{"id":2143,"date":"2021-09-28T07:51:20","date_gmt":"2021-09-28T07:51:20","guid":{"rendered":"https:\/\/www.nplindia.org\/?page_id=2143"},"modified":"2025-12-11T10:49:42","modified_gmt":"2025-12-11T10:49:42","slug":"ac-power-energy-metrology-section","status":"publish","type":"page","link":"https:\/\/www.nplindia.in\/index.php\/science-technology\/electrical-electronics-metrology-division\/ac-power-energy-metrology-section\/","title":{"rendered":"AC Power &#038; Energy Metrology"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2143\" class=\"elementor elementor-2143\">\n\t\t\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-0d08050 elementor-section-full_width elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"4792\" data-id=\"0d08050\" data-element_type=\"section\">\n\t\t\t\t\t\t<div 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elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"60806\" data-id=\"6eee7c7\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-8b75a1a jltma-glass-effect-no\" data-eae-slider=\"16385\" data-id=\"8b75a1a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3ac131a elementor-widget-tablet__width-auto elementor-widget-mobile__width-auto jltma-glass-effect-no elementor-widget elementor-widget-image\" data-id=\"3ac131a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/01\/CSIR-removebg-preview-150x150.png\" class=\"attachment-thumbnail size-thumbnail wp-image-24151\" alt=\"\" srcset=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/01\/CSIR-removebg-preview-150x150.png 150w, https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/01\/CSIR-removebg-preview-300x300.png 300w, https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/01\/CSIR-removebg-preview.png 500w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-9e41c9f jltma-glass-effect-no\" data-eae-slider=\"77676\" data-id=\"9e41c9f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21388ae jltma-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"21388ae\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center; font-size: 43px; font-family: Arial Rounded MT Bold;\"><span style=\"color: #ffffff;\">\u0938\u0940\u090f\u0938\u0906\u0908\u0906\u0930-\u0930\u093e\u0937\u094d\u091f\u094d\u0930\u0940\u092f \u092d\u094c\u0924\u093f\u0915 \u092a\u094d\u0930\u092f\u094b\u0917\u0936\u093e\u0932\u093e<\/span><\/p><p style=\"text-align: center; font-size: 40px; font-family: Cooper Black;\"><span style=\"color: #ffffff;\"><span style=\"text-decoration: none;\">CSIR-National Physical Laborator<\/span>y<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-2044372 jltma-glass-effect-no\" data-eae-slider=\"7436\" data-id=\"2044372\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eb96210 jltma-glass-effect-no elementor-widget elementor-widget-image\" data-id=\"eb96210\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2021\/12\/npl-1-150x150.png\" class=\"attachment-thumbnail size-thumbnail wp-image-39141\" alt=\"\" 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elementor-element elementor-element-02588f0 jltma-glass-effect-no\" data-eae-slider=\"24370\" data-id=\"02588f0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-30af71b hfe-nav-menu__align-left hfe-submenu-icon-arrow hfe-submenu-animation-none hfe-link-redirect-child hfe-nav-menu__breakpoint-tablet jltma-glass-effect-no elementor-widget elementor-widget-navigation-menu\" data-id=\"30af71b\" data-element_type=\"widget\" 