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Application of frequency modulation technology in black start system of gas turbine assisted by super capacitor energy storage
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Yue YIN1, Ganghu SUN1, Pengyue WU1, Yunfei YAN1, Ting SONG2, Yong LUO2, Zhimeng QIU2
Thermal Power Generation | 2024, 53(11) : 31 - 37
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Thermal Power Generation | 2024, 53(11): 31-37
Special topic on low-carbon transformation of power system
Application of frequency modulation technology in black start system of gas turbine assisted by super capacitor energy storage
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Yue YIN1, Ganghu SUN1, Pengyue WU1, Yunfei YAN1, Ting SONG2, Yong LUO2, Zhimeng QIU2
Affiliations
  • 1.Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China
  • 2.Huaneng Guilin Gas Distributed Energy Co., Ltd., Guilin 541100, China
Published: 2024-11-25 doi: 10.19666/j.rlfd.202403074
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Aiming at the case of large frequency fluctuation in natural gas unit black start project, combining with the gas black start system and the waveform diagram during static frequency convertor (SFC) startup, the failure phenomenon is described in detail and the specific cause of the failure is analyzed. On the basis of considering the slow response speed of diesel generator unit, a super capacitor-assisted black start frequency modulation (FM) strategy is proposed. The SFC power is divided into base power and frequency fluctuation power, among which the base power is borne by the diesel generator unit to ensure stable operation of the system, and the frequency fluctuation power is quickly responded by the supercapacitor to suppress the frequency fluctuation effectively. Through the black start experiment of a 4F gas unit, the strategy not only effectively reduces the frequency fluctuation during the black start process, but also avoids the overcurrent fault during ramp-up and load-change phase, thus the reliability and safety of black start of the gas unit is improved.

black start  /  super capacitor  /  frequency modulation  /  SFC overcurrent
Yue YIN, Ganghu SUN, Pengyue WU, Yunfei YAN, Ting SONG, Yong LUO, Zhimeng QIU. Application of frequency modulation technology in black start system of gas turbine assisted by super capacitor energy storage[J]. Thermal Power Generation, 2024 , 53 (11) : 31 -37 . DOI: 10.19666/j.rlfd.202403074
Year 2024 volume 53 Issue 11
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doi: 10.19666/j.rlfd.202403074
  • Receive Date:2024-03-19
  • Online Date:2026-03-05
  • Published:2024-11-25
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  • Received:2024-03-19
Affiliations
    1.Xi’an Thermal Power Research Institute Co., Ltd., Xi’an 710054, China
    2.Huaneng Guilin Gas Distributed Energy Co., Ltd., Guilin 541100, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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