Characteristic curve parameter identification method and system for operating impact lower voltage limiter
The invention discloses a characteristic curve parameter identification method and system for operating an impact lower voltage limiter. The method comprises: measuring a current signal of the operation impact lower voltage limiter, and determining parameters of equivalent resistance, inductance and...
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| creator | LI YONGLIANG LI GUOFU LI HUIBING CHEN MEI YAN YE YU HUI LIU ZHIFANG ZHOU WEI LI ZHIYUAN LEI YUQIU YE TIANHUA LIU HE DANG DONG DONG QINXIAO |
| description | The invention discloses a characteristic curve parameter identification method and system for operating an impact lower voltage limiter. The method comprises: measuring a current signal of the operation impact lower voltage limiter, and determining parameters of equivalent resistance, inductance and capacitance of an operation impact discharge loop; obtaining a voltage limiter operation impact loop equivalent model according to the equivalent resistance, inductance and capacitance parameters, and constructing an impact circuit differential equation containing nonlinear curve parameters; calculating a polynomial chaotic configuration point coefficient matrix X according to the constructed impact circuit differential equation; calculating operation matrixes Dyy and DXy by utilizing the polynomial chaotic configuration point coefficient matrix, and constructing a maximum likelihood estimation objective function according to the formula shown in the specification; calculating based on an L-M optimization method, |
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The method comprises: measuring a current signal of the operation impact lower voltage limiter, and determining parameters of equivalent resistance, inductance and capacitance of an operation impact discharge loop; obtaining a voltage limiter operation impact loop equivalent model according to the equivalent resistance, inductance and capacitance parameters, and constructing an impact circuit differential equation containing nonlinear curve parameters; calculating a polynomial chaotic configuration point coefficient matrix X according to the constructed impact circuit differential equation; calculating operation matrixes Dyy and DXy by utilizing the polynomial chaotic configuration point coefficient matrix, and constructing a maximum likelihood estimation objective function according to the formula shown in the specification; calculating based on an L-M optimization method,</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Characteristic curve parameter identification method and system for operating impact lower voltage limiter |
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