国产精品久久久久久久久,四季AV一区二区夜夜嗨,日韩精品无码中文字幕电影,www.五月婷婷.com

資訊詳情
1794-OA8I
發(fā)布者:fzjfx0001  發(fā)布時間:2019-08-14 14:23:30

1794-OA8I現(xiàn)貨 in stock! 歡迎來電咨詢~??!

1794-OA8I


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)展推動下而走向成熟。
  由于一體化減少了信號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、臺州電廠2×300MW機(jī)組和安徽鳳臺電廠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),國華臺山電廠2×1000MW機(jī)組采用北京和利時公司系統(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)組各個控制系統(tǒng)間的信號聯(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),也會影響其它控制器因失去正確的信號而不能正常工作。
  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,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功能的實現(xiàn),一鍵啟動技術(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
  一個火電廠有10多個輔助車間,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,目前各個輔助車間的控制已趨向適度集中,
  整合成一個輔控網(wǎng)(簡稱BOP 即Balance Of Plant的縮寫)方向發(fā)展,即將相互獨(dú)立的各個外圍輔助系統(tǒng),利用計算機(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個輔助車間子系統(tǒng)的監(jiān)控,下設(shè)水、煤、灰三個監(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。

ABB SERVO MOTOR 3HAB4040-1

ADTEC AX 3000, RF Plasma Generator, Novellus 27-176875-00, very clean

7 Exxus TECH RR-P3-8 9/23 Conflat Tee with two 2-3/4" & one 41/2" flanges

INDRAMAT MDD112D-N-030-N2M-130PB0 USPP MDD112DN030N2M1A

ALLEN BRADLEY 1395-B65-C1-P12 USPP 1395B65C1P12

BALDOR 827710 FNFP 827710

ATLAS COPCO D302-DS7 USPP D302DS7

MODICON AS-584A-340 USPP AS584A340

INDRAMAT TRANS-01-6/1-109-468-4800 USPP TRANS01611094684

BARBER COLMAN 41AA-22002-200-1-00 USPP 41AA22002200100

XYCOM XVME-540 USPP XVME540

Siemens 6ES5-451-7LA12 USPP 6ES54517LA12

SIEMENS 6ES5 725-0AK00 6ES57250AK00

SIEMENS S5 6ES5 441-7LA11

Siemens S5 Memory Submodule 6ES5 375-0LD31 29850

SIEMENS 6ES7-133-0BH01-0XB0 6ES71330BH010XB0 FreeShip

Siemens S7-300 CPU314 6ES7 314-1AF10-0AB0

Siemens 3VU1300-0MH00

HORNER GENIUS INTERFACE MODULE HE300GEN100J HE-300GEN100J

WEIDMULLER RS-SCI INTERFACE MODULE

Siemens 6ED1055-1MM00-0BA1 6ED1 055-1MM00-0BA1 in Box

Siemens LOGO! AM2 PT100 6ED1 055-1MD00-0BA0

Omron C1000H-CPU01-E2V1

Schneider Modicon AS-J470-000 USPP ASJ470000 PROGRAMMING ADAPTER

Schneider Modicon #AS B828-016 OUTPUT MODULE 5VDC 16 PT

Schneider Modicon AS-H827-209 USPP ASH827209

Schneider Modicon MODICON/ AS-B553-101 INPUT MODULE 9-56VDC XLNT

Schneider Modicon AS-H827-100

