2013年6月5日星期三

China's photovoltaic power generation risks and problems faced by


Since 2005, subject to policy incentives and the interests of drivers, on a global scale, the market is doubling year by year trend. In China, since 2009, "Optical architecture", "Golden Sun Demonstration Project" and the desert of Dunhuang large photovoltaic power plants and other projects to start bidding after a few years, photovoltaic impressive achievements, remarkable!

The beginning of April this year, the Ministry of Finance set aside additional renewable energy tariff subsidies, subsidies for how to build solar panels power just over 2.4 billion. Currently, large ground station, the only year in Qinghai Province announced the amount of PV installed as a GW, other provinces will not be less than 2 GW. So this year, China's PV installed entirely possible to achieve 5GW, and may even be more. Some experts predict: 2013 ~ 2015 China's annual installed capacity will remain at 5GW, 2015 year cumulative reach 23.4GW.

In policy and market dual-drive, China's PV market is beginning to fully commercial direction, while the user side approaching grid parity era, development of the industry enthusiasm continues to climb. However, in the construction of passion behind it lurks crisis has become more evident as we drove the rapid development of economic train, the risk of bubbles was vigilant to ensure its sustainable and healthy development. But decades of China's PV development, can not only define measurable criteria for the completion of the installed capacity installed.

Of course, there is no problem to complete installed, but for the life cycle as long as two decades of power plant projects, how to grasp the quality equipment to ensure that it runs in a longer period of stability, failing that, to build a wholesale level is low, not even power stations, energy-saving green businesses last mess formalism, only the state of human, material and financial resources of the great waste.

What are the problems the quality  photovoltaic inverter power plants? In the power plant's entire life cycle of how to achieve effective prevention and control? Foreign widespread distributed power station in China, what reference? China's current development of photovoltaic power plants What are the obstacles? In my opinion, the current PV mainly in the following several aspects:

First, the equipment operation safety needs to be improved. Is it safe to run power plant equipment, mainly consider three aspects: the inverter cooling, combiner box, and components of the diode. Three are the main threat to the fire station factor. Short circuit caused the fire, which is the international power plant operators primary concern. According to reports: a plant in a foreign fire after, until the smoke billowing essentially blocking the sunlight, firefighters began treatment.

If a similar failure, Chinese companies also could not immediately addressed, because this time there is a power above. Has not found an effective fire plan, water fire will conductive; solid foam components at an angle above can not stay; gas fire, so in the construction of power stations, it should fully refined power plant safety measures, considering the fire, earthquake, etc. emergency rapid response plan. For example: a foreign power station identification, it is understood that China's power plants are not built like logo appears. This is China's relevant departments and related businesses should think deeply.

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