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data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9261780 jltma-glass-effect-no\" data-eae-slider=\"99291\" data-id=\"9261780\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4eb11b4 jltma-glass-effect-no elementor-widget elementor-widget-heading\" data-id=\"4eb11b4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">AC Power &amp; Energy Metrology<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-a13a60e elementor-section-boxed elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"79745\" data-id=\"a13a60e\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-aecbe29 jltma-glass-effect-no\" data-eae-slider=\"44698\" data-id=\"aecbe29\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-17d28ed jltma-glass-effect-no elementor-widget elementor-widget-accordion\" data-id=\"17d28ed\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2491\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2491\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"elementor-icons eicon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">About<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2491\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2491\"><p style=\"text-align: justify;\">The AC power &amp; Energy Metrology section of CSIR-National Physical laboratory is responsible to maintain national standard of ac power and energy and disseminating traceability through calibration services (discussed below) to the government bodies, power sectors, meter manufactures and end users at par with world leading National Metrology Institutes (NMIs). Energy meter plays crucial role in monitoring, control and management of flow of energy. Testing of energy is essential right from its designing stage to the installation at the field. The laboratory also provides apex level testing facility to the industries for all types of energy meters including DLMS\/ Smart Energy Meters.<\/p><p><a href=\"https:\/\/www.dlms.com\/member-profile\/?id=CSIR-National-Physical-Laboratory_994\" target=\"_blank\" rel=\"noopener\">CSIR-NPL is the member of DLMS User Associations.<\/a><\/p><p><i>( <a href=\"https:\/\/www.dlms.com\/member-profile\/?id=CSIR-National-Physical-Laboratory_994\" target=\"_blank\" rel=\"noopener\">https:\/\/www.dlms.com\/member-profile\/?id=CSIR-National-Physical-Laboratory_994 <\/a>)<\/i><\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2492\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2492\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"elementor-icons eicon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Metrological Services<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2492\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2492\"><p><style>\n    .container {<br \/>      display: flex;<br \/>      align-items: flex-start; \/* Ensures text starts from the top *\/<br \/>      gap: 10px; \/* Adds space between the text and image *\/<br \/>    }<\/p>\n<p>    .image-container {<br \/>      text-align: center;<br \/>    }<\/p>\n<p>    .image-container img {<br \/>      width: 500px; \/* Adjust width *\/<br \/>      height: 150px; \/* Adjust height *\/<br \/>      object-fit: cover; \/* Ensures the image retains proportion *\/<br \/>margin-right: 215px;<br \/>margin-left: 5px;<br \/>    }<\/p>\n<p>    .image-caption {<br \/>      font-size: 12px;<br \/>      color: gray;<br \/>      margin-top: 5px;<br \/>    }<br \/>  <\/style><\/p><div class=\"container\"><p><!