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單元機(jī)組控制系統(tǒng)一體化的崛起
　　隨著一些電廠將電氣發(fā)變組和廠用電系統(tǒng)的控制(ECS)功能納入DCS的SCS控制功能范圍，ETS控制功能改由DCS模件構(gòu)成，DEH與DCS的軟硬件合二為一，以及一些機(jī)組的煙氣濕法脫硫控制直接進(jìn)入單元機(jī)組DCS控制的成功運(yùn)行，標(biāo)志著控制系統(tǒng)一體化，在DCS技術(shù)的發(fā)展推動(dòng)下而走向成熟。
　　由于一體化減少了信號(hào)間的連接接口以及因接口及線路異常帶來(lái)的傳遞過(guò)程故障，減少了備品備件的品種和數(shù)量，降低了維護(hù)的工作量及費(fèi)用，所以近幾年一體化控制系統(tǒng)在不同容量的新建機(jī)組中逐漸得到應(yīng)用，如浙江華能玉環(huán)電廠4×1000MW機(jī)組、臺(tái)州電廠2×300MW機(jī)組和安徽鳳臺(tái)電廠4×600MW機(jī)組均全廠采用西屋Ovation系統(tǒng)，國(guó)華浙能寧海電廠4×600MW機(jī)組全廠采用西門(mén)子公司的T-XP系統(tǒng)，大唐烏沙山電廠4×600MW機(jī)組全廠采用I/A系統(tǒng)，國(guó)華臺(tái)山電廠2×1000MW機(jī)組采用北京和利時(shí)公司系統(tǒng)，浙江樂(lè)清電廠4×600MW機(jī)組全廠采用ABB公司的SYMPHONY系統(tǒng)等。 控制系統(tǒng)一體化的實(shí)現(xiàn)，是電力行業(yè)DCS應(yīng)用功能快速發(fā)展的體現(xiàn)。排除人為因素外，控制系統(tǒng)一體化將為越來(lái)越多的電廠所采用。
　　3)DCS結(jié)構(gòu)變化，應(yīng)用技術(shù)得到快速發(fā)展
　　隨著電子技術(shù)的發(fā)展，近年來(lái)DCS系統(tǒng)在結(jié)構(gòu)上發(fā)生變化。過(guò)去強(qiáng)調(diào)的是控制功能盡可能分散，由此帶來(lái)的是使用過(guò)多的控制器和接口間連接。但過(guò)多的控制器和接口間連接，不一定能提高系統(tǒng)運(yùn)行可靠性，相反倒有可能導(dǎo)致故障停機(jī)的概率增加。何況單元機(jī)組各個(gè)控制系統(tǒng)間的信號(hào)聯(lián)系千絲萬(wàn)縷，互相牽連，一對(duì)控制器故障就可能導(dǎo)致機(jī)組停機(jī)，即使沒(méi)有直接導(dǎo)致停機(jī)，也會(huì)影響其它控制器因失去正確的信號(hào)而不能正常工作。
