this is the job of the voltage regulator. Amperage output of the alternator is dependent on the state of charge of the battery. The charging system consists of the battery, which provides field current to the alternator, so that it can function. The battery also controls the amperage output of the alternator. The voltage regulator, which controls the voltage output of the alternator. An ammeter or voltage indicator lamp, to inform the driver of the condition of the system.<\/p>\n<figure id=\"attachment_854\" aria-describedby=\"caption-attachment-854\" style=\"width: 1206px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-854\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/06\/alternators-piling-up-on-a-shelf-1024x637.jpg\" alt=\"\" width=\"1206\" height=\"750\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/06\/alternators-piling-up-on-a-shelf.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/06\/alternators-piling-up-on-a-shelf-300x187.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/06\/alternators-piling-up-on-a-shelf-768x478.jpg 768w\" sizes=\"(max-width: 1206px) 100vw, 1206px\"><figcaption id=\"caption-attachment-854\" class=\"wp-caption-text\">As the principal part of the charging system, the alternator&rsquo;s major roles include generating and delivering electrical power to the battery and the rest of the vehicles electrical system.<\/figcaption><\/figure>\n<h2><a name=\"Alternator\"><\/a>Alternator<\/h2>\n<p>The alternator uses the principle of electromagnetism induction to produce voltage and current. A magnet, called a rotor, is rotated inside a stationary looped conductor, called a stator, to generate a voltage. The strength and polarity of the voltage is dependent on the direction of rotation, the strength of the magnetic field, the number of conductors and the speed of the rotor inside the stator. This type of generator puts out AC voltage, hence an alternator instead of a generator, while an automobile is operated on DC current. To convert the AC voltage into DC voltage a series of diodes are used. A diode is an electrical one way check valve that allows current to flow in one direction only. By allowing current to flow in only one direction, we are able to convert alternating current to direct current. Another big difference between an AC alternator and a DC generator, is that an alternator will put out a large current flow at low speed, while a generator needs high speed to put out high current flow. As mentioned earlier voltage output is dependent on the strength of the magnetic field. The magnetic field is created by applying current to the stator from the voltage regulator.<\/p>\n<h2><a name=\"Voltage%20Regulator\"><\/a>Voltage Regulator<\/h2>\n<p>The <a href=\"https:\/\/www.carparts.com\/blog\/bad-voltage-regulator-symptoms-testing-replacement-cost-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"voltage regulator\">voltage regulator<\/a> controls the field current applied to the alternator. When there is no current applied to the field, there is no voltage produced from the alternator. When voltage drops below 13.5 the regulator will apply current to the field and the alternator will start charging. When the voltage exceeds 14.5 the regulator will stop supplying voltage to the field and the alternator will stop charging. This is how voltage output from the alternator is regulated. Amperage or current is regulated by the state of charge of the battery. When the battery is weak, the electromotive force (voltage) is not strong enough to hold back the current from the alternator trying to recharge the battery. As the battery reaches a state of full charge, the electromotive force becomes strong enough to oppose the current flow from the alternator, the amperage output from the alternator will drop to 0, while the voltage will remain at 13.5 to 14.5. When more electrical power is used, the electromotive force will reduce and alternator amperage will increase. It is extremely important that when alternator efficiency is checked, both voltage and amperage outputs are checked. Each alternator has a rated amperage output depending on the electrical requirements of the vehicle.<\/p>\n\n\n<h2 class=\"wp-block-heading\">How to Get a Replacement Alternator and Voltage Regulator<\/h2>\n\n\n\n<p>Driving with a faulty alternator and a damaged voltage regulator is a recipe for disaster. A faulty alternator likely won&rsquo;t be able to charge your car battery, while a bad voltage regulator can prevent your vehicle from running altogether. Either way, you&rsquo;re likely to find yourself stranded with a defective charging system, so it&rsquo;s best to address any issues as soon as possible. Luckily, getting a new alternator and voltage regulator is fast and easy with CarParts.com.&nbsp;<\/p>\n\n\n\n<p>CarParts.com offers a wide selection of alternators and voltage regulators, all sourced from the most trusted manufacturers in the industry. With the help of our vehicle selector and search filters, you can easily browse through our catalog for available parts that are compatible with your ride. CarParts.com also guarantees fast shipping, thanks to our warehouses strategically located around the US. Order by 12 p.m. ET, and you can even expect your package to arrive in as fast as two business days.<\/p>\n\n\n\n<p>Don&rsquo;t wait until your entire charging system fails before replacing your alternator and voltage regulator. Check out our catalog of high-quality <a href=\"https:\/\/www.carparts.com\/alternator\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"alternators\">alternators<\/a> and <a href=\"https:\/\/www.carparts.com\/voltage-regulator\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"voltage regulators\">voltage regulators<\/a> at CarParts.com today!<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>As mentioned earlier, the battery is the heart of the electrical system in the car. Something has to keep feeding&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/charging-systems\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":21,"featured_media":853,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[267],"tags":[19,1161],"ppma_author":[2623],"class_list":{"0":"post-852","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-guides","8":"tag-alternator","9":"tag-voltage-regulator","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Charging Systems - In The Garage with CarParts.com<\/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.carparts.com\/blog\/charging-systems\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Charging Systems - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Reading Time:  4 minutesAs mentioned earlier, the battery is the heart of the electrical system in the car. Something has to keep feeding... Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/charging-systems\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2019-05-04T08:56:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-03T15:27:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2019\/06\/alternator-working-hard-to-support-the-car.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Fred Bordoff\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/charging-systems\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/charging-systems\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"21\",\"name\":\"\",\"jobTitle\":\"ASE Master Automobile Technician\",\"description\":\"\",\"knowsAbout\":\"Auto Repair, Car Maintenance, Auto Parts, Car Reviews\",\"publishingPrinciples\":\"\\\/blog\\\/our-team\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/author\\\/fredbordoff\\\/\",\"sameAs\":\"\"}],\"headline\":\"Charging Systems\",\"datePublished\":\"2019-05-04T08:56:00+00:00\",\"dateModified\":\"2024-02-03T15:27:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/charging-systems\\\/\"},\"wordCount\":856,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/charging-systems\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/alternator-working-hard-to-support-the-car.jpg\",\"keywords\":[\"alternator\",\"voltage-regulator\"],\"articleSection\":[\"Guides\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.carparts.com\\\/blog\\\/charging-systems\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/charging-systems\\\/\",\"url\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/charging-systems\\\/\",\"name\":\"Charging Systems - 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