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Zhejiang family roof photovoltaic safety standards introduced

  • Source:the Internet
  • Release on :2019-03-18
Recently, the “Technical Standard for Connecting Rooftop Photovoltaic Power Supply to the Grid” jointly drafted by the Zhejiang Provincial Energy Bureau and the State Grid Zhejiang Electric Power Co., Ltd. was officially released, and the key points for household PV safety were clearly defined. This is another important standard for household PV safety technology after the introduction of the family in Anhui Province. The importance of household PV products safety access and technical standards has become increasingly prominent.

Security has become consistent

In the standard documents issued in Zhejiang Province, the key points are clear to ensure the safety of people's lives and property. "Photovoltaic power supply should have technical measures. Under construction, protection and maintenance, etc., it is possible to control the DC voltage of the human body that may be in contact with 120V. Within the limits."

Previously, in September 2018, Anhui Province also issued the "Technical Standard for Fire Protection of Photovoltaic Systems". In terms of safety protection, photovoltaic power plants that require civilian and industrial construction equipment must have fast-closed equipment. "The photovoltaic modules and photovoltaic modules can be quickly A device for rapidly closing a photovoltaic system with an electrical connection between a photovoltaic module and an inverter, an inverter and a grid connection point."

In fact, the standard standards for the safety of home power stations are also strictly required in foreign countries. The US National Electrical Code clearly requires that the construction of a photovoltaic power plant on a house requires a component-level rapid shutdown function, and officially took effect on January 1, 2019. The developed countries such as Japan have also legislated that the family power station must have an emergency such as a fire. Under the urgency shutdown function, the importance of household PV security has become globally consistent.

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Mall battle upgrade

At the household photovoltaic brand conference in China, Shi Lili, a researcher at the Energy Research Institute of the National Development and Reform Commission, said that 2019 is a crucial year for household PV. The development of household PV must be based on quality assurance and safety. The most important thing is to establish Standards, standards, brand awareness.

Undoubtedly, the introduction of safety standards such as “one-button shutdown” for household photovoltaics is an obvious signal, and will directly promote the standardization of household photovoltaic stores. Photovoltaic products whose safety design is not up to standard quality will definitely be driven away from the market in the future. Wang Sicheng, a researcher at the Energy Research Institute of the National Development and Reform Commission, has publicly stated that they have submitted written opinions to the National Energy Administration on how to control the quality and safety of household photovoltaics. They advocate the promotion of the certification system and must not enter the mall without passing the certification.

Under the new competition format, large brands have planned the layout in advance. It is reported that Sun Micro Power's family photovoltaics first developed "Smarter, safer, more power generation" as the central advantage of "Zhiduoxing". Once listed, it is widely recognized by all parties in the market. Built-in security chip can monitor the voltage of each component in real time. Central information such as current, temperature, etc., one-button disconnection in emergency situations, completely avoiding the risk of DC high voltage; at the same time, the faulty components can be actively disconnected independently, and the precise fixed-point inspection does not affect the normal operation of other components of the power station, and it is safer and more. Power generation has become the vane to lead the upgrading of household shopping mall products.

Following the gradual improvement of product safety access standards and the leading of professional leading brands, the 2019 households will have a major change in the format of photovoltaic shopping malls, and the professional development will also shift from a simple increase to a qualitative leap, which is undoubtedly a progressive use of photovoltaic stores. The threshold and standard household PV shopping malls operate to help households play an important role in the development of photovoltaic occupational health.

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