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Invention Grant
CN105264731B 电力控制器及电力控制方法 有权

电力控制器及电力控制方法
Abstract:
本发明涉及一种电力控制器，设置有触发角判定部(19)，在通过输出电流监视部(17)认定出输出电流的异常的情况下，将预先设定的待机时触发角φe确定为暂定的控制用触发角φ＾n，对该触发角φ＾n进行输出，在未认定出该输出电流的异常的情况下，将通过输出目标值触发角变換部(13)计算出的目标触发角Φn确定为暂定的控制用触发角φ＾n，并输出该触发角φ＾n，触发角增量控制部(20)，根据从触发角判定部(19)输出的暂定的控制用触发角φ＾n来确定防止触发角的骤增的控制用触发角φn，并将该触发角φn输出至闸晶管控制部(21)。
Abstract(English):

A power controller is provided with a trigger angle determination unit (19), which determines a preliminarily-set standby trigger angle (&phgr;e) as a provisional control trigger angle (&phgr;ˆn), and outputs the trigger angle (&phgr;ˆn), when an output current monitoring unit (17) recognizes the abnormality of an output current. The trigger angle determination unit (19) determines a target trigger angle (Φn) calculated by an output-target trigger angle convertor (13) as a provisional control trigger angle (&phgr;ˆn), and outputs the trigger angle (&phgr;ˆn), when the output current monitoring unit (17) does not recognize the abnormality of the output current. A trigger-angle increment regulator (20) determines a control trigger angle (&phgr;n), for which a rapid increase in trigger angle has been prevented, on the basis of the provisional control trigger angle (&phgr;ˆn) output from the trigger angle determination unit (19), and outputs the trigger angle (&phgr;n) to a thyristor control unit (21).

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