{"id":1083,"date":"2022-06-07T23:15:09","date_gmt":"2022-06-07T14:15:09","guid":{"rendered":"http:\/\/www.yjelev.com\/en\/?page_id=1083"},"modified":"2022-06-17T21:16:24","modified_gmt":"2022-06-17T12:16:24","slug":"power-recall-unit","status":"publish","type":"page","link":"http:\/\/www.yjelev.com\/en\/power-recall-unit\/","title":{"rendered":"Power regenerative unit"},"content":{"rendered":"<section class=\"l-section wpb_row height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div id=\"ultimate-heading-429069eaf52936bed\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-429069eaf52936bed uvc-1148 \" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-429069eaf52936bed h2'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h2 style=\"font-weight:normal;\">Power regenerative unit<\/h2><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-menu us_custom_2e17ebaf subgaro2 layout_hor style_blocks us_menu_1\" style=\"--main-ver-indent:0.65em;\" id=\"subgaro2\"><ul id=\"menu-leftmenu4_eco\" class=\"menu\"><li id=\"menu-item-1187\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1187\"><a href=\"http:\/\/www.yjelev.com\/en\/reduction-of-standby-power\/\">Standby power saving device<\/a><\/li><li id=\"menu-item-1188\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1188\"><a href=\"http:\/\/www.yjelev.com\/en\/power-recall-unit\/\">Power regenerative unit<\/a><\/li><li id=\"menu-item-1186\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1186\"><a href=\"http:\/\/www.yjelev.com\/en\/air-cleaner\/\">Air cleaner<\/a><\/li><\/ul><style>.us_menu_1 .menu>li>a{background:rgba(51,51,51,0.65)}.us_menu_1 .menu>li>a{color:#ffffff}.us_menu_1 .menu>.menu-item:not(.current-menu-item)>a:hover{background:rgba(191,19,20,0.65)}.us_menu_1 .menu>.menu-item:not(.current-menu-item)>a:hover{color:rgba(255,255,255,0.90)}.us_menu_1 .menu>.current-menu-item>a{background:rgba(0,117,191,0.90)}.us_menu_1 .menu>.current-menu-item>a{color:rgba(255,255,255,0.90)}@media ( max-width:600px ){.us_menu_1 .menu{display:block!important}.us_menu_1 .menu>li{margin:0 0 var(--main-gap,0)!important}}<\/style><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container has_bg_color\"><div class=\"vc_column-inner us_custom_a4c6c2d5\"><div class=\"vc_column-overlay\" style=\"background:rgba(26,26,26,0.40)\"><\/div><div class=\"wpb_wrapper\"><div class=\"w-separator size_huge\"><\/div><h2 class=\"w-text us_custom_9067144b has_text_color\"><span class=\"w-text-h\"><span class=\"w-text-value\">Power Regenerative Unit<\/span><\/span><\/h2><div class=\"wpb_text_column us_custom_02c9bd49 has_text_color\"><div class=\"wpb_wrapper\"><p>Green Elevator Using PRU (Power Regenerative Unit)<\/p>\n<\/div><\/div><div class=\"w-separator size_large\"><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator size_huge\"><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h3 class=\"w-text\"><span class=\"w-text-h\"><span class=\"w-text-value\">What is a power regenerative unit (RPU)?<\/span><\/span><\/h3><\/div><\/div><\/div><div class=\"vc_col-sm-8 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>It is a device that reduces power consumption by converting the power generated in the section where the hoisting motor is regenerated beyond the synchronous speed during elevator operation into commercial power and used for power supply.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator size_huge with_line width_default thick_1 style_solid color_border align_center\"><div class=\"w-separator-h\"><\/div><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h3 class=\"w-text\"><span class=\"w-text-h\"><span class=\"w-text-value\">Principle of operation<\/span><\/span><\/h3><\/div><\/div><\/div><div class=\"vc_col-sm-8 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>When the elevator is lowered to a state heavier than the counterweight (or vice versa), the motor instantaneously operates as a generator, and power consumption is reduced by using the generated power as a power source in other circuits.