{"id":798,"date":"2025-03-29T01:06:06","date_gmt":"2025-03-29T01:06:06","guid":{"rendered":"https:\/\/pineele.com\/?p=798"},"modified":"2025-03-29T01:06:07","modified_gmt":"2025-03-29T01:06:07","slug":"315-kva-mini-substation-price-specification-buying-guide","status":"publish","type":"post","link":"https:\/\/pineele.com\/ja\/315-kva-mini-substation-price-specification-buying-guide","title":{"rendered":"315 kVA Mini Substation Price, Specification &amp; Buying Guide"},"content":{"rendered":"<h3 class=\"wp-block-heading\"> <strong>What Is a 315 kVA Mini Substation?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>315 kVA mini substation<\/strong> (also known as <strong>compact substation<\/strong> \u307e\u305f\u306f <strong>package substation<\/strong>) is a <strong>prefabricated power distribution unit<\/strong> that integrates a transformer, high-voltage switchgear, low-voltage switchgear, protection devices, and internal wiring into a <strong>single outdoor enclosure<\/strong>. It is designed to <strong>step down medium voltage (typically 11kV or 33kV)<\/strong> to a <strong>low-voltage level (400V)<\/strong> suitable for local distribution.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These units are widely used in <strong>urban networks, industrial zones, commercial areas<\/strong>\u305d\u3057\u3066 <strong>temporary construction projects<\/strong>, where space and installation time are limited.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"> <strong>Key Components of 315 kVA Compact Substation<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A typical mini substation includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HV Section<\/strong>: Load break switch (LBS) or vacuum circuit breaker (VCB)<\/li>\n\n\n\n<li><strong>Power Transformer<\/strong>: 315 kVA oil-immersed or dry-type transformer<\/li>\n\n\n\n<li><strong>LV Section<\/strong>: MCCB, MCB, or ACB for outgoing distribution<\/li>\n\n\n\n<li><strong>Enclosure<\/strong>: Galvanized sheet steel, aluminum, or stainless steel with IP54\u2013IP65 protection<\/li>\n\n\n\n<li><strong>Cooling<\/strong>: Natural air cooling (AN), or oil cooling (ONAN)<\/li>\n\n\n\n<li><strong>Protection<\/strong>: Earth fault protection, surge arresters, overcurrent protection<\/li>\n\n\n\n<li><strong>Metering and Relays<\/strong> (optional): For remote monitoring or SCADA integration<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"> <strong>Technical Specification Table<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>\u4fa1\u5024<\/th><\/tr><\/thead><tbody><tr><td><strong>Rated Capacity<\/strong><\/td><td>315 kVA<\/td><\/tr><tr><td><strong>Input Voltage (HV)<\/strong><\/td><td>11 kV \/ 22 kV \/ 33 kV (customizable)<\/td><\/tr><tr><td><strong>Output Voltage (LV)<\/strong><\/td><td>400V \/ 230V (3 phase + N)<\/td><\/tr><tr><td><strong>Cooling Type<\/strong><\/td><td>ONAN (oil-immersed) \/ AN (dry-type)<\/td><\/tr><tr><td><strong>\u983b\u5ea6<\/strong><\/td><td>50Hz \/ 60Hz<\/td><\/tr><tr><td><strong>Impedance<\/strong><\/td><td>~4% (can vary)<\/td><\/tr><tr><td><strong>Enclosure Type<\/strong><\/td><td>Outdoor IP54\u2013IP65, modular metal container<\/td><\/tr><tr><td><strong>Installation Type<\/strong><\/td><td>Pad mounted \/ Pole mounted<\/td><\/tr><tr><td><strong>Protection Devices<\/strong><\/td><td>Fuses, MCCB, Earth Fault Relay, etc.<\/td><\/tr><tr><td><strong>Compliance Standards<\/strong><\/td><td>IEC 62271, IEC 60076, ISO 9001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"> <strong>Applications of 315 kVA Mini Substation<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li> <strong>Urban residential areas<\/strong><\/li>\n\n\n\n<li> <strong>Commercial buildings and malls<\/strong><\/li>\n\n\n\n<li> <strong>Industrial workshops and processing units<\/strong><\/li>\n\n\n\n<li> <strong>Construction and mining sites<\/strong><\/li>\n\n\n\n<li> <strong>Agricultural pumping &amp; irrigation systems<\/strong><\/li>\n\n\n\n<li> <strong>Remote power distribution (rural electrification)<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"> <strong>315 kVA Mini Substation Price Overview<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u306b\u3064\u3044\u3066 <strong>price of a 315 kVA mini substation<\/strong> can vary widely depending on configuration, brand, and additional features. Below are the key influencing factors:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"> <strong>Price Factors<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Transformer Type<\/strong>: Oil-immersed is cheaper than dry-type.