<LNDescriptions>

<GROUP name = "Axxx" no = "4" EX = "自动控制">

<LNNode name = "ANCR" EX = "中性点电流调节">
<Description>
中性点电流调节
</Description>
</LNNode>

<LNNode name = "ARCO" EX = "无功控制">
<Description>
用于无功控制，与控制方法无关
</Description>
</LNNode>

<LNNode name = "ATCC" EX = "自动调分接开关控制">
<Description>
自动调分接开关控制
</Description>
</LNNode>

<LNNode name = "AVCO" EX = "电压控制">
<Description>
用于电压控制器，与控制方法无关
</Description>
</LNNode>

</GROUP>


<GROUP name = "Cxxx" no = "5" EX = "监控">

<LNNode name = "CALH" EX = "告警处理">
<Description>
单个告警在相应逻辑节点中产生，逻辑节点CALH允许创建成组预告和告警
</Description>
</LNNode>

<LNNode name = "CCGR" EX = "冷却组控制">
<Description>
用于控制冷却设备，每冷却组一个实例
</Description>
</LNNode>

<LNNode name = "CILO" EX = "联锁">
<Description>
如果联锁条件满足，此逻辑节点用于许可分合操作，每个分合装置需一个实例
</Description>
</LNNode>

<LNNode name = "CPOW" EX = "定点分合">
<Description>
用于断路器的定点分合
</Description>
</LNNode>

<LNNode name = "CSWI" EX = "开关控制器">
<Description>
用于控制过程层上的所有分合条件
</Description>
</LNNode>

</GROUP>


<GROUP name = "Gxxx" no = "3" EX = "通用功能引用">

<LNNode name = "GAPC" EX = "通用自动过程控制">
<Description>
以通用的方法，使用该逻辑节点为逻辑节点组A、C、M、P、R中未定义的过程/自动化功能建模
</Description>
</LNNode>

<LNNode name = "GGIO" EX = "通用过程I/O">
<Description>
以通用的方法，为逻辑节点组S、T、X、Y、Z中未定义的装置过程建模
</Description>
</LNNode>

<LNNode name = "GSAL" EX = "通用安全应用">
<Description>
用于对授权、访问控制、服务权限及未激活关联进行安全监视
</Description>
</LNNode>

</GROUP>



<GROUP name = "Ixxx" no = "4" EX = "接口和存档">

<LNNode name = "IARC" EX = "存档">
<Description>
用于长期的历史数据存档，正常位于变电站层
</Description>
</LNNode>

<LNNode name = "IHMI" EX = "人机接口">
<Description>
用于间隔层的配置、就地控制；变电站层的操作
</Description>
</LNNode>

<LNNode name = "ITCI" EX = "远方控制接口">
<Description>
用于远程控制
</Description>
</LNNode>

<LNNode name = "ITMI" EX = "远方监视接口">
<Description>
用于远程监视与维护
</Description>
</LNNode>

</GROUP>


<GROUP name = "Lxxx" no = "2" EX = "系统逻辑节点">

<LNNode name = "LLN0" EX = "逻辑节点零">
<Description>
用于逻辑装置的公用信息
</Description>
</LNNode>

<LNNode name = "LPHD" EX = "物理装置信息">
<Description>
用于物理装置的公用信息
</Description>
</LNNode>

</GROUP>

<GROUP name = "Mxxx" no = "8" EX = "计量和测量">

<LNNode name = "MDIF" EX = "差动测量">
<Description>
用于表示线路（或另外对象）另一侧的计算过程值数据，被差动保护所用
</Description>
</LNNode>

<LNNode name = "MHAI" EX = "谐波和间谐波">
<Description>
用于计算三相系统中谐波和间谐波
</Description>
</LNNode>

<LNNode name = "MHAN" EX = "相别无关谐波和间谐波">
<Description>
用于计算单相系统中谐波和间谐波。单相系统即单回线，无相别关系
</Description>
</LNNode>

<LNNode name = "MMTR" EX = "计量">
<Description>
用于计算三相系统中电能量，适用于计费
</Description>
</LNNode>