　　因此隨之控制器功能與容量的成倍增加、更多安全措施(包括采用安全性控制器)、冗余技術(shù)的采用(有的DCS的核心部件CPU，采用2×2冗余方式)以及速度與可靠性的提高，目前DCS正在轉(zhuǎn)向適度集中，將相互聯(lián)系密切的多個(gè)控制系統(tǒng)和非常復(fù)雜的控制功能集中在一對(duì)控制器中，以及上述所說(shuō)的單元機(jī)組采用一體化控制系統(tǒng)，正成為DCS應(yīng)用技術(shù)發(fā)展的新方向，這不但減少了故障環(huán)節(jié)，還因內(nèi)部信息交換方便和信息傳遞途徑的減少而提高了可靠性。
　　此外，隨著近幾年DCS應(yīng)用技術(shù)的發(fā)展，如采用通用化的硬件平臺(tái)，獨(dú)立的應(yīng)用體系，標(biāo)準(zhǔn)化的通訊協(xié)議，PLC控制器額融入，F(xiàn)CS功能的實(shí)現(xiàn)，一鍵啟動(dòng)技術(shù)的成功應(yīng)用等，都為DCS增添了新的活力，功能進(jìn)一步提高，應(yīng)用范圍更加寬廣。
　　4)全廠輔控系統(tǒng)走向集中監(jiān)控
　　一個(gè)火電廠有10多個(gè)輔助車間，國(guó)內(nèi)過(guò)去通常都是由PLC和上位機(jī)構(gòu)成各自的網(wǎng)絡(luò)，在各車間控制室內(nèi)單獨(dú)控制，因此得配備大量的運(yùn)行人員。為了提高外圍設(shè)備控制水平和勞動(dòng)生產(chǎn)率，達(dá)到減員增效的目的，隨著DCS技術(shù)和網(wǎng)絡(luò)通訊功能的提高，目前各個(gè)輔助車間的控制已趨向適度集中，
　　整合成一個(gè)輔控網(wǎng)(簡(jiǎn)稱BOP 即Balance Of Plant的縮寫(xiě))方向發(fā)展，即將相互獨(dú)立的各個(gè)外圍輔助系統(tǒng)，利用計(jì)算機(jī)及網(wǎng)絡(luò)技術(shù)進(jìn)行集成，在全廠IT系統(tǒng)上進(jìn)行運(yùn)行狀況監(jiān)控，實(shí)現(xiàn)外圍控制少人值班或無(wú)人值班。
　　近幾年新建工程迅速向這個(gè)方向發(fā)展。如國(guó)華浙能寧海電廠一期工程(4×600MW)燃煤機(jī)組BOP覆蓋了水、煤、灰等共13個(gè)輔助車間子系統(tǒng)的監(jiān)控，下設(shè)水、煤、灰三個(gè)監(jiān)控點(diǎn)，集中監(jiān)控點(diǎn)設(shè)在四機(jī)一控室里，打破了傳統(tǒng)的全廠輔助車間運(yùn)行管理模式，不但比常規(guī)減員30%，還提升了全廠運(yùn)行管理水平。整個(gè)輔控網(wǎng)的硬件和軟件的統(tǒng)一，減少了庫(kù)存?zhèn)淦穫浼叭粘９芾砭S護(hù)費(fèi)用。由于取消了多個(gè)就地控制室，使得基建費(fèi)用和今后的維護(hù)費(fèi)用都減少。一些老廠的輔助車間也在進(jìn)行BOP改造，其中浙江省第一家完成改造的是嘉興發(fā)電廠2×300MW機(jī)組，取得較好效果。

