The TÜV Rheinland Solar, Energy Storage Components, and Cables Seminar, held on August 5-6, 2021, brought together industry leaders, engineers, and experts to discuss the latest developments in solar energy, energy storage, and cable technology. The event provided a platform for knowledge sharing, discussions on new standards, and networking opportunities, offering invaluable insights into the future of these critical sectors.

The seminar, hosted by TÜV Rheinland Greater China’s Solar and Commercial Products Services, focused on key topics related to photovoltaic (PV) systems, energy storage, and cable solutions. Experts from across the globe presented on the latest advancements, emerging applications, and industry standards that are shaping the future of renewable energy.

Zhejiang Sowell Electric Co., Ltd., a recognized player in the solar energy sector, actively participated in the event, showcasing its commitment to the development and adoption of industry-leading standards and innovative solutions.

Day 1: In-Depth Technical Sessions on PV Components and Standards

12:30 PM – Registration

The event kicked off with an official registration session where attendees from various sectors of the energy and manufacturing industries began networking and preparing for the series of technical discussions that would follow.

1:30 PM – Opening Speech by Mr. Xia Bo, Vice President of TÜV Rheinland Greater China Solar & Commercial Products Services

Mr. Xia Bo delivered the opening speech, welcoming all attendees and setting the stage for the two-day event. He emphasized the significance of continuing to advance standards in the rapidly evolving PV and energy storage markets, underscoring TÜV Rheinland’s role in ensuring safety, quality, and innovation.

1:50 PM – Mr. Lou Wanping, Senior Project Engineer: Interpretation of New Standards IEC 62790, IEC 62852, & IEC 63126

Mr. Lou Wanping took the stage to provide an in-depth overview of the new international standards for photovoltaic systems. These standards, which include IEC 62790, IEC 62852, and IEC 63126, are critical in ensuring the reliability, safety, and performance of solar components and systems. He discussed how these updates will impact manufacturers and installers globally, driving standardization and quality assurance in the solar industry.

2:15 PM – Mr. Zhao Yiou, Department Manager: Introduction to Engineering Plastics for Photovoltaics

Mr. Zhao Yiou shared valuable insights into the role of engineering plastics in the PV sector. These materials are vital for creating durable, efficient, and weather-resistant components in solar energy systems. His presentation explored the wide range of applications for plastics in PV connectors, junction boxes, and more, emphasizing how new materials are improving system longevity and performance.

2:35 PM – Mr. Yi Qingfeng, R&D Director: Photovoltaic Junction Boxes and Connector Materials Solutions

Mr. Yi Qingfeng discussed the latest innovations in materials for photovoltaic junction boxes and connectors. His talk highlighted the challenges of balancing electrical performance with environmental durability and cost-effectiveness. The solutions presented aim to increase energy efficiency and reduce system downtime, ensuring solar power systems operate at peak performance for longer periods.

3:05 PM – Coffee Break

A brief coffee break allowed participants to engage in informal discussions, exchange ideas, and network with peers.

3:25 PM – Mr. Liu Xueliang, Senior Project Manager: Introduction to PV System Component Standards

Mr. Liu Xueliang took the floor to discuss the latest standards for PV system components. He provided a detailed breakdown of key industry requirements for connectors, cables, and other essential parts, explaining how adherence to these standards ensures system compatibility, safety, and long-term performance.

3:55 PM – Mr. Liu Bo, Department Manager: Emerging Applications of Photovoltaic Cables

The next session covered the emerging applications of photovoltaic cables, focusing on how these components are evolving to meet the needs of advanced PV systems. Mr. Liu Bo discussed the challenges and opportunities related to cable performance, with a particular focus on optimizing materials for maximum efficiency in various climate conditions.

4:20 PM – Mr. Wang Guancai, Technical Director: Cable Materials and System Voltage Challenges

Mr. Wang Guancai’s presentation explored the challenges that increasing system voltage poses for cable materials. With higher voltage systems becoming more common, the demand for high-performance cables that can withstand these conditions is growing. He highlighted how material science is evolving to meet these needs while ensuring safety and reliability.

