1747-BAJMPR
1747-BAJMPR
随着DCS在火电厂中的广泛应用，其在机组安全稳定运行中所占据的主导地位愈加突出。由于DCS设备软硬件的可靠性、控制逻辑的完善和合理性、热工人员维护和检修水平等诸多因素的影响，使机组误跳闸事件仍时有发生。因此进行有效的技术管理和正确的检修维护，保持火电机组DCS的稳定、可靠运行也就日渐成为热工人员日常管理、维护的重点。为此笔者结合上述案例分析，从提高控制系统可靠性着手，提出一些防范措施供检修维护中参考：
（l）对DCS设备和检修维护实行全过程管理，尽早发现缺陷并及时处理。完善DCS自诊断和故障报警功能，对DCS运行状况的实时监控不仅要监视主控制器的状态，还要监视主控制器网络的状态。
现货，现货，降降降，火火火，火火火……
现货，现货，降降降，火火火，火火火……
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BARBER-COLMAN 80QA-10001-002-0-01 AUX EQUIP MODULE
GE/FUJI 6KE$243005X1A1/6KES243005X1A1/AF-300E$/AF-300ES
KLOCKNER MOELLER NZMH 6-100/ZM6a-70-NA 3 PHASE 600V CIRCUIT BREAKER
ALLEN BRADLEY 1779-KP5 PLC-5 INTERFACE
ConTROL TECHNIQUES DIN 1220150B AC DRIVE
HUBNER GMP1.0S-4 TACH GENERATOR
FADAL/B&R/INFIMATIC MTR-0487/8LSA43.E3045D700-0 MOTOR
TOSHIBA VT130G1-2055BOE AC INVERTER DRIVE 5.5KVA 16A 5HP
TOSHIBA TOSVERT VT130G2+4015 TRANSISTOR INVERTER AC DRIVE 1.5KVA 1HP
ADEPT TECH/TECHNOLOGY MOTOROLA 10330-00712/10330-10200 ROBOT 040 PC BOARD
RELIANCE ELECTRIC 0-58705 SIGNAL INTERFACE BOARD
ROPEX ELEKTRonIK RES-230 TEMPERATURE CONTROLLER
SEMTECH S2KW32KA-4 RECOVERY RECTIFIER ASSEMBLY
CMG 4.0CXS5G2I1 AC DRIVE 4HP 440-500V 50/60HZ
MRC 318SFFC BALL BEARING
SUN XT3BWG-RR-11-327/ XT3-BWG-RR-327 PCI DRIVE CASE
ALLEN BRADLEY 2711-T9C9X INTERFACE PANEL
NORTEL NTNX24DA MSE-NC POWER DISTRIBUTION PANEL
LEPEL 1648-0052 PC BOARD
TOSHIBA VFS7-4150UPLH 20HP TRANSISTOR INVERTER AC DRIVE
E+H FLOWTEC ZL6072-Z/ZL6072Z PROCOM II M-POINT TRANSMITTER FLOW METER
SIEMENS 6ES5-460-7LA12/6ES54-60-7LA12/6ES5460-7LA12/6ES54607LA12 INPUT
WOODS WF2C4001-0B 1HP 460V AC DRIVE
GOULD GBR12-800T1/2055-003-000 CHARGER 170AMP
RELIANCE 0-49040/049040/O-49040 RECTIFIER MODULE*RFB BY RELIANCE*
NOVAFLEX 561BE-03000-22 2Q/07 3"x100' WATER SUCTION HOSE
STI 70158-1048/MS46LR-20-955-Q1-R-NC-AP RECEIVER
STI 70157-1008/MS46-20-955-Q1-X TRANSMITTER
BALDOR ID15H401-E 3PH 1HP 460VAC SPEED DRIVE
SERFILCO EH1-1/2-2SC-D2.0 VERTICAL CHEMICAL DUTY PUMP 2HP
ABB T3N175TL TMAX T3N 1SD053694R1/1SD053698R1
SICK 14-FGS/1012763/FGSS 900-111 900MM 14MM SENDER
NSK MCM06040H20K LINEAR BALLSCREW ACTUATOR
RELIANCE 0-57409-H/057409H/O-57409-H/57C409 2 PT ANALOG INPUT MODULE
RELIANCE 0-57416-T/57C416 REMOTE I/O COMM MODULE
GE FANUC A06B-0357-B755 30F/2000 AC SERVO MOTOR 2000RPM
SQUARE D MAL36000M 1000 AMP CIRCUIT BREAKER WITH RT-1 MECHANISM 1000A
SHOWA DENKI UT-750 MULTI-STAGE BLOWER 1 HP 200-220VAC 3.8/3.5A
DATALOGIC PM8300-AR910 POWERSCAN M8300/AR910MHZ
DYNAPAR MS2-00-0-02 MAX SPEED 2 SERIES REGULATOR
SLAUGHTER 1651-3.0 BATTERY ELEMENT TESTER
JOSLYN CLARK 713UPG-46 PNEUMATIC TIMING RELAY
TELIND MA52100 DRIVE INVERTER
JOSLYN CLARK D713UPG-76 PNEUMATIC TIMING RELAY
JOSLYN CLARK 713UPDF-76 PNEUMATIC TIMING RELAY
CUTLER HAMMER C515HSE5B/34-1410-2 POWER MODULE
MITSUBISHI FR-Z240-3.7K-UL INVERTER W/CONTROLLER
KRAUTKRAMER BRANSON CL204 ULTRASonIC THICKNESS TESTER*
SIEMENS/CTI/TI 505-2557 INPUT MODULE
ABB GS11/GS 1.1 POWER SUPPLY
FUJI ELECTRonICS OPCG11SPDP PROFIBUS-DP CARD COMMUNICATION CARD
EATON SVX002A1-4A1B1 2HP 480V AC DRIVE
SIEMENS PC612C-B1400-C963 PC LOGIC BOARD
TRANE RMWD2100AA0 REFRIGERANT MONITOR
EUROTHERM 520-0230-9-1-1-1-2-1-1750-200-009-180
HORNER ELECTRIC HE693RTD601M RTD INPUT MODULE
PILLAR PP604-132 TRANSISTOR MODULES (BOX OF 2)
SIEMENS 4EP3-800-4DB/4EP38-00-4DB/4EP3800-4DB/4EP3800-4DB REACTOR 2.5KVA
AFE TECHNOLOGIES DATAPANEL 2903-0129 INTERFACE
BARBER-COLMAN 80BB-00002-001-0-00 INSTA-SET MODULE
EFECTOR OD5005 PHOTOELECTRIC COLOR SENSOR 10-30VDC
