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7、)?(?)?ASS?DCS?ASS?ASS?ASS?DCS?DCS?ASS?DCS?CRT?(3)(AVR)AVR?300MW?DCS?DCS?AVR?DCS?AVR?DCS?CRT?(4)(ART)?ART?300MW?ART?DCS?(?ART?)?ART?DCS?CRT?(5)?DCS?CRT?1?GPS?(?)?(SPDnet)?2 (1)?OS?Open Systems Interconnection?3 (1)?(2)?I?O?(3)?(?)?(?)?MODEM?(4)?(5)?1)?2)?3)?4)?(?)?5)?(?)?(6)?GPS?1ms?(7)?(8)?(?)?(9)?1)?2)?220V?220?110V?3)?4)?5)?6)?WATCHDOG?7)?8)?4 (1)?(2)?1)?(?)?2)?(3)?(4)?1)?2)?3)?4)?5)?6)?7)?(?)?8)?(?)?IEC?DCSNCS?NCS:Network Control System?220-500kV?(?)?14.1?(DAS)?(DCS)?.DEH)?(CCS)?(SCS)?(A?)?14.2.?14.3?14.4?14.5?14.6?14.7?14.8?ECS?14.9?n?