-- Text section --><\/p><div class=\"text\"><p style=\"text-align: justify;\"><b>Calibration Service<\/b>: CSIR-NPL provides apex level calibration services for power and energy measurements. And disseminate measurement traceability for Power &amp; Energy parameters throughout the country. The methods and procedure used in the measurements are internationally recognized at par with other leading NMIs. The laboratory also periodically validates its own measurement capabilities and operation procedures by participating in international comparison. The scope of measurement is discussed below:<\/p><\/div><p><!-- Image with caption section --><\/p><div class=\"image-container\"><p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/10\/precision_power_calibration_system.jpg\" alt=\"precision_power_calibration_system\" \/><\/p><div class=\"image-caption\">Precision Power Calibration System<\/div><\/div><\/div><p><style>\n    body {<br \/>      font-family: Arial, sans-serif;<br \/>      margin: 20px;<br \/>    }<\/p>\n<p>    table {<br \/>      width: 95%;<br \/>      border-collapse: collapse;<br \/>      margin: 0 auto;<br \/>    }<\/p>\n<p>    th, td {<br \/>      border: 1px solid black;<br \/>      padding: 10px;<br \/>      text-align: center;<br \/>    }<\/p>\n<p>    @media (max-width: 768px) {<br \/>      table {<br \/>        width: 100%;<br \/>      }<\/p>\n<p>      td {<br \/>        word-wrap: break-word;<br \/>      }<br \/>    }<br \/>  <\/style><\/p><p><!-- <\/p>\n<h6 style=\"text-align: justify;\">Measurement Parameters and Uncertainties<\/h6>\n<p> --><\/p><table><thead><tr><th rowspan=\"2\" width=\"15%\"><b>Parameter<\/b><\/th><th rowspan=\"2\" width=\"31%\"><b>Range<\/b><\/th><th colspan=\"2\"><b>Expanded Uncertainty<\/b> (<em>k<\/em>=2)<\/th><\/tr><tr><th width=\"26%\"><b>Single Phase<\/b><\/th><th width=\"26%\"><b>Three Phase<\/b><\/th><\/tr><\/thead><tbody><tr><td>Active Power<\/td><td>10 V to 576 V<br \/>10 mA to 120 A<br \/>PF: 0.01 (lag\/lead) to 1.0<\/td><td>50 to 70 \u00b5W\/VA (40 to 70 Hz)<br \/>70 to 300 \u00b5W\/VA (70 to 400 Hz)<\/td><td>65 to 150 \u00b5W\/VA (40 to 70 Hz)<\/td><\/tr><tr><td>Apparent Power<\/td><td>10 V to 576 V<br \/>10 mA to 120 A<br \/>40 to 70 Hz<br \/>PF: 0.01 (lag\/lead) to 1.0<\/td><td>80 to 150 \u00b5W\/VA (40 to 70 Hz)<\/td><td>80 to 150 \u00b5VA\/VA (40 to 70 Hz)<\/td><\/tr><tr><td>Reactive Power<\/td><td>10 V to 576 V<br \/>10 mA to 120 A<br \/>40 to 70 Hz<br \/>PF: 0.01 (lag\/lead) to 1.0<\/td><td>90 to 150 \u00b5W\/VA (40 to 70 Hz)<\/td><td>90 to 150 \u00b5var\/VA (40 to 70 Hz)<\/td><\/tr><tr><td>Active Energy<\/td><td>30 V to 576 V<br \/>10 mA to 120 A<br \/>PF: 0.25 (lag\/lead) to 1.0<\/td><td>50 to 70 \u00b5W\/VA (40 to 70 Hz)<br \/>70 to 300 \u00b5W\/VA (70 to 400 Hz)<\/td><td>65 to 150 \u00b5Ws\/VA (40 to 70 Hz)<\/td><\/tr><tr><td>Apparent Energy<\/td><td>30 V to 576 V<br \/>10 mA to 120 A<br \/>40 to 70 Hz<br \/>PF: 0.25 (lag\/lead) to 1.0<\/td><td>80 to 150 \u00b5W\/VA (40 to 70 Hz)<\/td><td>80 to 150 \u00b5VAs\/VA (40 to 70 Hz)<\/td><\/tr><tr><td>Reactive Energy<\/td><td>30 V to 576 V<br \/>10 mA to 120 A<br \/>40 to 70 Hz<br \/>PF: 0.25 (lag\/lead) to 1.0<\/td><td>90 to 150 \u00b5W\/VA (40 to 70 Hz)<\/td><td>90 to 150 \u00b5vars\/VA (40 to 70 Hz)<\/td><\/tr><\/tbody><\/table><p><style>\n    .container {<br \/>      display: flex;<br \/>      align-items: flex-start; \/* Ensures text starts from the top *\/<br \/>      gap: 10px; \/* Adds