On Frequency Response Control of Future Grid
As the development of ultra-high voltage (UHV) AC and DC transmission system in China, the quantity of unbalanced power caused by a single element fault will continue to increase. The large-scale renewable energy integration will keep decreasing the capacity ratio of conventional thermal units. Of b...
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| Format: | Article |
| Language: | English |
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Editorial Department of Power Generation Technology
2018-02-01
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| Series: | 发电技术 |
| Subjects: | |
| Online Access: | https://www.pgtjournal.com/EN/10.12096/j.2096-4528.pgt.2018.014 |
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| Summary: | As the development of ultra-high voltage (UHV) AC and DC transmission system in China, the quantity of unbalanced power caused by a single element fault will continue to increase. The large-scale renewable energy integration will keep decreasing the capacity ratio of conventional thermal units. Of both ends on the floor in frequency response control, the "offense" will be strengthening while the "defense" be lessening, and the frequency stability have become outstanding. On the other hand, the ever-richer frequency response control measures on "source-grid-load" side should be coordinated better, to make full use of their control performance so as to improve frequency stability level. Through analyzing the structure and shape of future grid from the perspective of frequency response control, it is clear that frequency response control resources need more refined management and control, and the relevant theory should be progressing with time. It is pointed out that the research of dispatch of frequency response from the dynamic perspectives and centralized and unified coordination and control of frequency response control measures should be developed. This will provide the references for planning, scheduling and dispatching of frequency response control measures and the participants of kinds of subject in frequency control. So, the frequency stability defense capacity will be reinforced with enhanced system frequency response control ability. |
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| ISSN: | 2096-4528 |