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Siemens 6ES5-417-7AA21 USPP 6ES54177AA21

SIEMENS 6ES5-102-8MA02 USPP 6ES51028MA02

Siemens 6ES5 300-5CA11/6ES53005CA11 Interface

Siemens S5-95U CPU 6ES5 095-8MB04 6ES5095-8MB04

Siemens 6SE7090-0XX84-0FF5 DP Communication Card

Siemens OP Program Cable 6XV1440-2KH32

RELIANCE 0-57405-E O-57405-E I/O PLC MODULE ANALOG DCS HD-400X36-TUFR MODULE -

Texas Instruments 505-4908

SUNPAK INTERFACE MODULE HA-1D FOR USE WITH HASSELBLAD 503CX 500ELX CAMERAS

TYAN TRANSPORT VX50 B4985 Thunder n4250QE S4985 OPTERON Barebone B4985V50V4H-4P

Siemens CP5613 Card 6GK1561-3AA01 , opened box,

Modicon DI-1135-000

Schneider Modicon /Schneider AS-BDAP-218 TSX Compact DAP 218 Discrete Output module 8x24

Schneider Modicon ASB803008 115VAC Input Module AS-B803-008

Schneider Modicon AS-BDEP-214 USPP ASBDEP214

Schneider Modicon AS-BDAP-220 Discreet Input/Output Combination Module ASBDAP220

Schneider Modicon -AS-516P-002

Schneider Modicon DEP 216/ AS-BDEP-216

Schneider Telemecanique Analog Output Module TM2AMO1HT

Schneider Modicon AS-BDEP-216/DEP 216 Discrete Input Module

QLogic SANbox2-64 modular Fibre channel fabric switch 64 ports

SIEMENS 6ES5454-4UA11 SIMATIC OUTPUT MODULE 16PT QUANTITY

SIEMENS 3RG7834-6DD00 LS4-4 LASER SCANNER

METSO U4440123 V1.1 MAKA PCB ASSLY COMMUNICATION I CONTROL MODULE F4310209 48568

SIEMENS Simodrive 6SN1123-1AA00-0AA1 6SN11231AA000AA1

SIEMENS SINUMERIK 840DE 6FC5357-0BB11-0AE0 NCU 571.2

SIEMENS /MOORE 39PSMNAN APACS PSM MODULE 16013-1/2ME

ALLEN-BRADLEY VERSAVIEW 1500P CAT 6181P15NS2KH/B

ALLEN BRADLEY SLC 500 1746-OA16 OUTPUT MODULE

ABB ROBOTICS DSQC 317 3HAB2220-1 MEMORY MODULE EXPANSION BOARD 6MB 77484

A06B-0147-B077#7008 FANUC SERVO MOTORS REMANUFACTURED

03400 SIEMENS TYP 03400-A NR.340884 GE.548 184.0001.00 (SINUMERIK 3T)-AT DUBAI

NACHI RAX23C USPP RAX23C

ALLEN BRADLEY 1756-L60M03SE NSPP 1756L60M03SE

ALLEN BRADLEY 1336-C005-EAD USPP 1336C005EAD

GENERAL ELECTRIC 6VAF554 USPP 6VAF554

STEARNS 1081011A2FBF USPP 1081011A2FBF

SIEMENS 6SE9-216-8CB40 NSFP 6SE92168CB40

BARBER COLMAN 80BE-00044-212-V-00 USPP 80BE00044212V00

Siemens 6ES5 945-7UA21

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SIEMENS 6ES5-712-8BC50 NSFP 6ES57128BC50

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Siemens K-TP178 6AV6 640-0DA11-0AX0 Protective Film

SALE AMD FX6100 6 Core 3.3G 8G500G 120G SSD HD7750/1G Gaming/Business PC

Telemecanique ATV31H075N4A

SIEMENS INTERFACE MODULE DUAL LOCAL LINE NETWORK 505-7339 SEALED 5057339

Wago ETHERNET 750-880 Starter Kit 2.0 51262278 ETHERNET-STARTERKIT 2.0

Siemens 6SE7038-6GL84-1BG2 6SE7 038-6GL84-1BG2 6SE70386GL841BG2 NIB

Modicon AS-M484-104

Schneider Modicon AS-BDAP-209

Schneider Modicon ASB872002 Excellent Analog OUT Module AS-B872-002

Schneider Modicon AS-B863-001 USPP ASB863001

Schneider Modicon AS-BDEP-209 ASBDEP209 8 AC Input

Schneider Modicon Card Module NUL 200/AS-BNU1-200

Schneider Modicon AS-HDTA-200/ASHDTA200 Primary rack OFFERS

Schneider Modicon MM-PM15-401 MMPM15401 MMPMMP003C

SIEMENS 6ES5 463-4UB12 ANALOG INPUT MODULE

RIS TM-2482-P13-000-P2-00-RE-00 TEMPERATURE MONITOR 117

SIEMENS AA17-E001G-A USPP AA17E001GA

SIEMENS Sinumerik FBG Module 6FX1126-5AA01 E Stand C

Reliance Electric 0-57404-1E 0574041E Network Communications Module Repaired

SIEMENS Drive 6SN1112-1AB00-0AA1

SIEMENS SUN SG-XL8500-SDLT6FC SDLT600 FC Tape Drive SL8500

SIEMENS 6FC4600-1AS01 Free Ship

AllenBradley2711-K10G16/C2711K10G16Panelview

Allen Bradley Versa View 1500H 6189-RDT15CA 2711P-RN6 6182-15TEH6B

ABB IRB 1400 SER 14-20035 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Energy RFG3001 - PN 3155089-005B

