{"id":1482,"date":"2025-11-15T09:41:53","date_gmt":"2025-11-15T09:41:53","guid":{"rendered":"https:\/\/srineevipowercontrols.com\/?page_id=1482"},"modified":"2025-12-03T04:40:58","modified_gmt":"2025-12-03T04:40:58","slug":"ahf1","status":"publish","type":"page","link":"https:\/\/srineevipowercontrols.com\/index.php\/ahf1\/","title":{"rendered":"AHF"},"content":{"rendered":"\n<div class=\"wp-block-group alignfull column-features-three-container\" style=\"padding-top:10px;padding-right:10px;padding-bottom:10px;padding-left:10px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-87459e04 wp-block-group-is-layout-constrained\">\n<h5 class=\"wp-block-heading\"><strong>APF Structure<\/strong><\/h5>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\">Sri Neevi PQC Series APF has a modular design. Usually, the SRIN active power filter system consists of one or several APF modules and an optional Liquid Crystal Monitor &amp; Control Panel (LCM). Each APF module is an independent harmonic filtering system, and users can change the harmonic filtering system rating by adding or removing APF modules.<\/p>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\" style=\"margin-top:0;margin-bottom:0\">According to the mounting type, the Sri Neevi PQC series APF can be divided into Modular APF and Wall-mounted APF.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull\" style=\"padding-right:20px;padding-left:20px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-1cbea48f wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns unibiz-feature-container is-layout-flex wp-container-core-columns-is-layout-8b13f11d wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:614px\">\n<div class=\"wp-block-group is-vertical is-content-justification-left is-layout-flex wp-container-core-group-is-layout-bba109c3 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<h5 class=\"wp-block-heading has-gv-color-text-primary-color has-text-color has-link-color has-host-grotesk-font-family has-jumbo-font-size wp-elements-1 wp-container-content-ebe269bf\"><strong>Modular APF<\/strong><\/h5>\n<\/div>\n\n\n\n<div class=\"wp-block-columns unibiz-column-feature is-layout-flex wp-container-core-columns-is-layout-43eb1262 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left wp-block-paragraph\">APF modules and an LCM panel can be embedded in Delta\u2019s standard APF cabinet or a customised cabinet. There are breakers, cable terminals and a Surge Protection Device (SPD) in the APF cabinet.<\/p>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">A Modular Active Power Filter (APF) consists of independent APF modules combined with a Local Control Module (LCM) panel. These modules can be installed in Delta\u2019s standard APF cabinet or in a fully customised cabinet, depending on the site requirements.<\/p>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\">According to cable terminal type, a modular APF can be divided into two types<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\" id=\"wp-block-themeisle-blocks-image-5839625b\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"747\" src=\"https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_wvps8lwvps8lwvps-1024x747.png\" alt=\"\" class=\"wp-image-2381\" style=\"object-fit:cover;width:1000px;height:300px\" srcset=\"https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_wvps8lwvps8lwvps-1024x747.png 1024w, https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_wvps8lwvps8lwvps-300x219.png 300w, https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_wvps8lwvps8lwvps-768x560.png 768w, https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_wvps8lwvps8lwvps.png 1184w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull\" style=\"padding-top:0;padding-right:20px;padding-bottom:0;padding-left:20px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-e8363930 wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns unibiz-feature-container is-layout-flex wp-container-core-columns-is-layout-8b13f11d wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:614px\">\n<div class=\"wp-block-group is-vertical is-content-justification-left is-layout-flex wp-container-core-group-is-layout-bba109c3 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<h5 class=\"wp-block-heading has-gv-color-text-primary-color has-text-color has-link-color has-host-grotesk-font-family has-jumbo-font-size wp-elements-2 wp-container-content-ebe269bf\"><strong><strong>Wall-mounted APF<\/strong><\/strong><\/h5>\n<\/div>\n\n\n\n<div class=\"wp-block-columns unibiz-column-feature is-layout-flex wp-container-core-columns-is-layout-43eb1262 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-left wp-block-paragraph\">Sri Neevi Wall-Mounted Active Power Filter (APF) is designed for low-capacity harmonic mitigation and reactive power compensation in compact spaces. The unit can be securely mounted on a wall, making it ideal for commercial buildings, small industrial loads, and retrofit applications where floor space is limited.