<\/p>\n<\/div><\/div><div class=\"w-image us_custom_4f2e53ca align_center\"><div class=\"w-image-h\"><img width=\"891\" height=\"457\" src=\"http:\/\/www.yjelev.com\/en\/wp-content\/uploads\/2022\/06\/power-recall-unit01_en.jpg\" class=\"attachment-full size-full\" alt=\"\" loading=\"lazy\" srcset=\"http:\/\/www.yjelev.com\/en\/wp-content\/uploads\/2022\/06\/power-recall-unit01_en.jpg 891w, http:\/\/www.yjelev.com\/en\/wp-content\/uploads\/2022\/06\/power-recall-unit01_en-300x154.jpg 300w\" sizes=\"(max-width: 891px) 100vw, 891px\" \/><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator size_huge with_line width_default thick_1 style_solid color_border align_center\"><div class=\"w-separator-h\"><\/div><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h3 class=\"w-text\"><span class=\"w-text-h\"><span class=\"w-text-value\">Product Features<\/span><\/span><\/h3><\/div><\/div><\/div><div class=\"vc_col-sm-8 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>\u2502Economics\u2502 <span style=\"color: #ff0000;\">Energy saving effect<\/span><br \/>\nReduces power consumption by 20% to 30% by using the electrical energy that is wasted as heat through the resistor as commercial power<\/p>\n<p>\u2502Installability\u2502 <span style=\"color: #ff0000;\">Significant space saving effect<\/span><br \/>\nSignificantly reduced mounting space compared to braking resistance method (about 80%)<\/p>\n<p>\u2502Eco\u2502 <span style=\"color: #ff0000;\">Green Elevator for maximizing energy efficiency<\/span><br \/>\nSuppression of carbon generation through electric power reuse<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator size_huge with_line width_default thick_1 style_solid color_border align_center\"><div class=\"w-separator-h\"><\/div><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h3 class=\"w-text\"><span class=\"w-text-h\"><span class=\"w-text-value\">Annual power saving by power regenerative unit (PRU) capacity<\/span><\/span><\/h3><\/div><\/div><\/div><div class=\"vc_col-sm-8 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column us_custom_0be3e54f\"><div class=\"wpb_wrapper\"><table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<th style=\"width: 14.2857%;\">Capacity(kw)<\/th>\n<th style=\"width: 14.2857%;\">Savings(kwh)<\/th>\n<th style=\"width: 14.2857%;\">Capacity(kw)<\/th>\n<th style=\"width: 14.2857%;\">Savings(kwh)<\/th>\n<th style=\"width: 14.2857%;\">Capacity(kw)<\/th>\n<th style=\"width: 14.2857%;\">Savings(kwh)<\/th>\n<\/tr>\n<tr>\n<td style=\"width: 14.2857%;\">7.5<\/td>\n<td style=\"width: 14.2857%;\">1,448<\/td>\n<td style=\"width: 14.2857%;\">37<\/td>\n<td style=\"width: 14.2857%;\">7,145<\/td>\n<td style=\"width: 14.2857%;\">75<\/td>\n<td style=\"width: 14.2857%;\">14,486<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 14.2857%;\">15<\/td>\n<td style=\"width: 14.2857%;\">2,897<\/td>\n<td style=\"width: 14.2857%;\">45<\/td>\n<td style=\"width: 14.2857%;\">8,690<\/td>\n<td style=\"width: 14.2857%;\">90<\/td>\n<td style=\"width: 14.2857%;\">17,379<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 14.2857%;\">22<\/td>\n<td style=\"width: 14.2857%;\">4,240<\/td>\n<td style=\"width: 14.2857%;\">55<\/td>\n<td style=\"width: 14.2857%;\">10,621<\/td>\n<td style=\"width: 14.2857%;\">110<\/td>\n<td style=\"width: 14.2857%;\">21,241<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator size_huge with_line width_default thick_1 style_solid color_border align_center\"><div class=\"w-separator-h\"><\/div><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h3 class=\"w-text\"><span class=\"w-text-h\"><span class=\"w-text-value\">Circuit configuration<\/span><\/span><\/h3><\/div><\/div><\/div><div class=\"vc_col-sm-8 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-image us_custom_4f2e53ca