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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的傳遞過程故障，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)，國華浙能寧海電廠4×600MW機(jī)組全廠采用西門子公司的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DCS系統(tǒng)在結(jié)構(gòu)上發(fā)生變化。過去強(qiáng)調(diào)的是控制功能盡可能分散，由此帶來的是使用過多的控制器和接口間連接。但過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)系千絲萬縷，互相牽連，一對控制器故障就可能導(dǎo)致機(jī)組停機(jī)，即使沒有直接導(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控制器中，以及上述所說的單元機(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，國內(nèi)過去通常都是由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)(簡稱BOP 即Balance Of Plant的縮寫)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人值班。
　　近幾年新建工程迅速向這個(gè)方向發(fā)展。如國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。

Schneider Modicon AS-BDEP-257 I/O MODULE ASBDEP257

Schneider Modicon AS-B885-100 USPP ASB885100

Schneider Modicon AS-M680-116 MODULE MEMORY CARTRIDGE

Schneider Modicon MODICON/ AS-P464-000 MONITOR W/KEYBOARD KEY LOCK XLNT

Schneider Modicon -AS-584L-XXX

Schneider Modicon AS-B821-108 ASB821108 DC Input NIB

Schneider/Modicon Panelmate Plus 2000 Logic Module

Schrack Seconet BX-AIM Germany Input Module EG072947-A\00

Siemens 6ES7 322-1BP00-0AA0 -FS- 6ES73221BP000AA0

Siemens Simatic 6ES5458-4UA12 Output Module QB20

SIEMENS 6DD1640-0AB0 USPP 6DD16400AB0

SIEMENS Sinumerik System 880M 6FC3492AC-Z

SIEMENS OFFER & WIN SIMODRIVE 6SN1145-1BA01-0BA1

SIEMENS Simodrive 6SC9811-4BC20 TAKE-OUT

SIEMENS Circuit Board 6FC9310-1MB01 _ 6FC93101MB01 _ DO-L1348-1A01

ADLINK Technology ND-6017 NIB 8-CH Analog Input FreShip

ALLEN-BRADLEY 1778-OYC CONTACT OUTPUT MODULE BULLETIN

ABB ACS 600 Inverter Drive ACS601-0100-4-000B1700801 3AUA489999N546 100 HP VFD

Actus Power AC Servo Controller NPA-20NN-50-E8 USPP NPSA20NN50E8 Pak 1-PH/3PH

6ES7317-6FF00-0AB0 6ES7317-6FF03-0AB0 Brand , Factory Sealed,

90 5 right of refusal, no reserve

SIEMENS R15E02A186 USPP R15E02A186

BOSCH 1070077920-100 USPP 1070077920100

BAILEY CONTROLS IMSED-01 USPP IMSED01

MODICON AS-P890-300 NSFP ASP890300

KAWASAKI 50607-1075R03 USPP 506071075R03

CONTROL TECHNIQUES DXA-202 USPP DXA202

Siemens 6ES5 095-8MA04 6ES50958MA04

Siemens 6ES5-458-7LA12 USPP 6ES54587LA12

SIEMENS 6ES5 777-0BC01 BUS TERM L1 W/2METER CABLE

SIEMENS S5 6ES5 470-8MA12 ANALOG CARD

Siemens S5Input Module 6ES5921-3WB14 E Stand F

Siemens 6ES7231-0HC21-0XA0 6ES72310HC210XA0 FreeShip

SIEMENS SIMATIC PANEL PC 870 PC870 6AV7 743-2AC00-0AA0 Membrane Keypad

Siemens 6AW5463-OAB

HP Agilent 54650A HP-IB Interface Module Oscilloscope 54620C 54616C 54615B 54610

WS-X6748-GE-TX Cisco Express Forwarding 720 Interface Module Switch 48 ports -

Siemens 6ES5 921-3UA12 6ES59213UA12 IN BOX

Siemens LOGO! TD text display 6ED1 055-4MH00-0BA0

Omron c200h-ps211

Schneider Modicon AS-BNUL-200 PLC

