{"id":1627,"date":"2026-08-03T09:34:46","date_gmt":"2026-08-03T01:34:46","guid":{"rendered":"https:\/\/www.zishengelectric.com\/?post_type=product&p=1627"},"modified":"2026-08-03T09:34:47","modified_gmt":"2026-08-03T01:34:47","slug":"30kva-dry-type-transformer","status":"publish","type":"product","link":"https:\/\/www.zishengelectric.com\/fr\/product\/30kva-dry-type-transformer","title":{"rendered":"30kVA Dry Type Transformer"},"content":{"rendered":"

1. Product Overview<\/h2>\n

ZISHENG 30kVA Dry Type Transformer is a high-performance electrical distribution transformer designed for safe and reliable power conversion in commercial, industrial, infrastructure, and renewable energy applications.<\/p>\n

The transformer adopts advanced dry insulation technology, eliminating the need for insulating oil and providing excellent fire resistance, environmental protection, and operational safety. It is especially suitable for indoor substations, high-rise buildings, factories, hospitals, data centers, solar energy systems, and other locations where safety, reliability, and low maintenance are important.<\/p>\n

Manufactured by ZISHENG with strict quality control procedures, the 30kVA dry type transformer features high-quality raw materials, optimized electromagnetic design, low energy consumption, strong overload capability, and long service life.<\/p>\n

\n

2. Product Specifications<\/h1>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Product Name<\/td>\n30kVA Dry Type Transformer<\/td>\n<\/tr>\n
Rated Capacity<\/td>\n30kVA<\/td>\n<\/tr>\n
Transformer Type<\/td>\nDry Type Distribution Transformer<\/td>\n<\/tr>\n
Phase<\/td>\nSingle Phase \/ Three Phase<\/td>\n<\/tr>\n
Frequency<\/td>\n50Hz \/ 60Hz<\/td>\n<\/tr>\n
Rated Voltage<\/td>\nCustomized according to customer requirements<\/td>\n<\/tr>\n
High Voltage Side<\/td>\nCustomized<\/td>\n<\/tr>\n
Low Voltage Side<\/td>\nCustomized<\/td>\n<\/tr>\n
Cooling Method<\/td>\nAN (Air Natural Cooling)<\/td>\n<\/tr>\n
Insulation Material<\/td>\nHigh-temperature resistant insulation materials<\/td>\n<\/tr>\n
Winding Material<\/td>\nCopper \/ Aluminum<\/td>\n<\/tr>\n
Installation Type<\/td>\nIndoor \/ Outdoor (with enclosure)<\/td>\n<\/tr>\n
Insulation Class<\/td>\nF \/ H Class optional<\/td>\n<\/tr>\n
Protection Class<\/td>\nIP20 \/ IP23 \/ Customized<\/td>\n<\/tr>\n
Standard Compliance<\/td>\nIEC \/ ANSI \/ Local standards<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n

3. Main Structure Design<\/h1>\n

3.1 Iron Core<\/h2>\n

The 30kVA Dry Type Transformer uses a high-quality grain-oriented silicon steel core with advanced manufacturing technology.<\/p>\n

Features:<\/p>\n

    \n
  • Low magnetic loss design<\/li>\n
  • Reduced no-load current<\/li>\n
  • Lower operating temperature<\/li>\n
  • Improved energy efficiency<\/li>\n
  • Reduced transformer noise<\/li>\n
  • Enhanced service reliability<\/li>\n<\/ul>\n

    The optimized core structure helps minimize energy consumption during continuous operation.<\/p>\n

    \n

    3.2 Windings<\/h2>\n

    The transformer windings are manufactured using high-quality copper or aluminum conductors according to customer requirements.<\/p>\n

    Features:<\/p>\n

      \n
    • Excellent electrical conductivity<\/li>\n
    • Strong mechanical strength<\/li>\n
    • High thermal stability<\/li>\n
    • Superior short-circuit resistance<\/li>\n
    • Reliable insulation performance<\/li>\n<\/ul>\n

      The winding structure is optimized to improve heat dissipation and ensure stable operation under different load conditions.<\/p>\n

