{"id":5508,"date":"2026-03-31T09:30:21","date_gmt":"2026-03-31T07:30:21","guid":{"rendered":"https:\/\/friem.com\/blog\/sistema-di-conversione-di-potenza-ac-dc-per-elettrolisi-cloro-soda\/"},"modified":"2026-03-31T09:41:28","modified_gmt":"2026-03-31T07:41:28","slug":"canada-ac-dc-power-conversion-system-for-chlor-alkali-electrolysis","status":"publish","type":"post","link":"https:\/\/friem.com\/en\/blog\/canada-ac-dc-power-conversion-system-for-chlor-alkali-electrolysis\/","title":{"rendered":"Canada: AC\/DC containerized power conversion system for chlor-alkali electrolysis"},"content":{"rendered":"

Complete transformer-rectifier solution for chlor alkali plants<\/h2>\n

FRIEM\u00a0<\/span><\/span>supplied<\/span>\u00a0<\/span>and\u00a0<\/span><\/span>commissioned<\/span>\u00a0<\/span>a high-<\/span>current<\/span>\u00a0<\/span>AC\/DC power conversion system for a chlor-alkali\u00a0<\/span><\/span>plant<\/span>\u00a0<\/span>in Canada,\u00a0<\/span><\/span>rated<\/span>\u00a0<\/span><\/span>at<\/span>\u00a0<\/span>320 V DC \/ 12<\/span>0<\/span>\u00a0<\/span><\/span>kA<\/span>.\u00a0<\/span><\/span><\/span>\u00a0<\/span><\/p>\n

The plant uses continuous electrolysis processes to produce sodium chlorate and other chemical compounds, where stable and controlled direct current is essential for consistent operation.<\/span><\/span>\u00a0<\/span><\/p>\n

The role of power conversion in chlor-alkali electrolysis<\/span><\/span><\/h3>\n

Chlor-alkali processes rely on high-current direct current as the primary input for electrolysis.\u00a0<\/span>\u00a0<\/span><\/p>\n

In these applications, the power conversion system is not a supporting\u00a0component, but a critical interface between the electrical supply and the electrochemical process.<\/span>\u00a0<\/span><\/p>\n

Operating conditions are highly demanding, with aggressive and corrosive environments, continuous operation requirements, and high current levels requiring strict stability control.<\/span>\u00a0<\/span><\/p>\n

In this context, power systems must ensure long-term reliability and\u00a0accurate\u00a0current regulation.<\/span>\u00a0<\/span><\/p>\n

AC\/DC rectifier system design and configuration<\/h3>\n

FRIEM supplied<\/span>\u00a0<\/span>and\u00a0<\/span><\/span>commissioned<\/span>\u00a0<\/span>a transformer-<\/span>rectifier<\/span>\u00a0<\/span>system\u00a0<\/span><\/span>rated<\/span>\u00a0<\/span><\/span>at<\/span>\u00a0<\/span>320 V DC \/ 12\u00a0<\/span><\/span>kA<\/span>,\u00a0<\/span><\/span>designed<\/span>\u00a0<\/span>for\u00a0<\/span><\/span>continuous<\/span>\u00a0<\/span>industrial\u00a0<\/span><\/span>operation<\/span>.<\/span><\/p>\n

The system is based on\u00a0<\/span><\/span>thyristor<\/span>\u00a0<\/span>technology\u00a0<\/span><\/span>in a<\/span>\u00a0<\/span>double-bridge configuration,\u00a0<\/span><\/span>ensuring<\/span>\u00a0<\/span><\/span>stable<\/span>\u00a0<\/span>and\u00a0<\/span><\/span>controlled<\/span>\u00a0<\/span>DC supply to the\u00a0<\/span><\/span>electrolysis<\/span>\u00a0<\/span><\/span>cells<\/span>.<\/span><\/span>\u00a0<\/span><\/p>\n

The system is\u00a0<\/span><\/span>configured<\/span>\u00a0<\/span><\/span>as<\/span>\u00a0<\/span>a\u00a0<\/span><\/span>two-level<\/span>\u00a0<\/span><\/span>containerized<\/span>\u00a0<\/span>solution with an\u00a0<\/span><\/span>external<\/span>\u00a0<\/span>transformer,\u00a0<\/span><\/span>integrating<\/span>\u00a0<\/span>power conversion, control, and monitoring\u00a0<\/span><\/span>into<\/span>\u00a0<\/span>a single\u00a0<\/span><\/span>unit<\/span>.<\/span><\/span>\u00a0<\/span><\/p>\n

This configuration\u00a0<\/span><\/span>ensures<\/span>\u00a0<\/span><\/span>stable<\/span>\u00a0<\/span>DC output under\u00a0<\/span><\/span>variable<\/span>\u00a0<\/span>load\u00a0<\/span><\/span>conditions<\/span>,\u00a0<\/span><\/span>while<\/span>\u00a0<\/span><\/span>enabling<\/span>\u00a0<\/span><\/span>integrated<\/span>\u00a0<\/span>monitoring and control of\u00a0<\/span><\/span>electrical<\/span>\u00a0<\/span><\/span>parameters<\/span>\u00a0<\/span>and\u00a0<\/span><\/span>simplifying<\/span>\u00a0<\/span><\/span>installation<\/span>\u00a0<\/span>and commissioning on site.<\/span><\/span>\u00a0<\/span><\/p>\n

Ensuring stable operation in continuous electrolysis processes
\n<\/span><\/h3>\n

The system supports continuous electrolysis by ensuring stable and controlled power delivery under demanding operating conditions.<\/span><\/span>\u00a0<\/span><\/p>\n

The containerized configuration reduces installation complexity and enables faster integration on site.<\/span><\/span>\u00a0<\/span><\/p>\n

Integrated monitoring and\u00a0<\/span><\/span>accurate<\/span>\u00a0<\/span>DC measurement provide full visibility of process parameters, supporting consistent operation over time.<\/span><\/span>\u00a0<\/span><\/p>\n

In chlor-alkali processes, performance depends on how power is delivered and controlled.<\/span><\/span>\u00a0<\/span><\/p>\n

\ud83d\udc49 Download the full case study here.<\/span><\/a><\/strong><\/h4>\n

Learn more about FRIEM containerized solutions. Contact us <\/b>here.<\/span><\/strong><\/a><\/h4>\n

 <\/p>\n

\"\" \"\" \"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

Complete transformer-rectifier solution for chlor alkali plants FRIEM\u00a0supplied\u00a0and\u00a0commissioned\u00a0a high-current\u00a0AC\/DC power conversion system for a chlor-alkali\u00a0plant\u00a0in Canada,\u00a0rated\u00a0at\u00a0320 V DC \/ 120\u00a0kA.\u00a0\u00a0 The plant uses continuous electrolysis processes to produce sodium chlorate and other chemical compounds, where stable and controlled direct current is essential for consistent operation.\u00a0 The role of power conversion in chlor-alkali electrolysis Chlor-alkali processes…<\/p>\n","protected":false},"author":12,"featured_media":5523,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[64],"tags":[],"class_list":["post-5508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-sudy"],"acf":[],"_links":{"self":[{"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/posts\/5508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/comments?post=5508"}],"version-history":[{"count":5,"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/posts\/5508\/revisions"}],"predecessor-version":[{"id":5534,"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/posts\/5508\/revisions\/5534"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/media\/5523"}],"wp:attachment":[{"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/media?parent=5508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/categories?post=5508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/friem.com\/en\/wp-json\/wp\/v2\/tags?post=5508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}