IGCT (integrated gate commutated thyristor)-based direct-current energy consumption device online monitoring method
The invention relates to the technical field of flexible direct-current power transmission systems, in particular to an IGCT-based direct-current energy consumption device online monitoring method. On one hand, the invention provides an IGCT-based DC energy consumption device on-line monitoring syst...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to the technical field of flexible direct-current power transmission systems, in particular to an IGCT-based direct-current energy consumption device online monitoring method. On one hand, the invention provides an IGCT-based DC energy consumption device on-line monitoring system topology, and on the other hand, a pulse inspection method is adopted to monitor the equipment operation state on line during the hot standby period of the DC energy consumption device. And the state of the equipment is fed back in a mode of monitoring gate-cathode voltage during the energy consumption period. The method can be applied to a flexible direct current power transmission system, and can effectively guarantee the safe operation of an ultra/extra-high voltage flexible power transmission system.
本发明涉及柔性直流输电系统技术领域,特别涉及一种基于IGCT的直流耗能装置在线监测方法。本发明一方面提出一种基于IGCT直流耗能装置在线监测系统拓扑,另一方面提出在直流耗能装置热备用期间采用脉冲巡检方法在线监测设备运行状态;在耗能期间采用监测门-阴极电压的方式反馈设备状态。本发明可应用于柔性直流输电系统,可以有效的保障在超/特高压柔性输电系统的安全运行。 |
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