The NKE-DTTS-AUTO/500 fully automatic distribution transformer test system is part of the NKE-DTTS-AUTO series, specifically developed for **small single-phase distribution transformers**. It strictly complies with both IEC 60076 and IEEE C57.12.90-2021 international standards, focusing on standardized factory acceptance tests for single-phase transformers rated at 36 kV and with a capacity of 500 kVA. The equipment is precisely tailored to testing pole-mounted and ground-mounted transformers, covering low-voltage ranges from 0.12 kV to 1.5 kV and impedance levels from 2% to 8%, making it a dedicated high-precision solution for batch testing small-capacity distribution transformers. The entire system features an integrated cabinet design, combining a variable-frequency power supply, intermediate transformers, a high-precision measurement system, and an intelligent selector switch. Its compact structure allows for flexible deployment without requiring complex infrastructure. Equipped wi
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The NKE-DTTS-AUTO/5000 fully automatic distribution transformer test system belongs to the NKE-DTTS-AUTO series of fully automatic testing equipment, specifically designed for batch factory acceptance tests of small and medium-sized medium- and high-voltage distribution transformers, strictly adhering to both IEC 60076 and IEEE C57.12.90-2021 international standards. The equipment can accommodate dry-type and oil-immersed transformers with a maximum voltage rating of 38.5 kV and a capacity of 5000 kVA, comprehensively covering all factory acceptance test requirements for single-phase transformers up to 500 kVA and three-phase transformers up to 10,000 kVA, spanning the full voltage range of 4.16 kV–38.5 kV. The entire system features an integrated cabinet design, tightly combining a variable-frequency power supply, intermediate transformers, a high-precision measurement system, and an intelligent selector switch, resulting in a compact structure and easy deployment. Equipped with indus
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The NKE-DTTS-AUTO/10000 fully automatic distribution transformer test system is the high‑end model in the NKE-DTTS-AUTO series, specifically designed for batch factory acceptance testing of medium and large‑capacity distribution transformers. It strictly complies with both IEC 60076 and IEEE C57.12.90-2021 international standards. The equipment can accommodate transformers up to 38.5 kV and 10,000 kVA, covering all factory acceptance tests for oil‑immersed and dry‑type transformers ranging from 500 kVA single‑phase to 10,000 kVA three‑phase, within the 4.16 kV–38.5 kV voltage range. Leveraging an ultra‑high measurement accuracy of Class 0.05, it enables standardized, high‑precision testing operations. The entire unit features an integrated design housed in a standard 20‑foot container, incorporating a variable‑frequency power supply, intermediate transformers, compensation capacitors, a high‑precision measurement system, and a fully automatic transfer switch. Its compact, well‑organize
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The NKE-DTTS-SE/5000 semi-automatic distribution transformer test system is a **vehicle-mounted, container-integrated** medium- and high-voltage transformer testing device that strictly complies with the IEC 60076 and IEEE C57.12.90-2021 international standards. It specializes in high-precision factory acceptance testing for transformers rated at 36 kV and with a capacity of 5,000 kVA. The equipment is compatible with all types of oil-immersed and dry-type distribution transformers, covering full specifications from 36 kV to 4.16 kV on the high-voltage side and from 0.12 kV to 1.5 kV on the low-voltage side, with impedance adaptation ranging from 2% to 10%. It serves as dedicated equipment for routine factory tests, on-site acceptance inspections, and standardized certification testing of medium- and small-sized high-capacity transformers. The entire unit integrates the distribution cabinet, variable-frequency power supply, intermediate transformer, compensation capacitor, measurement
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The NKE-DTTS-SE/30000 semi-automatic distribution transformer test system is an integrated, standardized containerized comprehensive testing device for transformers, strictly compliant with IEC 60076 and IEEE C57.12.90-2021 international standards. It is specifically designed for factory acceptance testing of medium- and large-capacity distribution transformers. The equipment supports full-range factory tests for oil-immersed and dry-type transformers across all voltage levels from 4.16 kV to 34.5 kV, with capacities ranging from 5,000 kVA to 30,000 kVA. It accommodates both three-phase and single-phase transformers, leveraging high-precision measurement configurations and a semi-automatic operating workflow to automatically perform test calculations and generate reports, making it the core equipment for efficient and compliant testing of medium- and high-voltage, large-capacity transformers. The entire system integrates the distribution cabinet, variable-frequency power supply, interm
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The design and construction of transformer test stations is a comprehensive, end-to-end service tailored for the global power industry. Leveraging 15 years of deep industry expertise, we can undertake transformer test station projects across the full voltage range from 4.16 kV to 1000 kV, meticulously custom-built in strict compliance with both IEC 60076 and IEEE C57.12.90-2021 international standards. Our services span the entire process—from preliminary planning and customized solutions to equipment integration, construction, installation and commissioning, as well as operation and maintenance training—providing a one-stop solution to establish professional transformer test facilities that are standardized, compliant, and intelligent. The complete solution includes a full suite of testing equipment, such as lightning impulse generators, oil‑testing apparatus, partial discharge testers, and shielded rooms. We can also configure specialized functional areas on demand, including smart t
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The NPTTS-HC/20 transformer test capacitor is a core product of the NPTTS-HC series, serving as a dedicated key component for power transformer test stations. It is typically used in conjunction with high-voltage variable-frequency power supplies and has been specifically developed and designed for transformer load testing applications. The equipment features a Y/Δ switching interface that enables large-capacity reactive power compensation, effectively reducing the capacity requirements of the main power supply during transformer load tests. Paired with a high-voltage variable-frequency power supply, it delivers a low-distortion sinusoidal power source with adjustable frequency and voltage. The entire system supports personalized customization, providing a stable, efficient, integrated solution for power supply and reactive power compensation in various transformer testing scenarios. The complete unit adopts an integrated design housed in a 20-foot container, offering a compact structu
