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火力發(fā)電廠自動化
火力發(fā)電廠的自動化項(xiàng)目包括:
1、廠內(nèi)機(jī)、爐、電運(yùn)行設(shè)備的安全檢測,包括數(shù)據(jù)采集、狀態(tài)監(jiān)視、屏幕顯示、越限報警、故障檢出等。
2、計(jì)算機(jī)實(shí)時控制,實(shí)現(xiàn)由點(diǎn)火至并網(wǎng)的全部自動起動過程。
3、有功負(fù)荷的經(jīng)濟(jì)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(jì)算機(jī)輸出通過外圍設(shè)備去調(diào)整常規(guī)模擬式調(diào)節(jié)器的設(shè)定值而實(shí)現(xiàn)監(jiān)督控制;另一種是用計(jì)算機(jī)輸出外圍設(shè)備直接控制生產(chǎn)過程而實(shí)現(xiàn)直接數(shù)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