Abstract
With the capacity of new energy resources such as wind power and photovoltaic in Zhangbei region increasing rapidly, the reliable transmission and consumption capabilities of large-scale and high-proportion new energy resources are urgently improved. Considering the advantages of the VSC-HVDC transmission technology, Zhangbei project is designed as symmetrical bipolar system which adopts half-bridge modular multi-level converter (MMC) topology and overhead lines for power transmission. In this paper, a system scheme was presented, and some results were provided. Meanwhile, a novel modular cascaded hybrid DC breaker concept was proposed, and 500 kV VSC valve and DC breaker prototype were developed to meet the requirement of the Zhangbei four-terminal DC grid.
| Translated title of the contribution | Research on Key Technology and Equipment for Zhangbei 500 kV DC Grid |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 2097-2106 |
| Number of pages | 10 |
| Journal | Gaodianya Jishu/High Voltage Engineering |
| Volume | 44 |
| Issue number | 7 |
| DOIs | |
| State | Published - 31 Jul 2018 |
