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產(chǎn)品簡介
6EP5301-5BB00
6EP5301-5BB00
產(chǎn)品價格:¥1
上架日期:2019-08-24 13:52:17
產(chǎn)地:6EP5301-5BB00
發(fā)貨地:福州
供應(yīng)數(shù)量:不限
最少起訂:1個
瀏覽量:147
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詳細說明

    6EP5301-5BB00現(xiàn)貨 in stock! 歡迎來電咨詢~??!

    6EP5301-5BB00


    單元機組控制系統(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,以及一些機組的煙氣濕法脫硫控制直接進入單元機組DCS控制的成功運行,標志著控制系統(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,降低了維護的工作量及費用,所以近幾年一體化控制系統(tǒng)在不同容量的新建機組中逐漸得到應(yīng)用,如浙江華能玉環(huán)電廠4×1000MW機組、臺州電廠2×300MW機組和安徽鳳臺電廠4×600MW機組均全廠采用西屋Ovation系統(tǒng),國華浙能寧海電廠4×600MW機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機組全廠采用I/A系統(tǒng),國華臺山電廠2×1000MW機組采用北京和利時公司系統(tǒng),浙江樂清電廠4×600MW機組全廠采用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)運行可靠性,相反倒有可能導(dǎo)致故障停機的概率增加。何況單元機組各個控制系統(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)致機組停機,即使沒有直接導(dǎo)致停機,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,獨立的應(yīng)用體系,標準化的通訊協(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和上位機構(gòu)成各自的網(wǎng)絡(luò),在各車間控制室內(nèi)單獨控制,因此得配備大量的運行人員。為了提高外圍設(shè)備控制水平和勞動生產(chǎn)率,達到減員增效的目的,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,即將相互獨立的各個外圍輔助系統(tǒng),利用計算機及網(wǎng)絡(luò)技術(shù)進行集成,在全廠IT系統(tǒng)上進行運行狀況監(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,集中監(jiān)控點設(shè)在四機一控室里,打破了傳統(tǒng)的全廠輔助車間運行管理模式,不但比常規(guī)減員30%,還提升了全廠運行管理水平。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護費用。由于取消了多個就地控制室,使得基建費用和今后的維護費用都減少。一些老廠的輔助車間也在進行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機組,取得較好效果。

    ALLEN BRADLEY 1305-BA09A-DE USPP 1305BA09ADE

    Siemens 6ES5 981-0HA11 6ES59810HA11

    SIEMENS 6ES5 605-0UB11 6ES56050UB11

    SIEMENS 6ES5-760-2CA21 NSFP 6ES57602CA21

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    Square D 8005 DMU-1

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    Siemens S7-200 EM231 RTD 6ES7231-7PB22-0XA0 EM 231 ping Worldwide

    Reliance 45C67

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    Schneider Modicon AS-B352-000 USPP ASB352000

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    HONEYWELL 1870 USPP 1870

    SYMAX 8030-CRM-565 NSFP 8030CRM565

    CUTLER HAMMER S801T24N3B USPP S801T24N3B

    COMPUMOTOR KHJX-DRIVE-720 USPP KHJXDRIVE720

    NSK XY-HRS-050-H201 USPP XYHRS050H201

    MITSUBISHI MC260-CE NSFP MC260CE

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    PLC DIRECT D4-FILL

    Schneider Modicon AS-B864-001 OUTPUT MOD. SURPLUS ASB864001

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    6EP5301-5BB00

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    ACCUTHERM THERMA CARE RA 090804

    A4001-N ESD Target Set IEC 61000-4-2, 30dB Attenuator, SMA Cable

    83402A, Agilent, Lightwave Source 300 kHz - 6 GHz, OPT 012, 6 MONTH

    SIEMENS 6ES7-671-0CC01-0YX0 NSFP 6ES76710CC010YX1

    ASEA BROWN BOVERI DSCA-125A USPP DSCA125A

    APC SURT3000XLT USPP SURT3000XLT

    MITSUBISHI A3-CPU NSPP A3CPU

    INDRAMAT BTV20.2CA-64B-33C-D-FW USPP BTV202CA64B33CDF

    ALLEN BRADLEY 2711-B6C1 USPP 2711B6C1

    SIEMENS R15-02-256 USPP R1502256

    Siemens 6ES5-415-7AB11 USPP 6ES54157AB11

    SIEMENS 6ES5 464-8MA21 6ES54648MA21

    SIEMENS 6ES5 705-0BB50 6ES57050BB50

    Siemens PLC DIGITAL INPUT 6ES5 422-8MA11 6ES5422-8MA11

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    USB SERVER INTERFACE MODULE FOR

    SIEMENS 6AV6545-0AG10-0AX0 MP270 Touchscreen Glass

    Siemens LOGO 24L 6ED1053-1CA00-0BA0 6ED1 053-1CA00-0BA0

    Netcom Panel-Tec PE 8000

    Schneider Modicon Battery CELL MA-0147-002 FOR AS-5378-002 PACK

    Schneider Modicon AS-500P-000 P190 PROCESSOR BOARD

    Schneider Modicon AS-E785-914 Memory Module Lot of 2

    Schneider Modicon GOULD AS-M680-116 MODULE MEMORY EXECUTIVE CARTRIDGE ASSEMBLY 16K NNB

