{"id":419,"date":"2025-09-08T13:57:45","date_gmt":"2025-09-08T10:57:45","guid":{"rendered":"https:\/\/energostar.net\/?page_id=419"},"modified":"2026-03-14T01:07:56","modified_gmt":"2026-03-13T22:07:56","slug":"calculator","status":"publish","type":"page","link":"https:\/\/energostar.net\/en\/calculator\/","title":{"rendered":"Calculator"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"419\" class=\"elementor elementor-419\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8bfc00b e-flex e-con-boxed e-con e-parent\" data-id=\"8bfc00b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb8a2ad elementor-widget elementor-widget-shortcode\" data-id=\"bb8a2ad\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">    <div class=\"es-motor-calculator\" data-es-motor-calculator=\"1\" data-aos=\"fade-up\" data-aos-duration=\"600\">\n      <h3 data-aos=\"fade-down\" data-aos-duration=\"500\">Motor Efficiency Calculator<\/h3>\n      <div class=\"es-motor-calculator__columns\">\n                  <div class=\"es-motor-calculator__column\" data-motor=\"new\" data-aos=\"fade-up\"\n            data-aos-delay=\"100\" data-aos-duration=\"600\">\n            <h4>New motor<\/h4>\n                          <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\" data-aos-delay=\"50\"\n                data-aos-duration=\"500\">\n                <span>Power P [kW]<\/span>\n                <input type=\"number\" data-field=\"power\" step=\"0.1\" value=\"11\" \/>\n              <\/label>\n                          <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\" data-aos-delay=\"100\"\n                data-aos-duration=\"500\">\n                <span>Speed V [rpm]<\/span>\n                <input type=\"number\" data-field=\"rpm\" step=\"1\" value=\"2925\" \/>\n              <\/label>\n                          <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\" data-aos-delay=\"150\"\n                data-aos-duration=\"500\">\n                <span>cos\u03c6<\/span>\n                <input type=\"number\" data-field=\"cosphi\" step=\"0.01\" min=\"0\" max=\"1\" value=\"0.85\" \/>\n              <\/label>\n                          <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\" data-aos-delay=\"200\"\n                data-aos-duration=\"500\">\n                <span>Efficiency \u03b7 [%]<\/span>\n                <input type=\"number\" data-field=\"efficiency\" step=\"0.1\" min=\"0\" max=\"100\" value=\"91.2\" \/>\n              <\/label>\n                      <\/div>\n                  <div class=\"es-motor-calculator__column\" data-motor=\"old\" data-aos=\"fade-up\"\n            data-aos-delay=\"200\" data-aos-duration=\"600\">\n            <h4>Old motor<\/h4>\n                          <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\" data-aos-delay=\"250\"\n                data-aos-duration=\"500\">\n                <span>Power P [kW]<\/span>\n                <input type=\"number\" data-field=\"power\" step=\"0.1\" value=\"11\" \/>\n              <\/label>\n                          <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\" data-aos-delay=\"300\"\n                data-aos-duration=\"500\">\n                <span>Speed V [rpm]<\/span>\n                <input type=\"number\" data-field=\"rpm\" step=\"1\" value=\"2930\" \/>\n              <\/label>\n                          <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\" data-aos-delay=\"350\"\n                data-aos-duration=\"500\">\n                <span>cos\u03c6<\/span>\n                <input type=\"number\" data-field=\"cosphi\" step=\"0.01\" min=\"0\" max=\"1\" value=\"0.89\" \/>\n              <\/label>\n                          <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\" data-aos-delay=\"400\"\n                data-aos-duration=\"500\">\n                <span>Efficiency \u03b7 [%]<\/span>\n                <input type=\"number\" data-field=\"efficiency\" step=\"0.1\" min=\"0\" max=\"100\" value=\"87.6\" \/>\n              <\/label>\n                      <\/div>\n              <\/div>\n\n      <div class=\"es-motor-calculator__results\" data-aos=\"fade-left\" data-aos-duration=\"700\">\n        <h3>Results<\/h3>\n        <table>\n          <thead>\n            <tr>\n              <th>Indicator<\/th>\n              <th>New<\/th>\n              <th>Old<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n                          <tr>\n                <td>Apparent power S [kVA]<\/td>\n                <td>\n                  <span data-result=\"sapparent-new\" data-decimals=\"2\">\n                    