电动机和配电系统的控制及监测指导原则.doc

此文档收集于网络 如有侵权 请联系网站删除 精品文档 Contract Title 合同标题 公司公司 Team 项目项目 Document Title 文件标题 CONTROL AND MONITORING PHILOSOPHY FOR MOTORS AND ELECTRICAL DISTRIBUTION SYSTEM 电动机和配电系统的控制及监测指导原则电动机和配电系统的控制及监测指导原则 DOCUMENT NUMBER A01Updated including SEI Review A00Approved P00For Comment Issue Rev Issue or Revision DescriptionOrigin byDateCheck by DateApprove by DateApprove by Date This Document is Owned by IPMT Authority HARD COPIES ARE UNCONTROLLED 此文档收集于网络 如有侵权 请联系网站删除 精品文档 Table of Contents 1 0Introduction 介绍 3 1 1General 总则 3 2 0Electrical Distribution System 配电系统 3 2 1Monitoring 监测 3 2 2Switchgear Control 开关设备控制 4 2 3Communications Requirements 通讯要求 5 2 4Information Requirements 信息要求 6 2 4 1Transformer Incomer HV MV LV 变压器进线 高压 中压 低压 6 2 4 2Transformer Feeder HV MV LV 变压器馈线 高压 中压 低压 6 2 5Other Signals 其他信号 7 3 0Motor Control 电动机控制 7 3 1Control and Monitoring 控制和监测 7 3 2Communications Requirements 通讯要求 7 3 3Information Requirements 信息要求 8 3 3 1LV Motors 低压电动机 8 3 3 2MV HV Motors 中压 高压电动机 9 3 3 3Variable Speed Drives 变速驱动装置 10 3 3 4Two Speed Motors 双速电动机 10 3 3 5Spare Signals 备用信号 10 3 4Interlocks 联锁 11 3 5Field Facilities 现场设备 11 4 0Split of Scope 范围划分 11 5 0Tag Numbers 标号 12 APPENDIX 1 Typical Electrical Control Arrangement 附录 1 典型的电气控制图 APPENDIX 2 Electrical SCADA Block Diagram 附录 2 电气 SCADA 系统总体结构图 此文档收集于网络 如有侵权 请联系网站删除 精品文档 1 0INTRODUCTION 介绍介绍 The Shanghai Secco Petrochemical Company Ltd Shanghai Ethylene Cracker Complex project at Caojing Shanghai Peoples Republic of China will have many process plants designed operated and maintained by different Licensors Contractors and personnel 在 中国上海漕泾的上海 石化公司乙烯裂化装置综合工厂项目将将在各许可方 承包 商和 人员共同设计 运营和维护下组建多个加工工厂工艺装置区被不同的许可者 承 包者和 人员设计 操作和维护 To ensure uniformity of approach across a common Motor Control and Electrical Distribution Monitoring Philosophy has been developed 为确保 项目执行的统一性 制定完成了一份一个通用的电动机控制和配电监测指导原 则被提出 1 1General 总则总则 The purpose of this philosophy is to provide a high level overview of how control and monitoring of motors and the Electrical Distribution system will be implemented in the site 该原则旨在的目的是提供一个对电动机的控制和监察监测 以及对配电系统在 现场的 实施运行情况作一的高层次的概观览 Much of the detail of how the functionality will be implemented is not included in this Revision It is envisaged that as the engineering design is developed and vendors are selected this document will be updated as further details become available 其中对于许多功能的具体怎样被执行的具体情况并未包含在本修订版中 本文件我们期 待着预计将当在工程设计被完成 及供货商被选定后加以更新 届时将有更多的详细资 料该修改得更详细 使其成为可适用的版本 It is intended that this document is fully aligned with the Instrument and Control Philosophy PH 00 TIJ CI 0006 and Electrical Philosophy and Basis of Design PH 00 TSC EE 0001 本文件完全与 仪表和控制原则 PH 00 TIJ CI 0006 和 电气原则和设计基础 PH 00 TSC EE 0001 相关 Refer to Appendix 1 for high level block diagram of proposed system 请参见附录 1 有关建议系统的高级层次结构图 2 0ELECTRICAL DISTRIBUTION SYSTEM 配电系统配电系统 2 1Monitoring 监测监测 The Electrical Distribution System shall be capable of being monitored from the Central Control Room 配电系统应能够能从中央控制室控制中心实行加以监控 此文档收集于网络 如有侵权 请联系网站删除 精品文档 Each plant CCR operator shall be able to view via DCS graphics the status of the electrical distribution equipment in his respective area as well as an overall summary of the power supply status 对于每个各个装置厂区 其中央控制室的控制中心的操作员应者能能够通过 DCS 图形 检视观察到配电设备在各自区域中的工作情况以及 整个供电系统的状态总概概要 It shall also be possible for the OSBL CCR operator to view via DCS graphics the status of the entire electrical distribution system down to the 380V motor control centres This shall be achieved by either direct connection of the all the DCS systems at the process control network level or the transmission of data via the site wide Process Control LAN 此外 OSBL 中央控制室控制中心的操作员还应能够通过 DCS 图形检视整个 的配电 系统直至 380V 电动机控制中心的工作状况 且该操作应 这应通过在在过程工艺控制 网络层级上直接连接所有的 DCS 系统的加以实现 每一根连接来完成或通过现场级过 程工艺控制局域网的来交换数据传输加以实现 Data on the entire Electrical Distribution System shall also be directly accessible on the FACTORY LAN from any authorised PC via a firewall connection to the MCC LAN This will enable maintenance personnel to view and monitor the system from their office or workshop It will also be the means by which metering data is accessible to the accounting system 整个配电系统的数据应能够通过经防火墙连接至 MCC 局域网的任何经授权的 PC 在 工厂局域网上直接获取 这种连接方式使维护人员能够在办公室或车间对整个系统进行 检视和监控 同时 还使 计算系统能够获取计量数据 2 2Switchgear Control 开关设备控制开关设备控制 For the complex all switching of electrical circuit