space between the text and image *\/<br \/>    }<\/p>\n<p>    .image-container {<br \/>      text-align: center;<br \/>    }<\/p>\n<p>    .image-container img {<br \/>      width: 350px; \/* Adjust width *\/<br \/>      height: 250px; \/* Adjust height *\/<br \/>      object-fit: cover; \/* Ensures the image retains proportion *\/<br \/>margin-right: 215px;<br \/>margin-left: 5px;<br \/>    }<\/p>\n<p>    .image-caption {<br \/>      font-size: 12px;<br \/>      color: gray;<br \/>      margin-top: 5px;<br \/>    }<br \/>  <\/style><\/p><div class=\"container\"><p><!-- Text section --><\/p><div class=\"text\"><p style=\"text-align: justify;\"><b>Testing Services<\/b>: Energy Meter, kilowatt-hour meter, revenue meter is a device that is used for measurement of electrical energy and keeps the record of consumption of energy by the consumer. Energy meters are important part of Electrical Grid System, which is used for recording, monitoring, controlling and management of energy. Testing of energy is meters is essential to cater various demands of electrical grid The laboratory is engaged in providing testing services for all types of energy meters as per IEC: 62053-21, IEC: 62053-22, IS: 13779, IS-14697, IS: 13010 and CBIP-88. Energy meters include such as single-phase static watt hr meters, three phase static watt hr meters, whole current and CT\/PT operated, three phase tri-vector energy meters including DLMS and smart energy meters are to be tested before rolling out to the actual field. The test facilities available at CSIR-NPL and scope of testing is discussed below:<\/p><\/div><p><!-- Image with caption section --><\/p><div class=\"image-container\"><p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/10\/Testing_of_Smart_Energy_Meters.jpg\" alt=\"testing_of_smart_energy_meters\" \/><\/p><div class=\"image-caption\">Testing of Smart Energy Meters<\/div><\/div><\/div><p><style>\n    body {<br \/>      font-family: Arial, sans-serif;<br \/>      margin: 20px;<br \/>    }<\/p>\n<p>    table {<br \/>      width: 95%;<br \/>      border-collapse: collapse;<br \/>      margin: 0 auto;<br \/>    }<\/p>\n<p>    th, td {<br \/>      border: 1px solid black;<br \/>      padding: 10px;<br \/>      text-align: center;<br \/>    }<\/p>\n<p>    @media (max-width: 768px) {<br \/>      table {<br \/>        width: 100%;<br \/>      }<\/p>\n<p>      td {<br \/>        word-wrap: break-word;<br \/>      }<br \/>    }<br \/>  <\/style><\/p><h6 style=\"text-align: justify;\">A. Acceptance test as per IS 13779(2020\/1999)<\/h6><table><tbody><tr><td width=\"75\"><b>Sr. No.<\/b><\/td><td width=\"170\"><b>Test<\/b><\/td><td width=\"92\"><b>Clause<\/b><\/td><td width=\"108\"><b>Specifications<\/b><\/td><\/tr><tr><td rowspan=\"3\" width=\"75\">1<\/td><td width=\"170\"><strong>Test of Insulation Properties<\/strong><\/td><td width=\"92\"><p>12.7.6<\/p><\/td><td rowspan=\"13\" width=\"108\"><p>a.c. Static Watthour Meters, Class 1 and 2 \u2014<\/p><p>Specification<\/p><p><strong>Note:<\/strong> All tests are applicable to the single and three phase DLMS and smart energy meters<\/p><\/td><\/tr><tr><td width=\"170\">a.c. high voltage test<\/td><td width=\"92\"><p>12.7.6.3<\/p><\/td><\/tr><tr><td width=\"170\">Insulation test<\/td><td width=\"92\"><p>12.7.6.4<\/p><\/td><\/tr><tr><td rowspan=\"7\" width=\"75\">2<\/td><td width=\"170\"><strong>Test of Accuracy Requirements<\/strong><\/td><td width=\"92\">\u00a0<\/td><\/tr><tr><td width=\"170\">Test