{"id":1183,"date":"2024-04-25T04:30:32","date_gmt":"2024-04-24T21:30:32","guid":{"rendered":"http:\/\/www.tneutron.net\/elektro\/?p=1183"},"modified":"2024-04-24T07:54:22","modified_gmt":"2024-04-24T00:54:22","slug":"protection-and-earthing-motor-loads","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/elektro\/protection-and-earthing-motor-loads\/","title":{"rendered":"Protection and Earthing Motor Loads"},"content":{"rendered":"

Motor operation protects against tampering and damage, on the applied control circuit protection equipment such as table 1. Reliability performance protection will determine motor protection against interference.<\/span> As an illustration dipelihatkan in Figure 3-1, a circuit controlling a motor with two speeds and two-way swivel that is equipped with the tools and the TOL protection fuse or MCB.<\/span>
\n\"image\"<\/a>
\n Figure 3-1.<\/span> The motor control protection system.<\/span><\/p>\n

From Figure 3-1, the protection system has two control motors, each of which will protect the different currents, then the termination of the current limit setting is not as great.<\/span>
\n Protection from voltage sources with fuse, both for the power circuit and to the control circuit.<\/span> Fuse function can be replaced with MCB, see Figure 3-1.<\/span> Reliability TOL (thermal over-load) as a means of protection is the amount of protection current can be set refers to the motor nominal current.<\/span><\/p>\n

Contactors magnet of Figure 3-1, in addition to a switch, also functions as a zero-voltage protection.<\/span> Wherein when no voltage to the coil, then the contactor will break the connection to the load.<\/span> This will occur if the control system lightning.<\/span><\/p>\n

Grounding Motor<\/strong><\/span>
\n Grounding system an electric motor as shown in Figure 3-2, is the equipment of motor protection against touch voltage and lightning strikes.<\/span> If the earthing cable binder bolt of figure 3-2, is not bound fast ignition will occur when the body touched the motor voltage insulation failure caused by a motor or motors being struck by lightning.<\/span>
\n\"image_thumb[1]\"<\/a>
\n Figure 2-2.<\/span> Grounding cable Motor<\/span><\/p>\n

Bond due to imperfect grounding bolt-resistance grounding big plus, if the motor body touched voltage as mentioned above and the motor body was touched by humans, it is not a good grounding voltage will flow through the human body, which amount may berakibatkan fatal.<\/span> Therefore, check the earthing cable motors, especially firmness bonding cable connections as shown in Figure 3-2.<\/span> Good grounding magnitude was 0.8 \u03a9 maximum custody.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Motor operation protects against tampering and damage, on the applied control circuit protection equipment such as table 1. Reliability performance<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[2232],"tags":[1607,1609,1608,1617,1613,1616,1612,1610,1611,1614,1615],"class_list":["post-1183","post","type-post","status-publish","format-standard","hentry","category-english","tag-earthing-motor","tag-earthing-motor-frame","tag-earthing-motors","tag-motor-earthing-cable","tag-motor-earthing-cable-size","tag-motor-earthing-iec","tag-motor-earthing-pdf","tag-motor-earthing-standard","tag-motorcycle-earthing-points","tag-motorhome-earthing","tag-motorized-earthing-switch"],"yoast_head":"\nProtection and Earthing Motor Loads - TN Elektro<\/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.tneutron.net\/elektro\/protection-and-earthing-motor-loads\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Protection and Earthing Motor Loads - TN Elektro\" \/>\n<meta name=\"twitter:description\" content=\"Motor operation protects against tampering and damage, on the applied control circuit protection equipment such as table 1. 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