(NOS) Allen Bradley 2711-K5A10 PanelView 550 2711K5A10 Series H FRN 4.48

MEASUREX 09437700 USPP 09437700

ALLEN BRADLEY 1336E-BX040-AN-EN-L9E USPP 1336EBX040ANENL9

GE FANUC IC752WTD802 USPP IC752WTD802

FANUC A16B-1211-0150 NSPP A16B12110150

SIEMENS 6DL3-100-8AC USPP 6DL31008AC

RELIANCE ELECTRIC 45C-37B NSFP 45C37B

SIEMENS 6GK7-343-1HX00-0XE0 USPP 6GK73431HX000XE0

Siemens 6ES5 470-7LA12 6ES54707LA12

Siemens 6ES5-948-3UA21 USPP 6ES59483UA21

SIEMENS 6ES5-441-4UA13 NSFP 6ES54414UA13

Siemens 6ES5 942-7UB11 6ES5942-7UB11 115U CPU 942

Siemens S5 6ES5-431-8MD11 6ES54318MD11 Input Module

SIEMENS C98043-A1600-L1 SIMOREG CONTROL BOARD In Box

Siemens 6ES5 465-4UA13 6ES54654UA13

Square D 8030 CC-30

OMRON C500-IP004-E PERIPHERAL INTERFACE MODULE

WS-C2960S-24TS-L CISCO 2960S-24TS SWICTH W/1 YR -WSC2960S24TSL Fast Sh

SIEMENS 6ES7-322-1HH00-0AA0 6ES73221HH000AA0

SIEMENS SINUMERIK 6FC5203-0AF00-0AA0 Membrane Keypad

Saftronics CIMR-G3U21P5

Schneider Modicon AS-P120-000ASP120000

Schneider Modicon AS-B552-000 NSPP ASB552000

Schneider Modicon AS-W801-002 NSPP ASW801002

Schneider Modicon AS-BDEP-218 Discrete Input Mod.

Schneider Modicon AS-B827-032 24 VDC Input ASB827032

MODICON AEG PANELMATE PLUS OPERATOR INTERFACE MM-PMC2-200 PARTS OR REPAIR

SIEMENS Digital Input Module 6ES5436-4UA12 NIB Box Opened to Meke Pictures

SFP-GE-Z CISCO GENUINE 1000BASE-ZX GIGABIT ETHERNET SFP DOM

Siemens OP-393 II C 6ES5 393-0UA13 OP393 6ES5393-0UA13 OP 393-II C

SIEMENS Sinumerik 6FC5110-0DB01-0AA1 E.Stand J CPU Interface Module

Standard Communications TVM450 TV Modulator refurbished

SIEMENS 6SN1122-0BA12-0AA0 Drive Logic Section

SIEMENS Circuit Board 6SC6300-0FE01 SIMODRIVE

SIEMENS 6FC5247-0AF11-0AA0 6FC5 247-0AF11-0AA0 Direct Control Key Module

Advantech RS-422/485 Isolated Repeater ADAM-4510S

ALLEN-BRADLEY 1734-OA2 120/230 Vac 2 Channel Output Module IN BOX

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88228

ADEPT TECH 10332-11400 NSPP 1033211400

(1000 pcs) x DS4E-S-DC5V PANASONIC/ AROMAT RELAY

INDRAMAT DDS02.1-W050-DA01-00 USPP DDS021W050DA0102

TELEMECANIQUE TSX-P474-25 USPP TSXP47425

ENDRESS & HAUSER 83F08-CFUDAANAB3AE NSFP 83F08CFUDAANAB3A

CUTLER HAMMER CPS160220YAH USPP CPS160220YAH

QUALITROL IDM-LSU-MKII NSPP IDMLSUMKII

MODICON AS-P451-522 USPP ASP451522

INDRAMAT PLCB02-02-FW USPP PLCB0202FW

Siemens 6ES5 318-8MB11 6ES53188MB11

Siemens 6ES5-535-3MA12 NSFP 6ES55353MA12

SIEMENS 6ES5-374-1KH21/6ES5374-1KH21 256K MEMORY MODULE XLNT

Siemens 6ES5 318-8MA12 S5 Interface Module

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Siemens 6RA24 C98043-A1605-L1-5-7 Board