    Schneider Modicon AS-B820-008

    Schneider Modicon P933 POWER SUPPLY AS-P933-000

    Schneider/Modicon TM2DDO32TK TM2DD032TK

    Schneider Power Meter PowerLogic PM810MG

    SiemensPanel6AV6640-0BA11-0AX06AV640BA110AX0

    SIEMENS 6AV6545-5BC00-0CD0 OPERATOR INTERFACE PANEL

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    ALLEN-BRADLEY P/N: 1492-CB3

    A-B 20BE022A0AYNAND0 POWERFLEX 700 DRIVE 20HP TESTED

    ABS Pumps AFP 1541.2 M105/40 14hp 575v 3ph 1750rpm Submersible Pump - Refurb'd

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    75 HP ELECTRIC MOTOR 3600 RPM 365TS

    RELIANCE ELECTRIC 801429-SC USPP 801429SC

    ALLEN BRADLEY 2711-T10C8 USPP 2711T10C8

    ALLEN BRADLEY 1771-NIVR USPP 1771NIVR

    HONEYWELL 51401291-100 USPP 51401291100

    WESTINGHOUSE WHUN31 USPP WHUN31

    TOTAL CONTROL PRODUCTS CRTXXXXXM1A USPP CRTXXXXXM1A

    GETTYS A3110-001 USPP A3110001

    Siemens 6ES5-234-1AD11 USPP 6ES52341AD11

    SIEMENS 6ES5 375-0LD31 6ES53750LD31

    SIEMENS BOARD 6ES5-400-0AA11 6ES5 400 0AA11 6ES54000AA11 SPCB463 SIEMEN

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    AllenBradley1756-OB16EDigitalOutputModuleControlLogix

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    0.250" x 25" Vamco Servo Feeder Model: CFS-30II S/N: HDC42530PVPCL13

    MODICON MM-PM21-200 USPP MMPM21200

    ALLEN BRADLEY 150-A240NCDB USPP 150A240NCDB

    ADEPT TECH 30332-12350 USPP 3033212350

    GE FANUC IC752WTA055-GC USPP IC752WTA055GC

    SOLA ELECTRIC 056-00300-0000-09 USPP 05600300000009

    SIEMENS 6ES7-806-0CC00-0YE0 NSFP 6ES78060CC000YE0

    ALLEN BRADLEY 8000-MB2Z USPP 8000MB2Z

    Siemens 6ES5 941-7UB11 6ES59417UB11

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    SIEMENS 6ES5-521-8MA22 SERIAL INTERFACE MODULE 6ES55218MA22

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    Siemens 315-2DP 6ES7 315-2AG10-0AA0

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    SCE2020-4XGBE-MM Cisco Service Control Engine 2020 Network monitoring device

    Square D 9065-TF22

    SIEMENS ASI BLOCK 3RK1400-1DQ00-0AA3 AS-INTERFACE COMPACT MODULE K60 BRAND

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    SIEMENS 6SE6400-0EN00-0AA0 ENCODER MODULE

    Siemens TP27-6 6AV3627-1NK00-0AX0 Touchscreen Glass

    Schneider Modicon TSX COMPACT 24VDC 0.5A OUTPUT MODULE AS-BDAP-216N 3

    Schneider Modicon ASBDAO216 16 Pt 24VDC Output AS-BDAO-216

    Schneider Modicon AS-B827-032 MODULE ASB827032

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    Schneider Modicon AS-W804-002 USPP ASW804002

    Schneider Modicon AS-C921-101 Communication Processor Rev A-5

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    SIEMENS 6ES5-464-8ME11 ANALOG INPUT MODULE 6ES54648ME11

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    SIEMENS SINUMERIK 840C NC CPU 6FC5110-0BB01-0AA2

    Rivulet Communications NCU-PCI module

    SIEMENS 6SN2-132-5KW11-1BA1 NSFP 6SN21325KW111BA1

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    ALLENBRADLEY3055DATAMYTEOPERATORINTERFACE

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    (H7) 1 GE 44A399734-G01 PC BOARD H7

    KMC CONTROLS KMD-5831 USPP KMD5831

    ADEPT TECH 30336-31000 USPP 3033631000

    FOXBORO D0148MP USPP D0148MP

    FANUC A06B-0345-B331 USPP A06B0345B331

    SICK OPTIC ELECTRONIC CLV-490-1010 NSPP CLV4901010

    RELIANCE ELECTRIC 0-51865-14 NSFP 05186514

    SABINA ELECTRIC 6801001 USPP 6801001

    Siemens 6ES5 463-4UB12 ANALOG INPUT MODULE

    Siemens 6ES5-928-3UB21 NSPP 6ES59283UB21

    SIEMENS 6ES5-431-4UA12 NSFP 6ES54314UA12

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    Siemens S5 6ES5 491-OLB11

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    Square D 8009 RT8

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    SIEMENS 6ES7212-1BB21-0XB0 CPU 222

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    Reliance 57516

    Schneider Modicon Gould AS-B230-501 Output Module ASB230501

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    SIEMENS 6SN1118-0DG23-0AA1 6SN11180DG230AA1

    SIEMENS SIMODRIVE 611 6SN1111-0AA00-0CA1 REACTOR

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