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1794-CE3
發(fā)布者:fzjfx0001  發(fā)布時(shí)間:2019-08-16 14:45:18

1794-CE3現(xiàn)貨 in stock! 歡迎來電咨詢~?。?/p>

1794-CE3


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(guó)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(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(duì)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(duì)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(guó)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(jiǎn)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(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。

Schneider Modicon Low Connector M AS-8534-000 ~NIB SURPLUS~

Schneider Telemecanique TSX Nesa TSX08H04MK HMI Panel

Schneider MODICON 984 series of Switch input modules AS-B809-016 WARRANTY

Reliance 57416 57C416 Remote I/O Comm. Module NIB

SIEMENS Digital Time Switch 7LF2511-OA 7LF2511OA WARRANTY

SIEMENS 3NA5-814 USPP 3NA5814

Synchronous Communications Inc Agile Modulator FAOC-60

HONEYWELL 621-0012RC COMMUNICATION MODULE

SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU-BOX 6FC52476FC53576SN

SIEMENS SINUMERIK 810D 6FC5412-0FA10-0AA0 NIB

SIEMENS MOORE 16804-43 APACSQUADLOG OIM FIBER OPTICAL INTERFACE MODULE 20600

Allen-Bradley PanelView 1400e 2711E-T14C6 Ser C Rev A

555DXR Electric Conduit Bender w/ 28007 Shoe Group 1/2" a€“ 2" Rigid,120V

Abb Totalflow 6213

A06B-0153-B084#7075 FANUC SERVO MOTORS REMANUFACTURED

7300-AVPB1 ALLEN BRADLEY POWER SUPPLY REMANUFACTURED

RELIANCE ELECTRIC 355C22D USPP 355C22D

ALLEN BRADLEY 1785-L60L/E NSPP 1785L60LE

ALLEN BRADLEY 150-A35NBDA NSFP 150A35NBDA

GENERAL ELECTRIC DS800NPSF1D1D USPP DS800NPSF1D1D

TOTAL CONTROL PRODUCTS QPI-31200-C2P USPP QPI31200C2P

SYMAX 8030-RIM-127 USPP 8030RIM127

FOXBORO 871FT-2D1A1C-3 USPP 871FT2D1A1C3

Siemens 6ES5-101-8UU13 USPP 6ES51018UU13

SIEMENS 6ES5 373-0AA61 6ES53730AA61

SIEMENS 6ES5-941-7UA11 USPP 6ES59417UA11

Siemens 6ES5 737-1CB00 USPP 6ES57371CB00

Siemens 6ES5 095-8MC03

Siemens LOGO! DM8 12/24R 6ED1 055-1MB00-0BA1

Rexroth Indracontrol L40 CML40.1-NP-220-NA-NNNN-NW

Texas Instruments 2493295-0002

SPEEDTRONIC MODULE DS3820 PIMB INTERFACE IN BOX

VWIC-1MFT-G703 CISCO 1-PORT RJ-48 MULTIFLEX TRUNK G.703

Siemens C7-634 6ES7634-1DF02-0AE3 Membrane Keypad

