{"id":51212,"date":"2024-11-19T10:01:17","date_gmt":"2024-11-19T09:01:17","guid":{"rendered":"https:\/\/genesalenergy.com\/en\/?p=51212"},"modified":"2025-10-20T13:19:38","modified_gmt":"2025-10-20T11:19:38","slug":"how-to-connect-a-genset","status":"publish","type":"post","link":"https:\/\/genesalenergy.com\/en\/communication\/articles\/how-to-connect-a-genset\/","title":{"rendered":"How to connect a genset in industrial or commercial installations"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-54208 size-full\" src=\"https:\/\/genesalenergy.com\/en\/wp-content\/uploads\/sites\/5\/2024\/11\/genesalenergy-articulos-conectar-grupo-v1.jpg\" alt=\"Technician connecting a generator in an industrial setting\" width=\"822\" height=\"488\" \/><br \/>\n<span style=\"color: #626262; font-size: 22px; line-height: 144%;\">Connecting a generator set to the power grid of an industrial or commercial facility is a key process to ensure a continuous supply during grid failures.<\/span><\/p>\n<p><span style=\"color: #626262; font-size: 22px; line-height: 144%;\">In sectors such as industry, hospitals or data centres, where energy is vital, it is essential to know the correct steps and methods to make a safe and efficient connection.<\/span><\/p>\n<h2><span lang=\"en-US\">Basic concepts for the connection of a generating set<\/span><\/h2>\n<p><span lang=\"en-US\">Before proceeding with the installation of a generating set, it is essential to carry out an exhaustive analysis of the electrical demand of the installation. This involves calculating the power required for critical equipment, verifying current safety regulations and correctly sizing the system components. <\/span><\/p>\n<p><span lang=\"en-US\">Each installation has specific needs, so it is essential to design a system that guarantees a reliable supply and complies with protection standards.<\/span><\/p>\n<h3><span lang=\"en-US\">Key requirements include<\/span><\/h3>\n<ul>\n<li><span lang=\"en-US\"><strong>Critical load assessment:<\/strong> Identify which areas and equipment need continuous supply in the event of mains failure.<\/span><\/li>\n<li><span lang=\"en-US\"><strong>System planning:<\/strong> Determine the type of generator set, switchgear capacity, and the voltage and frequency to be supplied.<\/span><\/li>\n<li><span lang=\"en-US\"><strong>Regulatory compliance:<\/strong> Ensure that the design of the installation complies with low voltage regulations and that all relevant safety measures are in place.<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-54208 size-full\" src=\"https:\/\/genesalenergy.com\/wp-content\/uploads\/2024\/11\/genesalenergy-articulos-cualnecesitas-v3.jpg\" alt=\"General view of a shopping center where energy is essential\" width=\"822\" height=\"488\" \/><\/p>\n<h2><span lang=\"en-US\">Methods of connection of a generating set to the mains<\/span><\/h2>\n<h3><span lang=\"en-US\">Direct connection of the generating set to the grid<\/span><\/h3>\n<p><span lang=\"en-US\">To ensure efficient switching between the mains and the generating set, it is essential to use a switchboard. This device automatically detects any mains failure and switches over to the genset without manual intervention (in case of an automatic system). The ATS (automatic switchboard) is the key element in installations where the continuity of the power supply is critical, as it ensures that the change of the power supply is carried out without cuts or with a minimum cut-off. <\/span><\/p>\n<p>Learn more about the <a href=\"https:\/\/genesalenergy.com\/en\/communication\/articles\/mains-genset-switching\/\">mains\/generator switching process here<\/a>.<\/p>\n<p><span lang=\"en-US\">The installation process of an ATS includes the configuration of its parameters so that, in the event of any mains failure, the system can start the generator and transfer the load instantaneously. This type of automation is essential in sectors such as hospitals, data centres or telecommunications infrastructures, where any interruption may be unacceptable.<\/span><\/p>\n<h3><span lang=\"en-US\">Connecting a three-phase genset<\/span><\/h3>\n<p><span lang=\"en-US\">In high-demand industrial environments, three-phase gensets are often used to ensure a balanced power distribution. These generators operate using three phases of alternating current and can be connected in two main configurations: star or delta.<\/span><\/p>\n<ul>\n<li><span lang=\"en-US\"><strong>Star connection:<\/strong> In this scheme, all phases are connected to a single neutral point, which facilitates the balancing of distributed loads. <\/span><\/li>\n<li><span lang=\"en-US\"><strong>Delta connection:<\/strong> In this type of connection, the end of one phase is connected to the beginning of the next phase, creating a closed loop between the phases.<\/span><\/li>\n<\/ul>\n<p><span lang=\"en-US\">The choice between these two schemes will depend on the type of load, the power required and the infrastructure available in the installation.<\/span><\/p>\n<h3><span lang=\"en-US\">Connection to critical systems<\/span><\/h3>\n<p><span lang=\"en-US\">In critical facilities such as hospitals, telecommunications centres or industrial plants, it is crucial that certain equipment is always kept operational. For this purpose, secure lines are implemented that directly connect critical systems to the generator set.<\/span><\/p>\n<p><span lang=\"en-US\">These lines are designed to receive power immediately in the event of a grid failure. In addition, many of these systems include redundancies and continuous monitoring, ensuring that the generator set is always ready to start when needed. In these cases, it is common to use several generators connected in parallel to improve security and supply capacity.