      \n

      3.3 Insulation System<\/h2>\n

      The dry type transformer adopts advanced solid insulation technology.<\/p>\n

      Advantages:<\/p>\n

        \n
      • No risk of oil leakage<\/li>\n
      • Excellent fire safety performance<\/li>\n
      • Environmentally friendly operation<\/li>\n
      • Suitable for indoor installation<\/li>\n
      • Reduced maintenance requirements<\/li>\n<\/ul>\n

        High-temperature insulation materials ensure reliable operation under demanding working conditions.<\/p>\n

        \n

        4. Product Advantages<\/h1>\n

        High Safety Performance<\/h2>\n

        Because the transformer does not contain insulating oil, it significantly reduces fire hazards and environmental risks. It is suitable for buildings and facilities with strict safety requirements.<\/p>\n

        Energy Saving and Low Loss<\/h2>\n

        The optimized electromagnetic design reduces:<\/p>\n

          \n
        • No-load losses<\/li>\n
        • Load losses<\/li>\n
        • Operating costs<\/li>\n<\/ul>\n

          This helps customers improve energy efficiency and reduce long-term electricity expenses.<\/p>\n

          Excellent Overload Capability<\/h2>\n

          The transformer can withstand short-term overload conditions while maintaining stable operation, making it suitable for applications with variable power demand.<\/p>\n

          Strong Short-Circuit Resistance<\/h2>\n

          The reinforced mechanical structure improves resistance against short-circuit forces and enhances equipment reliability.<\/p>\n

          Low Noise Operation<\/h2>\n

          Advanced core design and manufacturing processes effectively reduce vibration and operating noise.<\/p>\n

          Long Service Life<\/h2>\n

          High-quality materials and strict production testing ensure long-term stable performance.<\/p>\n

          \n

          5. Technical Features<\/h1>\n

          1. Compact Design<\/h3>\n

          The transformer features a compact structure, saving installation space and simplifying transportation and installation.<\/p>\n

          2. Maintenance Friendly<\/h3>\n

          Compared with oil-filled transformers, dry type transformers require less maintenance because they do not need oil inspection, oil replacement, or leakage prevention.<\/p>\n

          3. Environmental Protection<\/h3>\n

          The transformer supports green energy development with:<\/p>\n

            \n
          • No oil pollution risk<\/li>\n
          • Reduced maintenance waste<\/li>\n
          • Lower energy consumption<\/li>\n<\/ul>\n

            4. Stable Performance in Harsh Environments<\/h3>\n

            The transformer can be customized for operation in:<\/p>\n

              \n
            • High-temperature areas<\/li>\n
            • High-humidity environments<\/li>\n
            • Dusty industrial locations<\/li>\n
            • Coastal areas<\/li>\n<\/ul>\n
              \n

              6. Application Fields<\/h1>\n

              Industrial Applications<\/h2>\n
                \n
              • Manufacturing plants<\/li>\n
              • Mining facilities<\/li>\n
              • Chemical factories<\/li>\n
              • Industrial parks<\/li>\n<\/ul>\n

                Commercial Applications<\/h2>\n
                  \n
                • Office buildings<\/li>\n
                • Shopping malls<\/li>\n
                • Hotels<\/li>\n
                • Residential complexes<\/li>\n<\/ul>\n

                  Infrastructure Projects<\/h2>\n
                    \n
                  • Airports<\/li>\n
                  • Rail transportation systems<\/li>\n
                  • Public facilities<\/li>\n
                  • Communication facilities<\/li>\n<\/ul>\n

                    Renewable Energy Projects<\/h2>\n
                      \n
                    • Solar PV plants<\/li>\n
                    • Energy storage systems<\/li>\n
                    • Wind power projects<\/li>\n<\/ul>\n

                      Special Applications<\/h2>\n
                        \n
                      • Data centers<\/li>\n
                      • Telecom base stations<\/li>\n
                      • Hospitals<\/li>\n
                      • Schools<\/li>\n<\/ul>\n
                        \n

