Transformer area loop impedance calculation method

• Main Authors: FENG LONGJI, FANG LEI, CHU CHENGBO, CHEN XUEWEI, DAI BAOQIN, LIN HE, HE YINGHONG, MA AN'AN, ZHANG GUOLI, ZHAO YI, ZHANG JIDONG, WANG ZIHU, WU FANGZHU
• Format: Patent
• Language: Chinese; English
• Published: 28.02.2023
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention provides a transformer area loop impedance calculation method. The method comprises the following steps: step 1, classifying equipment in a transformer area; step 2, obtaining a current change time table of the equipment; step 3, obtaining a current effective time table of similar equipment; the error of the calculation result can be controlled by utilizing the set condition according to the actual situation, so that the problem that the current superposition error is large in the transformer area loop impedance calculation mode in the prior art can be solved, and the reliable and effective transformer area equipment loop impedance value can be obtained through calculation. 本发明提供一种台区回路阻抗计算方法,步骤1，对台区中的设备进行分类，步骤2，获取设备的电流变化时刻表，步骤3，获取同类设备的电流有效时刻表，步骤4，对同类设备线路阻抗进行计算；本发明计算结果的误差可根据实际情况利用设定条件进行控制，从而本发明可以解决有技术中台区回路阻抗计算方式中存在电流叠加误差大的问题，计算获得可靠且有效的台区设备回路阻抗值。