Why are power grid dispatchers facing a security problem in Southwest China?

The rapid growth of distributed photovoltaic and wind power installed capacity in Southwest China has reduced the operation safety margin of the power grid. Power grid dispatchers face the dilemma of ensuring security of the power grid and the output curtailment of renewable energy.

Are there any micro-grid demonstrations built in China?

There are several micro-grid demonstrations are built in China for research and/or power supply for rural areas or islands. To introduce the effect and progresses of China on micro-grids, the available micro-grids are comprehensive reviewed in the following section.

What is the research on DC microgrids in China?

From 2009 to 2016, research on DC microgrids in China has gradually involved many different aspects, such as the study of DC microgrid power electronic converters, DC circuit breakers, and other key equipment, as well as operation control technology, protection, and energy management. 1.2 China’s Current and Planned Policies Regarding MG

What is the development process of micro-grids in China?

Similar to other countries, development of micro-grids in China has gone through from the early stage of AC microgrids to the current varieties of AC, DC and hybrid AC/DC micro-girds based on their applications. Many technical problems have been solved and new problems are continuously appeared during the development process.

What are the prospects for microgrids in China?

With the continuous promulgation of new policies, continuous technological improvement, continuous declines in construction costs, and the improvement of standards for microgrid deployment and operation, the construction of microgrids will show explosive growth, and the prospects for microgrids are bright in China.

Will China's distributed energy Microgrid technology reach the International Advanced Level?

It is predicted that by 2020 China’s distributed energy microgrid technology will reach the international advanced level. As domestic and foreign supply and demand conditions are difficult to balance in the short term, the microgrid industry has a strong market demand.