                        7. Customization Options<\/h1>\n

                        ZISHENG provides customized transformer solutions based on different project requirements.<\/p>\n

                        Available customization:<\/p>\n

                          \n
                        • Rated voltage adjustment<\/li>\n
                        • Frequency selection (50Hz\/60Hz)<\/li>\n
                        • Copper or aluminum winding<\/li>\n
                        • Customized enclosure<\/li>\n
                        • Special insulation level<\/li>\n
                        • Temperature monitoring system<\/li>\n
                        • Terminal arrangement<\/li>\n
                        • Installation dimensions<\/li>\n
                        • Regional standard requirements<\/li>\n<\/ul>\n
                          \n

                          8. Manufacturing and Quality Control<\/h1>\n

                          ZISHENG follows strict production management procedures throughout the manufacturing process.<\/p>\n

                          Quality control includes:<\/p>\n

                            \n
                          • Raw material inspection<\/li>\n
                          • Core loss testing<\/li>\n
                          • Winding resistance testing<\/li>\n
                          • Insulation resistance testing<\/li>\n
                          • Voltage ratio testing<\/li>\n
                          • No-load loss testing<\/li>\n
                          • Load loss testing<\/li>\n
                          • Temperature rise testing<\/li>\n
                          • Final performance inspection<\/li>\n<\/ul>\n

                            Each transformer is tested before shipment to ensure reliable operation after installation.<\/p>\n

                            \n

                            9. Why Choose ZISHENG 30kVA Dry Type Transformer<\/h1>\n
                              \n
                            • Professional transformer manufacturer with multiple production lines<\/li>\n
                            • High-quality electrical materials<\/li>\n
                            • Strict quality inspection system<\/li>\n
                            • Competitive factory-direct pricing<\/li>\n
                            • Customized transformer solutions<\/li>\n
                            • Reliable delivery capability<\/li>\n
                            • Experience serving global markets in Africa, South America, Southeast Asia, Central Asia, and the Middle East<\/li>\n<\/ul>\n

                              ZISHENG 30kVA Dry Type Transformer provides a reliable, energy-efficient, and safe power distribution solution for industrial, commercial, and renewable energy projects worldwide.<\/p>\n

                              30kVA Dry Type Transformer Product Q&A<\/h1>\n

                              Q1: What is a 30kVA Dry Type Transformer?<\/h2>\n

                              A:<\/strong> A 30kVA Dry Type Transformer is an electrical transformer with a rated capacity of 30kVA that converts voltage levels for power distribution applications. Unlike oil-immersed transformers, it uses air and solid insulation materials instead of insulating oil, providing higher safety, environmental protection, and easier maintenance.<\/p>\n

                              It is widely used in commercial buildings, industrial facilities, renewable energy projects, data centers, and indoor power distribution systems.<\/p>\n

                              \n

                              Q2: What are the main advantages of a 30kVA Dry Type Transformer?<\/h2>\n

                              A:<\/strong> The main advantages include:<\/p>\n

                                \n
                              • High safety with no risk of oil leakage or fire caused by transformer oil<\/li>\n
                              • Environmentally friendly operation<\/li>\n
                              • Low energy loss and high efficiency<\/li>\n
                              • Excellent insulation performance<\/li>\n
                              • Strong overload capability<\/li>\n
                              • Superior short-circuit resistance<\/li>\n
                              • Low maintenance requirements<\/li>\n
                              • Stable operation in harsh environments<\/li>\n
                              • Long service life<\/li>\n<\/ul>\n
                                \n

                                Q3: What is the difference between a dry type transformer and an oil immersed transformer?<\/h2>\n