Schneider Modicon Shneider 11 Slot Chassis W-No Cards AS-H827-209

Telemecanique Touch Panel XBTOT5320 in Box FreeShip

Schneider Telemecanique TSXP57203M

Siemens TI305-05T TI30505T 30505T Output Module Relay

Siemens 6AV3515-1MA32 OP15C2 6AV35151MA32 Fast Shipping

SIEMENS SINUMERIK 6FX1115-0AB01 SYSTEM 3 VIDEO CARD

Fike FI10-2101 Analog Communication Module -

SIEMENS SIMODRIVE RACK 6SC6101-4A-Z 6SC6SC6100-0BA00 CIRCUIT BOARD USMT MILL CNC

SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU-BOX 6FC52476FC53576S

SIEMENS Moore 15823-1-5 Servo Assembly Board 1582315

Allen-Bradley AB Panelview 1000 Cat 2711-K10C1

Abacus PCG-3000R

AC TECH VARIABLE SPEED AC MOTOR DRIVE M14250B, W/REMOTE KEYPAD, 25HP, MC SERIES

A06B-6044-H312 FANUC AC SPINDLE DRIVE Amplifier with A20B-0008-0031/07B

8 - DRANETZ 658 Power Quality Analyzer

ROFIN SINAR 12100-073 NSPP 12100073

ALLEN BRADLEY 6180-EIIEFLDZECZ USPP 6180EIIEFLDZECZ

ALLEN BRADLEY 2711-MT14 NSPP 2711MT14

INDRAMAT TDM-1.2-50-300-W1-115 USPP TDM1250300W1115

YOKOGAWA DX104-2-2/AR1/S13/NS-S NSFP DX10422AR1S13NSS

XYCOM 9487-2891319010000 USPP 9487289131901000

LECROY 6810 USPP 6810

Siemens 6ES5-300-5AA12 USPP 6ES53005AA12

SIEMENS 6ES5 420-4UA13 6ES54204UA13

SIEMENS S5 6ES5 188-3UA12 Rack Excluding Power Supply

Siemens CPU ControllerS5 6ES5 943-7UB11 23530

SIEMENS 6ES7 212-1BB21-0XB0 6ES72121BB210XB0 CPU 222

SIEMENS OP25 OP25/A 6AV3525-1EA01-0AX0 Membrane Keypad

1794-OA8I

RELEASE SuperMicro X9DRT-HF MB ※Check W/ Us for Availability FIRST※

Texas Instruments 560-2120

Tektronix 80A03 TCA Probe Interface Module

TV One C2-8210 Corio2 DVI-U/3G/HD/SD-SDI Switcher

Siemens DCS Module 6DR2803-8C NIB

Modicon MM-FM94-000

Schneider Modicon TSX Compact Subrack DTA 202 - AS-HDTA-202

Schneider Modicon ASB875102 TESTED Analog INPUT Module AS-B875-102

Schneider Modicon AS-BDEP-297 NSFP ASBDEP297

Schneider Modicon AS-BDEP-220 INPUT MODULE ASBDEP220

Schneider Modicon -AS-884A-301

Schneider Modicon DTA 200/AS-HDTA Subrack rack back plane 5

schneider Telemecanique Limit Switch XCE-154 NIB

Schneider Discrete Input Module AS-BDEP-216 DEP 216 WARRANTY

PWR-C49M-1000AC 4900M AC POWER SUPPLY 1000 WATTS

SIEMENS 6ES5451-4UA14 DIGITAL OUTPUT MODULE NIB-FS

SIEMENS 6DD1610-0AG1 SIMADYN D MEMORY MODULE IN BOX

MERCEDES BENZ COMMUNICATION MODULE A 211 820 81 26

