{"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\/ja\/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\">\u30b3\u30f3\u30d1\u30af\u30c8\u5909\u96fb\u6240<\/mark><\/a> (CSS)<\/strong> is a fully enclosed prefabricated unit that integrates a <strong>medium-voltage switchgear<\/strong>, <strong>distribution transformer<\/strong>\u305d\u3057\u3066 <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\/ja\/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=\"\u30b3\u30f3\u30d1\u30af\u30c8\u5909\u96fb\u6240\" 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>Description<\/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>\u5909\u5727\u5668<\/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>\u4ed5\u69d8<\/th><th>\u4fa1\u5024<\/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>\u983b\u5ea6<\/td><td>50 Hz<\/td><\/tr><tr><td>Cooling<\/td><td>ONAN (Oil Natural Air Natural)<\/td><\/tr><tr><td>\u7d76\u7e01\u30af\u30e9\u30b9<\/td><td>Class A \/ B<\/td><\/tr><tr><td>Enclosure Protection<\/td><td>IP54 (minimum), IP65 (optional)<\/td><\/tr><tr><td>\u6e29\u5ea6\u4e0a\u6607<\/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=\"\u30b3\u30f3\u30d1\u30af\u30c8\u5909\u96fb\u6240\" 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>\u306b\u3064\u3044\u3066 <strong><a href=\"https:\/\/pineele.com\/ja\/compact-substation-tnb\" target=\"_blank\" rel=\"noopener\">\u30b3\u30f3\u30d1\u30af\u30c8\u5909\u96fb\u6240<\/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\/ja\/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. Used widely in Malaysia\u2019s power distribution system, TNB-style compact substations offer fast deployment, space efficiency, and reliable operation in urban, commercial, and industrial environments. TNB Compact Substation Standards Compact substations designed for use in TNB networks must comply with the following: Typical Configuration of TNB Compact Substation Component Description MV Switchgear 11kV SF6-insulated RMU (typically [&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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