on limits of error<\/td><td width=\"92\"><p>11.1<\/p><\/td><\/tr><tr><td width=\"170\">Test of meter constant<\/td><td width=\"92\"><p>12.15<\/p><\/td><\/tr><tr><td width=\"170\">Test of starting condition<\/td><td width=\"92\"><p>12.14<\/p><\/td><\/tr><tr><td width=\"170\">Test of no-load condition<\/td><td width=\"92\"><p>12.13<\/p><\/td><\/tr><tr><td width=\"170\">Test of repeatability of error<\/td><td width=\"92\"><p>12.17<\/p><\/td><\/tr><tr><td width=\"170\">Test of influence quantities<\/td><td width=\"92\">\u00a0<\/td><\/tr><tr><td rowspan=\"3\" width=\"75\">3<\/td><td width=\"170\"><strong>Test of Electrical Requirement<\/strong><\/td><td width=\"92\">\u00a0<\/td><\/tr><tr><td width=\"170\"><p>Test of power consumption test<\/p><p><strong>\u00a0<\/strong><\/p><\/td><td width=\"92\">12.7.1<\/td><\/tr><tr><td width=\"170\">Test of influence short- time over currents<\/td><td width=\"92\"><p>12.7.3<\/p><\/td><\/tr><\/tbody><\/table><p><style>\n    body {<br \/>      font-family: Arial, sans-serif;<br \/>      margin: 20px;<br \/>    }<\/p>\n<p>    table {<br \/>      width: 95%;<br \/>      border-collapse: collapse;<br \/>      margin: 0 auto;<br \/>    }<\/p>\n<p>    th, td {<br \/>      border: 1px solid black;<br \/>      padding: 10px;<br \/>      text-align: center;<br \/>    }<\/p>\n<p>    @media (max-width: 768px) {<br \/>      table {<br \/>        width: 100%;<br \/>      }<\/p>\n<p>      td {<br \/>        word-wrap: break-word;<br \/>      }<br \/>    }<br \/>  <\/style><\/p><h6 style=\"text-align: justify;\">B. Acceptance test as per IS 14697(2021\/1999)<\/h6><table><tbody><tr><td width=\"75\"><b>Sr. No.<\/b><\/td><td width=\"170\"><b>Test<\/b><\/td><td width=\"92\"><b>Clause<\/b><\/td><td width=\"108\"><b>Specifications<\/b><\/td><\/tr><tr><td rowspan=\"3\" width=\"75\">1<\/td><td width=\"170\"><strong>Test of Insulation Properties<\/strong><\/td><td width=\"92\"><p>12.7.6<\/p><\/td><td rowspan=\"13\" width=\"108\"><p>ac Static Transformer Operated ,<\/p><p>WATTHOUR AND VAR-HOUR METERS,<\/p><p>CLASS 0.2S AND 0.5S-Specification<\/p><p><strong>Note:<\/strong> All tests are applicable to DLMS and smart energy meters<\/p><\/td><\/tr><tr><td width=\"170\">a.c. high voltage test<\/td><td width=\"92\"><p>12.7.6.3<\/p><\/td><\/tr><tr><td width=\"170\">Insulation test<\/td><td width=\"92\"><p>12.7.6.4<\/p><\/td><\/tr><tr><td rowspan=\"7\" width=\"75\">2<\/td><td width=\"170\"><strong>Test of Accuracy Requirements<\/strong><\/td><td width=\"92\">\u00a0<\/td><\/tr><tr><td width=\"170\">Test on limits of error<\/td><td width=\"92\"><p>11.1<\/p><\/td><\/tr><tr><td width=\"170\">Test of meter constant<\/td><td width=\"92\"><p>12.14<\/p><\/td><\/tr><tr><td width=\"170\">Test of starting condition<\/td><td width=\"92\"><p>12.13<\/p><\/td><\/tr><tr><td width=\"170\">Test of no-load condition<\/td><td width=\"92\"><p>12.12<\/p><\/td><\/tr><tr><td width=\"170\">Test of repeatability of error<\/td><td width=\"92\"><p>12.16<\/p><\/td><\/tr><tr><td width=\"170\">Test of influence quantities<\/td><td width=\"92\">\u00a0<\/td><\/tr><tr><td rowspan=\"3\" width=\"75\">3<\/td><td width=\"170\"><strong>Test of Electrical Requirement<\/strong><\/td><td width=\"92\">\u00a0<\/td><\/tr><tr><td width=\"170\"><p>Test of power consumption test<\/p><p><strong>\u00a0<\/strong><\/p><\/td><td width=\"92\">12.7.1<\/td><\/tr><tr><td width=\"170\">Test of influence short- time over currents<\/td><td