Modicon AS-T584-204

Schneider Modicon AUTOMATION DEP216/AS-BDEP-216/ 042244630

Schneider Modicon TSX Compact DAP 220/AS-BDAP-220 DAP220ASBDAP220

Schneider Modicon AS-B885-111 MODULE MOTION ASB885111

Schneider Modicon AS-B575-201

Schneider Modicon PLC AS-J892-001 COMMUNICATION MODULE

Schneider Modicon AS-P933-007 PLC

Schneider Automation / Modicon PanelMate Plus MM-PM22400C WARRANTY

SHARP VAC Input Module ZW-162N

RELIANCE ELECTRIC 0-51476-4 USPP 0514764

SIEMENS 6ES7132-4BB00-0AB0 OUTPUT MODULE 24VDC 0.5A S7

SIEMENS 6DD1640-0AC0PC Board Assembly EM11

OMRON C200H-ASC02 ASCII UNIT COMMUNICATION MODULE

SIEMENS SIMODRIVE 611 6SN1111-0AA01-1AA1

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

SIEMENS JACOBS TOOL HOLDER JCCAT40 X 16-6-FC COLET

ALLENBRADLEY1771OBOUTPUTMODULE8POINT12-24VDC

Allen Bradley SLC-500 Input Module 16-Point 1746-IA16

ABB PFEA113-20 Web Tension Advanced Electronics

YORK 026-32389-000 NSFP 02632389000

/REFURB REXROTH INDRAMAT DDS2.1W-100 SERVO DRIVE

MODICON AS-506P-F32 NSPP AS506PF32

1794-CE3

ALLEN BRADLEY 1394-SJT05-C-RL USPP 1394SJT05CRL

GETTYS 110-232 USPP 110232

GE FANUC IC3600AOAB1 USPP IC3600AOAB1

SIEMENS 6SC9112-3BA05 USPP 6SC91123BA05

SIEMENS 3TF5-622-0XF0 NSFP 3TF56220XF0

ALLEN BRADLEY 100-B300NA3 NSFP 100B300NA3

Siemens 6ES5 921-3UA12 6ES59213UA12

Siemens S5 6ES5 924-3SA12 6ES59243SA12 NIB

SIEMENS 6ES5-470-8MA11 USPP 6ES54708MA11

Siemens 6ES5 430-7LA11/6ES5430-7LA11 INPUT MODULE XLNT

Siemens S5 Stepper Motor Module 6ES5 267-8MA11

Siemens DCS Module 6DS1327-8AA

SEALEDIN STOCK AUTHORIZED RE SELLER FREE SHIP

Square D 8501 X040XTE1

Siemens 6ES5301-3AB13 Interface Module 60 DAY WARRANTY FREE

WE SHIP SAME CISCO WS-C3750V2-24PS-S SWICTH 1 YR 3750V2-24

Siemens 6GK7 343-5FA01-0XE0 6GK7343-5FA01-0XE0 CP343-5

Siemens TP177B 6AV6642-0BA01-1AX1 Touch Glass + Film

Schneider Modicon / TSX COMPACT DTA 202/AS-HDTA-202 -

Schneider Modicon AS-BDEO-216 16 Pt 24VDC Input ASBDEO216

Schneider Modicon AS-B807-132 NSFP ASB807132

Schneider Modicon PLC AS-J892-001 COMMUNICATION MODULE ASJ892001

Schneider Modicon AS-P120-000 Power Supply

Schneider Modicon AS-BADU-206

Schneider/Modicon MM-PM21400C PanelMate Plus 2000C

SIEMENS 6ES7 321-1BL00-0AA0 32 INPUT MODULE XLNT COND.

