机组负荷控制系统介绍

600MW单元机组负荷控制系统汽包锅炉给水控制系统直吹式锅炉燃烧控制系统主要内容过热汽温和再热汽温控制系统600MW机组模拟量控制系统分析试验数据处理及控制系统整定自动控制系统简介锅炉汽轮发电机锅炉控制子系统汽轮机控制子系统协调控制级基本控制级单元机组单元机组负荷控制系统AGC锅炉侧负荷指令调汽门给水风量燃料DCS系统锅炉侧负荷指令MANf…..600MW单元机组负荷控制系统单元机组负荷控制系统的任务及功能单元机组负荷控制的任务①保证机组输出功率迅速满足电网的要求；②迅速协调锅炉、汽轮机之间的能量供求平衡关系，使输入机组的热量尽快与机组输出功率相适应；③在各种运行工况下，均能保证机组安全运行单元机组负荷控制系统的功能①参加电网调峰、调频；②稳定机组运行；③机组出力与主机和辅机实际能力的协调；④具有多种可选择的运行方式；⑤完善的与其他控制系统间的通讯接口单元机组负荷控制对象的动态特性锅炉燃烧率B发电机去电网汽轮机TpDENT(a)(b)ENENENDBDttttttttENBTtDtTptENt1t(c)600MW机组负荷控制系统的运行方式锅炉跟随控制方式汽机跟随控制方式特点：适应负荷的能力强机组运行的稳定性差特点：适应负荷的能力差机组运行特别稳定600MW机组负荷控制系统的运行方式以锅炉跟随为基础的协调控制方式以汽机跟随为基础的协调控制方式特点：适应负荷的能力较强机组运行较稳定特点：适应负荷的能力较强机组运行较稳定600MW机组负荷控制系统的运行方式综合协调控制方式单元机组负荷控制方式：1.基本控制方式——锅炉主控和汽机主控都处于手动或跟踪方式2.锅炉跟随控制方式—锅炉主控自动，汽机主控手动或跟踪方式3.汽机跟随控制方式—汽机主控自动，锅炉主控手动或跟踪方式4.协调控制方式——锅炉主控和汽机主控都处于自动方式(1).以锅炉跟随为基础的协调控制方式(2).以汽机跟随为基础的协调控制方式(3).综合协调控制方式特点：适应负荷的能力较强机组运行较稳定内部负荷指令：RB---辅机故障减负荷指令FCB---机组快速切负荷指令BI----闭锁增加指令BD---闭锁减少指令RD----迫降负荷指令TRACK---跟踪指令EN0pTp单元机组负荷指令处理回路主汽压力设定值形成回路RUNBACK负荷控制回路频率偏差校正回路燃料主控DEH汽轮机数字电液控制系统锅炉主控制系统汽轮机主控制系统0NMCS锅炉控制系统运行人员手动指令MAN自动调度系统指令AGC机组频率F600MW机组负荷协调控制系统BMTMSCS机组程序控制系统FSSS锅炉安全监控系统辅机自动控制系统600MW机组负荷控制系统的组成功能模块说明0011OR&NOTx/ySRQQ11000110YXY00XX11RS(S)1(Q)111(R)1(Q)0(Q)(Q)(S)(R)10x/ySRQQYXY00XX11RS(S)1(Q)111(R)1(Q)0(Q)(Q)(S)(R)10功能模块说明TDON?s01?s01100?s?sTDOFF?s10?s10011?s?s?s0101?s?s10?s?s?s=xXX11XX10SEL功能模块说明功能模块说明=1×1+2×2+=1×2Σ×Δ=1×12×2÷BA=A÷Bdx/dtΣ/n100C√F(x)H/LHLΔHL(H)1(L)1(H)1(L)1T210112V1T210112功能模块说明PIDPVSPFFO/TRTROAMAOA()PVAOFFO/TRTROAMSPAPIDAIAOS/TRTRSO/TRTROAMAPSPAA/M/AISPS/TRTRSO/TRTROAMAOA()AGCAI1BADAGC10CJA01DU003sh2/2ORNOTAIAOO/TRTROAMAPASPAIAOO/TRTROAMAPASPAIAOO/TRTROAMAPASP1010CJA01DU007sh6/8710CJA01DU007sh4/8410CJA01DU004sh1/2RUNBACK10CJA01DU007sh6/8MFT10HYY00CZ001sh7/7OR0.01ORAGC5s5s2sh2NOT3sh2sh2ΔHL410CJA01DU004sh1/2NOTNOT&6sh26Σ210CJA01DU005sh1/11、机组负荷指令处理10CJA01DU001sh1/32sh1V3sh1AIAOO/TRTROAMAPASPT210.04T210.0ΣC5sh310CJA01DU003sh1/210HYA00DU001sh2/310LAB82AA001sh3/5OR10CJA01DU003sh2/2NOTOFFONSLCAOFFBLAONAGC1sh1OR6sh1NOT10CJA01DU002sh1/110CJA01DU003sh1/210CJA01DU004sh1/210CJA01DU006sh1/1ΔHLOR10CJA01DU006sh1/11、机组负荷指令处理10CJA01DU001sh2/31、机组负荷指令处理&NOT10HFD10ZZ700AAI6BADH/LH&NOT10HFD20ZZ700BAI7BADH/LH&NOT10HLB10ZZ700AAI8BADH/LH&NOT10HLB20ZZ700BAI9BADH/LH&NOT10HNC10ZZ700AAI10BADH/LH&NOT10HNC20ZZ700BAI11BADH/LHOR10HLB10AA700sh4/610CJA01DU003sh1/210HYA00DU001sh2/310LAB82AA001sh3/55sh210CJA01DU001sh1/32、机组频率校正10MKA01AG001CE51#1AI1BAD×ΔCCNOTOFFONSLCAOFFBLAON1ORT12V10CJA01DU001sh1/32V0.0CT120.03&10CJA01DU003sh2/23&NOTNOT10CJA01DU005sh1/13、RUNBACKT21A110HLB10AN001ZD1Σ0.0CT21CB110HLB20AN001ZD1T21ΣCT21CA110HNC10AN001ZD1B110HNC20AN001ZD11sh62sh6sh7sh710CJA01DU007sh1/8T21A110HFE10AN001ZD1Σ0.0CT21CB110HFE20AN001ZD1T21ΣCT21CA210HLD10AP001ZD2A210HLD10AP002ZD2B210HLD20AP001ZD2B210HLD20AP002ZD2&TDON?s&TDON?s3sh64sh6sh7sh710CJA01DU007sh2/83、RUNBACKMCST21Σ0.0CT21CT21ΣCT21CA110HAG41AP001ZD1A10HAG41AP001sh2/3B110HAG42AP001ZD1B10HAG42AP001sh2/3TDON2sTDON2sT21CT21CAA110LAC10AP001ZDA1AB110LAC20AP001ZDA1BA110LAC10AP001ZDB1BB110LAC20AP001ZDB1AC110LAC30AP001ZDA1BC110LAC30AP001ZDB1&&&ORORC110HAG43AP001ZD1C10HAG43AP001sh2/3TDON2sOR5sh66sh6sh7sh710CJA01DU007sh3/83、RUNBACKA110HFB10AF001ZD1T210.0CT21T21CT21CT21CT21CB110HFB20AF001ZD1C110HFB30AF001ZD1D110HFB40AF001ZD1E110HFB50AF001ZD1F110HFB60AF001ZD15.0Σ÷BA1610HYA00DU001sh2/3T21C0.0ΣC10HYY00CZ005sh1/11NOTΣ710CJA01DU001sh1/3×C10CJA01DU007sh4/83、RUNBACKA110HFB10AF001ZD1T210.0CT21T21CT21CT21CT21CB110HFB20AF001ZD1C110HFB30AF001ZD1D110HFB40AF001ZD1E110HFB50AF001ZD1F110HFB60AF001ZD15.0Σ÷BA1610HYA00DU001sh2/3T21C0.0ΣC10HYY00CZ005sh1/11NOTΣ8sh6sh710CJA01DU007sh5/83、RUNBACK4sh21sh12sh13sh28sh55sh36sh3T21CH/LH0.0Σ210CJA01DU003sh2/2V9sh7111010CJA01DU001sh1/3×CRB10CJA01DU003sh2/2ΔHL&300sRUNBACK10CJA01DU001sh1/312sh813sh7sh810CJA01DU002sh1/110CJA01DU003sh2/210CJA01DU004sh2/2120s15sh714sh7OR&10LAE53AA101sh1/210LAE54AA101sh1/210LAE51AA101sh1/110LAE52AA101sh1/210LAF41AA101sh1/110LAF42AA101sh1/210CJA01DU007sh6/83、RUNBACKMCS210CJA01DU003sh2/2ΔHL1sh1ΔHL2sh1T21CCT21CΔHL4sh2T21CΔHL5sh3T21CΔHL6sh3T21CΔHL3sh2T21CΔHL8sh5T21C9sh6RUNBACK110HYY00CZ003sh1/2OR&13sh614sh615sh6sh810CJA01DU007sh7/83、RUNBACKRUNBACK210HYY00CZ003sh1/2&13sh614sh7OFFONSLCAOFFBLAON12sh610HYA00DU001sh3/3NOT10HYY00CZ003sh2/210CJA01DU007sh8/83、RUNBACK4、主汽压力设定10CJA01DU003sh2/2ORNOTAIAOO/TRTROAMAPASPRUNBACK10CJA01DU007sh6/8MFT10HYY00CZ001sh7/73NOT410CJA01DU001sh2/3ΣF(x)AIAOO/TRTROAMAPASP2Δ1V10CJA01DU004sh2/2NOT&1NOT21710LBA10CF901sh2/4()10CJA01DU003sh1/210CJA01DU004sh1/210CJA01DU002sh1/15、锅炉主控制器PVAOFFO/TRTROAMSPAPID410CJA01DU001sh2/3Σ×Cdx/dt310CJA01DU002sh1/11710LBA10CF901sh2/4()1610LBA10CF901sh2/4×C10CJA01DU001sh3/3ΔHL10CJA01DU001sh2/3÷BA×PVAOFFO/TRTROAMSPAPID×CT211sh22sh22sh23sh2NOT4sh24sh2NOT×110CJA01DU006sh1/110CJA01DU003sh1/25、锅炉主控制器1sh1AIAOS/TRTRSO/TRTROAMAPSPAA/M1110CJA01DU007sh6/8RB210HYA00DU001sh2/3sh110CJA01DU002sh1/1310HYA00DU001sh3/31310HYA00DU001sh2/3T21OR&NOTRUNBACK10CJA01DU007sh6/8OR()10LBA10CF901sh2/410CJA01DU004sh2/210LBA10CF901sh3/4NOT3&10CJA01DU001sh1/3MFT10HYY00CZ