Schneider Modicon ANALOG OUTPUT MODULE #AS-B872-011

Schneider Modicon AS-J474-000 NSPP ASJ474000

Schneider Modicon 864 Register Output Module AS-B864-001

Schneider Modicon BXT201/AS-WBXT-201

Schneider Modicon /24VDC 16-Pt Input Mod AS-B825-016

SLC500 DC Sink Input Module AB 1746-IB32/C

Schneider Telemecanique XBTGT5330 Touchscreen Glass

SIEMENS TEXAS INSTRUMENTS U-05T 16 POINT RELAY PLC OUTPUT MODULE U05TS5-4-123

SIEMENS 6AC6-935-4DA13/6AC6935-4DA13 INDUSTRIAL MONITOR MODULE XLNT

SIEMENS SINUMERIK 6FX1138-6BB01 6FX11386BB01

Durant 58801-400 58801400 Communications Module -

SIEMENS Simodrive LT Module 8A

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5357 2ZP

Adb PCI-7300A

Allen-Bradley 8000 MBA Module 905981-05 Rev A

ABB 2000kVA, 13800V-480/277 V dry transber

ACCU SORT 920000025 USPP 920000025

A06B-6066-H211 FANUC SERVO AMPLIFIER REMANUFACTURED

800 HP FUJI FR800F1S-4U Variable Frequency Inverter 380-480 V 960 Amps

SIEMENS 4AU3696-0BT10-0AD0 NSPP 4AU36960BT100AD0

ALLEN BRADLEY 8520-3S5A-BAT-EX4-T1-Y-4-5-7 USPP 85203S5ABATEX4T1

ALLEN BRADLEY 6180-ABEBCBAZABZ USPP 6180ABEBCBAZABZ

JOHNSON CONTROLS NU-NCM300-1 USPP NUNCM3001

GENERAL ELECTRIC DS3800NGRA1F1B USPP DS3800NGRA1F1B

YASKAWA ELECTRIC CIMR-G3V2015 USPP CIMRG3V2015

MODICON AS-B875-012 NSFP ASB875012

Siemens 6ES5-310-5AA12 NSFP 6ES53105AA12

SIEMENS 6ES5 430-8MC11 6ES54308MC11

SIEMENS S5 6ES5 458-7LA11 Relay Output Module

Siemens Digital Output Module 6ES5-454-7LA11

SIEMENS 6ES7 222-1HF22-0XA0 6ES7222-1HF22-0XA0 FreeShip

Siemens OP35 6AV3 535-1TA01-0AX0 Membrane Keypad ping Worldwide

Rare MARANTZ 750A 6 MonoBlocks INDEPENDENT 3 Way SYSTEM

GE Fanuc INTERFACE MODULE REMOTE I/O GENIUS IC200GBI001-AB NO COVER W

TEXAS INSTRUMENTS 500 5040 NETWORK INTERFACE Module

Siemens 020-1FD01-1EA1 Pressure Transceiver

Siemens EM 222 6ES7 222-1BF22-0XA0 EM222 PLC NIB

Modicon NW-BP85-002

Schneider Modicon AS-BDEP-210 Intput Module NIB

Schneider Modicon AS-BDAU-202 OUTPUT MODULE ASBDAU202

Schneider Modicon AS-C484-012 USPP ASC484012

Schneider Modicon AS-I646

Schneider Modicon 984 Compact PLC Motion Module AS-BMOT-201

Schneider Modicon Input Module M AS-BADU-206 ~SEALED NIB SURPLUS~

Schneider TELEMECANIQUE TSXDSZ08T2

SCHNEIDER AEG ADU206 AS-BADU-206 MODICON INPUT MODULE 65

PVDM3-32 CISCO 32-CHANNEL HIGH-DENSITY VOICE AND VIDEO DSP MODULE

SIEMENS 6ES5441-4UA13 SIMATIC OUTPUT MODULE QUANTITY

SIEMENS 6DD1-679-0AC0/6DD1679-0AC0 INTERFACE PANEL XLNT

IXIA COMMUNICATIONS SINGLE MODE OC12c/OC3c LOAD MODULE P/N LM-OC12SM

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 #B2

SIEMENS SINUMERIK 840C HARD DISK 6FC5147-0AA13-0AA1

SIEMENS MOORE PRODUCTS 15854-64 BBB BOARD ASSEMBLYNNB

Allen-Bradley Programming Terminal 1201-HAP

520MC Digitrip 5ARMLSIG trip unit for DS Magnum Breaker, Eaton (v)

