Multi-feed-in interaction factor calculation method considering direct-current control mode

• Main Authors: HUA XIA, XIA CHENGJUN, XIE JIAZHENG, LI CHENGXIANG, WANG ZHEN
• Format: Patent
• Language: Chinese; English
• Published: 29.06.2018
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SYSTEMS FOR STORING ELECTRIC ENERGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The invention discloses a multi-feed-in interaction factor calculation method considering a direct-current control mode. The multi-feed-in interaction factor calculation method comprises the followingsteps: firstly defining a multi-feed-in interaction factor considering the direct-current control mode, deriving a correction coefficient of the multi-feed-in interaction factor by introducing the direct-current control mode in a traditional calculation formula of the multi-feed-in interaction influence factor without considering the direct-current system control mode, obtaining the correction coefficient by calculating the sensitivity of converter absorption reactive power to commutation bus voltage under different direct-current system control modes and obtaining a traditional multi-feed-ininteraction factor by calculating a system node impedance matrix. Therefore, the multi-feed-in interaction factor practical calculation method considering the direct-current control mode is finally given. By applying the meth