{"id":499,"date":"2020-03-07T23:00:33","date_gmt":"2020-03-07T15:00:33","guid":{"rendered":"http:\/\/powerquality.sg\/wordpress\/?p=499"},"modified":"2020-03-08T18:15:40","modified_gmt":"2020-03-08T10:15:40","slug":"voltage-dip-07-03-2020-1900hrs","status":"publish","type":"post","link":"https:\/\/powerquality.sg\/wordpress\/?p=499","title":{"rendered":"Voltage Dip 07\/03\/2020 1900hrs"},"content":{"rendered":"\n<p>Earlier this evening, there was a Transmission-level fault that occurred at approximately 7pm. The following is a waveform captured at 22kV incomer (monitored at L-N), located in the city area.<\/p>\n\n\n\n<p>Here, it suggests that there was a Single-phase fault (L2) and that it originated upstream at higher voltage levels. There were reports of voltage dips from other PQ monitors in other transmission blocks as well.<\/p>\n\n\n\n<p>Update: Suspected fault originated from Genco facilities in the west.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"694\" src=\"http:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/voltage-dip-07032020-1900hrs-1024x694.jpg\" alt=\"\" class=\"wp-image-502\" srcset=\"https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/voltage-dip-07032020-1900hrs-1024x694.jpg 1024w, https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/voltage-dip-07032020-1900hrs-300x203.jpg 300w, https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/voltage-dip-07032020-1900hrs-768x521.jpg 768w, https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/voltage-dip-07032020-1900hrs.jpg 1220w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>Voltage Dip 7\/3\/2020 1900hrs<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"648\" src=\"http:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/LL-trend-07032020-1900hrs-1024x648.jpg\" alt=\"\" class=\"wp-image-509\" srcset=\"https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/LL-trend-07032020-1900hrs-1024x648.jpg 1024w, https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/LL-trend-07032020-1900hrs-300x190.jpg 300w, https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/LL-trend-07032020-1900hrs-768x486.jpg 768w, https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2020\/03\/LL-trend-07032020-1900hrs.jpg 1316w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>22kV L-L RMS Trend<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Earlier this evening, there was a Transmission-level fault that occurred at approximately 7pm. The following is a waveform captured at 22kV incomer (monitored at L-N), located in the city area. Here, it suggests that there was a Single-phase fault (L2) and that it originated upstream at higher voltage levels. There were reports of voltage dips [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":204,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_newsletter_tier_id":0,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[10],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/powerquality.sg\/wordpress\/wp-content\/uploads\/2014\/03\/fig1-definition.png","jetpack_shortlink":"https:\/\/wp.me\/p41TEZ-83","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/499"}],"collection":[{"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=499"}],"version-history":[{"count":5,"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/499\/revisions"}],"predecessor-version":[{"id":512,"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/499\/revisions\/512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=\/wp\/v2\/media\/204"}],"wp:attachment":[{"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/powerquality.sg\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}