{"id":853,"date":"2025-03-31T02:24:22","date_gmt":"2025-03-31T02:24:22","guid":{"rendered":"https:\/\/pineele.com\/?p=853"},"modified":"2025-09-16T03:15:33","modified_gmt":"2025-09-16T03:15:33","slug":"compact-substation-tnb","status":"publish","type":"post","link":"https:\/\/pineele.com\/hu\/compact-substation-tnb","title":{"rendered":"Compact Substation TNB"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>What Is a Compact Substation (TNB Type)?<\/strong><\/h2>\n\n\n\n<p>A <strong><a href=\"https:\/\/www.zhengxi1983.com\/product-category\/high-voltage-transformer\/distribution-substation\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0701fb\" class=\"has-inline-color\">Kompakt al\u00e1llom\u00e1s<\/mark><\/a> (CSS)<\/strong> is a fully enclosed prefabricated unit that integrates a <strong>medium-voltage switchgear<\/strong>, <strong>distribution transformer<\/strong>, \u00e9s <strong>low-voltage switchboard<\/strong> into one weatherproof enclosure. The <strong>TNB-compliant CSS<\/strong> is specifically engineered to meet the design, safety, and installation requirements of <strong>Tenaga Nasional Berhad (TNB)<\/strong> \u2014 Malaysia\u2019s national electricity utility.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"996\" height=\"783\" src=\"https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250331102317545.webp\" alt=\"Compact Substation TNB\" class=\"wp-image-857\" srcset=\"https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250331102317545.webp 996w, https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250331102317545-300x236.webp 300w, https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250331102317545-768x604.webp 768w\" sizes=\"(max-width: 996px) 100vw, 996px\" \/><\/figure>\n<\/div>\n\n\n<p>Used widely in Malaysia\u2019s power distribution system, TNB-style compact <a href=\"https:\/\/pineele.com\/hu\/compact-substation-tnb\" title=\"Learn more about Compact Substation\" class=\"zinc-link\" target=\"_blank\" rel=\"nofollow noopener\">substations<\/a> offer fast deployment, space efficiency, and reliable operation in urban, commercial, and industrial environments.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>TNB Compact Substation Standards<\/strong><\/h2>\n\n\n\n<p>Compact substations designed for use in TNB networks must comply with the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TNB Technical Guidebook (latest edition)<\/strong><\/li>\n\n\n\n<li><strong>IEC 62271-202<\/strong> \u2013 High-voltage switchgear and controlgear \u2013 Prefabricated substation<\/li>\n\n\n\n<li><strong>IEC 60076<\/strong> \u2013 Power transformers<\/li>\n\n\n\n<li><strong>TNB Specification No: TNBES 198, 201, 203<\/strong> (project-dependent)<\/li>\n\n\n\n<li><strong>Suruhanjaya Tenaga (Energy Commission)<\/strong> electrical safety code<\/li>\n\n\n\n<li>Local authority approvals (e.g., SIRIM, ST registration)<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"777\" height=\"522\" src=\"https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250331102019748.webp\" alt=\"Kompakt al\u00e1llom\u00e1s\" class=\"wp-image-856\" srcset=\"https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250331102019748.webp 777w, https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250331102019748-300x202.webp 300w, https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250331102019748-768x516.webp 768w\" sizes=\"(max-width: 777px) 100vw, 777px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Typical Configuration of TNB Compact Substation<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Component<\/th><th>Le\u00edr\u00e1s<\/th><\/tr><\/thead><tbody><tr><td><strong>MV Switchgear<\/strong><\/td><td>11kV SF6-insulated RMU (typically 3 or 4-way), TNB-approved brand<\/td><\/tr><tr><td><strong>Transformer<\/strong><\/td><td>315\u20131000 kVA, 11\/0.433kV oil-immersed sealed type (ONAN)<\/td><\/tr><tr><td><strong>LV Switchboard<\/strong><\/td><td>Outgoing MCCBs, metering panel, CTs, and terminals for low-voltage loads<\/td><\/tr><tr><td><strong>Enclosure<\/strong><\/td><td>Compartmentalized mild steel or stainless-steel structure (IP54\u2013IP65)<\/td><\/tr><tr><td><strong>Ventilation<\/strong><\/td><td>Natural or forced air, louvers, and filters<\/td><\/tr><tr><td><strong>Cable Termination<\/strong><\/td><td>Bottom-entry cable ducts, earthing bar and links<\/td><\/tr><tr><td><strong>Protection<\/strong><\/td><td>Surge arresters, protection relays, fault indicators<\/td><\/tr><tr><td><strong>Lighting &amp; Socket<\/strong><\/td><td>Internal service lighting, 13A plug, exhaust fan (optional)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Standard Ratings<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Specification<\/th><th>\u00c9rt\u00e9k<\/th><\/tr><\/thead><tbody><tr><td>Rated Power<\/td><td>315 kVA \/ 500 kVA \/ 630 kVA \/ 1000 kVA<\/td><\/tr><tr><td>Primary Voltage<\/td><td>11 kV<\/td><\/tr><tr><td>Secondary Voltage<\/td><td>400\/230 V<\/td><\/tr><tr><td>Frequency<\/td><td>50 Hz<\/td><\/tr><tr><td>Cooling<\/td><td>ONAN (Oil Natural Air Natural)<\/td><\/tr><tr><td>Insulation Class<\/td><td>Class A \/ B<\/td><\/tr><tr><td>Burkolatv\u00e9delem<\/td><td>IP54 (minimum), IP65 (optional)<\/td><\/tr><tr><td>Temperature Rise<\/td><td>\u2264 60\u00b0C on windings<\/td><\/tr><tr><td>Earthing<\/td><td>TN-S or TT system compliant<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Design Features of TNB-Approved Compact Substation<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Three-compartment structure<\/strong> (MV, Transformer, LV) with individual access doors<\/li>\n\n\n\n<li><strong>Internal arc-tested RMUs<\/strong> with