4:50 PM – Mr. Cheng Ziyi, Department Manager: Future Outlook on Low Voltage Systems and Component Requirements

Mr. Cheng Ziyi provided a forward-looking perspective on the requirements for components in low voltage systems. With an emphasis on emerging trends in energy storage and grid applications, his talk explored the evolving expectations for safety, reliability, and performance in these systems.

5:15 PM – Mr. Jing Changzhong, Product Manager: Heat Dissipation Research and Solutions for Bypass Diodes in High-Current Systems

The day concluded with a session from Mr. Jing Changzhong, who discussed the challenges of managing heat dissipation in high-current systems, particularly in bypass diodes. He shared innovative solutions to mitigate overheating, which is critical in maintaining the efficiency and lifespan of solar modules.

6:30 PM – Baohu Ke Night

The first day wrapped up with a social event, "Baohu Ke Night," offering participants the chance to relax, network, and build stronger professional relationships in an informal setting.

Day 2: Advancing Solar and Energy Storage Connector Standards

9:00 AM – Mr. Zhao Banggui, Senior Engineer: Application Scenarios and Product Features of Copper-Aluminum Photovoltaic Connectors

Day two opened with Mr. Zhao Banggui’s presentation on the applications and product features of copper-aluminum photovoltaic connectors. He highlighted the key benefits of these connectors, including improved conductivity, reliability, and cost-effectiveness. This session was crucial for professionals looking to optimize their systems with hybrid connector solutions.

9:30 AM – Ms. Zhou Jing, Department Manager: Certification Solutions for Copper-Aluminum Photovoltaic Connectors

Following Mr. Zhao’s talk, Ms. Zhou Jing delved into the certification solutions available for copper-aluminum connectors. Certification is essential for ensuring compliance with safety and performance standards. She provided valuable guidance on navigating the certification process to streamline product deployment in the global market.

9:55 AM – Mr. Liu Bo, Department Manager: Interpretation of Aluminum Alloy Photovoltaic Cable Standards

Mr. Liu Bo returned for a second session to present an interpretation of the latest standards for aluminum alloy photovoltaic cables. His talk focused on the advantages of aluminum alloys in reducing weight while maintaining excellent electrical performance, as well as the challenges associated with ensuring long-term reliability in harsh environmental conditions.

10:15 AM – Mr. Wu Changshun, Chairman: Research Applications of Copper-Aluminum Conversion Cables in Photovoltaic Systems

Mr. Wu Changshun explored the research and practical applications of copper-aluminum conversion cables in photovoltaic systems. As PV systems become more complex, the demand for innovative solutions that can optimize power transmission efficiency is growing. His session outlined the cutting-edge work being done to improve conversion cable technology.

10:40 AM – Copper-Aluminum Cable and Terminal Connection Standards Launch & Certification Ceremony

A significant moment of the seminar was the launch of new standards for copper-aluminum cables and terminal connections. This was followed by a certification ceremony for aluminum alloy cables and energy storage system connectors, recognizing the achievements of companies that have met the new industry standards.

11:10 AM – Mr. Zhuang Mingjie, Project Manager: 2PfG 2740 Standards for Energy Storage System Connectors

Mr. Zhuang Mingjie provided an overview of the 2PfG 2740 standard for energy storage system connectors. This standard is vital for ensuring the safe and efficient operation of energy storage systems, which are becoming an increasingly important part of the renewable energy ecosystem.

11:35 AM – Mr. Wei Siwen, Project Manager: 2PfG 2740 Standards for Energy Storage System Cables

Finally, Mr. Wei Siwen concluded the seminar with a session on the 2PfG 2740 standard for energy storage system cables. He discussed how these cables must meet rigorous standards for safety, performance, and longevity to support the growing demand for energy storage solutions.
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