Sans Digital HA-ARC-ARC1223X 2-Port Mini-SAS 6G SAS/SATA PCIe 2.0 x8 Controller

SIEMENS EA-12 ANALOG OUTPUT MODULE 6DD1642-0BC0 /BOX

SIEMENS SINUMERIK 810 6FX1126-1AA04 TESTED WARRANTY

SIEMENS 505-7354 PEERLINK PEER COMMUNICATIONS MODULE

SIEMENS 6SN1-145-1BA01-0DA0 USPP 6SN11451BA010DA0

SIEMENS 6SN1112-1AC01-0AA1 SIMODRIVE 6SN11121AC010AA1

SIEMENS 6FC5114-0AA02-0AA2 6FC51140AA020AA2 ver A

AllenBradleyMountingClipKit4-PiecePanelview600Cat77135-166-55

ALLEN BRADLEY X-325851 NSFP X325851

ABB DSMB175 P/N.57360001-KG Memory Board , Dynamic

Adimec MX12P camera MX 12P MX 12 P MX12P/8X40 ISS:1.1

(9777) Honeywell PC Board 51401291-100

INDRAMAT TVD1.2-15-03 USPP TVD121503

YAMATAKE 80360147-001 USPP 80360147001

FANUC A16B-2200-0080 USPP A16B22000080

ENDRESS & HAUSER 33FT1H-MH1FD11F21A NSPP 33FT1HMH1FD11F21

RELIANCE ELECTRIC 86466-80R USPP 8646680R

OMRON CV500-SNT31 NSFP CV500SNT31

ORIENTAL MOTOR UDX5128 NSFP UDX5128

Siemens 6ES5 451-4UA13 6ES54514UA13

Siemens 6ES5-922-1AA21 NSFP 6ES59221AA21

SIEMENS 6ES5-420-3AB11 USPP 6ES54203AB11

Siemens 6ES5 441-8MA11 Digital Output Module 26622

Siemens S5 6ES5 421-8MA12 DIGITAL INPUT MODULE

SIEMENS 6SE7090-0XX84-6AD1

Siemens 6ES7 331-7KF02-0AB0 -FS- 6ES73317KF020AB0

Spectrum Controls 8000 SCP-204

MYRICOM M2F-PCI32 MYRICOM INTERFACE MODULE

WS-X45-SUP6L-E Cisco Supervisor Engine 6L-E Control processor

SIEMENS 6ES7 621-1AD01-0AE3 C7-621 99%

Siemens RWX62.734/509 Controller

Reliance 11C409S

Schneider Modicon Helen .. Right As Rain

Schneider Modicon AS-B260-010 USPP ASB260010

Schneider Modicon AS-S202-020 USPP ASS202020

Schneider Modicon AS-B840-108 800 I/O REED RELAY MODULE

Schneider Modicon AS-B804-016 ASB804016 16 Point 120 VAC Output

MODICON MM-PM10-200 PANELMATE PLUS MONITOR

SIEMENS SIGA-CC1-LG MODULE SINGLE INPUT SIGNAL-

Siemens 6ES5 523-3UA11 6ES55233UA11

SIEMENS S5 6ES5 458-7LA11 Relay Output Module

SIEMENS 6DD3-470-0AD0/6DD3470-0AD0 BOARD XLNT

SIEMENS SINUMERIK 840D/DE NCU 572.3 6FC5357-0BB22-0AE0

SIEMENS 6SN1-113-1AB01-0BA0 USPP 6SN11131AB010BA0

SIEMENS Simodrive 611 E/R 6SN1146-1BB01-0BA1 NIB

SIEMENS 6FC9340-8WC 6FC93408WC CABLE

Advantech PCA-6006 Main Board REV B1 PCA-6006VE

ALLEN-BRADLEY 1771-OBD 10-60 VDC OUTPUT MODULE SER. A

ABB ACS800-U1-0060-5 INDUSTRIAL AC MOTOR VFD DRIVE 60HP 380-500 Volt 3 Phase

ADEPT 10332-00500 VJI MODULE CONTROL CARD

6FC5357-0BB33-0AE2 840D CONTROLLER CARD Siemens 573.3 version

92pcs/ JDSU Gain Flattening Filter 1530~1565nm FBGEF-C34-CV2A

STAEFA CONTROL SYS 549-407 NSPP 549407

COOPER POWER SYSTEMS CEP300413 NSFP CEP300413

BTG 883-0752-120 USPP 8830752120

NDT INTERNATIONAL NDT-103D USPP NDT103D

METRA INSTRUMENTS 611-0012-000 USPP 6110012000

FANUC A20B-2902-0373 USPP A20B29020373

Siemens 6ES5 241-1AA11 6ES52411AA11

Siemens 6ES5-470-4UB11 USPP 6ES54704UB11

SIEMENS 6ES5-102-8MA01 USPP 6ES51028MA01

SIEMENS S5 EPROM 2K 6ES5-910-0AA31

Siemens 6ES5 240-1AA21 Counter / Positioning Card E Stand 3

SIEMENS 6ES7-621-1AD02-0AE3 Membrane Keypad C7-621

Siemens TD200 6ES7272-0AA30-0YA0 Operator Interface NIB

Siemens 6ES5421-8MA11

Interface Niagara 2296 Fibre IO Module N2296-I/O-LX

YOSHIMURA FOR YAMAHA RAPTOR 700 06-10

Siemens 6ES6400-0EN00-0AA0 Micromaster Encoder FreeShip

SIEMENS MP370 12.1" 6AV6 545-0DA10-0AX0 Touch Screen Protective Film

Pacific Scientific 5240

Schneider Modicon AS-B883-201 REM ASB883201 I/O MODULE

Schneider Modicon AS-516P-008 USPP AS516P008

Schneider Modicon AS-M380-902 USPP ASM380902

Schneider Modicon AS-8534-000 HIGH/LOW DENSITY CONNECTOR

Schneider Modicon 115V INPUT MODULE AS-B805-016

Schneider Modicon AS-BDAP-210 ASBDAP210

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Schneider/Modicon Twido Module TWDAMI2HT , Old Box

SIEMENS SINUMERIK 12.1 TFT OPERATOR INTERFACE PANEL 6FC5203-0AF02-0AA1

SIEMENS 4AV2401-2EB00-0A POWER SUPPLY NNB

SIEMENS SINUMERIK 820 T 6FX1121-2BA03 WITH 6FX1822-6BX00-3D TESTED WARRANTY

Cisco WS-SVC-CMM Communication Media Module warranty - qty available

SIEMENS SIMODRIVE 6SN1145-1BA02-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5356#2ZM

