| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an operation support system of a water treatment plant, for efficiently monitoring an overload state or an overcurrent state of a motor with a simple method. <P>SOLUTION: In the operation support system 20 of the water treatment plant monitoring the overload state or overcurrent state of the motor 3, a controller 21 monitors the current of the motor 3 and calculates total current amount per unit time. The controller 21 is constituted to execute alarm treatment when the total current amount exceeds a preset threshold. <P>COPYRIGHT: (C)2009,JPO&INPIT |