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The NPTTS-HC/40 high-voltage test capacitor is a core auxiliary device for power transformer test stations. It belongs to the NPTTS-HC series of containerized compensation capacitor banks and is typically used in conjunction with a high-voltage variable-frequency power supply, specially designed for transformer load testing scenarios. The equipment can achieve large-capacity reactive power compensation through Y/Δ switching, effectively reducing the power supply capacity requirements for transformer load tests. When paired with a high-voltage variable-frequency power supply, it can output a low-distortion sine wave power source with adjustable frequency and voltage. The entire system supports full-parameter customization, providing a stable, efficient, integrated solution for power supply and reactive power compensation in various transformer testing applications. The complete unit features an integrated 40-foot container design, incorporating standardized capacitor banks and an intell
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The high-voltage variable-frequency power supply is a core auxiliary device for power transformer test stations, often used in conjunction with the NPTTS-HC series containerized reactive compensation capacitor banks to provide stable power supply and reactive power compensation support for various transformer tests. The NPTTS-HC series reactive compensation capacitor banks can achieve large-capacity reactive power compensation through Y/Δ switching, effectively reducing the power supply capacity requirements during load testing; the high-voltage variable-frequency power supply can output low-distortion standard sine waves with adjustable frequency and voltage, and both devices support customized parameter settings. This high-voltage variable-frequency power supply allows flexible adjustment of output voltage and frequency, features a compact structure and convenient operation, and can replace traditional generator sets, making it widely applicable to various high-voltage transformer te
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The transformer testing equipment is a comprehensive, full‑lifecycle professional testing suite specially developed for power transformers. It can fully perform core test items such as DC resistance, turns ratio, no‑load/load losses, insulation resistance, dielectric loss, partial discharge, winding deformation, and oil chromatography analysis, accurately assessing the transformer’s electrical performance, insulation condition, and mechanical reliability, thereby comprehensively ensuring the safe and stable operation of the power system. The complete set includes eight core testing instruments, covering all categories of equipment for high‑voltage impulse testing, electrical parameter measurement, and transformer oil analysis. It is suitable for various scenarios, including factory acceptance testing, operational maintenance inspections, fault diagnosis, and acceptance certification, enabling one‑stop provision of complete testing equipment for all required tests and meeting domestic a
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Wuxi Yineng Power Equipment Co., Ltd. Fully Automatic Transformer Intelligent Testing System 2025, Eighth Intelligent Testing Station (Part One): Online Dry-Type Transformer Single-Connection Testing System
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Wuxi Yineng Power Equipment Co., Ltd. Semi-Automatic Transformer Intelligent Testing System 2025, Eighth Intelligent Testing Station (Part II): Offline Large-Capacity Three-Phase Transformer Intelligent Testing System
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In June 2026, Nanke Electric, a national-level specialized, refined, distinctive, and innovative enterprise, deployed a 35kV fully automated distribution transformer testing system for Zhejiang ZhiDian Amorphous, providing a one-stop solution to meet the factory inspection requirements for multiple specifications of amorphous alloy transformers as well as the R&D testing needs for new products.
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In May 2026, Nanke Electric delivered its first fully automated distribution transformer testing system to Zhejiang Hubei Power, covering all standardized factory acceptance tests for transmission and distribution transformers as well as photovoltaic new-energy transformers.
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In August 2025, Nanke Electric delivered two differentiated fully automated transformer testing production lines to Igor’s Fort Worth plant in the United States, compliant with 50/60 Hz North American standards, enabling fully automated quality inspection for both single-phase and three-phase oil-immersed transformers.
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Nanke Electric has customized a complete set of large-scale transformer comprehensive test equipment for Igor New Energy’s Mexico base, compatible with North American 50/60 Hz operating conditions. The system integrates fully automated routine, type, special, and oil‑testing procedures, and is scheduled to be officially commissioned in July 2026.
View More >In April 2026, Nanke Electric installed a fully automated distribution transformer testing system for Wenzhou Lulai Electrical Technology Co., Ltd., enabling one-stop standardized quality inspection of various pad-mounted substations and transformers.
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In April 2026, Nanke Electric completed the installation and commissioning of a fully automated distribution transformer testing system for Wenzhou Junlang Electric, enabling fully automated factory-quality inspection for all types of transformers and helping the company improve quality and efficiency.
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Nanke Electric has customized an integrated containerized transformer testing system for GIGA ENERGY in Houston, USA, which was officially put into operation in June 2026, meeting the requirements for fully automated factory quality inspection of American-style pad-mounted transformers.
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This semi-automatic intelligent transformer testing system is custom-designed for a large Indonesian transformer manufacturer, capable of performing all seven factory acceptance tests for dry-type transformers and meeting the high-precision testing requirements of large-capacity transformers. The equipment employs a phased wiring approach, aligning with the factory’s mass-production quality-inspection workflow, and, backed by mature technology and one-stop on-site service, ensures long-term stable operation.
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