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火力發(fā)電廠自動化
火力發(fā)電廠的自動化項目包括:
1、廠內機、爐、電運行設備的安全檢測,包括數據采集、狀態(tài)監(jiān)視、屏幕顯示、越限報警、故障檢出等。
2、計算機實時控制,實現由點火至并網的全部自動起動過程。
3、有功負荷的經濟分配和自動增減。
4、母線電壓控制和無功功率的自動增減。
5、穩(wěn)定監(jiān)視和控制。采用的控制方式有兩種形式:一種是計算機輸出通過外圍設備去調整常規(guī)模擬式調節(jié)器的設定值而實現監(jiān)督控制;另一種是用計算機輸出外圍設備直接控制生產過程而實現直接數字控制。
(5) EGS APPLETON 3" MALL IRON CONDUIT CLAMPS CL-300MN
(2) UNITED ELECTRONICS VACUUM TUBES 3B24W
(58) NEW! BUSSMANN 3A FUSES FNA-3 FNA3
LUMBERG 15" CORDSET RK 190M-669/15F
LITHONIA MERLIN EXIT LIGHT RETROFIT KIT CANDELABRA BASE LRK-CA
GOOD USED SCIENTIFIC COLUMBUS CURRENT TRANSDUCER MODEL 4044 3 PHASE
SIEMENS 3 POS RED PUSHBUTTON SWITCH 52PA3D2U
REXNORD MAT TOP CHAIN HP5705-4.5 MTW 81416722 10 FEET
MIP API 6A SS RING GASKET R-35-316 R35-S316-4 6A-0415 3/08 342705
AGASTAT TIMING TIME DELAY RELAY 7012ADBC 5-50 SEC USED
MICRO INDICATING SELECTOR SWITCH 911AGB011BB
BENTLY NEVADA PC BOARD PWA72202-01 72201-01-04-01-?01-01-01 PWA72203-01R
IN BOX SUN HYDRAULICS CARTRIDGE VALVE END & FILTER FLHA-XCN
CATERPILLAR SHOULDERED SHAFT 4W7995 3040013326924
BOX 6 ABB 4AMP 1-POLE CIRCUIT BREAKERS S201U-K4A S 201U 2CD-S271-417R03?37
PARKER HYDRAULIC DIRECTIONAL SOLENOID VALVE D1VW008FNYGS31C 5000PSI 110/120
PARKER HYDRAULIC DIRECTIONAL SOLENOID VALVE 5000PSI D1VW1CNYCHS56XB?073 120V
GOOD USED PEPPERL + FUCHS ISOLATED BARRIER KFD2-CR-EX1.30-?200 KFD2CREX130200
TCI TRANS-COIL DRIVE REACTOR ENCLOSURE KDRULA2LE01
HONEYWELL DR4500 CHART RECORDER DISPLAY BOARD 30755016-501 3075016-001
LOT (2) IN PACKAGE NUMATICS MK40-K3 PNEUMATIC VALVE GASKET KITS
STONEL VALVE POSITION SENSOR QZM2VE2R
IDEC PILOT LIGHT APW1486-W APW1486W
BANNER ENGINEERING FIBER OPTIC CABLE ITA23S
LOT (4) HUBBELL KEMLUX WALL COVERS KS-W2
LOT (2) MOELLER 1-POLE 6-AMP DIN RAIL CIRCUIT BREAKERS FAZ-C6/1
PANDUIT PAN-WAY NON-METALLIC SURFACE RACEWAY SA-SRCB02
GUARANTEED! LOT 2 ABB CIRCUIT BREAKERS (1) S272K2A (1) S272K16A
PITNEY BOWES ASBY SENSOR BOARD 710226 VER. 2.0-2.1, REV 2A
LOT (2) GUARANTEED ALLEN-BRADLEY 4A CIRCUIT BREAKERS 1492-CB1-F040
SIGNAL TRANSFORMER MPI-300-36 PRI-100/115/200?/215/230V SEC-18V
GUARANTEED GOOD!! MITSUBISHI INPUT MODULE UNIT A1SX81