<LNNode name = "MMXN" EX = "相别无关值测量">
<Description>
用于单相系统中计算电流、电压、功率和阻抗，该逻辑节点主要供运行使用
</Description>
</LNNode>

<LNNode name = "MMXU" EX = "测量">
<Description>
用于计算三相系统中电流、电压、功率和阻抗，该逻辑节点主要供运行使用
</Description>
</LNNode>

<LNNode name = "MSQI" EX = "相序和不平衡">
<Description>
相序和不平衡
</Description>
</LNNode>

<LNNode name = "MSTA" EX = "计量统计">
<Description>
计量值并不总是直接使用，而是作为给定分析期间平均值、最小值、最大值使用
</Description>
</LNNode>

<LNNode name = "MMET" EX = "气象信息">
<Description>
存储气象信息
</Description>
</LNNode>

</GROUP>







<GROUP name = "Pxxx" no = "28" EX = "保护功能">

<LNNode name = "PDIF" EX = "差动">
<Description>
用于各种电流差动保护
</Description>
</LNNode>

<LNNode name = "PDIR" EX = "方向比较">
<Description>
用于对故障点周围故障传感器提供的故障方向确认
</Description>
</LNNode>

<LNNode name = "PDIS" EX = "距离保护">
<Description>
距离保护
</Description>
</LNNode>

<LNNode name = "PDOP" EX = "过功率方向">
<Description>
用于逻辑节点PDPR过功率部分
</Description>
</LNNode>

<LNNode name = "PDUP" EX = "欠功率方向">
<Description>
用于逻辑节点PDPR欠功率部分
</Description>
</LNNode>

<LNNode name = "PFRC" EX = "频率变化率">
<Description>
用于逻辑节点PFRQ频率变化率部分，每一级应使用一个实例
</Description>
</LNNode>

<LNNode name = "PHAR" EX = "谐波制动">
<Description>
用于专用节点中表示变压器差动保护的谐波制动数据。该逻辑节点可具有多个实例，分别带有不同定值，尤其是不同的数据HaRst
</Description>
</LNNode>

<LNNode name = "PHIZ" EX = "接地检测">
<Description>
仅适用于高阻抗绝缘故障
</Description>
</LNNode>

<LNNode name = "PIOC" EX = "瞬时过电流">
<Description>
仅适用于瞬时过电流保护
</Description>
</LNNode>

<LNNode name = "PMRI" EX = "禁止电动机重新启动">
<Description>
用于在专用逻辑节点中，从逻辑节点PMSU建模，构成防止电动机启动过热部分
</Description>
</LNNode>

<LNNode name = "PMSS" EX = "电动机启动时间监视">
<Description>
用于建模逻辑节点PMSU部分，在专用逻辑节点中，防止电动机启动期间发生启动超时或堵转
</Description>
</LNNode>

<LNNode name = "POPF" EX = "过功率部分">
<Description>
用于逻辑节点PPFR过功率部分
</Description>
</LNNode>

<LNNode name = "PPAM" EX = "相角测量">
<Description>
用于发电机失步保护功能建模
</Description>
</LNNode>

<LNNode name = "PSCH" EX = "保护配置">
<Description>
用于线路保护功能配合逻辑配置建模。对于线路保护配置，允许交换不同保护功能“动作出口”和条件。
</Description>
</LNNode>

<LNNode name = "PSDE" EX = "灵敏方向接地故障"> 
<Description>
用于具有接地补偿和中性点不接地电网中方向接地故障处理。对补偿网络，该功能通常称为功率方向接地故障保护
</Description>
</LNNode>

<LNNode name = "PTEF" EX = "瞬时接地故障">
<Description>
用于接地补偿网络中检测（启动）瞬时接地故障
</Description>
</LNNode>

<LNNode name = "PTOC" EX = "延时过电流">
<Description>
用于为延时方向过电流建模。定时限过电流应通过使用逻辑节点PTOC，选择相关曲线进行建模
</Description>
</LNNode>

<LNNode name = "PTOF" EX = "高周（频率）">
<Description>
用于建模逻辑节点PFRQ高周部分，每一级应使用一个实例
</Description>
</LNNode>

