Full Automatic Control Strategy and Test of 330 MW Thermal Power Unit RB
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An automatic control strategy have been introducedinthispaper,it involves the runback( RB) function ofthe thermal pow er unit. Several optimizations of control strategy and subordinatecontrolsystemsw as proposed,such as Integrating the feed-forw ard and the override control into subordinate controlsystems. As a result,antijamming capabilityof systems has been remarkably enhanced,subordinate controlsystems w ere in state offully-Automation,the regulated quantity w as controlled w ithin a predetermined range. Optimizations ensured the safe operation of the unit in state of auxiliary trip fault. Optimizations have been tested in M ariveles Pow er Plant of Philippines and abtained ideal Performance,show ing the reference significance to debugging and modification of similar units.