<\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-54208 size-full\" src=\"https:\/\/genesalenergy.com\/wp-content\/uploads\/2024\/11\/genesalenergy-articulos-conectar-grupo-v2.jpg\" alt=\"Doctors in a hospital reviewing an X-ray\" width=\"822\" height=\"488\" \/><\/p>\n<h2><span lang=\"en-US\">Steps to connect a generator set safely<\/span><\/h2>\n<h3><span lang=\"en-US\">1. Assessment of the installation&#8217;s power and requirements<\/span><\/h3>\n<p><span lang=\"en-US\">The first step to a proper connection is to make a detailed assessment of the power required by the installation during a power outage. This includes identifying the equipment requiring continuous supply and determining the rated and starting powers to be provided by the genset.<\/span><\/p>\n<p><span lang=\"en-US\">It is crucial to correctly calculate the critical load to ensure that the selected generator is able to cover all the needs of the facility without overloading.<\/span><\/p>\n<h3><span lang=\"en-US\">2. Configuration of the Automatic Transfer Switchboard (ATS)<\/span><\/h3>\n<p><span lang=\"en-US\">The ATS is responsible for the automatic switchover between the mains and the genset. Its correct configuration is key to ensuring that the system reacts quickly and efficiently to failures in the mains supply. This includes adjusting the delay times, the sensitivity of the system to detect fluctuations in voltage and frequency, as well as the generator start and stop settings.<\/span><\/p>\n<p><span lang=\"en-US\">A well-configured ATS not only ensures efficient switching, but also protects both the generator set and the connected equipment from possible fluctuations or failures in the grid.<\/span><\/p>\n<h3><span lang=\"en-US\">3. Installation of conductors and protections<\/span><\/h3>\n<p><span lang=\"en-US\">To ensure the safety of the installation, it is essential to correctly select the conductors and protective devices, such as fuses, differential and thermal relays. In three-phase installations, it is particularly important to ensure that the three phases are balanced to avoid problems of overload in one phase and underutilization in the others.<\/span><\/p>\n<p><span lang=\"en-US\">The dimensioning of the conductors must be done according to the capacity of the generating set and the distance between the generator and the switchboards. In addition, independent earthing systems must be installed to protect both personnel and equipment against possible insulation faults.<\/span><\/p>\n<h3><span lang=\"en-US\">4. Connection and synchronisation tests<\/span><\/h3>\n<p><span lang=\"en-US\">Once the installation is complete, it is crucial to perform extensive tests to ensure that the genset can transfer the load correctly without interruption. These tests include:<\/span><\/p>\n<ul>\n<li><span lang=\"en-US\">Verifying that the ATS responds appropriately to a simulated mains failure.<\/span><\/li>\n<li><span lang=\"en-US\">Checking that the genset can take the full load of the installation without sudden variations in frequency or voltage.<\/span><\/li>\n<li><span lang=\"en-US\">Perform synchronisation tests for installations where several generators operate in parallel, ensuring that all generators work in a balanced way and without interference.<\/span><\/li>\n<\/ul>\n<p><span lang=\"en-US\">In addition, the quality of the power supplied by the generator set should be verified, ensuring that it meets the requirements of the critical equipment of the installation.<\/span><\/p>\n<p><span lang=\"en-US\"><strong>A detailed analysis of the power requirements,<\/strong> the proper configuration of the automatic transfer switch (ATS) and the implementation of protective measures are essential to ensure a reliable and continuous power supply.<\/span><\/p>\n<p><span lang=\"en-US\">The key to success in these installations lies in <strong>designing a system that allows critical equipment to continue operating without interruption,<\/strong> ensuring the safety and efficiency of the entire electrical infrastructure.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Connecting a generator set to the power grid of an industrial or commercial facility is a key process to ensure a continuous supply during grid failures. In sectors such as industry, hospitals or data centres, where energy is vital, it is essential to know the correct steps and methods to make a safe and efficient [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":51289,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"article-single-post.php","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[308,533],"tags":[763],"pais":[],"class_list":["post-51212","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-communication","tag-connection-of-a-generating-set"],"acf":[],"_links":{"self":[{"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/posts\/51212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/comments?post=51212"}],"version-history":[{"count":1,"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/posts\/51212\/revisions"}],"predecessor-version":[{"id":52829,"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/posts\/51212\/revisions\/52829"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/media\/51289"}],"wp:attachment":[{"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/media?parent=51212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/categories?post=51212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/tags?post=51212"},{"taxonomy":"pais","embeddable":true,"href":"https:\/\/genesalenergy.com\/en\/wp-json\/wp\/v2\/pais?post=51212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}