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 [5]

Advantech PCA-6006 CPU Main Board REV A1

Allen-Bradley 2711-TC1-B PanelView Touch Screen

ABB 3HAB8101-11/06B DSQC 346E S4C+ M2000 Robot Controller Servo Drive

ACCURAY 125318-001 USPP 125318001

A16B-2202-0900 Fanuc Main CPU with all daughter boards

810A04A ALLEN BRADLEY 810 A04A

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ASEA BROWN BOVERI 57310255-AV USPP 57310255AV

ALLEN BRADLEY 8520-COP USPP 8520COP

MAGNETEK DS440 USPP DS440

HONEYWELL 14506951-002 USPP 14506951002

ALLEN BRADLEY 1336VT-B005-EON USPP 1336VTB005EON

REXNORD ZA-2315 NSPP ZA2315

Siemens 6ES5-374-2AH21 USPP 6ES53742AH21

SIEMENS 6ES5 451-4UA13 -- 6ES54514UA13

SIEMENS .6ES5 470-4UA12.6ES5470-4UA12.XLT.

Siemens PLC 6ES5-103-8MA01/6ES51038MA01/6ES5-103-8MAO1/6ES51038MAO1 NICE

SIEMENS 6ES7 312-5AC02-0AB0 6ES7312-5AC02-0AB0 FreShip

SIEMENS PC670-12 6AV7723-1AC00-0AD0 Membrane Keypad

PWR-950-AC 950W AC P/S FOR CISCO 7600 AND CAT 6500

GSM Modem Pool 8 Ports USB interface Wavecom Module AT Commands Q2303

Tripp Lite B078-101-PS2 Server Interface PS2 Module B078-101-PS2

Siemens 6AV3503-1DB10 OP3 ping Worldwide

Siemens Inverter 6SE6420-2UC25-5CA1 6SE64202UC255CA1 in Box

Modicon SW-CS5D-1DA

Schneider Modicon Extender Cable 6' AS-W801-006 warranty

Schneider Modicon ASP120000 Power Supply 115/230 VAC AS-P120-000 Electric

Schneider Modicon AS-E385-904 NSFP ASE385904

Schneider Modicon AS-S953-003

Schneider Modicon AS-B241

Schneider Modicon Output Module AS-B804-016 115 VAC WARRANTY

Schneider TSX08ED12R8 Telemecanique MODICON in Box

Schneider Modicon Premium TSXAEY414 TSX 4 ANA I. Multirange

SIEMENSTITEXASINSTRUMENTSOUTPUTMODULE500-5011

SIEMENS 6DD1681-0AG2 output module 120vac/dc

SIEMENS 6FX1115-0AA02 SINUMERIK VIDEO INTERFACE MODULE

GM MODULE COMMUNICATION INTERFACE

SIEMENS SIMODRIVE E/R-MODULE INT.36/47 KW 6SN1145-1BA02-0CA1

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

SIEMENS Seimens Moore APACS VIM 39VIMCCN 16171-126 Volt Input

Allen-Bradley PanelView 1200 Operator Interface 2711TC1MC

5CD174ZA810A800 20 HP, 2500 RPM GE DC SURPLUS ELECTRIC MOTOR

ABB WRIST AX.5-6 for IRB 1400 - 3HAB3388-1 - 3HAA2286-2

A06B-0166-B675#0016 FANUC SERVO MOTORS REMANUFACTURED

75 HP 1185 RPM Vector Duty AC TEBC Motor

RELIANCE ELECTRIC 45C-316 USPP 45C316

ALLEN BRADLEY 1785-V80B NSFP 1785V80B

ALLEN BRADLEY 1747-L542P USPP 1747L542P

GIDDINGS & LEWIS 502-03963-60 NSFP 5020396360

US MOTORS 1800-8415 USPP 18008415

TELEMECANIQUE TSX-P57353AM USPP TSXP57353AM

FOXBORO P0970EJ-DNBX USPP P0970EJDNBX

Siemens 6ES5-135-3UA21 USPP 6ES51353UA21

SIEMENS 6ES5 374-1KH21 6ES53741KH21

SIEMENS 6ES5-951-7LB14/6ES5951-7LB14 P/S MODULE NIB

Siemens 6ES5 762-2AA12 NSFP 6ES57622AA12

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來源:工控備件
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