                                A:<\/strong> The main differences are:<\/p>\n

                                \n
                                \n\n\n\n\n\n\n\n\n\n\n
                                Item<\/th>\nDry Type Transformer<\/th>\nOil Immersed Transformer<\/th>\n<\/tr>\n<\/thead>\n
                                Insulation Method<\/td>\nAir and solid insulation<\/td>\nTransformer oil insulation<\/td>\n<\/tr>\n
                                Fire Safety<\/td>\nHigher fire resistance<\/td>\nRequires fire protection measures<\/td>\n<\/tr>\n
                                Installation<\/td>\nSuitable for indoor areas<\/td>\nMainly outdoor applications<\/td>\n<\/tr>\n
                                Maintenance<\/td>\nLower maintenance requirements<\/td>\nRequires oil inspection and maintenance<\/td>\n<\/tr>\n
                                Environmental Impact<\/td>\nNo oil pollution risk<\/td>\nPossible oil leakage risk<\/td>\n<\/tr>\n
                                Application<\/td>\nBuildings, factories, data centers<\/td>\nPower grids, outdoor substations<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

                                Dry type transformers are preferred in locations where safety, environmental protection, and limited maintenance are important.<\/p>\n

                                \n

                                Q4: What voltage options are available for a 30kVA Dry Type Transformer?<\/h2>\n

                                A:<\/strong> ZISHENG provides customized voltage solutions according to project requirements.<\/p>\n

                                Common configurations include:<\/p>\n

                                  \n
                                • High voltage side: 6kV, 10kV, 11kV, 13.8kV, 15kV, 20kV, 35kV, or customized<\/li>\n
                                • Low voltage side: 400V, 415V, 480V, 690V, or customized<\/li>\n<\/ul>\n

                                  The voltage ratio can be designed according to different countries’ power systems and customer requirements.<\/p>\n

                                  \n

                                  Q5: Is the 30kVA Dry Type Transformer available with copper winding?<\/h2>\n

                                  A:<\/strong> Yes. ZISHENG 30kVA Dry Type Transformer can be manufactured with copper or aluminum windings.<\/p>\n

                                  Copper winding advantages:<\/p>\n

                                    \n
                                  • Higher electrical conductivity<\/li>\n
                                  • Better efficiency<\/li>\n
                                  • Stronger mechanical performance<\/li>\n
                                  • Better overload capability<\/li>\n
                                  • Longer service life<\/li>\n<\/ul>\n

                                    The winding material can be selected according to project budget and performance requirements.<\/p>\n

                                    \n

                                    Q6: Can the 30kVA Dry Type Transformer be customized?<\/h2>\n

                                    A:<\/strong> Yes. ZISHENG provides customized transformer solutions, including:<\/p>\n

                                      \n
                                    • Voltage ratio customization<\/li>\n
                                    • Frequency customization (50Hz\/60Hz)<\/li>\n
                                    • Copper or aluminum winding selection<\/li>\n
                                    • Different insulation classes<\/li>\n
                                    • Protection enclosure design<\/li>\n
                                    • Special environmental design<\/li>\n
                                    • Terminal configuration<\/li>\n
                                    • Installation dimensions<\/li>\n<\/ul>\n

                                      Customized solutions help ensure the transformer matches specific project requirements.<\/p>\n

                                      \n

                                      Q7: Where can a 30kVA Dry Type Transformer be installed?<\/h2>\n

                                      A:<\/strong> The transformer can be installed in:<\/p>\n

                                        \n
                                      • Commercial buildings<\/li>\n
                                      • Industrial plants<\/li>\n
                                      • Hospitals<\/li>\n
                                      • Schools<\/li>\n
                                      • Shopping centers<\/li>\n
                                      • Data centers<\/li>\n
                                      • Solar power projects<\/li>\n
                                      • Energy storage systems<\/li>\n
                                      • Telecom facilities<\/li>\n
                                      • Indoor substations<\/li>\n<\/ul>\n

                                        For outdoor installation, suitable protective enclosures can be provided.<\/p>\n

                                        \n

                                        Q8: Does the 30kVA Dry Type Transformer require regular maintenance?<\/h2>\n

                                        A:<\/strong> Dry type transformers require less maintenance compared with oil immersed transformers.<\/p>\n

                                        Routine maintenance mainly includes:<\/p>\n

                                          \n
                                        • Checking ventilation conditions<\/li>\n
                                        • Cleaning dust from surfaces<\/li>\n
                                        • Inspecting electrical connections<\/li>\n
                                        • Checking temperature indicators<\/li>\n
                                        • Performing insulation tests when required<\/li>\n<\/ul>\n