SIEMENS Simodrive 6SN1123-1AA01-0FA1 LT-MODUL INT.200A Version A

SIEMENS SINUMERIK 840D 6FC5210-0DA00-1AA16FC5203-0AB12-0AA1 MMC-100 HMI

SIEMENS /MOORE 16267-1-4 MODULNET INTERFACE CARD 1626714

ALLEN-BRADLEY SLC 500 PLC 1747-ASB ADAPTER WITH INPUT /OUTPUT MODULES

Allen Bradley Safety Relay 700-ZBR100AZ1 700ZBR100AZ1

ABB S4C 3HNE00313-1 Teach Pendant -

A06B-0148-B075 FANUC SERVO MOTORS REMANUFACTURED

0-58706-4

OMRON NT600M-DT211 USPP NT600MDT211

ALLEN BRADLEY 1756-M3 NSFP 1756M3

ALLEN BRADLEY 1336-RFB-80-C USPP 1336RFB80C

GENERAL ELECTRIC DS200LPPAG1AAA USPP DS200LPPAG1AAA

TAYLOR ELECTRONICS 1734FC14200A NSFP 1734FC14200A

SQUARE D 3050-EGW-1 NSFP 3050EGW1

COMPUMOTOR 2100-2-P USPP 21002P

Siemens 6ES5 951-7LB14 6ES59517LB14

Siemens SIMATIC S5-110 6ES5 417-7AA21 6ES54177AA21

SIEMENS 6ES5-733-7BD20 NSFP 6ES57337BD20

Siemens 6ES5 497-4UB31 NSPP 6ES54974UB31

SIEMENS 6AV6-545-0AG10-0AX0 MP270B-10" Touch Glass

Siemens LOGO 24RC 6ED1 052-1HB00-0BA2

RSP720-3CXL-GE Cisco Route Switch Processor 720-3CXL Router

Telemecanique TSX AXM 1 72

SIEMENS Simatic 6ES5301-3AB13 Comm. Interface Module

WAGO 750-653-000-011 Serial Interface RS-485

Siemens 6SE7090-0XX84-0KB0 6SE7 090-0XX84-0KB0 FreeShip

Modicon AS-P371-001

Schneider Modicon Lexium LXM 17D 4A Servo Drive AS MHDA1004A00

Schneider Modicon ASB821008 UNIT Gould 10-60 VDC Input Module AS-B821-008

Schneider Modicon AS-B872-200 USPP ASB872200

Schneider Modicon 24VDC 32 POINT INPUT MODULE MODEL AS-B827-032

Schneider Modicon DISCRETE INPUT AS-BDEP-216 ~ QTY X 6

Schneider Modicon AS-J812-000 Remote I/O adapter J812

Schneider Electric MPCKT55NAX20N Magelis Compact PC 15 Inch Touchscreen

Siemens 6ES5 421-8MA12 Digital Input Module NIB

Rev 1.1 SuperMicro H8DAE-2 Bulk Pack MB Support Dual Core CPU

SIEMENS 9510DC-1156-AEZA/9510DC1156AEZA ION ACCESS DISPLAY NIB

SIEMENS SINUMERIK MMC 102 6FC5210-0DA20-0AA1 NE

ProSoft TECHNOLOGY ControlLogix COMMUNICATIONS MODULE MVI56

SIEMENS FilterModule 6SN1111-0AA01-1BA0 16 Amps Test

SIEMENS SINUMERIK 810D/DE NCU 571.3 6FC5357-0BB11-0AE1 NIB

SIEMENS 6FC3984-3RA 6FX1124-6AD02 I/O Module - Used

allenbradley2711-b6c5operatorsinterfacepanelview600

ALLEN BRADLEY TERMINAL LUG KIT 199-LF1

ABB IRB 6600 SER 66-4069 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Plasma Systems PE-10K AC Plasma Power Source 3157507-001C

