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§1.概論系统負荷可能發生不规律的和計划外的变化,同时,电站的运轉也可能与调度員所給的任务不一致,因而引起所發电流的週率与技術运行法規上所規定的定額有出入;这样,在系統的运轉过程中就有了調整电流週率的必要。調整週率所需的备用容量有时称为系统的負載备用容量。負載备用容量在正常的条件下,能使交流电流的週率保持在定額容許范圍內;在发生事故情况下(正發生事故时或發生事故后),能使正常的週率迅速得到恢复。
§1. INTRODUCTION Irregularities and unplanned changes in system load may occur. In the meantime, the operation of a power plant may also be inconsistent with the tasks assigned by a dispatcher. As a result, Quotient discrepancies; In this way, during the operation of the system there is a need to adjust the current week rate. The spare capacity required to adjust the weekly rate is sometimes referred to as the system’s load back-up capacity. Load backup capacity under normal conditions, the AC current can be maintained within the allowable range of the weekly rate in the event of an accident (in the event of an accident or an accident), can make the normal weekly rate was restored.