width=\"92\"><p>12.7.3<\/p><\/td><\/tr><\/tbody><\/table><p><style>\n    body {<br \/>      font-family: Arial, sans-serif;<br \/>      margin: 20px;<br \/>    }<\/p>\n<p>    table {<br \/>      width: 95%;<br \/>      border-collapse: collapse;<br \/>      margin: 0 auto;<br \/>    }<\/p>\n<p>    th, td {<br \/>      border: 1px solid black;<br \/>      padding: 10px;<br \/>      text-align: center;<br \/>    }<\/p>\n<p>    @media (max-width: 768px) {<br \/>      table {<br \/>        width: 100%;<br \/>      }<\/p>\n<p>      td {<br \/>        word-wrap: break-word;<br \/>      }<br \/>    }<br \/>  <\/style><\/p><h6 style=\"text-align: justify;\">C. Test of influence quantities and Anti tamper Test<\/h6><table><tbody><tr><td width=\"93\"><b>Sr. No.<\/b><\/td><td width=\"180\"><b>Test Name<\/b><\/td><td width=\"280\"><b>Tests<\/b><\/td><\/tr><tr><td width=\"93\">1<\/td><td width=\"180\">Test of influence quantities:<\/td><td width=\"280\">Influence of voltage variation, frequency variation, phase sequence, 3rd harmonics and 5th harmonics, voltage unbalance should not affect accuracy class of meter as per standard specifications<\/td><\/tr><tr><td width=\"93\">2<\/td><td width=\"180\">Test of influence of AC\/DC magnetic inductions<\/td><td width=\"280\">CBIP 325 Guidelines<\/td><\/tr><tr><td width=\"93\">3<\/td><td width=\"180\">Tamper and fraud protection Tests<\/td><td width=\"280\"><p>Single Phase Energy Meter and<\/p><p>Three \u00a0Phase Energy Meter as per customer requirements<\/p><\/td><\/tr><\/tbody><\/table><p><style>\n    body {<br \/>      font-family: Arial, sans-serif;<br \/>      margin: 20px;<br \/>    }<\/p>\n<p>    table {<br \/>      width: 95%;<br \/>      border-collapse: collapse;<br \/>      margin: 0 auto;<br \/>    }<\/p>\n<p>    th, td {<br \/>      border: 1px solid black;<br \/>      padding: 10px;<br \/>      text-align: center;<br \/>    }<\/p>\n<p>    @media (max-width: 768px) {<br \/>      table {<br \/>        width: 100%;<br \/>      }<\/p>\n<p>      td {<br \/>        word-wrap: break-word;<br \/>      }<br \/>    }<br \/>  <\/style><\/p><h6 style=\"text-align: justify;\">D.Test for Data Exchange For Electricity Meter Reading, Tariff And Load Control-Companion Specification(IEC 62056)<\/h6><table width=\"526\"><tbody><tr><td width=\"53\"><p><strong>Sr. \u00a0No.<\/strong><\/p><p>(1)<\/p><\/td><td width=\"282\"><p><b>Compliance Test<\/b><\/p><p>IS 15959 (part 1 2011)\/ IS 15959 (part 2 2016)<\/p><\/td><td width=\"191\"><span><b>Specifications<\/b><\/span><\/td><\/tr><tr><td width=\"53\">1.0<\/td><td width=\"282\">Conformance to DLMS\/COSEM (IEC 62056)<\/td><td rowspan=\"26\" width=\"191\"><p><strong>Annexure <\/strong>K-1 (a) of\u00a0 IS 15959 (part 1 2011)<\/p><p><strong>Note: Testing will be done on latest CTT Compliance test tool of version 4.x\u00a0 supported DLMS\/Smart Energy Meters<\/strong><\/p><p><strong>\u00a0<\/strong><\/p><p><strong>\u00a0<\/strong><\/p><p><strong>Note:<\/strong> All tests are applicable to the single and three phase DLMS as well smart energy meters.