(Q6-3) 1 GARBE LAHMEYER & CO SU216 1102047011 DRIVE Q6-3

MICRO MOTION R200F352NCAMEZZZZ USPP R200F352NCAMEZZZ

ALLEN BRADLEY 1336S-B025-AA-EN4-GM1-HAB NSFP 1336SB025AAEN4G1

GENERAL ELECTRIC 193X529BBG01 USPP 193X529BBG01

FANUC A20B-0008-0540/01A USPP A20B0008054001A

SIEMENS 6ES5-511-5AA14 NSFP 6ES55115AA14

RELIANCE ELECTRIC 86466-92SC USPP 8646692SC

STI MS4460B-2-R USPP MS4460B2R

Siemens 6ES5 482-7LA11 6ES54827LA11

Siemens 6ES5-955-3LC14 Power Supply

SIEMENS 6ES5-450-8MD11 USPP 6ES54508MD11

Siemens 6ES5 306-7LA11

Siemens S5 DC Input Module 6ES5-431-8MA11

SIEMENS C98043-A7001-L1 6RA70 CONTROL BOARD

Siemens 6ES5 451-7LA11 6ES54517LA11

Square D 8030 CRM-222

SAMSUNG DOOR PHONE INTERFACE MODULE FOR DCSDPIM

WOODWARD NETCON 5000 5466-258 REV E DISCRETE I/O MODULE

Siemens 6ES7422-1FH00-0AA0 in Box

Siemens Supply Fuse 3NA3 820-2C 50A

Schleicher USP 2A U 31507501 622 075

Schneider Modicon ASHDTA201 SEALED Compact Subrack AS-HDTA-201

Schneider Modicon AS-B558-001 NSPP ASB558001

Schneider Modicon AS-W911-006 DATA LINK CABLE ASW911006

Schneider Modicon AS-C484-266 "AS-IS"

Schneider Modicon AS-B832-016/ASB832016 Beautiful condition

MODICON 91-00992-02 1PH 85VA 110/230VOLTS 50/60HZ MONITOR REFURBISHED

SIEMENS Analog Input Module 6ES5465-4UA13 NIB Opened to Take Pictures

SCHWEITZER 250603414X SEL-2506 REMOTE I/O MODULE NIB

SIEMENS MOORE PRODUCTS 15853-12-1 LINK FACE BOARD NNB

SIEMENS Sinumerik 6FC5412-0FA10-0AA0 Impuls Adapt .