<\/li>\n\n\n\n<li><strong>Voltage Class<\/strong>: 11kV units are typically less expensive than 33kV models.<\/li>\n\n\n\n<li><strong>Enclosure Material<\/strong>: Galvanized steel is more affordable; stainless steel costs more.<\/li>\n\n\n\n<li><strong>Protection Level<\/strong>: Higher IP rating and smart protection relays increase the price.<\/li>\n\n\n\n<li><strong>Switchgear Configuration<\/strong>: Manual LBS vs. motorized VCB affects the cost.<\/li>\n\n\n\n<li><strong>Customization<\/strong>: SCADA, remote metering, and surge protection raise the price.<\/li>\n\n\n\n<li><strong>Quantity and Shipping<\/strong>: Bulk orders and shipping distance matter.<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"> <strong>Estimated Price Range<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Type<\/th><th>Approximate Price (USD)<\/th><\/tr><\/thead><tbody><tr><td>11kV Oil-immersed<\/td><td>$4,000 \u2013 $5,500<\/td><\/tr><tr><td>11kV Dry-type<\/td><td>$5,500 \u2013 $7,500<\/td><\/tr><tr><td>33kV Oil-immersed<\/td><td>$6,000 \u2013 $8,000<\/td><\/tr><tr><td>33kV Dry-type (IP65 rated)<\/td><td>$8,000 \u2013 $10,000<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udccc <em>Note: Prices are indicative and vary by manufacturer, location, and features.<\/em><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"> <strong>Installation &amp; Maintenance<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li> <strong>Plug &amp; Play<\/strong>: Minimal civil work required; installation in &lt;1 day.<\/li>\n\n\n\n<li> <strong>Low Maintenance<\/strong>: Periodic inspection and transformer oil tests (for oil type).<\/li>\n\n\n\n<li> <strong>Safety<\/strong>: Built-in earthing and overload protection.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" data-id=\"614\" src=\"https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/3-4.webp\" alt=\"315 kVA Mini Substation Price\" class=\"wp-image-614\" srcset=\"https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/3-4.webp 800w, https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/3-4-300x300.webp 300w, https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/3-4-150x150.webp 150w, https:\/\/pineele.com\/wp-content\/uploads\/2025\/03\/3-4-768x768.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"> <strong>Advantages at a Glance<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li> Quick deployment and commissioning<\/li>\n\n\n\n<li> Reduced land usage<\/li>\n\n\n\n<li> All-in-one compact design<\/li>\n\n\n\n<li> Safe and weatherproof enclosure<\/li>\n\n\n\n<li> Easy to relocate (for mobile substations)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"> \u3088\u304f\u3042\u308b\u8cea\u554f (FAQ)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q1: Is 315 kVA sufficient for residential buildings?<\/strong><br>Yes. A 315 kVA transformer can support medium-sized residential communities or commercial spaces.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q2: Can I choose between dry-type and oil-type transformer in mini substations?<\/strong><br>Absolutely. Most suppliers offer both configurations depending on your environmental and fire safety needs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q3: Do I need a separate foundation for mini substations?<\/strong><br>Usually, a simple concrete base or steel skid is sufficient. No large civil work required.<\/p>","protected":false},"excerpt":{"rendered":"<p>What Is a 315 kVA Mini Substation? A 315 kVA mini substation (also known as compact substation or package substation) is a prefabricated power distribution unit that integrates a transformer, high-voltage switchgear, low-voltage switchgear, protection devices, and internal wiring into a single outdoor enclosure. It is designed to step down medium voltage (typically 11kV or 33kV) to a low-voltage level (400V) suitable for local distribution. These units are widely used in urban networks, industrial zones, commercial areas, and temporary construction projects, where space and installation time are limited. Key Components of 315 kVA Compact Substation A typical mini substation includes: Technical Specification Table Parameter Value Rated Capacity 315 kVA Input [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-798","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>315 kVA Mini Substation Price, Specification &amp; Buying Guide - PINEELE<\/title>\n<meta name=\"description\" content=\"Discover the features, technical specifications, and pricing factors for 315 kVA mini substations. 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