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An optional LCM (Local Control Module) can also be integrated with the wall-mounted APF to provide enhanced monitoring, control, and communication features, which are customizable according to customer requirements.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized is-style-default\" id=\"wp-block-themeisle-blocks-image-d08cc622\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"1152\" src=\"https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_ly6ze2ly6ze2ly6z-1.png\" alt=\"\" class=\"wp-image-2772\" style=\"object-fit:contain;width:1000px;height:400px\" srcset=\"https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_ly6ze2ly6ze2ly6z-1.png 896w, https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_ly6ze2ly6ze2ly6z-1-233x300.png 233w, https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_ly6ze2ly6ze2ly6z-1-796x1024.png 796w, https:\/\/srineevipowercontrols.com\/wp-content\/uploads\/2025\/11\/Gemini_Generated_Image_ly6ze2ly6ze2ly6z-1-768x987.png 768w\" sizes=\"auto, (max-width: 896px) 100vw, 896px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group alignfull unibiz-world-class-container has-white-background-color has-background\" style=\"padding-top:10px;padding-right:20px;padding-bottom:10px;padding-left:20px\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-container-core-group-is-layout-2b58b160 wp-block-group-is-layout-constrained\">\n<style>\n.spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin-bottom: 30px;\n    font-family: Arial, sans-serif;\n}\n.spec-table th {\n    background: #003366;\n    color: #fff;\n    padding: 10px;\n    text-align: left;\n}\n.spec-table td {\n    border: 1px solid #ddd;\n    padding: 10px;\n}\n.spec-table tr:nth-child(even) {\n    background: #f7f7f7;\n}\n.section-title {\n    font-size: 22px;\n    font-weight: bold;\n    margin: 20px 0 10px;\n    color: #003366;\n}\n<\/style>\n\n\n<!-- -------------------- TABLE 1: ELECTRICAL SPECIFICATIONS -------------------- -->\n<div class=\"section-title\">Electrical Specification<\/div>\n\n<table class=\"spec-table\">\n    <tr><th>Parameter<\/th><th>Details<\/th><\/tr>\n\n    <tr><td>Input Voltage Range<\/td>\n        <td>\n            <strong>AC 400V:<\/strong> AC 308V ~ 480V<br>\n            <strong>AC 690V:<\/strong> AC 432V ~ 880V\n        <\/td>\n    <\/tr>\n\n    <tr><td>Electric Connection<\/td>\n        <td>\n            <strong>AC 400V:<\/strong> 3P3W \/ 3P4W<br>\n            <strong>AC 690V:<\/strong> 3P3W\n        <\/td>\n    <\/tr>\n\n    <tr><td>Rated Current per Module<\/td>\n        <td>\n            <strong>AC 400V:<\/strong> 50A, 75A, 100A<br>\n            <strong>AC 690V:<\/strong> 100A\n        <\/td>\n    <\/tr>\n\n    <tr><td>Redundancy<\/td>\n        <td>Each module is an independent filtering system<\/td>\n    <\/tr>\n\n    <tr><td>Rated Current per Cabinet<\/td>\n        <td>\n            <strong>AC 400V:<\/strong> 50\u2013525A (module combination)<br>\n            <strong>AC 690V:<\/strong> 100\u2013500A (module combination)\n        <\/td>\n    <\/tr>\n\n    <tr><td>Harmonic Elimination Range<\/td>\n        <td>\n            <strong>AC 400V:<\/strong> 2nd\u201350th order (Selectable)<br>\n            <strong>AC 690V:<\/strong> 2nd\u201331st order (Selectable)\n        <\/td>\n    <\/tr>\n\n    <tr><td>Harmonic Filtering Degree<\/td>\n        <td>0\u2013100% programmable per harmonic (Ampere value)<\/td>\n    <\/tr>\n\n    <tr><td>Harmonic Filtering Performance<\/td>\n        <td>Up to 98% filtering at rated load, THDv &lt; 3%, THDi &lt; 5%<\/td>\n    <\/tr>\n\n    <tr><td>Reactive Power Compensation<\/td>\n        <td>Supports inductive &#038; capacitive reactive power<\/td>\n    <\/tr>\n\n    <tr><td>Reactive Compensation Performance<\/td>\n        <td>PF \u2265 0.99 (if APF capacity is sufficient)<\/td>\n    <\/tr>\n\n    <tr><td>Response Time<\/td>\n        <td>\n            <strong>Full:<\/strong> &lt; 20ms<br>\n            <strong>Instant:<\/strong> &lt; 