| 摘要 |
FIELD: water supply. ^ SUBSTANCE: control system has controlled commutated element, pump, device for permanent transformation of a measured parameter into the electric current output signal, controlled setting device, two comparison circuits, and real time clock. The output of the transformation device is connected with the input of the comparison circuit, and output of the controlled setting device is connected with the second input of the comparison circuit. The real time clock is in communication with the input of the controlled setting device, and output of the first comparison circuit is connected with the input of the controlled commutated element The transformation device is set on the pressure pipeline. ^ EFFECT: enhanced reliability of operation in winter conditions. ^ 2 dwg |
