Is there a series-parallel structure for all-DC wind power generation systems?

Due to the various drawbacks of traditional AC wind farms, this article proposes a new series–parallel structure for all-DC wind power generation systems with typical characteristics of DC convergence and DC transmission. Compared to general series DC wind farms, the topology proposed in this article incorporates a parallel part.

Does a DC wind turbine run stably?

The simulation results show that the system runs stably when the rated power output of the DC wind turbine is achieved. In order to facilitate the analysis of the operating characteristics of the system, the output characteristics of the DC wind turbine are represented by the DC component of the outlet voltage.

Can a DC collector boost the outlet voltage of a wind turbine?

The authors of propose to boost the outlet voltage of each DC wind turbine through a DC collector, but this topology requires each DC wind turbine to be connected to a DC collector, which can greatly increase the consumption of cables and the cost of the power generation system.

How is wind energy power generation and storage implemented?

In this paper, standalone operation of wind energy power generation and storage is discussed. The storage is implemented using supercapacitor, battery, dump load and synchronous condenser. The system is simulated for different power generation and storage capacity. The system is regulated to provide required voltage.

Do all-DC wind power systems require bulky frequency transformers?

Such technology does not require bulky frequency transformers and can well solve the aforementioned problems of reactive currents and overvoltage. This paper proposes a new series–parallel structure for an all-DC wind power generation system.

Are all-DC wind turbines better than AC transmission?

However, the use of all-DC wind turbines, together with DC convergence and DC transmission systems, has obvious advantages over AC transmission in terms of transmission losses and expandability. Such technology does not require bulky frequency transformers and can well solve the aforementioned problems of reactive currents and overvoltage.