ABB SAFT 188 IOC 58125067, , 58125067,

A06B-0148-B184#0076 FANUC SERVO MOTORS REMANUFACTURED

700 HP Farrel DR44 Gear Reducer

PERCEPTRON 912-0011 USPP 9120011

ALLEN BRADLEY 1775-S4A NSFP 1775S4A

ALLEN BRADLEY 1336S-BRF100-AN-EN4 NSFP 1336SBRF100ANEN4

GENERAL ELECTRIC DS3800HSCD1G USPP DS3800HSCD1G

TEXAS INSTRUMENTS PLC 505-5103 NSFP 5055103

STENTOFON 1009703000 USPP 1009703000

DIAMOND ELECTRONICS 514531-1048 USPP 5145311048

Siemens 6ES5 955-3LC42 6ES59553LC42

SIEMENS 6ES5 100-8MA02 6ES5100-8MA02 S5-100U

SIEMENS 6ES5-777-0BB01 USPP 6ES57770BB01

Siemens 6ES5 700-0LA12 6ES5 700-0LA12 SUBRACK CR0

Siemens 6DD1607-0CA1 6DD1 607-0CA1 in Box

Siemens LOGO! 12/24RC 6ED1052-1MD00-0BA6 NIB

Roland Fantom XR SRX-05 upgraded 128-Voice Synthesizer / Sampler Module-MIDI 2

Telemecanique TSXDMF342A

Siemens Simatic S7 6ES7 360-3AA01-0AA0 3603AA010AA0 Interface Module

WAGO 750-461 NSFP 750461

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Modicon AS-S902-051

Schneider Modicon DEP 218/AS-BDEP-218 Input Module ASBDEP218

Schneider Modicon AEG/GOULD// AS-W801-002 CABLE REMOTE I/O 1.5FT XLNT

Schneider Modicon AS-B875-102 USPP ASB875102

Schneider Modicon AS-584A-450

Schneider Modicon Input Module AS-B827-032 WARRANTY

Schneider Modicon AS-M680-108 Memory Module -

Schneider Automation Inc 140 DRC 830 00 140DRC83000 Output Module -

Siemens 505-4232 A Input Module 5054232A ++

RELIANCE ELECTRIC 57C-443A USPP 57C443A

Siemens 6FC5247-0AA02-1AA0 6FC52470AA021AA0 Sinumerik

SIEMENS Sinumerik Panelfront 6FC5203-0AF02-02-0AA0 Version L_6FC52030AF02020AA0

PLEASE SEE DESCRIPTION FOR EXACT FITTMENT

SIEMENS SERVO DRIVE 1P 6SN1123-1AA00-0KA1

SIEMENS Terminal Strip 6FC 9302-2AA __ 6FC93022AA

SIEMENS 6FC1113-6AA00 USPP 6FC11136AA00

ALLENBRADLEY1794-0B32PSERIESAFLEXI/OOUTPUTMODULE24VDC32POINT

ALLEN BRADLEY Solid State Timer Relay 700-RTC20100U1 WARRANTY

ABB M2QA315L4A 0102101451 184KW 240 HP 50hz 60hz ELECTRIC MOTOR 440Y 1782 RPM

Ziatech ZT8908 CPU 133 MHz Pentium 4Mb Flash 32 Mb DRAM with SVGA PCI Mezzanine

(U4) 1 TELETREND D53052/C4S00P00 DISPLAY U4

MODICON 140-CHS-110-00 FNFP 140CHS11000

ALLEN BRADLEY 1391-AA45 USPP 1391AA45

GENERAL ELECTRIC DS3810CLCB USPP DS3810CLCB

FOXBORO 130M-N2 USPP 130MN2

SIEMENS 6ES7-614-1AH00-0AB3 USPP 6ES76141AH000AB3

SANYO DENKI PY0A150E01XXYP01 NSFP PY0A150E01XXYP01

WESTINGHOUSE 7379A18G01 USPP 7379A18G01

Siemens 6ES5 530-7LA12 6ES55307LA12

Siemens CR2 700-2 MOUNTING RACK 6ES5 700 2LB11 6ES5700

SIEMENS 6ES5-454-4UA13 USPP 6ES54544UA13

Siemens 6ES5 377-0AA32 6ES5 377-0AA32S5 MS 377 64KB 60 DAYS WARRANTY

Siemens S5 Memory Module - 6ES5 375-1LA21

Siemens Contactor 3TF35-11 3TF3511 3TF35-11-0XM0 AC220V in Box

Siemens 505-4232 Input Module 5054232

Square D 8030 HIM-191

SEM/TEM Olympus SIS ADDA II soft imaging system module interface

WE SHIP SAME WS-X45-SUP7-E CISCO 1YR

Siemens 6FC5500-0AA11-1AA0

Siemens TP170B 6AV6545-0BB15-2AX0 Touchscreen Glass

Schneider Modicon TSX COMPACT DEP218/AS-BDEP-218 DISCRTE INPUT 16PT

Schneider Modicon AS-BNUL-200 Compact Prewired Blank ASBNUL200

Schneider Modicon AS-B592-001 USPP ASB592001

Schneider Modicon AS-P190-112 PLC Terminal Program

Schneider Modicon AS-J471-601

Schneider Modicon AS-B872-002/ASB872002 Output Module OFFERS ACCEPTED

MODICON - EATON - IDT - PANELMATE - BOARD P/N 42-13900

Siemens 6ES7231-0HF22-0XA0 6ES7 231-0HF22-0XA0 EM231 Analog Input Module READ

SCHNEIDER AUTOMATION INC. TSX QUANTUM 140-ESI-062-10

SIEMENS HMI 6AV6648-0AC11-3AX06AV66480AC113AX0/ In Box/Free shipping

SIEMENS Sinumerik 6FX1124-6AD02 Circuit Board .