14.19                  <\/span>\n                <\/td>\n                <td>\n                  <span data-result=\"sapparent-old\" data-decimals=\"2\">\n                    14.11                  <\/span>\n                <\/td>\n              <\/tr>\n                          <tr>\n                <td>Reactive power Q [kVAr]<\/td>\n                <td>\n                  <span data-result=\"qreactive-new\" data-decimals=\"2\">\n                    7.47                  <\/span>\n                <\/td>\n                <td>\n                  <span data-result=\"qreactive-old\" data-decimals=\"2\">\n                    6.43                  <\/span>\n                <\/td>\n              <\/tr>\n                          <tr>\n                <td>Active power P [kW]<\/td>\n                <td>\n                  <span data-result=\"pactive-new\" data-decimals=\"2\">\n                    12.06                  <\/span>\n                <\/td>\n                <td>\n                  <span data-result=\"pactive-old\" data-decimals=\"2\">\n                    12.56                  <\/span>\n                <\/td>\n              <\/tr>\n                          <tr>\n                <td>Energy consumption [kWh]<\/td>\n                <td>\n                  <span data-result=\"pusage-new\" data-decimals=\"2\">\n                    12.06                  <\/span>\n                <\/td>\n                <td>\n                  <span data-result=\"pusage-old\" data-decimals=\"2\">\n                    12.56                  <\/span>\n                <\/td>\n              <\/tr>\n                      <\/tbody>\n        <\/table>\n      <\/div>\n\n      <div class=\"es-motor-calculator__metrics\">\n                  <div class=\"es-motor-calculator__metric\" data-aos=\"zoom-in\"\n            data-aos-delay=\"100\" data-aos-duration=\"600\">\n            <span class=\"es-motor-calculator__metric-title\">Speed change [%]<\/span>\n                        <span class=\"es-motor-calculator__metric-value\" data-result=\"productivity\" data-decimals=\"2\"\n              data-unit=\"%\">\n              -0.17            <\/span>\n          <\/div>\n                  <div class=\"es-motor-calculator__metric\" data-aos=\"zoom-in\"\n            data-aos-delay=\"200\" data-aos-duration=\"600\">\n            <span class=\"es-motor-calculator__metric-title\">Reactive power reduction [%]<\/span>\n                        <span class=\"es-motor-calculator__metric-value\" data-result=\"qdiff\" data-decimals=\"2\"\n              data-unit=\"%\">\n              -16.19            <\/span>\n          <\/div>\n                  <div class=\"es-motor-calculator__metric\" data-aos=\"zoom-in\"\n            data-aos-delay=\"300\" data-aos-duration=\"600\">\n            <span class=\"es-motor-calculator__metric-title\">Active power savings [%]<\/span>\n                        <span class=\"es-motor-calculator__metric-value\" data-result=\"economy\" data-decimals=\"2\"\n              data-unit=\"%\">\n              3.95            <\/span>\n          <\/div>\n              <\/div>\n\n      <div class=\"es-motor-calculator__savings\" data-aos=\"fade-right\" data-aos-duration=\"700\">\n        <h3>Energy savings<\/h3>\n        <div class=\"es-motor-calculator__savings-grid\">\n                      <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\"\n              data-aos-delay=\"100\" data-aos-duration=\"600\">\n              <span>Energy price (\u20ac\/kWh)<\/span>\n              <input type=\"number\" data-usage=\"price\" step=\"0.01\"\n                value=\"0.22\" \/>\n            <\/label>\n                      <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\"\n              data-aos-delay=\"200\" data-aos-duration=\"600\">\n              <span>Operating hours per day<\/span>\n              <input type=\"number\" data-usage=\"hours_per_day\" step=\"0.1\"\n                value=\"20\" \/>\n            <\/label>\n                      <label class=\"es-motor-calculator__field\" data-aos=\"fade-up\"\n              data-aos-delay=\"300\" data-aos-duration=\"600\">\n              <span>Working days per week<\/span>\n              <input type=\"number\" data-usage=\"workdays_per_week\" step=\"0.1\"\n                value=\"7\" \/>\n            <\/label>\n                  <\/div>\n        <div class=\"es-motor-calculator__metrics\">\n                      <div class=\"es-motor-calculator__metric\" data-aos=\"flip-left\"\n              data-aos-delay=\"100\" data-aos-duration=\"600\">\n              <span class=\"es-motor-calculator__metric-title\">Annual operating time [h]<\/span>\n                            <span class=\"es-motor-calculator__metric-value\" data-result=\"yearly-hours\"\n                data-decimals=\"0\" data-unit=\"h\">\n                7300              <\/span>\n            <\/div>\n                      <div class=\"es-motor-calculator__metric\" data-aos=\"flip-left\"\n              data-aos-delay=\"200\" data-aos-duration=\"600\">\n              <span class=\"es-motor-calculator__metric-title\">Annual savings [kWh]<\/span>\n                            <span class=\"es-motor-calculator__metric-value\" data-result=\"annual-saving\"\n                data-decimals=\"0\" data-unit=\"kWh\">\n                3618              <\/span>\n            <\/div>\n                      <div class=\"es-motor-calculator__metric\" data-aos=\"flip-left\"\n              data-aos-delay=\"300\" data-aos-duration=\"600\">\n              <span class=\"es-motor-calculator__metric-title\">Annual costs (new) [\u20ac]<\/span>\n                            <span class=\"es-motor-calculator__metric-value\" data-result=\"annual-payment-new\"\n                data-decimals=\"2\" data-unit=\"\u20ac\">\n                19370.61              <\/span>\n            <\/div>\n                      <div class=\"es-motor-calculator__metric\" data-aos=\"flip-left\"\n              data-aos-delay=\"400\" data-aos-duration=\"600\">\n              <span class=\"es-motor-calculator__metric-title\">Annual costs (old) [\u20ac]<\/span>\n                            <span class=\"es-motor-calculator__metric-value\" data-result=\"annual-payment-old\"\n                data-decimals=\"2\" data-unit=\"\u20ac\">\n                20166.67              <\/span>\n            <\/div>\n                      <div class=\"es-motor-calculator__metric\" data-aos=\"flip-left\"\n              data-aos-delay=\"500\" data-aos-duration=\"600\">\n              <span class=\"es-motor-calculator__metric-title\">Savings in money [\u20ac]<\/span>\n                            <span class=\"es-motor-calculator__metric-value\" data-result=\"annual-difference\"\n                data-decimals=\"2\" data-unit=\"\u20ac\">\n                796.05              <\/span>\n            <\/div>\n                  <\/div>\n        <button type=\"button\" class=\"es-motor-calculator__info-button\" data-info-toggle data-aos=\"flip-up\"\n          data-aos-delay=\"200\" data-aos-duration=\"500\">\n          What do these fields mean?        <\/button>\n        <div class=\"es-motor-calculator__info\" data-info-panel hidden data-aos=\"fade-in\" data-aos-duration=\"400\">\n          <p>Power P [kW] \u2013 the mechanical work required.<\/p>\n          <p>Speed V [rpm] \u2013 motor speed under load.<\/p>\n          <p>cos\u03c6 \u2013 how efficiently electrical energy is used (the closer to 1, the fewer &quot;parasitic&quot; losses).<\/p>\n          <p>Efficiency \u03b7 [%] \u2013 the share of energy converted into useful work rather than heat.<\/p>\n          <p>Working days per week \u2013 how many days the motor actually runs (taking into account weekends \/ idle time).<\/p>\n        <\/div>\n        <div class=\"es-motor-calculator__print\" data-aos=\"zoom-in\" data-aos-delay=\"300\" data-aos-duration=\"500\">\n          <button type=\"button\" data-print-calculator>Print results<\/button>\n        <\/div>\n      <\/div>\n    <\/div>\n    <\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_post_transparent":"","_kad_post_title":"hide","_kad_post_layout":"fullwidth","_kad_post_sidebar_id":"","_kad_post_content_style":"unboxed","_kad_post_vertical_padding":"hide","_kad_post_feature":"hide","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"class_list":["post-419","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/energostar.net\/en\/wp-json\/wp\/v2\/pages\/419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/energostar.net\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/energostar.net\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/energostar.net\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/energostar.net\/en\/wp-json\/wp\/v2\/comments?post=419"}],"version-history":[{"count":34,"href":"https:\/\/energostar.net\/en\/wp-json\/wp\/v2\/pages\/419\/revisions"}],"predecessor-version":[{"id":7811,"href":"https:\/\/energostar.net\/en\/wp-json\/wp\/v2\/pages\/419\/revisions\/7811"}],"wp:attachment":[{"href":"https:\/\/energostar.net\/en\/wp-json\/wp\/v2\/media?parent=419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}