align_center\"><div class=\"w-image-h\"><img width=\"897\" height=\"550\" src=\"http:\/\/www.yjelev.com\/en\/wp-content\/uploads\/2022\/06\/power-recall-unit03_en.jpg\" class=\"attachment-full size-full\" alt=\"\" loading=\"lazy\" srcset=\"http:\/\/www.yjelev.com\/en\/wp-content\/uploads\/2022\/06\/power-recall-unit03_en.jpg 897w, http:\/\/www.yjelev.com\/en\/wp-content\/uploads\/2022\/06\/power-recall-unit03_en-300x184.jpg 300w\" sizes=\"(max-width: 897px) 100vw, 897px\" \/><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"w-separator size_huge with_line width_default thick_1 style_solid color_border align_center\"><div class=\"w-separator-h\"><\/div><\/div><div class=\"g-cols wpb_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-4 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h3 class=\"w-text\"><span class=\"w-text-h\"><span class=\"w-text-value\">PRU Rating_Specification<\/span><\/span><\/h3><\/div><\/div><\/div><div class=\"vc_col-sm-8 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column us_custom_0be3e54f\"><div class=\"wpb_wrapper\"><table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<th>Type name<\/th>\n<th>LR-4-25NNB<\/th>\n<th>007<\/th>\n<th>015<\/th>\n<th>022<\/th>\n<th>037<\/th>\n<th>045<\/th>\n<\/tr>\n<tr>\n<td rowspan=\"5\">Regularity<\/td>\n<td>Applicable inverter capacity(kw)<\/td>\n<td>7.5<\/td>\n<td>15<\/td>\n<td>22<\/td>\n<td>37<\/td>\n<td>45<\/td>\n<\/tr>\n<tr>\n<td>Rated DC input current(AVG) [A]<\/td>\n<td>12.3<\/td>\n<td>25.5<\/td>\n<td>36<\/td>\n<td>60.2<\/td>\n<td>72.7<\/td>\n<\/tr>\n<tr>\n<td>Rated AC input current(RMS) [A]<\/td>\n<td>13.5<\/td>\n<td>27.5<\/td>\n<td>39.2<\/td>\n<td>64.6<\/td>\n<td>77.9<\/td>\n<\/tr>\n<tr>\n<td>Braking Torque<\/td>\n<td colspan=\"5\">150% 15, 100% 100S, 35%\uc5f0\uc18d\uc6b4\uc804<\/td>\n<\/tr>\n<tr>\n<td>%ED rating<\/td>\n<td colspan=\"5\">25%ED<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">Power<\/td>\n<td>DC input voltage<\/td>\n<td colspan=\"5\">400~800V DC<\/td>\n<\/tr>\n<tr>\n<td>AC voltage<\/td>\n<td colspan=\"5\">380~480V AC 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>Allowable voltage fluctuation rate (Note 1)<\/td>\n<td colspan=\"5\">\u00b110%<\/td>\n<\/tr>\n<tr>\n<td>Allowable frequency change rate<\/td>\n<td colspan=\"5\">\u00b13Hz 300ms (Free phase rotation)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>(Note 1) Allowable voltage fluctuation rate refers to instantaneous fluctuations, not continuous operation.<br \/>\nFor continuous use, please consult our technical staff.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_small\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-separator size_medium\"><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"Power regenerative unitStandby power saving devicePower regenerative unitAir cleanerPower Regenerative Unit Green Elevator Using PRU (Power Regenerative Unit) What is a power regenerative unit (RPU)? It is a device that reduces power consumption by converting the power generated in the section where the hoisting motor is regenerated beyond the synchronous speed during elevator operation into...","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_joinchat":[]},"_links":{"self":[{"href":"http:\/\/www.yjelev.com\/en\/wp-json\/wp\/v2\/pages\/1083"}],"collection":[{"href":"http:\/\/www.yjelev.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.yjelev.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.yjelev.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.yjelev.com\/en\/wp-json\/wp\/v2\/comments?post=1083"}],"version-history":[{"count":6,"href":"http:\/\/www.yjelev.com\/en\/wp-json\/wp\/v2\/pages\/1083\/revisions"}],"predecessor-version":[{"id":3030,"href":"http:\/\/www.yjelev.com\/en\/wp-json\/wp\/v2\/pages\/1083\/revisions\/3030"}],"wp:attachment":[{"href":"http:\/\/www.yjelev.com\/en\/wp-json\/wp\/v2\/media?parent=1083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}