                                          Proper maintenance helps extend transformer service life and maintain stable performance.<\/p>\n

                                          \n

                                          Q9: How does ZISHENG ensure the quality of 30kVA Dry Type Transformers?<\/h2>\n

                                          A:<\/strong> ZISHENG applies strict quality control throughout the production process.<\/p>\n

                                          Quality procedures include:<\/p>\n

                                            \n
                                          • Raw material inspection<\/li>\n
                                          • Core manufacturing inspection<\/li>\n
                                          • Winding process control<\/li>\n
                                          • Insulation testing<\/li>\n
                                          • Voltage ratio testing<\/li>\n
                                          • No-load loss testing<\/li>\n
                                          • Load loss testing<\/li>\n
                                          • Short-circuit performance testing<\/li>\n
                                          • Final inspection before shipment<\/li>\n<\/ul>\n

                                            Each transformer is tested to ensure reliable operation and compliance with customer requirements.<\/p>\n

                                            \n

                                            Q10: What standards does the 30kVA Dry Type Transformer comply with?<\/h2>\n

                                            A:<\/strong> ZISHENG transformers can be designed and manufactured according to international and regional standards, including:<\/p>\n

                                              \n
                                            • IEC standards<\/li>\n
                                            • ANSI standards<\/li>\n
                                            • Customer-specific technical requirements<\/li>\n
                                            • Local electrical regulations<\/li>\n<\/ul>\n

                                              The exact standard can be confirmed according to the destination country and project specifications.<\/p>\n

                                              \n

                                              Q11: What is the expected service life of a 30kVA Dry Type Transformer?<\/h2>\n

                                              A:<\/strong> With proper installation and maintenance, a high-quality dry type transformer can typically provide decades of reliable operation.<\/p>\n

                                              The service life depends on:<\/p>\n

                                                \n
                                              • Operating temperature<\/li>\n
                                              • Load conditions<\/li>\n
                                              • Installation environment<\/li>\n
                                              • Maintenance practices<\/li>\n
                                              • Insulation system quality<\/li>\n<\/ul>\n

                                                ZISHENG uses reliable materials and strict manufacturing processes to improve transformer durability.<\/p>\n

                                                \n

                                                Q12: Why choose ZISHENG as a 30kVA Dry Type Transformer supplier?<\/h2>\n

                                                A:<\/strong> ZISHENG provides:<\/p>\n

                                                  \n
                                                • Professional transformer manufacturing experience<\/li>\n
                                                • Advanced production facilities<\/li>\n
                                                • Strict quality management<\/li>\n
                                                • Factory-direct competitive pricing<\/li>\n
                                                • Flexible customization capability<\/li>\n
                                                • Reliable production capacity<\/li>\n
                                                • Export experience in global markets<\/li>\n<\/ul>\n

                                                  ZISHENG focuses on delivering safe, efficient, and reliable transformer solutions for power distribution projects worldwide.<\/p>","protected":false},"excerpt":{"rendered":"

                                                  The 30kVA Dry type transformer complies with ANSI, CSA, NEMA, IEEE, IEC, GB, and DOE standards. NPC ELECTRIC manufactures dry-type transformers in strict accordance with the highest industry and international standards. The 30kVA dry-type transformer provides dependable, oil-free power transformation for indoor environments, stepping down primary voltages such as 480V Delta, 600V, 11kV, or 10kV to secondary outputs like 208Y\/120V, 480Y\/277V, or 400Y\/230V in three-phase configurations.<\/p>","protected":false},"featured_media":1628,"template":"","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false},"product_brand":[],"product_cat":[75],"product_tag":[],"class_list":["post-1627","product","type-product","status-publish","has-post-thumbnail","product_cat-dry-type-transformer","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product\/1627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/media\/1628"}],"wp:attachment":[{"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/media?parent=1627"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product_brand?post=1627"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product_cat?post=1627"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.zishengelectric.com\/fr\/wp-json\/wp\/v2\/product_tag?post=1627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}