子系統(tǒng)控制邏輯描述yaw20system

ComponentSubsystemfunctiondescription-YawDoc AuthorNiApprovedbyThisispropertyofEnvisionEnergy.UseofthisisprohibitedwithoutNDAorwrittenpermissiongivenbyEnvisionEnergy.Themustnotbecopied,reproducedorhandedouttothirdparty.TheshallbereturnedtoEnvisionEnergyupondemand.2013-9ofSubsystemFunctionYaw DrafterNiApprover System System Yaw System Remote System Yaw Yaw_SC Yaw_SC System YawSystem Yaw YawLimit YawManual YawAutoControl YawManualMode YawUntwistMode YawMotorDriver Yaw YawAuto Electrical SCADA- Introduction describesfunctionsofYawChangeNiInitial2013-9-SystemInthissection,pleasedescribethebasicfunctionandpositioninwholeGlobalYawGlobalYawForMoreInformationAboutMechanicalDiagramorElectricalDiagram,PleaseReferToYawTheYawsystemisusedforthesedifferentSystemInthissection,pleasedescribetheelectricalinterface,whichincludepowerrequirement,sensorssignaltypeandphysicalmeaning,andactuatorcontrolsignaltypeandphysicalmeaning.Inthissubsection,pleaselistIOinterfaceofthisPhysicalPhysicalInthissubsection,pleaselistParametersinterfaceofthisPhysical 0338 077 角0-0 2圈2Inthissubsection,pleaselistStatuscodeinterfaceofthis RemoteInthissubsection,pleaselistRemoteCommandinterfaceofthisN NNN偏航加熱器強(qiáng)制模式N偏航加熱器手動(dòng)模式NNNNNNN旁路偏航扭攬限位開NNNNNInthissubsection,pleaselistStatisticsinterfaceofthis次秒次秒Inthissubsection,pleaselistTraceloginterfaceofthisPleaseCheckSystemInWhatkindsofstatusthatyouwanttomonitor?Iftheconditionissatisfied,whtionshouldbetakenforsubsystemandwholesystem?Forexample,thegeneratortemperatureishigherthancertainvalue,warningmessageshouldbeoutput.Whengeneratortemperatureisincreasingthancertainvalue,powerreductionshouldbetaken.Ifthetemperatureishigherthancertainvalue,themachineshouldbeshutdown.Yaw將風(fēng)機(jī)的偏航SC分為3CommonSC，三種機(jī)型共有的SCTypeMatch1YawSystemType1際值小于理論值SC。 SC_StartRewindingLoopCables，自動(dòng)解纜SC。當(dāng)偏航撞一級(jí)限位，會(huì)觸發(fā)該SC。只有當(dāng)解纜結(jié)束或者觸發(fā)更高等級(jí)的YpLevel，復(fù)位該SC。Yaw_SCYaw_SCSystemInthissection,pleasedescribelogicbetweeninputs(fromsensororwholesystem)andoutput.Thelogicincludesautomaticcontrol,manualcontrol,subsystemmonitoringandactionswhenerroroccurred,andwhatkindsofdata ponentsownerwanttolog,statisticandfunction(eg,currentdistribution,countofopenandclose).YawSystem偏航系統(tǒng)主要分為了三大塊：Yaw_Control,Yaw_HeaterYaw_AutoGrease。Yaw_Control中包含了手動(dòng)偏航和自動(dòng)偏航；Yaw_Heater為偏航電機(jī)加熱器；Yaw_AutoGrease為偏航自潤滑系統(tǒng)。YawYawLimitYawManual由多路信號(hào)組成gbMAIN_YawManual信號(hào)，去手動(dòng)控制電機(jī)YawAutoControl偏航控制邏輯包含四大塊：自動(dòng)追風(fēng)功能、加油模式、解纜模式和手動(dòng)上圖stateflow表示YpLevel在不同值時(shí)，會(huì)進(jìn)行不形式的偏航控制。自動(dòng)追風(fēng)、加油模式、解纜模式和手動(dòng)模式會(huì)根據(jù)YpLevel的值而進(jìn)行模式跳轉(zhuǎn)。Yaw_AutoTracking自動(dòng)追風(fēng)控制中，包含了風(fēng)向追蹤、偏航時(shí)間計(jì)YawDead上圖所示為不同剎車等級(jí)時(shí)，偏航角度誤差設(shè)定值BPLevel51時(shí)，擴(kuò)大誤差范、Yaw通過計(jì)算得到理論tYawtimetHalfYawTime時(shí)間內(nèi)不進(jìn)行任何操作。在順時(shí)針偏航時(shí)tHalfYawTime時(shí)間tOneAndHalfYawtime時(shí)間內(nèi)，檢rVaneDirection的值，小1的時(shí)候，退出順時(shí)針偏航操作，當(dāng)偏航時(shí)間超tOneAndHalfYawtimerVaneDirection還未小1，則退出偏航操作；在逆時(shí)針偏航時(shí)，在tHalfYawTime時(shí)間到tOneAndHalfYawtime時(shí)間內(nèi)，檢測(cè)rVaneDirection的值，大于-1的時(shí)候，退出順時(shí)針偏航操作，當(dāng)偏tOneAndHalfYawtime，此時(shí)rVaneDirection還未大于-1，則退出偏航操作。YawTracking當(dāng)機(jī)艙與風(fēng)向夾1s平均值、30s平均值5min平均值都大于（0.5*誤差極限值），或者機(jī)艙與風(fēng)向夾1s平均值、30s平均值都大于誤差極限值時(shí)，觸發(fā)順時(shí)針偏航1s平均值、30s平均值5min平均值都小于（-0.5*誤差極限值），1s平均值、30s平均值都小于（-1*誤差極Yaw偏航使能條件GreaseGreaseMode后，當(dāng)前扭纜角度0，先逆時(shí)針偏45°，再順時(shí)針偏90°，然后退出GreaseMode；當(dāng)前扭纜角度小于0，則先順時(shí)針偏航45°，再逆時(shí)針偏航90°，結(jié)束后退出GreaseMode。偏航動(dòng)作時(shí)候可進(jìn)行自動(dòng)加油潤滑。YawManualModeManual信號(hào)分為三類：Remote信號(hào)、NacelleManual信號(hào)TowerManual信號(hào)。三種類型的信號(hào)都是去控CW（1）、CCW（-1）、Stop（0）。如果觸發(fā)gbLimitSwitchCableTwist信號(hào)，旁路同一方向的Manual信號(hào)，但是反方向動(dòng)偏航是允許的。將偏航命令用MauanlYawCMDLim表示，1表示順時(shí)針偏航，-1表示逆時(shí)針偏航，0表示停止偏航。如觸gbLimitSwitchCableTwistCCWBridge信號(hào)CCWManual信號(hào)，偏航將處于停YawUntwistMode當(dāng)進(jìn)入YawUntwistMode時(shí)，電機(jī)開始上圖為解纜停止條件，當(dāng)大況下，解纜180度后就可退出解纜狀態(tài)；小況時(shí)需解纜度才能退出YawMotorDriver偏航電機(jī)有三種狀態(tài)：top，W，CW。確認(rèn)偏航機(jī)構(gòu)停止動(dòng)作，如接收到順時(shí)針偏航指令，令入sop下Yaw當(dāng)風(fēng)機(jī)不處于并網(wǎng)狀態(tài)和偏航動(dòng)作時(shí)，打開