Siemens TP270 LCD Display for 6AV6545-0CC10-0AX0

Siemens 6ES5951-7LB14

LOT 2 Allen Bradley 1492-IFM20D120N INTERFACE MODULE

Yamaha O2R96 VCM Digital Mixer

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SIEMENS OP7 6AV3 607-1JC20-0AX0

Reliance 0-51811-1

Schneider Modicon AS-B802-008/ASB802008

Schneider Modicon AS-9385-001 USPP AS9385001

Schneider Modicon AS-P420-61M USPP ASP42061M

Schneider Modicon AS-B550-000 NSFP ASB550000

Schneider Modicon AS-884A-201/AS884A201

MODICON TELEMECANIQUE C1600 W81491349 WELDING VFD OP PANEL DATA ENTRY PANEL

Siemens Simatic S7 1P6ES7 131-4BD01-0AB0 Digital Input Module

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Siemens Simatic Output Module 6ES5440-8MA11 NOS

SIEMENS Sinumerik 6FC5403-0AA20-1AA0 6FC54030AA201AA0

SIEMENS SINUMERIK MODULE DRIVE 1P 6SL3040-0NC00-0AA0 A5E01585149 VERSION CNIB

SIEMENS 2008 Simodrive LT-Modul INT. 15A 6SN1123-1AA00-0AA1

SIEMENS SIMODRIVE 6SN1123-1AA00-0AA1

SIEMENS CONTROLLER CARD 6FC5357-0BB34-0AE0

Advantech Remote Data Acquisition Module ADAM-4017 NIB

Allen-Bradley 2711-B5A5L1 Series H Panelview 550 Touchscreen REV D FRN 3.13

ABB AC 800M PM856 3BSE018128R1 & PM856K01 3BSE018104R1

Acterna JDSU FST-2310 Module w/ OC48 OC12 OC3 For FST2000 TTC 2000 TBERD 2310

6ES71310BL100XB0 Brand , Factory Sealed,

8562EC Portable Spectrum Analyzer, 30 Hz to 13.2 GHz with CAL &

SIEMENS 6SE7-024-7TD51-1AA0 USPP 6SE70247TD511AA0

BAILEY CONTROLS INICT-13A NSFP INICT13A

ATLAS COPCO 4240-0367-81 USPP 4240036781

MODICON AS-516P-008 NSFP AS516P008

INDRAMAT TDM3.2-020-300-W0 USPP TDM32020300W0

AVG UTICOR 76701-64 USPP 7670164

WESTINGHOUSE 2D78548G04 USPP 2D78548G04

Siemens 6ES5-451-4UA14 USPP 6ES54514UA14

SIEMENS 6ES5 701-1LA12 6ES57011LA12

SIEMENS S5 6ES5 433-7LA11 6ES54337LA11

Siemens S5 CPU 945 6ES5 945-7UA13 6ES5945 6ES59457UA13

Siemens 6ES7028-0ES87-2DA1 40A 757/673V 50KW

Siemens S7-200 EM231 6ES7 231-7PD22-0XA0 EM 231 AI4xTC

Siemens 3TH4355-3B

HONEYWELL TK-MUX021 REV E SERIAL INTERFACE MODULE

Web Mountain RUC-01 and SPIM-01 UPB Interface KIT Retails 279

SIEMENS 6ED1052-1CC00-0BA4 6ED10521CC000BA4 ping

Siemens LOGO! 6ED1052-1CC01-0BA6 NIB + LOGO USB Cable

Omron 3G2C7-LK202E-V1

Schneider Modicon AS-J812-000 PLC

Schneider Modicon PROM Board AS-506P-008_AS506P008 Rev C_8K of Memory_AS-5O6P-OO8

Schneider Modicon AS-H827-107 NSFP ASH827107

Schneider Modicon MODICON/ AS-B351-001 115 VAC INPUT MODULE XLNT

Schneider Modicon AS-EM85-301

Schneider Modicon Remote I/O Processor AS-P451-622 200

Telemecanique SCHNEIDER TSXDMZ28AR INPUT MODULE

Schneider Telemecanique TSX P57303AM TSXP57303AM

Siemens Touch Panel TP 170A/6AV6 545-0BA15-2AX0 and Bernstein Enclosure

Siemens 6AV3-617-1JC20-0AX1 Operator Interface WOW

SIEMENS Sinumerik 6FX1111-0AM02. CPU Slave Module .

FOXBORO COMP. P0400VP CMP10 PLC COMMUNICATIONS PROCESSOR 10 MODULE REV-0S 51921

SIEMENS SimoDrive Servo Drive Controller 6SN1130-1AD11-0GA0

SIEMENS SIMODRIVE 6SN1146-1AB00-0BA1SINUMETIK 840D NCU-BOX 6FC5247-0AA00-0AA24

SIEMENS MOORE 61VH PNEUMATIC VCH BOOSTER RELAY NIB

Allen-Bradley AB Panelview 1000 Cat 2711-K10C1

AB,ALLEN-BRADLEY BULLETIN SERCOS 1394 DIGITAL SERVO CONTROLLER 1394-SJT10-C-RL #

AC TECH Model # Q14075B 75HP VARIABLE SPEED AC MOTOR DRIVE

A06B-1234-B411#N111 FANUC SERVO PARTS

78092-1R

REXROTH MA4/200-7301-M USPP MA42007301M

ALLEN BRADLEY 6180-ADIDCFBCCZZ USPP 6180ADIDCFBCCZZ

ALLEN BRADLEY 2711-K9A3 USPP 2711K9A3

INDRAMAT TDM1.2-050-300-W1-220 USPP TDM12050300W1220

YOKOGAWA 3760-31-02/D/RS-232C/REM/AK-02/LMP USPP 37603102DRS232CR

XYCOM 3515-01L214103501X USPP 351501L214103501

KLOCKNER MOELLER DP-32DI/P-ECO NSFP DP32DIPECO

Siemens 6ES5-265-8MA01 NSPP 6ES52658MA01

SIEMENS 6ES5 410-7AA11 6ES54107AA11

SIEMENS RELAY OUTPUT MODULE 6ES5 451-7LA11 IN BOX

Siemens Comperator Module 2X Input 6ES5 461-8MA11 SURPLUS

Siemens 6ES7 212-1AB22-0XB0 6ES7212-1AB22-0XB0 FreeShip

Siemens OP177B 6AV6642-0DA01-1AX1 Touchscreen Glass

RELEASE SuperMicro X9DRW-3LN4F MB ※Check W/ Us for Availability FIRST※

Texas Instruments 530C-1104

TAS Gemini Warp Dual Terminal Emulator RS-232/530-A Interface Module

TYAN S2880 THUNDER K8S S2880UGNR. DUO SOCKET 940 AMD-8131 CHIPSET ON BOARD SCSI

Siemens CPU313C 6ES7-313-5BE00-0AB0

Modicon MA-9255-000 (B9550T)

Schneider Modicon /AEG/Schneider AS-BDEP-254/ASBDEP254 Input

Schneider Modicon ASB872011 TESTED Analog Output Module AS-B872-011

Schneider Modicon AS-BDEP-220 USPP ASBDEP220

Schneider Modicon AS-BDEP-217 Discreet IN 24VDC ASBDEP217

Schneider Modicon -AS-884A-100

Schneider Modicon Discrete Output M AS-BDAP-216N ~ SURPLUS~ Qty. x4

Schneider TELEMECANIQUE Inverter ATV08HU09M2X in Box

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