SF6 insulation<\/li>\n\n\n\n<li><strong>Corrosion-resistant enclosure<\/strong> with epoxy powder coating<\/li>\n\n\n\n<li><strong>HV &amp; LV compartments separated by metallic barriers<\/strong><\/li>\n\n\n\n<li><strong>TNB-type lock and interlock systems<\/strong> for safety<\/li>\n\n\n\n<li><strong>Forced-air ventilation optional<\/strong> in high-load zones<\/li>\n\n\n\n<li><strong>Lifting hooks, base frame, and anti-vibration pads<\/strong> for transport and installation<\/li>\n\n\n\n<li><strong>Pad-mounted or skid-mounted options<\/strong> available<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"557\" height=\"387\" src=\"https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250329163323276.webp\" alt=\"Kompakt al\u00e1llom\u00e1s\" class=\"wp-image-854\" srcset=\"https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250329163323276.webp 557w, https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/20250329163323276-300x208.webp 300w\" sizes=\"(max-width: 557px) 100vw, 557px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Application Areas<\/strong><\/h2>\n\n\n\n<p>TNB Compact Substations are widely used in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Residential developments (terrace housing, condominiums)<\/li>\n\n\n\n<li>Commercial areas (malls, supermarkets, retail parks)<\/li>\n\n\n\n<li>Light industrial parks and SME zones<\/li>\n\n\n\n<li>Government facilities and schools<\/li>\n\n\n\n<li><a href=\"https:\/\/www.tronkiele.com\/what-are-the-disadvantages-of-dc-to-ac-inverters\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0701fb\" class=\"has-inline-color\">Urban substations<\/mark><\/a> and transformer upgrading projects<\/li>\n\n\n\n<li>Renewable energy projects connected to the 11kV grid<\/li>\n\n\n\n<li>Temporary power supply in construction and mobile applications<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Advantages of TNB Compact Substation<\/strong><\/h2>\n\n\n\n<p> <strong>Space-saving<\/strong>: All-in-one design ideal for urban or limited-space environments<br> <strong>Quick Installation<\/strong>: Factory-assembled and pre-tested before delivery<br> <strong>TNB Compliance<\/strong>: Meets all utility specifications for fast approval<br> <strong>Safety Assured<\/strong>: Arc-proof, compartmentalized, and interlock-secured<br> <strong>Minimal Civil Work<\/strong>: Requires only a level concrete pad<br> <strong>Customization<\/strong>: Available with solar-ready features or hybrid modules<br> <strong>Low Maintenance<\/strong>: Sealed transformer and RMU reduce site servicing needs<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Maintenance &amp; Inspection<\/strong><\/h2>\n\n\n\n<p>TNB recommends periodic inspection and maintenance to ensure substation reliability:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Visual inspection of transformer tank, bushings, and oil level<\/li>\n\n\n\n<li>Cleaning of air vents and filters in the enclosure<\/li>\n\n\n\n<li>Infrared scanning of LV terminations (annually)<\/li>\n\n\n\n<li>Functional testing of MCCBs, relays, and indicators<\/li>\n\n\n\n<li>Oil dielectric strength (BDV) test every 3\u20135 years<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Price Range in Malaysia (2024\u20132025)<\/strong><\/h2>\n\n\n\n<p>As of current market estimates, a <strong>TNB-compliant 315\u20131000 kVA compact substation<\/strong> costs approximately:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>RM 85,000 \u2013 RM 180,000<\/strong><br><em>(subject to configuration, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Distribution_transformer\" title=\"Learn more about transformer\" class=\"zinc-link\" target=\"_blank\" rel=\"nofollow noopener\">transformer<\/a> rating, RMU brand, and materials)<\/em><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>A <strong><a href=\"https:\/\/pineele.com\/hu\/compact-substation-tnb\" target=\"_blank\" rel=\"noopener\">Kompakt al\u00e1llom\u00e1s<\/a> TNB<\/strong> type is the ideal solution for medium-voltage to low-voltage step-down transformation in Malaysia. Designed to meet TNB\u2019s strict standards, these substations offer reliable performance, compactness, and easy integration into residential, commercial, or light industrial zones.<\/p>\n\n\n\n<p>With factory-tested modular design, built-in safety features, and full compliance with TNB and IEC requirements, <a href=\"https:\/\/pineele.com\/hu\/what-is-the-difference-between-a-compact-substation-and-a-conventional-substation\/\" target=\"_blank\" rel=\"noopener\">compact<\/a> substations are the smart choice for modern power distribution infrastructure in Malaysia.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>What Is a Compact Substation (TNB Type)? A Compact Substation (CSS) is a fully enclosed prefabricated unit that integrates a medium-voltage switchgear, distribution transformer, and low-voltage switchboard into one weatherproof enclosure. The TNB-compliant CSS is specifically engineered to meet the design, safety, and installation requirements of Tenaga Nasional Berhad (TNB) \u2014 Malaysia\u2019s national electricity utility. [&hellip;]<\/p>","protected":false},"author":1,"featured_media":857,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-compact-substation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Compact Substation TNB - PINEELE<\/title>\n<meta name=\"description\" content=\"A Compact Substation (CSS) is a fully enclosed prefabricated unit that integrates a medium-voltage switchgear, distribution transformer, and low-voltage switchboard into one weatherproof enclosure. 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