产品内容介绍
SCHENCK AREV700模块
干扰记录器DRPRDRE
扰动记录仪功能提供有关电力系统扰动的快速、完整和可靠信息。它有助于理解扰动期间和之后的系统行为以及相关的一次和二次设备。记录的信息用于短期(例如纠正措施)和长期(例如功能分析)的不同目的。干扰记录器从连接到干扰报告功能的选定模拟和二进制信号(最多40个模拟和96个二进制信号)中获取采样数据。可用的二进制信号与事件记录器功能相同。该功能具有很大的灵活性,不依赖于保护功能的操作。它可以记录保护功能未检测到的干扰。触发瞬间前最多十秒钟的数据可保存在干扰文件中。最多100个干扰的干扰记录器信息保存在IED中,本地HMI用于查看记录列表。事件功能当使用带有LON或SPA通信的变电站自动化系统时,时间标记事件可以在变化时发送,也可以从IED循环发送到站点级别。这些事件是根据IED中连接到事件功能(Event)的任何可用信号创建的。事件功能块用于LON和SPA通信。模拟和双指示值也通过EVENT功能传输。IEC61850通用通信I/O功能SPGGIO IEC61850General communication I/O功能(SPGGIO)用于向变电站中的其他系统或设备发送单个逻辑信号。IEC61850通用通信I/O功能MVGGIO IEC61850General communication I/O functions(MVGGIO)功能用于将模拟信号的瞬时值发送到变电站的其他系统或设备。它也可以在同一IED内使用,将RANGE(量程)方面附加到模拟值,并允许对该值进行测量监督。测量值扩展器块RANGE_XP电流和电压测量功能(CVMMXN、CMMXU、VMMXU和VNMMXU)、电流和电压顺序测量功能(CMSQI和VMSQI)以及IEC 61850通用通信I/O功能(MVGGIO)均具有测量监督功能。所有测量值都可以通过四个可设置的限值进行监控:下限、下限、上限和上限。引入测量值扩展器块(RANGE_XP),将测量函数的整数输出信号转换为5个二进制信号:低于下限、低于下限、正常、高于上限或高于上限。输出信号可用作可配置逻辑中的条件或用于报警目的。
脉冲计数器逻辑PCGGIO
脉冲计数器(PCGGIO)功能统计外部生成的二进制脉冲,例如来自外部电能表的脉冲,以计算能耗值。脉冲由二进制输入模块捕获,然后由功能读取。可通过站点总线获得缩放服务值。必须订购具有增强脉冲计数功能的特殊二进制输入模块才能实现此功能。能量计算和需求处理功能ETPMMTR测量输出(CVMMXN)功能可用于计算能耗。有功值和无功值按输入和输出方向计算。值可以作为脉冲读取或生成。最大需求功率值也由函数计算。14.基本IED功能时间同步时间同步源选择器用于选择IED作为保护系统一部分时的通用绝对时间源。这使得可以比较电站自动化系统中所有IED之间的事件和干扰数据。15.人机界面人机界面本地人机界面有小型和中型两种型号。这两种型号的区别在于LCD的尺寸。小尺寸LCD可以显示七行文本,中等尺寸LCD可以在每页上显示最多15个对象的单线图。根据产品功能,最多可以定义12个单线图页面。本地HMI分为具有不同功能的区域。•状态指示LED。•报警指示LED,由15个LED(6个红色和9个黄色)组成,带有用户可打印标签。所有LED均可从PCM600配置。•液晶显示器(LCD)。•带有用于控制和导航的按钮的小键盘,用于在本地和远程控制之间进行选择和重置。•隔离的RJ45通信端口。
Disturbance recorder DRPRDRE
The Disturbance recorder function supplies fast, complete and reliable information about disturbances in the power system. It facilitates understanding system behavior and related primary and secondary equipment during and after a disturbance. Recorded information is used for different purposes in the short perspective (for example corrective actions) and long perspective (for example functional analysis). The Disturbance recorder acquires sampled data from selected analog- and binary signals connected to the Disturbance report function (maximum 40 analog and 96 binary signals). The binary signals available are the same as for the event recorder function. The function is characterized by great flexibility and is not dependent on the operation of protection functions. It can record disturbances not detected by protection functions. Up to ten seconds of data before the trigger instant can be saved in the disturbance file. The disturbance recorder information for up to 100 disturbances are saved in the IED and the local HMI is used to view the list of recordings. Event function When using a Substation Automation system with LON or SPA communication, time-tagged events can be sent at change or cyclically from the IED to the station level. These events are created from any available signal in the IED that is connected to the Event function (EVENT). The event function block is used for LON and SPA communication. Analog and double indication values are also transferred through EVENT function.IEC61850 generic communication I/O function SPGGIO IEC61850 generic communication I/O functions (SPGGIO) is used to send one single logical signal to other systems or equipment in the substation. IEC61850 generic communication I/O functions MVGGIO IEC61850 generic communication I/O functions (MVGGIO) function is used to send the instantaneous value of an analog signal to other systems or equipment in the substation. It can also be used inside the same IED, to attach a RANGE aspect to an analog value and to permit measurement supervision on that value. Measured value expander block RANGE_XP The current and voltage measurements functions (CVMMXN, CMMXU, VMMXU and VNMMXU), current and voltage sequence measurement functions (CMSQI and VMSQI) and IEC 61850 generic communication I/O functions (MVGGIO) are provided with measurement supervision functionality. All measured values can be supervised with four settable limits: low-low limit, low limit, high limit and high-high limit. The measure value expander block (RANGE_XP) has been introduced to enable translating the integer output signal from the measuring functions to 5 binary signals: below low-low limit, below low limit, normal, above high-high limit or above high limit. The output signals can be used as conditions in the configurable logic or for alarming purpose.
Pulse counter logic PCGGIO
Pulse counter (PCGGIO) function counts externally generated binary pulses, for instance pulses coming from an external energy meter, for calculation of energy consumption values. The pulses are captured by the binary input module and then read by the function. A scaled service value is available over the station bus. The special Binary input module with enhanced pulse counting capabilities must be ordered to achieve this functionality. Function for energy calculation and demand handling ETPMMTR Outputs from the Measurements (CVMMXN) function can be used to calculate energy consumption. Active as well as reactive values are calculated in import and export direction. Values can be read or generated as pulses. Maximum demand power values are also calculated by the function. 14. Basic IED functions Time synchronization The time synchronization source selector is used to select a common source of absolute time for the IED when it is a part of a protection system. This makes it possible to compare event and disturbance data between all IEDs in a station automation system. 15. Human machine interface Human machine interface The local human machine interface is available in a small and a medium sized model. The difference between the two models is the size of the LCD. The small size LCD can display seven lines of text and the medium size LCD can display the single line diagram with up to 15 objects on each page. Up to 12 single line diagram pages can be defined, depending on the product capability. The local HMI is divided into zones with different functionality. • Status indication LEDs. • Alarm indication LEDs, which consist of 15 LEDs (6 red and 9 yellow) with user printable label. All LEDs are configurable from PCM600. • Liquid crystal display (LCD). • Keypad with push buttons for control and navigation purposes, switch for selection between local and remote control and reset. • Isolated RJ45 communication port.
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