摘要 |
FIELD: machine building.SUBSTANCE: oil air cooling device control system (dwg. 1) comprises temperature control unit 1, aperiodic filter 2, integral controller 3, PD controller 4, frequency inverter 5, induction motor 6, fan 7, heat exchanger 8, temperature gage 9.EFFECT: operation without readjustment of controllers.4 dwg |