SINGLE POINT

SIEMENS 6SN1123-1AA00-0CA1 SIMODRIVE

SIEMENS 6SN1145-1BA02-0CA2 SIMODRIVE 611 6SN11451BA020CA2

SIEMENS 6FC5235-0AA05-1AA2 FLOPPY DISK DRIVE BOX IPC SINUMERIK EXTERNAL

ALLIS CHALMERS CB26400 NSPP CB26400

ALLEN-BRADLEY 1400E 2711E-K14C6 SER A REV B PANELVIEW TERMINAL

ABB BI Vector 500 Drive

ADEPT TECH 30330-12000 USPP 3033012000

(3)GOULD BREAKER TYPE K-1600S / FRAME SIZE 1600A /SOLID STATE TRIP ITE TYPE SS

INDRAMAT KDS-1.1-100-300-W1-220 USPP KDS11100300W1220

TEXAS INSTRUMENTS PLC 565-2820 NSFP 5652820

FANUC A06B-0356-B755 NSFP A06B0356B755

CUTLER HAMMER JDC3250VWH09 USPP JDC3250VWH09

RELIANCE ELECTRIC 11C83K NSFP 11C83K

MOORE PRODUCTS 16114-171/04 USPP 1611417104

KAWASAKI TRC-5052 USPP TRC5052

Siemens 6ES5 374-2FJ21 6ES5374-2FJ21 XLT

Siemens 6ES5-696-3AA21 NSFP 6ES56963AA21

SIEMENS 6ES5-375-0LC41 USPP 6ES53750LC41

Siemens 6ES5 375-1LA21 Memory Sub Module 17030

Siemens CPU 948- 6ES5 948-UA22 very rare

Siemens 6SE6420-2UC11-2AA1 6SE6 420-2UC11-2AA1 NIB FS

Siemens TP27-6 6AV3627-1NK00-2AX0 Touchscreen Glass

Siemens 6FM1470-7AA25

Measurement Technology LTD MTL 8512-IF-HA HART Interface Module

XYCOM 70240-001 REV 1.1 I/O MODULE VME BOARD

Siemens 6ES7 291-8GF23-0XA0 64K Memory Card NIB

Siemens PC/MPI+ PC MPI+ PLC Programming Serial Cable

Reliance 0-51847-2

Schneider Modicon AS-B351-001 ASB35101 AC Input NIB FS

Schneider Modicon AS-9900-040 USPP AS9900040

Schneider Modicon AS-P453-632 USPP ASP453632

Schneider Modicon AS-B804 -116 NICE

Schneider Modicon AS-B231-501

Modicon PanelMate Plus PM Plus 1000 MM-PM10300C 24VDC

SIEMENS SIMATIC S5 6ES5 6ES5436-4UA12 VPE5 PLC DIGITAL INPUT MODULE 51922

Siemens 6ES7 331-1KF01-0AB0 6ES7331-1KF01-0AB0 SM331 Analog Input

Siemens Simatic Digital Output Module S5 6ES5 440-8MA21

SIEMENS 6DD1607-0CA1 6DD1 607-0CA1 in Box Free Ship

SIEMENS Sinumerik Power Supply 6EW 1861-3AB E Stand G

SIEMENS MINT 6SN1123-1AA00-0CA1 6SN11231AA000CA1 Servo

SIEMENS Simodrive 6SN1118-0DG13-0AA0 6SN11180DG130AA0

SIEMENS Control Rack 6FC3761-1FB Z_ Genumerik 3G Unit Sinumerik

Able Reducer VRKF-15C-200 Gear Ratio 1:15

ALLEN-BRADLEY 2706-D21J2 OPERATOR INTERFACE DATALINER

ABB ACH550-UH-059A-4 AC DRIVE IN A

Acterna TPI 570 ISDN Primary Rate Test Set

6ES7314-6CF00-0AB0 6ES7314-6CF02-0AB0 Brand , Factory Sealed,

88 Current Cable Puller w/Chains = Greenlee 6801 NIB

SIEMENS 6SE9-523-7DH40 NSFP 6SE95237DH40

BARBER COLMAN GCM-84221-1-0-1 USPP GCM84221101

AVG UTICOR 100G-OI1S2R1 USPP 100GOI1S2R1

MODICON AS-B883-201 USPP ASB883201

INTERMEC CV60A12A84001804 USPP CV60A12A84001804

BROOKS MFG 11-00457-1 USPP 11004571

Siemens S5-95U COMPACT UNIT PROFIBUS-DP MASTER

Siemens 6ES5-456-4UA12 NSFP 6ES54564UA12

SIEMENS 6ES5 752-0AA43 6ES57520AA43

SIEMENS S5 6ES5 460-4UA12 Module 6ES5-460-4UA12

Siemens S5 WF625 6FM1610-2CB00 6FM1 610 6FM16102CB00

SIEMENS 6ES7214-1BD22-0XB0 ping Worldwide

Siemens SIJECT OP37 6AV3 637-7AB16-1AM0 Membrane Keypad

Siemens 505-6202

HP 75000 Quad Line Interface Module p/n e1685a tested

WIELAND 87.200.2203.3 TERMANAL BLOCK INTERFACE MODULE

Siemens 6ES5 375-0LA15 6ES5375-0LA15 Memory Card FS

Siemens LOGO! Memory Card 6ED1056-5CA00-0BA0 NIB

Omron C200H-IA122

Schneider Modicon AS-H827-107 Gould 11 Slot 800 Series Rack

Schneider Modicon 984-780 PLC CONTROLLER MODULE PN AS-9760-000

Schneider Modicon AS-J200-001 REMOTE I/O SYSTEM EXPANDER

Schneider Modicon MODICON/ AS-W801-006 CABLE SIGNAL 800I/O 6FEET XLNT

Schneider Modicon AS-M380-006

 

來源:工控備件
版權(quán)聲明:工控網(wǎng)轉(zhuǎn)載作品均注明出處,本網(wǎng)未注明出處和轉(zhuǎn)載的,是出于傳遞更多信息之目的,并不意味 著贊同其觀點(diǎn)或證實其內(nèi)容的真實性。如轉(zhuǎn)載作品侵犯作者署名權(quán),或有其他諸如版權(quán)、肖像權(quán)、知識產(chǎn)權(quán)等方面的傷害,并非本網(wǎng)故意為之,在接到相關(guān)權(quán)利人通知后將立即加以更正。聯(lián)系電話:0571-87774297。
今日最新資訊
熱門資訊
0571-87774297