{"id":6026,"date":"2023-10-31T16:44:09","date_gmt":"2023-10-31T15:44:09","guid":{"rendered":"https:\/\/beshielding.com\/shielding\/special-applications\/cabina-a-fascia-di-rispetto-zero\/"},"modified":"2024-02-16T12:49:55","modified_gmt":"2024-02-16T11:49:55","slug":"substation-with-zero-buffer-zone","status":"publish","type":"page","link":"https:\/\/beshielding.com\/en\/shielding\/special-applications\/substation-with-zero-buffer-zone\/","title":{"rendered":"Substation With Zero Buffer Zone"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_custom_heading text=&#8221;SHIELDING FOR POWER DISTRIBUTION SUBSTATIONS WITH ZERO BUFFER ZONE: FRZERO SUBSTATION&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text]The mitigation solution called the \u201cZero buffer zone substation\u201d seeks to reduce the buffer zone for a MV\/LV power distribution substation to zero; indeed, such buffer zones are normally at least 2-2.5 metres from the perimeter of the substation itself.<\/p>\n<p>The buffer zone is reduced to zero, as required by the regulations, using a validated software that has been experimentally verified at 20 cm from the substation walls, in compliance with CEI EN 62110:2012-11.<\/p>\n<p>Starting from the MV\/LV transformer substation configuration \u2014 usually consisting of an MV switchgear, an MV\/LV transformer, generally in oil, and a LV switchgear \u2014 the MAGIC software helps create a calculation model that takes into account the major sources of magnetic emissions and is validated in accordance with the Ministerial Decree of 29 May 2008.<\/p>\n<ul>\n<li>MV switchgear;<\/li>\n<li>MV\/LV transformer;<\/li>\n<li>conductors connecting the MV\/LV transformer to the LV switchgear;<\/li>\n<li>conductors connecting the MV switchgear to the transformer&#8217;s MV terminals;<\/li>\n<li>LV switchgear.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;4142&#8243; img_size=&#8221;full&#8221;][vc_column_text el_class=&#8221;small&#8221; css=&#8221;.vc_custom_1708081395831{padding-top: 10px !important;padding-right: 10px !important;padding-bottom: 10px !important;padding-left: 10px !important;background-color: #f4f4f4 !important;}&#8221;]Fig. 16 &#8211; Secondary transformer substation[\/vc_column_text][vc_single_image image=&#8221;4143&#8243; img_size=&#8221;full&#8221;][vc_column_text el_class=&#8221;small&#8221; css=&#8221;.vc_custom_1708081407756{padding-top: 10px !important;padding-right: 10px !important;padding-bottom: 10px !important;padding-left: 10px !important;background-color: #f4f4f4 !important;}&#8221;]Fig. 17 &#8211; Shielding element design and simulation[\/vc_column_text][vc_single_image image=&#8221;4144&#8243; img_size=&#8221;full&#8221;][vc_column_text el_class=&#8221;small&#8221; css=&#8221;.vc_custom_1708081419146{padding-top: 10px !important;padding-right: 10px !important;padding-bottom: 10px !important;padding-left: 10px !important;background-color: #f4f4f4 !important;}&#8221;]Fig. 18 &#8211; Shielding element installation[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]The study is conducted by verifying the magnetic induction values generated by the substation in the area surrounding the substation itself; such values are measured on different x-y planes parallel to the substation floor and positioned at different z heights from the floor. For each of the emission sources, a shield is designed to ensure compliance with the quality limit (3 \u03bcT) at nominal current.<\/p>\n<p>The shielding elements \u2014 that together constitute the magnetic induction mitigation intervention \u2014 are realised by coupling highly conductive materials with high magnetic permeability affecting all the above-mentioned sources.<\/p>\n<p>The substation is realised by installing the equipment and shields in accordance with the design and indications provided.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;4145&#8243; img_size=&#8221;full&#8221;][vc_column_text el_class=&#8221;small&#8221; css=&#8221;.vc_custom_1698768019284{padding-top: 10px !important;padding-right: 10px !important;padding-bottom: 10px !important;padding-left: 10px !important;background-color: #f4f4f4 !important;}&#8221;]Fig. 19 &#8211; Valori misurati durante il collaudo del sistema di schermatura[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]The performance of this shielding solution was demonstrated by a campaign of magnetic induction measurements taken along the external perimeter of the substation, every 0.50 m, and at a distance of 0.20 m from the substation itself. For each point, measurements were taken at three different heights above the substation floor (0.5; 1; 1.5 m).<\/p>\n<p>Finally, at each measurement point, the measurements taken at the three different heights were then averaged.<\/p>\n<p>This activity confirms reduction of the secondary substation buffer zone to zero and constitutes installed mitigation system testing.<\/p>\n<p>Following the proposed mitigation work, it can be stated that the substation has a buffer zone of 0 (zero) metres from all its walls, in accordance with Italian Ministerial Decree of 29 May 2008.<\/p>\n<p>There are two shielding variants that can be adopted for 400 and 630 kVA substations.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_custom_heading text=&#8221;SHIELDING FOR POWER DISTRIBUTION SUBSTATIONS WITH ZERO BUFFER ZONE: FRZERO SUBSTATION&#8221; font_container=&#8221;tag:h3|text_align:left&#8221; use_theme_fonts=&#8221;yes&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text]The mitigation solution called the \u201cZero&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6024,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/pages\/6026"}],"collection":[{"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/comments?post=6026"}],"version-history":[{"count":3,"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/pages\/6026\/revisions"}],"predecessor-version":[{"id":6029,"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/pages\/6026\/revisions\/6029"}],"up":[{"embeddable":true,"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/pages\/6024"}],"wp:attachment":[{"href":"https:\/\/beshielding.com\/en\/wp-json\/wp\/v2\/media?parent=6026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}