High-voltage variable frequency energy storage power station

What is high voltage cascaded energy storage power conversion system?

High voltage cascaded energy storage power conversion system, as the fusion of the traditional cascade converter topology and the energy storage application, is an excellent technical route for large capacity high voltage energy storage system, but it also faces many new problems.

What is pumped-storage power station?

The pumped- storage power station can achieve long-term storage of large-capacity power by itself. The multiple-energy- combined pumped-storage station can also improve the quantity of new energy connecting to the power grid on the premise of guaranteeing the stability and safety of the Global Energy Interconnection 240 power grid.

Can variable-speed pumped-storage technology improve the operational flexibility of traditional power stations?

The operational flexible of the traditional pumped-storage power station can be improved with variable-speed pumped-storage technology. Combined with chemical energy storage, the failure to achieve second-order response speed and the insufficient safety and reliability of pumped-storage power units could be solved.

What is the drive system of a variable speed pump-storage power station?

The drive system of a variable speed pump-storage power station consisting of a doubly-fed induction machine with a 3-level voltage source inverter feeding the rotor is presented. The advantages of variable speed pump-storage power stations are outlined.

What are the advantages of pumped storage-power stations?

The power response speed of the new pumped- storage station can reach the millisecond level, which greatly enhances the safety, reliability, and comprehensive adjustment capability of original large-scale pumped storage-power stations. Both sunlight and water resources are green and clean energy.

What is the largest grid-forming energy storage station in China?

This marks the completion and operation of the largest grid-forming energy storage station in China. The photo shows the energy storage station supporting the Ningdong Composite Photovoltaic Base Project. This energy storage station is one of the first batch of projects supporting the 100 GW large-scale wind and photovoltaic bases nationwide.