100\u00b5s\n        <\/td>\n    <\/tr>\n\n    <tr><td>Thermal Loss<\/td>\n        <td>\u2264 3% of APF rated capacity (kVA)<\/td>\n    <\/tr>\n\n    <tr><td>Output Current Limitation<\/td>\n        <td>Automatic (100% rated capacity)<\/td>\n    <\/tr>\n\n    <tr><td>Imbalance Correction<\/td>\n        <td>\n            <strong>AC 400V:<\/strong> Negative &#038; zero sequence<br>\n            <strong>AC 690V:<\/strong> Negative sequence\n        <\/td>\n    <\/tr>\n\n    <tr><td>Parallel Expansion (System)<\/td>\n        <td>\n            <strong>AC 400V:<\/strong> Up to 10 racks (7 modules\/cabinet)<br>\n            <strong>AC 690V:<\/strong> Up to 10 racks (5 modules\/cabinet)\n        <\/td>\n    <\/tr>\n\n    <tr><td>MTBF<\/td>\n        <td>&gt; 100,000 hours<\/td>\n    <\/tr>\n<\/table>\n\n\n\n<!-- -------------------- TABLE 2: CONTROL, PHYSICAL, ENVIRONMENT -------------------- -->\n<div class=\"section-title\">Control Technology<\/div>\n\n<table class=\"spec-table\">\n    <tr><th>Parameter<\/th><th>Details<\/th><\/tr>\n\n    <tr><td>Switching Frequency<\/td>\n        <td>\n            AC 400V \u2013 50A, 75A: 60kHz<br>\n            AC 400V \u2013 100A: 30kHz<br>\n            AC 690V: 20kHz\n        <\/td>\n    <\/tr>\n\n    <tr><td>Controller<\/td><td>DSP Control<\/td><\/tr>\n    <tr><td>Communication<\/td><td>Modbus Protocol, RS232\/485<\/td><\/tr>\n    <tr><td>Monitoring<\/td><td>PQC Monitor Software (Optional)<\/td><\/tr>\n<\/table>\n\n<div class=\"section-title\">Physical Specification<\/div>\n\n<table class=\"spec-table\">\n    <tr><th>Parameter<\/th><th>Details<\/th><\/tr>\n\n    <tr><td>IP Grade<\/td><td>IP20, IP30 or customization<\/td><\/tr>\n    <tr><td>Cooling Method<\/td><td>Intelligent forced air cooling<\/td><\/tr>\n\n    <tr><td>Noise Level<\/td>\n        <td>\n            AC 400V: &lt; 65dB(A) @1m<br>\n            AC 690V: &lt; 70dB(A) @1m\n        <\/td>\n    <\/tr>\n\n    <tr><td>Dust Filter<\/td><td>Optional<\/td><\/tr>\n    <tr><td>Dimension<\/td><td>Refer to APF model table<\/td><\/tr>\n    <tr><td>Weight<\/td><td>Refer to APF model table<\/td><\/tr>\n<\/table>\n\n<div class=\"section-title\">Environmental Requirement<\/div>\n\n<table class=\"spec-table\">\n    <tr><th>Parameter<\/th><th>Details<\/th><\/tr>\n\n    <tr><td>Ambient Temperature<\/td><td>-10\u00b0C ~ 50\u00b0C<\/td><\/tr>\n\n    <tr><td>Relative Humidity<\/td><td>0 ~ 95%<\/td><\/tr>\n\n    <tr><td>Altitude<\/td>\n        <td>\n            \u2264 1000m: Rated Capacity<br>\n            1000\u20132000m: Derating 1% per 100m\n        <\/td>\n    <\/tr>\n\n    <tr><td>Response Time<\/td>\n        <td>\n            Full: &lt; 20ms<br>\n            Instant: &lt; 100\u00b5s\n        <\/td>\n    <\/tr>\n\n    <tr><td>Thermal Loss<\/td><td>\u2264 3% of APF rated capacity (kVA)<\/td><\/tr>\n    <tr><td>Output Current Limitation<\/td><td>Automatic (100% rated capacity)<\/td><\/tr>\n\n    <tr><td>Notes<\/td><td>All specifications are subject to change without notice.<\/td><\/tr>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>APF Structure Sri Neevi PQC Series APF has a modular design. Usually, the SRIN active power filter system consists of one or several APF modules and an optional Liquid Crystal Monitor &amp; Control Panel (LCM). Each APF module is an independent harmonic filtering system, and users can change the harmonic filtering system rating by adding or removing APF modules. According to the mounting type, the Sri Neevi PQC series APF can be divided into Modular APF and Wall-mounted APF.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1482","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/srineevipowercontrols.com\/index.php\/wp-json\/wp\/v2\/pages\/1482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/srineevipowercontrols.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/srineevipowercontrols.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/srineevipowercontrols.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/srineevipowercontrols.com\/index.php\/wp-json\/wp\/v2\/comments?post=1482"}],"version-history":[{"count":46,"href":"https:\/\/srineevipowercontrols.com\/index.php\/wp-json\/wp\/v2\/pages\/1482\/revisions"}],"predecessor-version":[{"id":2784,"href":"https:\/\/srineevipowercontrols.com\/index.php\/wp-json\/wp\/v2\/pages\/1482\/revisions\/2784"}],"wp:attachment":[{"href":"https:\/\/srineevipowercontrols.com\/index.php\/wp-json\/wp\/v2\/media?parent=1482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}