发明名称 |
METHOD FOR CALCULATING PRIMARY TIME CONSTANT OF POWER GRID |
摘要 |
<p>A method for calculating a primary time constant of a power grid. It comprises the steps of: establishing an electromechanical transient model of the power grid using the widely used power system analysis software package (PSASP) according to the actual power grid parameters and network topology; establishing an electromagnetic transient model under PSASP using the actual power grid parameters for a site which requires the calculation of the primary time constant of the power grid, and setting a ground short circuit fault at the site; obtaining a transient short circuit current of the short circuit point of the power grid using a hybrid simulation method of the electromechanical and electromagnetic transient models; filtering out a periodic component in the transient short circuit current to obtain a non-periodic component attenuated with time, and finding the attenuation time constant of the non-periodic component which is the primary time constant of the power grid.</p> |
申请公布号 |
WO2012034528(A1) |
申请公布日期 |
2012.03.22 |
申请号 |
WO2011CN79708 |
申请日期 |
2011.09.16 |
申请人 |
HEBEI ELECTRIC POWER RESEARCH INSTITUTE;TANG, BAOFENG;FAN, HUI |
发明人 |
TANG, BAOFENG;FAN, HUI |
分类号 |
G01R19/00;G01R31/02;G01R35/02 |
主分类号 |
G01R19/00 |
代理机构 |
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地址 |
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