Key phase pulse acquisition method and system and generator rotating speed calculation method and system
The invention belongs to the technical field of power system automation, and particularly relates to a key-phase pulse acquisition method and system and a generator rotating speed calculation method and system.The method comprises the steps that key-phase pulse sampling data corresponding to the max...
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| creator | WANG ZHENHUA LIU HAOLEI ZHAO HUIBIN LI HAIYAO LYU XUANBING LI SHASHA ZHU FUQIANG ZHAO WEIYI MOU TAO DENG MINGXIU LI CHAO MA ZHIMIN ZHOU DONGJIE CHANG ZHENGTAI |
| description | The invention belongs to the technical field of power system automation, and particularly relates to a key-phase pulse acquisition method and system and a generator rotating speed calculation method and system.The method comprises the steps that key-phase pulse sampling data corresponding to the maximum amplitude in each key-phase pulse period is counted, and a set of maximum-amplitude pulse sampling data is obtained; determining an envelope line of the key phase pulse sampling data according to the maximum amplitude pulse sampling data; determining an interference pulse in the key phase pulse sampling data by using the envelope line to obtain effective key phase pulse data and interference key phase pulse data; solving the minimum amplitude of the pulse signal in the effective key phase pulse data, wherein the reference voltage value is k times of the reference voltage value; and comparing the key phase pulse sampling data with a reference voltage value to filter interference key phase pulse data, and output |
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determining an envelope line of the key phase pulse sampling data according to the maximum amplitude pulse sampling data; determining an interference pulse in the key phase pulse sampling data by using the envelope line to obtain effective key phase pulse data and interference key phase pulse data; solving the minimum amplitude of the pulse signal in the effective key phase pulse data, wherein the reference voltage value is k times of the reference voltage value; and comparing the key phase pulse sampling data with a reference voltage value to filter interference key phase pulse data, and output</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING ELECTRIC VARIABLES MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Key phase pulse acquisition method and system and generator rotating speed calculation method and system |
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