<\/p><\/td><\/tr><tr><td rowspan=\"25\" width=\"53\">2.0<\/td><td width=\"282\">Parameter verification: such as<\/td><\/tr><tr><td width=\"282\">SNRM\/UA<\/td><\/tr><tr><td width=\"282\">Object list download<\/td><\/tr><tr><td width=\"282\">Association properties<\/td><\/tr><tr><td width=\"282\">Simultaneous operation<\/td><\/tr><tr><td width=\"282\">Security:<\/td><\/tr><tr><td width=\"282\">Lowest level security secret<\/td><\/tr><tr><td width=\"282\">Low level security (LLS) secret<\/td><\/tr><tr><td width=\"282\">High level security (HLS) secret<\/td><\/tr><tr><td width=\"282\">Instantaneous parameters<\/td><\/tr><tr><td width=\"282\">Snap shot of instantaneous parameters<\/td><\/tr><tr><td width=\"282\">Scaler profile<\/td><\/tr><tr><td width=\"282\">Block load profile PParameters<\/td><\/tr><tr><td width=\"282\">Selective access by range for block load profile<\/td><\/tr><tr><td width=\"282\">Name plate details<\/td><\/tr><tr><td width=\"282\">Programmable parameters<\/td><\/tr><tr><td width=\"282\">Event code and event logging:<\/td><\/tr><tr><td width=\"282\">Indian event reference table &#8211; Voltage related<\/td><\/tr><tr><td width=\"282\">Indian event reference table &#8211; Current related<\/td><\/tr><tr><td width=\"282\">Indian event reference table &#8211; Power related<\/td><\/tr><tr><td width=\"282\">Indian event reference table &#8211; Transaction related<\/td><\/tr><tr><td width=\"282\">Indian event reference table &#8211; Other<\/td><\/tr><tr><td width=\"282\">Indian event reference table &#8211; Non roll over<\/td><\/tr><tr><td width=\"282\">Indian event reference table &#8211; Control<\/td><\/tr><tr><td width=\"282\">Selective access by Entry for event log profile<\/td><\/tr><\/tbody><\/table><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2493\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2493\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"elementor-icons eicon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Team & Contact Details<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2493\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2493\"><p><strong>Mr. J.C Biswas<\/strong><br \/>Chief Scientist &amp; Head <br \/>AC Power &amp; Energy Metrology Section<br \/><span style=\"text-decoration: underline;\">Email<\/span>: jcbiswas<span>.nplindia@csir.res.in\u00a0<\/span><br \/><span style=\"text-decoration: underline;\">Phone<\/span>: 011-4234-2427<\/p><ul><li><a href=\"\/wp-content\/uploads\/2022\/08\/atul_somkuwar@nplindia.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Sh. Atul Suresh Somkuwar<\/strong><\/a> <br \/>Senior Scientist &amp; Deputy Head <br \/>AC Power &amp; Energy Metrology <br \/><span style=\"text-decoration: underline;\">Email<\/span>: assomkuwar<span>.nplindia@csir.res.in\u00a0<\/span><br \/><span style=\"text-decoration: underline;\">Phone<\/span>: 011-4234-2427<\/li><li><strong>Dr. Monika<\/strong><br \/>Scientist<\/li><li><strong>Sh. Anish Mahavir Bhargav<br \/><\/strong>Senior Technical Officer (2)<\/li><li><strong>Sh. Rajeev Sharma<\/strong><br \/>Senior Technical Officer (3)<\/li><li><strong>Sh. Anoop Singh Yadav<\/strong><br \/>Technical Officer<br \/><span style=\"text-decoration: underline;\">Email<\/span>: asyadav47<span>.nplindia@csir.res.in\u00a0<\/span><\/li><li><strong>Sh. Bachchu Singh<\/strong><br \/>Senior Technician (2)<\/li><li><strong>Sh. Praveen Kumar<\/strong><br \/>Technician (2)<\/li><li><strong>Sh. Prakash Singh<\/strong><br \/>Lab Attendant <br \/><span style=\"text-decoration: underline;\">Email<\/span>: prakashsingh878<span>.nplindia@csir.res.in\u00a0<\/span><\/li><\/ul><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-424cbd6 elementor-section-full_width elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"36633\" data-id=\"424cbd6\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c720030 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