描述
电气系统与热工自动化相比在控制要求及运行过程中有着很多不同点,电气的主要特点表现为电气设备相对热工设备而言控制对象少,操作频率低,有的系统或设备运行正常时,时常几个月或更长时间才操作一次。
GENERAL ELECTRIC 5KC49PN0446X 1 HP ELECTRIC MOTOR, NEW
ELECTROMOTIVE SBPN-6-WH SWITCH NEW
RELIANCE ELECTRIC 3RA2004 SERVO DRIVE USED
ALLEN-BRADLEY 2192F-BJC-24J MOTOR CONTROL CTR UNIT USED
ALLEN-BRADLEY 2192F-BJC-24-110 MOTOR CTR UNIT USED
ALLEN-BRADLEY 2154B-AAB-38 MOTOR CTRL CTR USED
ALLEN-BRADLEY 2112B-BDBD-24J-98-106-107 MOTOR CTRL CTR
ALLEN-BRADLEY 2112B-BDBD-1-4G-24J-98-106-107 MOTOR CTR
WESTINGHOUSE JDB3225W 225A CIRCUIT BREAKER/JDB 25K USED
BOSTON GEAR 88KRF724-408-87-J MOTOR USED
GENERAL ELECTRIC DS3827BS6 THYRISTOR, NEW