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感应电动机负荷机电暂态仿真模型参数计算方法 预览

Calculation method of induction motor load electromechnical transient simulation model parameters
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摘要 为获取感应电动机机电暂态仿真单笼模型参数,基于感应电动机的出厂铭牌数据,采用内点算法求解非线性数学优化模型,提出一种计算电力系统暂态仿真程序用的电动机机电暂态仿真单笼模型参数的新方法。该方法考虑了电动机的功率-滑差、电磁转矩-滑差物理机制特性,其物理意义明确、收敛性好、适用性强。根据电动机模型参数计算得到各项物理性能指标,并与出厂铭牌数据进行比较。结果表明,所提模型和算法计算的电动机单笼模型参数模拟电动机的机械暂态特性具有较高的精度,验证了算法的准确性。最后通过PSD-BPA机电暂态仿真,比较电动机的动态功率响应特性,进一步验证了所提模型和算法的适用性和有效性。 In order to obtain the single-cage model parameters of induction motor electromechanical transient simulation,based on the factory nameplate data of the induction motor,the interior point algorithm is used to solve the nonlinear mathematical optimization model,and a new method for calculating the single-cage model parameters of motor electromechanical transient simulation used in power system transient simulation program is proposed. This method takes the physical mechanism characteristics of the motor’s power-slip and electromagnetic torque-slip,into account,and it has clear physical meaning,good convergence and strong applicability. The physical performance indexes are calculated according to motor model parameters and compared with the factory nameplate data. The results show that the induction motor single cage model parameters calculated by the proposed model and algorithm have high accuracy in simulating the mechanical transient characteristics of the motor,which verifies the accuracy of the algorithm. Finally,through the electromechanical transient simulation of PSD-BPA,the dynamic power response characteristics of the motor are compared,which can verify the applicability and effectiveness of the proposed model and algorithm.
作者 廖卫平 张艳 周锐 陈深 LIAO Weiping;ZHANG Yan;ZHOU Rui;CHEN Shen(Jiangmen Taishan Power Supply Bureau,Guangdong Power Grid Co.,Ltd.,Jiangmen 529200,China;Jiangmen Power Supply Bureau,Guangdong Power Grid Co.,Ltd.,Jiangmen 529000,China)
出处 《黑龙江电力》 CAS 2019年第1期48-55,共8页 Heilongjiang Electric Power
关键词 感应电动机 机电暂态仿真 单笼模型 出厂铭牌数据 PSD-BPA induction motor electromechanical transient simulation single-cage model nameplate data PSD-BPA
作者简介 廖卫平(1990—),男,硕士,主要研究方向为电力系统电压稳定与负荷建模、电网规划与配电自动化。
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