TüV Certifies Solis Inverters as “Outstanding Product Quality”


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On June 30th, 2020, the 2020 “All Quality Matters” Solar Congress Award Ceremony, organized by TÜV Rheinland, took place in Suzhou, Jiangsu. Ginlong Solis has been honored with the TÜV Rheinland’s “All Quality Matters” award for its commercial inverters Solis-(25-50)K-5G in recognition for the outstanding product quality in 2020.


“All Quality Matters” was a ceremony organized by TÜV Rheinland where the measured results of the efficiency of ” PV Inverter for Commercial Use (50kW) ” were published. This measured are designed to verify the main indicators affecting the power generation of the photovoltaic system through the long-term rigorous test data records of the photovoltaic inverter, which have been recognized and supported by industry experts, authorities, owners and manufacturers.


TÜV Rheinland “All Quality Matters” announces the testing results of the efficiency of “commercial medium-power photovoltaic inverter 50kW”. Solis-(25-50)K-5G photovoltaic inverter has stable input capability, EU efficiency, power quality, output capability, and thermal stability. In the TÜV test, the overall performance wins. Among them, the input capability and output capacity get full marks, and the first “commercial medium-power photovoltaic inverter”, becoming the trusted choice for commercial and industrial distributed photovoltaic quality.

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The “All Quality Matters” Solar Congress which has become a platform for PV industry-wide exchanges, brings together more than 400 representatives, experts, and scholars from the PV industry supply chain, focusing on the PV revolution in Asia-Pacific and wider global economies. Notable figures were invited to provide their interpretations on the existing status and development trends of the global PV market.  They gave introductions to the opportunities and challenges faced in China, Australia, Japan, the Middle East, and other PV markets, and shared their insights on cutting-edge technological innovations, trends in standard certification and best business practices, etc., providing guidance for PV leaders in promoting the vigorous development of the photovoltaic industry.

Over the years one of the strengths of Solis has been the high quality of its Commercial inverters, especially Solis-(25-50)K-5G which enjoys the following advantages:

Higher efficiency and power generation

• DC input current 13A DC/AC ratio 1.5

• Wider MPPT voltage range low start-up voltage, and 4 MPPT, increasing efficiency and decreasing losses

• Volt-watt working mode and integrated anti-PID function

O&M advantages for cost-effective fault monitoring

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• Intelligent strings monitoring IV curve scan

• Export power management, remote-control technology and DC reverse alarm function

• Leakage current suppression technology and Surge protection reduces the likelihood of false alarms

“We thank TÜV Rheinland for awarding Ginlong (Solis), this is the biggest recognition and praise for our technical innovation. Our Solis (25-50)K-5G three phase series string inverter adopt 4 MPPT desigh to provide a more flexible configuration scheme with a smaller environmental impact rate and higher generation efficiency. Whose operation is so quiet, just like a whisper, thus creating a more comfortable and friendly working and living environment. For many years, Solis has marched ahead hand in hand with TÜV Rheinland, upholding the mission of build a cooperation and exchange platform for the PV industry,” said one representative of Ginlong (Solis), who felt quite grateful and excited: “China’s PV industry has successfully completed its upgrade from ‘quantity’ to ‘quality,’ and in the time of fair prices and even lower prices to come, we will still hold high the flag of quality and pursue the concept of ‘Quality’ as always. Each of us will employ our respective advantages and contribute our wisdom and expertise to help the industry resolve handicaps, promote the innovation and advancement of PV technologies in China hand in hand, and propel steady growth of the PV sector. This 50kW witnessed Solis’s professional experience accumulated for 15 years in the global PV field! “

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Extended Reading: TÜV Rhineland, founded in 1872, is the world’s leading third-party authoritative testing agency. In the global new energy industry, it has strength in testing, certification and technical evaluation, and has become the synonym of “safety and quality” in the hearts of global consumers and enterprises.

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