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偏航加熱器強制模式N偏航加熱器手動模式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將風機的偏航SC分為3CommonSC，三種機型共有的SCTypeMatch1YawSystemType1際值小于理論值SC。 SC_StartRewindingLoopCables，自動解纜SC。當偏航撞一級限位，會觸發(fā)該SC。只有當解纜結束或者觸發(fā)更高等級的YpLevel，復位該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中包含了手動偏航和自動偏航；Yaw_Heater為偏航電機加熱器；Yaw_AutoGrease為偏航自潤滑系統(tǒng)。YawYawLimitYawManual由多路信號組成gbMAIN_YawManual信號，去手動控制電機YawAutoControl偏航控制邏輯包含四大塊：自動追風功能、加油模式、解纜模式和手動上圖stateflow表示YpLevel在不同值時，會進行不形式的偏航控制。自動追風、加油模式、解纜模式和手動模式會根據YpLevel的值而進行模式跳轉。Yaw_AutoTracking自動追風控制中，包含了風向追蹤、偏航時間計YawDead上圖所示為不同剎車等級時，偏航角度誤差設定值BPLevel51時，擴大誤差范、Yaw通過計算得到理論tYawtimetHalfYawTime時間內不進行任何操作。在順時針偏航時tHalfYawTime時間tOneAndHalfYawtime時間內，檢rVaneDirection的值，小1的時候，退出順時針偏航操作，當偏航時間超tOneAndHalfYawtimerVaneDirection還未小1，則退出偏航操作；在逆時針偏航時，在tHalfYawTime時間到tOneAndHalfYawtime時間內，檢測rVaneDirection的值，大于-1的時候，退出順時針偏航操作，當偏tOneAndHalfYawtime，此時rVaneDirection還未大于-1，則退出偏航操作。YawTracking當機艙與風向夾1s平均值、30s平均值5min平均值都大于（0.5*誤差極限值），或者機艙與風向夾1s平均值、30s平均值都大于誤差極限值時，觸發(fā)順時針偏航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，當前扭纜角度0，先逆時針偏45°，再順時針偏90°，然后退出GreaseMode；當前扭纜角度小于0，則先順時針偏航45°，再逆時針偏航90°，結束后退出GreaseMode。偏航動作時候可進行自動加油潤滑。YawManualModeManual信號分為三類：Remote信號、NacelleManual信號TowerManual信號。三種類型的信號都是去控CW（1）、CCW（-1）、Stop（0）。如果觸發(fā)gbLimitSwitchCableTwist信號，旁路同一方向的Manual信號，但是反方向動偏航是允許的。將偏航命令用MauanlYawCMDLim表示，1表示順時針偏航，-1表示逆時針偏航，0表示停止偏航。如觸gbLimitSwitchCableTwistCCWBridge信號CCWManual信號，偏航將處于停YawUntwistMode當進入YawUntwistMode時，電機開始上圖為解纜停止條件，當大況下，解纜180度后就可退出解纜狀態(tài)；小況時需解纜度才能退出YawMotorDriver偏航電機有三種狀態(tài)：top，W，CW。確認偏航機構停止動作，如接收到順時針偏航指令，令入sop下Yaw當風機不處于并網狀態(tài)和偏航動作時，打開