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Intersolar Europe looks ahead to the development of the European photovoltaic market.

Intersolar Europe looks ahead to the development of the European photovoltaic market.

26

2022

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05

Jiangsu Province’s Suzhou City has released its 14th Five-Year Plan for Energy Development: by 2025, the installed capacity of photovoltaic power will reach 4.6 GW.

Jiangsu Province’s Suzhou City has released its 14th Five-Year Plan for Energy Development: by 2025, the installed capacity of photovoltaic power will reach 4.6 GW.

26

2022

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05

Tongtai Classroom, Session 1: Attributing to the Inner Self—Unparalleled Strength

Tongtai Classroom, Session 1: Attributing to the Inner Self—Unparalleled Strength

Suzhou Tongtai New Energy Technology Co., Ltd. boasts a dedicated team of experts in junction box development and design. Leveraging the robust R&D capabilities of the Shanghai Jiao Tong University Solar Energy Research Institute, the company is committed to the research, design, and manufacturing of the Reliable‑Box photovoltaic bypass‑integrated module junction box, offering a comprehensive solution for bypass‑integrated module junction boxes within photovoltaic connection and protection systems. Since its market launch, the product has received consistent acclaim from customers both domestically and internationally, and the company has established strong collaborative relationships with numerous globally renowned module manufacturers. We are eager to provide high‑performance products to clients at home and abroad, and we look forward to working hand in hand with you to contribute to the advancement of the photovoltaic industry.

26

2022

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05

Expressing heartfelt sentiments on the Dragon Boat Festival, sharing joy and prosperity through zongzi.

Expressing heartfelt sentiments on the Dragon Boat Festival, sharing joy and prosperity through zongzi.

In the heartwarming month of May, the fragrant aroma of zongzi leaves fills the air. As the traditional Dragon Boat Festival approaches, Suzhou Tongtai New Energy organized a zongzi‑making competition under the theme “Festival Spirit, Tongtai Unity,” aiming to enrich employees’ cultural festivities and strengthen team cohesion. More than 200 Tongtai staff gathered together, savoring the festive atmosphere. At 5 p.m., the pre‑prepared ingredients—sticky rice, sweet bean paste, zongzi leaves, candied dates, and more—were neatly arranged on the tables. Participants were divided into ten teams, and at the host’s signal, everyone got to work, quickly finding their rhythm. They rolled up the zongzi leaves, stuffed them with rice, and as the leaves fluttered back and forth, the finished zongzi were tied with string. In the deft hands of each participant, fragrant zongzi leaves and glistening grains of rice were transformed in an instant into beautifully shaped, plump zongzi.

23

2020

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06

High‑Current Module Junction Box Certification: Suzhou Tongtai New Energy has obtained the DEKRA Seal certificate for a 30‑A rated, three‑piece photovoltaic junction box, supporting 166/210 mm large‑wafer modules.

High‑Current Module Junction Box Certification: Suzhou Tongtai New Energy has obtained the DEKRA Seal certificate for a 30‑A rated, three‑piece photovoltaic junction box, supporting 166/210 mm large‑wafer modules.

With the launch of large‑wafer solar cells and modules—such as 166 mm and 210 mm wafers—the power output of photovoltaic modules has reached up to 500 W, bringing us one step closer to grid parity. However, increasing wafer size not only boosts efficiency and power; it also leads to a steady rise in internal current. Recently, Suzhou Tongtai New Energy Technology Co., Ltd. obtained DEKRA’s world‑first DEKRA Seal certification for a three‑part photovoltaic junction box rated at 30 A. This three‑part junction box incorporates the latest generation of modular design, delivering excellent thermal management even under high currents—far exceeding the conventional 18 A—and demonstrating outstanding heat dissipation. The product not only meets the IEC 62790:2014 standard for junction boxes but also significantly outperforms traditional designs in terms of performance and reliability, elevating operational safety and dependability for PV modules, particularly those featuring large 166/210 mm wafers, TOPCon, HIT, and bifacial cells. Mr. Bai Licheng, Director of Solar Services for DEKRA East Asia and South Asia, stated: “Suzhou Tongtai New Energy Technology Co., Ltd. boasts a dedicated team specializing in the development and design of modular junction boxes. Their newly introduced 30 A‑rated junction box is well‑suited to meet the demands of high‑current modules using large wafers, ensuring long‑term reliable operation. Moving forward, we look forward to expanding our collaboration with Tongtai to help domestic PV companies maintain their global leadership.” Mr. Tai Xiaojun, General Manager of Suzhou Tongtai New Energy Technology Co., Ltd., added: “Achieving grid parity swiftly remains a shared goal for the entire photovoltaic industry. While increasing wafer size has indeed led to substantial cost reductions, it has also introduced new technical challenges—for instance, conventional junction boxes with lower current ratings cannot adequately support the reliable operation of high‑current modules. To address these industry pain points, Tongtai has assembled an R&D team that comprehensively strengthens core competencies across power device design, manufacturing, and junction box application development, ensuring that modules equipped with large 166–210 mm wafers can continue to operate reliably over extended periods.” About Suzhou Tongtai New Energy Technology Co., Ltd. Founded in April 2013, Suzhou Tongtai New Energy Technology Co., Ltd. is the world’s first manufacturer of modular junction boxes. Since its inception, the company has been committed to the research, design, and production of Reliable‑Box integrated bypass modules for photovoltaic applications, with the mission of ensuring module safety and reliability. Through this dedication, Tongtai has successfully reshaped and set the direction for advancements in junction box technology. To date, the company holds more than 70 patents and utility model registrations for modular junction boxes, including five international patents. Since entering the market, its products have consistently earned high praise from customers both domestically and internationally. Tongtai has established strong partnerships with numerous globally renowned module manufacturers, contributing meaningfully to the growth of the photovoltaic sector.

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2020

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04

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