<LNNode name = "PTOV" EX = "过电压">
<Description>
过电压保护，对于某些应用，如变压器中性点星形/三角形电压监视，可不需要“动作”
</Description>
</LNNode>

<LNNode name = "PTRC" EX = "保护跳闸条件">
<Description>
用于连接一个或多个保护功能的跳闸输出，形成一个传递给逻辑节点XCBR的公用“跳闸”信号。或者说，各保护功能“动作”输出任何组合可组成一个PTRC新的“动作”输出
</Description>
</LNNode>

<LNNode name = "PTTR" EX = "过热">
<Description>
用于所有过热功能
</Description>
</LNNode>

<LNNode name = "PTUC" EX = "欠电流">
<Description>
用于逻辑节点PUCP的欠电流部分
</Description>
</LNNode>

<LNNode name = "PTUV" EX = "低电压">
<Description>
采用适当低值动作曲线，PTUV功能也用作零电压继电器
</Description>
</LNNode>

<LNNode name = "PUPF" EX = "低功率因数">
<Description>
用于逻辑节点PPFR欠功率因数部分
</Description>
</LNNode>

<LNNode name = "PTUF" EX = "低频">
<Description>
用于逻辑节点PFRQ低频部分建模，每一级应使用一个实例
</Description>
</LNNode>

<LNNode name = "PVOC" EX = "电压闭锁延时过电流">
<Description>
电压闭锁延时过电流
</Description>
</LNNode>

<LNNode name = "PVPH" EX = "电压频率">
<Description>
每级应使用逻辑节点PVPH的一个实例
</Description>
</LNNode>

<LNNode name = "PZSU" EX = "零速或欠速保护">
<Description>
零速或欠速保护
</Description>
</LNNode>

</GROUP>





<GROUP name = "Rxxx" no = "10" EX = "保护相关功能">

<LNNode name = "RDRE" EX = "抗扰动记录功能">
<Description>
抗扰动记录功能分为两个逻辑节点，一个是模拟量通道逻辑节点RADR，一个是状态量通道逻辑节点RBDR。这个功能输出采用COMTRADE格式
</Description>
</LNNode>

<LNNode name = "RADR" EX = "扰动记录模拟量通道">
<Description>
除通道编号外，COMTRADE文件所需的全部属性或由逻辑节点TVTR或TCTR的数据提供，或由测量值本身属性提供
</Description>
</LNNode>

<LNNode name = "RBDR" EX = "扰动记录状态量通道">
<Description>
除通道编号外，COMTRADE文件所需的全部属性由状态量输入属性提供（要求另外一个逻辑节点提供）
</Description>
</LNNode>

<LNNode name = "RDRS" EX = "扰动记录处理">
<Description>
用于处理某些当地功能采集的扰动记录。此逻辑节点正常位于站层
</Description>
</LNNode>

<LNNode name = "RBRF" EX = "断路器失灵">
<Description>
断路器失灵
</Description>
</LNNode>

<LNNode name = "RDIR" EX = "方向元件">
<Description>
用于在方向继电器定值专用逻辑节点中表示全部方向数据。保护功能本身由专用保护逻辑节点建模
</Description>
</LNNode>

<LNNode name = "RFLO" EX = "故障定位">
<Description>
故障情况下，故障距离以欧姆为单位进行计算，为将此转换为线路长度km，须知道线路参数
</Description>
</LNNode>

<LNNode name = "RPSB" EX = "电网振荡检测或闭锁">
<Description>
为便利起见，逻辑节点RPSB实例应与逻辑节点PDIS实例有相同编号
</Description>
</LNNode>

<LNNode name = "RREC" EX = "自动重合闸">
<Description>
逻辑节点RREC可由PTRC逻辑节点跳闸信号，或断路器分闸信号，或任何其它信号，或信号组合来激活触发
</Description>
</LNNode>

<LNNode name = "RSYN" EX = "同步检查或同步">
<Description>
计算处于分闸位置的断路器两侧相电压相量差，并同预定的开断条件（同步检查）相比较
</Description>
</LNNode>

</GROUP>


<GROUP name = "Sxxx" no = "4" EX = "传感器和监视">

<LNNode name = "SARC" EX = "电弧监视和诊断">
<Description>
电弧监视和诊断
</Description>
</LNNode>