Siemens Communication Interface Module 6ES5-525-3UA21 37264

SIEMENS 6SN1123-1AB00-0CA1 6SN11231AB000CA1 SimoDrive

SIEMENS 6SN1123-1AA00-0CA0 SIMODRIVE 50A WRTYFAST SHIP

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Allen-Bradley - 1794-TB3S

ABB CPU Processor Module PM856 #30635

Adept Technology 10154-70200 | 12mo | Free EU ping | Inc UK VAT

(5441) Allen Bradley Clutch Brake Module 1771-PM (5441)

INDRAMAT MDD112C-N-030-N2L-130PB0 USPP MDD112CN030N2L13

ULTRA SONIC SEAL A20 USPP A20

FANUC A06B-6055-H106 USPP A06B6055H106

DOVER INSTRUMENT CORP DMM-AUXILIARY NSPP DMMAUXILIARY

RELIANCE ELECTRIC 57C-435 USPP 57C435

NEMATRON CORP IC5036-82310000 USPP IC503682310000

MITSUBISHI HC-SFS152BG2 USPP HCSFS152BG2

Siemens 6ES5 415-7AA11 6ES54157AA11

Siemens 6ES5-788-7LC11 USPP 6ES57887LC11

SIEMENS 6ES5-377-0AB21 NSPP 6ES53770AB21

Siemens 6ES5 421-8MA12 S5 Digital Input

Siemens S5 6ES5

Siemens 6SE7031-0EE84-1JC0

Siemens USB-MP277 USB Programming Cable for MP277

Siemens 6SE7024-1EB85-0AA0

MITEL 9132-250-100-NA SIM Superset Interface Module 1 PKM Module Phone System

WS-X6748-GE-TX Cisco Exp. Forw.720 Interface Module Switch 48 ports ma

Siemens 6ES7 331-7PF01-0AB0 6ES7331-7PF01-0AB0 in box

Siemens PLC 6GK1 105-2AB10 NIB

Reliance 0-54339-1

Schneider Modicon ANALOG OUTPUT MODULE DAU 202 / AS -BDAU -202

Schneider Modicon AS-B232-001 USPP ASB232001

Schneider Modicon AS-P890-000 NSFP ASP890000

Schneider Modicon AS-B807-132 INPUT 115VAC 32PT ASB807132

Schneider Modicon AS-B357 Input Module 23VDC WOW

MODICON PANELMATE MM-PMC2-100 MMPMC2100

SIEMENS SIMATIC ANALOG INPUT MODULE 2AI 2 WIRE 6ES7 134-4GB01-0AB0 NIB

SIEMENS 6ES7 223-1BL22-0XA0 CTS7 223-1BL22-0XA0 EM 223 CO-TRUST I/O MODULE

Siemens Simatic 505-6204 4 CH Analog Output Module

SIEMENS 6DD1-648-0AB0/6DD1648-0AB0 PC BOARD CARD NIB

SIEMENS 6DD1642-0BC0Analog Output Module SDYND EA12

SIEMENS 6SN1111-0AA00-0CB0 6SN11110AA000CB0

SIEMENS SIMODRIVE 6SC6108-0SE02 6SC61080SE02

SIEMENS 810 I/O Module 64E/32 6FC3984-3RA AUSGAENGE

Advantech AIMB-212

Allen-Bradley 1771-OX Power Contact Output Module

ABB ACS501-041-3-00P2000 | 12mo | Free EU ping | Inc UK VAT

ACTUS POWER NPSA-20-54 suppy NPSA2054

6ES7416-3XL04-0AB0 Brand , Factory Sealed,

90 X 60 X 18 STAINLESS STEEL ENCLOSURE hoffman rittal nema 12 13 3r 4

SQUARE D 8538S-EG33V8-1CFF4H30P1TX11 NSFP 8538SEG33V81CFF4

CAMCO 30-500RGDH40-90-90 USPP 30500RGDH409090

BALLUFF BMC-9-K NSFP BMC9K

MODICON MM-PMC3-100 USPP MMPMC3100

KUKA BMC-15/90KB USPP BMC1590KB

CUTLER HAMMER ECN1801CJC NSFP ECN1801CJC

Siemens 6ES5 095-8MC03 6ES50958MC03