{"id":1187,"date":"2024-04-25T01:24:50","date_gmt":"2024-04-24T18:24:50","guid":{"rendered":"http:\/\/www.tneutron.net\/elektro\/?p=1187"},"modified":"2024-04-24T07:54:22","modified_gmt":"2024-04-24T00:54:22","slug":"thermal-over-load-relay","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/elektro\/thermal-over-load-relay\/","title":{"rendered":"Thermal Over Load Relay"},"content":{"rendered":"<p><span class=\"notranslate\">Safety device used on the motor occurs when the load is called the Thermal Over Load Relay (TOR \/ TOL) is usually coupled with a contactor, the market there is also a more integrated security burden on Motor Circuit Breaker.<\/span> <span class=\"notranslate\"> Relay is normally connected to the contactor to the main contact 2, 4, and 6 before being connected to the load (motor).<\/span> <span class=\"notranslate\"> Useful to provide protection against the motor from damage due to overload.<\/span><\/p>\n<p><span class=\"notranslate\"> Some causes of overload are:<\/span><\/p>\n<ul>\n<li><span class=\"notranslate\"> Too magnitude of mechanical load on the motor.<\/span><\/li>\n<li><span class=\"notranslate\"> Starting current is too large or the motor stops suddenly.<\/span><\/li>\n<li><span class=\"notranslate\"> The opening of one phase of a 3-phase motors.<\/span><\/li>\n<\/ul>\n<p><span class=\"notranslate\"> Currents that are too big arise on the motor load will flow to the motor windings which can cause damage and burning of motor windings.<\/span> <span class=\"notranslate\"> To avoid this happening mounted Thermal Over Load Relay (TOR \/ TOL) in the control circuit.<\/span> <span class=\"notranslate\"> The working principle Thermal Over Load Relay (TOR \/ TOL) by heat (temperatures) generated by the current GCC flowing through the heating elements bimetal, which menakibatkan bimetal curving will then move contacts mechanical circuit breaker electrical contacts 95-96 open and contacts 97-98 closes.<\/span><br \/>\n<a href=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image-6.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image_thumb-6.png\" alt=\"image\" width=\"244\" height=\"206\" border=\"0\" \/><\/a><br \/>\n<span class=\"notranslate\"> Figure 5-5.<\/span> <span class=\"notranslate\"> TOR under normal circumstances.<\/span><\/p>\n<p><a href=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image-8.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image_thumb-8.png\" alt=\"image\" width=\"244\" height=\"215\" border=\"0\" \/><\/a><br \/>\n<span class=\"notranslate\"> Figure 5-6.<\/span> <span class=\"notranslate\"> TOR in a state of overload.<\/span><\/p>\n<p><a href=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image-9.png\"><img loading=\"lazy\" decoding=\"async\" title=\"image\" src=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image_thumb-9.png\" alt=\"image\" width=\"344\" height=\"202\" border=\"0\" \/><\/a><br \/>\n<span class=\"notranslate\"> Picture 5-7.<\/span> <span class=\"notranslate\"> Construction Thermal Over Load Relay (TOR \/ TOL).<\/span><\/p>\n<p><span class=\"notranslate\"> Other equipment from thermal overload is a mechanical reset function to restore the contact position 95-96 in its original position (connect in normal circumstances) and contact 97-98 (open under normal circumstances).<\/span> <span class=\"notranslate\"> After the reset button is pressed, the contacts 95-96 which was originally opened as a result of the load will re-close and contact 97-98 will be re-opened.<\/span> <span class=\"notranslate\"> Another part of the thermal overload is the current limit regulator.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Safety device used on the motor occurs when the load is called the Thermal Over Load Relay (TOR \/ TOL)<\/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":[1628,1632,1637,1636,1633,1634,1629,1630,1635,1631],"class_list":["post-1187","post","type-post","status-publish","format-standard","hentry","category-english","tag-thermal-relay","tag-thermal-relay-definition","tag-thermal-relay-diagram","tag-thermal-relay-flasher","tag-thermal-relay-pdf","tag-thermal-relay-ppt","tag-thermal-relay-switch","tag-thermal-relay-symbol","tag-thermal-relay-uses","tag-thermal-relay-wikipedia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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