<LNNode name = "SIMG" EX = "绝缘介质监视（气体）">
<Description>
绝缘介质使用气体，如气体绝缘隔离装置SF6气体
</Description>
</LNNode>

<LNNode name = "SIML" EX = "绝缘介质监视（液体）">
<Description>
绝缘介质为液体，如某些变压器和分接开关中使用的油
</Description>
</LNNode>

<LNNode name = "SPDC" EX = "局部放电监视和诊断">
<Description>
局部放电监视和诊断
</Description>
</LNNode>

</GROUP>

<GROUP name = "Txxx" no = "2" EX = "仪用互感器">

<LNNode name = "TCTR" EX = "电流互感器">
<Description>
电流以采样模拟值形式提供。模拟量以工程值传递
</Description>
</LNNode>

<LNNode name = "TVTR" EX = "电压互感器">
<Description>
电压以采样模拟值形式提供。模拟量以工程值传递
</Description>
</LNNode>


</GROUP>


<GROUP name = "Xxxx" no = "2" EX = "开关设备">

<LNNode name = "XCBR" EX = "断路器">
<Description>
用于具有切断短路电流能力的开关建模
</Description>
</LNNode>

<LNNode name = "XSWI" EX = "隔离开关">
<Description>
用于不具备隔离短路电流能力的开关建模，如隔离开关、空气开关、接地开关等
</Description>
</LNNode>

</GROUP>

<GROUP name = "Yxxx" no = "4" EX = "电力变压器和相关功能">

<LNNode name = "YEFN" EX = "接地故障中性节点补偿（消弧线圈）">
<Description>
接地故障中性节点补偿（消弧线圈）
</Description>
</LNNode>

<LNNode name = "YLTC" EX = "分接开关">
<Description>
分接开关
</Description>
</LNNode>

<LNNode name = "YPSH" EX = "功率分流">
<Description>
功率分流
</Description>
</LNNode>

<LNNode name = "YPTR" EX = "电力变压器">
<Description>
电力变压器
</Description>
</LNNode>

</GROUP>


<GROUP name = "Zxxx" no = "15" EX = "其它（电力系统）设备">

<LNNode name = "ZAXN" EX = "辅助电源">
<Description>
辅助电源
</Description>
</LNNode>

<LNNode name = "ZBAT" EX = "电池">
<Description>
电池
</Description>
</LNNode>

<LNNode name = "ZBSH" EX = "套管">
<Description>
套管
</Description>
</LNNode>

<LNNode name = "ZCAB" EX = "电力电缆">
<Description>
电力电缆
</Description>
</LNNode>

<LNNode name = "ZCAP" EX = "电容器组">
<Description>
电容器组
</Description>
</LNNode>

<LNNode name = "ZCON" EX = "转换器">
<Description>
转换器
</Description>
</LNNode>

<LNNode name = "ZGEN" EX = "发电机">
<Description>
发电机
</Description>
</LNNode>

<LNNode name = "ZGIL" EX = "气体绝缘线路">
<Description>
气体绝缘线路
</Description>
</LNNode>

<LNNode name = "ZLIN" EX = "电力架空线">
<Description>
电力架空线
</Description>
</LNNode>

<LNNode name = "ZMOT" EX = "电动机">
<Description>
电动机
</Description>
</LNNode>

<LNNode name = "ZREA" EX = "电抗器">
<Description>
电抗器
</Description>
</LNNode>

<LNNode name = "ZRRC" EX = "旋转无功元件">
<Description>
旋转无功元件
</Description>
</LNNode>

<LNNode name = "ZSAR" EX = "浪涌抑制器">
<Description>
浪涌抑制器
</Description>
</LNNode>

<LNNode name = "ZTCF" EX = "晶闸管控制频率转换器">
<Description>
Frequency conversion including AC/DC conversion.
</Description>
</LNNode>

<LNNode name = "ZTCR" EX = "晶闸管控制无功元件">
<Description>
Controls reactive power flow.
</Description>
</LNNode>
</GROUP>


</LNDescriptions>