breakers will be performed from within the substation building in which the switchboard is located This shall be achieved by the provision of an Engineering Workstation in each substation which will be used to operate circuit breakers by communicating directly with the breakers protection relay and control device Such switching will be controlled by password access to the engineering workstation as well as the electrical switching procedure 对于 整个企业综合工厂 断路器的所有开关操作都将从开关柜所在的变电所内部执行 并将通过各个变电所中的工程工作站加以实现 该工作站将通过与断路器保护继电器和 控制装置直接通信的方式对断路器进行操作 工程工作站及电气开关操作程序必须通过 密码才能访问 以此对开关加以控制 The Engineering Workstations will remove the need for any hardwired control panels to operate the switchgear The switchgear will not be operable from immediately in front of the breaker except mechanical trip 工程工作站将无需采用任何硬连接控制盘来操作开关设备装置 开关设备将不可直接从 断路器前面操作 机械跳闸除外 It is enviaged that two Engineering Workstations will be installed in each substation The Workstations will have identical functionality however onw will be used primarily for engineering and monitoring while the other will be dedicated to switching operations In the event of failure of either Workstation the other can be used as a back up 此文档收集于网络 如有侵权 请联系网站删除 精品文档 每个变电所将有两个工程工作站 这两个工作站具有完全相同的功能 但是 ONW 将 主要用于工程设计和监测 而另一个工作站将专用于开关的操作 当两个工作站中任何 一个发生故障时 另一个将作为备用 All inter tripping signals shall be hard wired and shall be entirely independent of the communications system 所有的内部跳闸信号都应进行硬连线 并且完全独立于通讯系统 2 3Communications Requirements 通讯要求通讯要求 To facilitate the functionality described in the above section each circuit breaker shall be provided with a microprocessor based protection monitoring and control devices s 为了便于实现上述功能 各个断路器应配备基于微处理器的保护 监测和控制装置 All protection relays and control devices within a switchboard or substation shall be connected to a data concentrator Communications between the individual devices and the data concentrator should preferably be a non proprietary protocol such as Profibus or RS484 however proprietary protocols will be considered Each device shall be on a multi drop loop both ends of which shall be connected to the data concentrator Analogue data shall be transmitted in Floating Point format 在开关柜或变电所内的所有保护继电器和控制装置应连接至数据集中器 单独的装置和 数据集中器 之间的通讯应采用 非专属性协议 为佳 如 Profibus 或 RS484 但 是 专属协议也将考虑在内 各装置应设置在多接点回路上 且回路两端应与数据集中 器进行硬连接 模拟数据应以浮点格式进行传送 The data concentrator shall act as the server for the Engineering Workstation described above allowing direct access to all data and parameters within the protection monitoring and control devices 数据集中器将用作上述工程工作站的服务器 以便对保护 监测和控制装置内的所有数 据和参数进行访问 The data concentrator shall also be connected to the relevant plant DCS using a dual redundant non proprietary communications protocol Depending on vendor limitations and or the quantity of data to be transmitted it may be necessary to provide more than one pair if redundant comms links All information required on the plant DCS shall be transmitted via these links The data concentrator shall be powered from the redundant instrument UPS to ensure continued monitoring and control upon power failure 数据集中器应采用具双重冗余功能的非专属通讯协议与相关厂区的 DCS 系统连接 根 据供货商的局限性和 或要传送数据的数量 如果要实现冗余通讯链路 则可能需要连 接一条以上的线对 所有 DCS 工厂系统所需的信息均通过这些链路进行传送 数据集 中器应由冗余 UPS 系统供电 以确保电源故障时的监测和控制功能 In certain circumstances it may be possible to connect protection and control devices direct to the DCS using an open non proprietary protocol without the need for a data concentrator This method will be investigated further upon selection of switchgear vendors 在一定条件下 可以使用开放性非专属协议将保护和控制装置直接连接至 DCS 系统 这 样将无需使用数据集中器 这种方法将在选择开关柜供货商时作进一步的调查研究 此文档收集于网络 如有侵权 请联系网站删除 精品文档 It is expected that the 35 kV level distribution switchgear may be a different vendor to the lower 10 kV and below voltages The communication protocol and engineering workstation may also be unique to that voltage 对 35KV 电压等级配电开关柜 可能考虑采用与 10KV 及以下 电压等级开关柜 不同的供货商 其通讯协议和工作站可能也为该电压等级所独用 The power meters used by the Power supply company shall be interfaced through the data concentrator to supply comprehensive data to the DCS This shall include current MW valves as well as the kWh accumulating value 供电局使用的电源测量仪表应与数据集中器连接 以向 DCS 系统提供全面的数据 其 中应包括功率 MW 值以及电能 KWh 累计值 2 4Information Requirements 信息要求信息要求 The typical information which shall be communicated to from the DCS for the electrical distribution system is described in the following sections 电气配电系统装置与 DCS 系统通讯的典型信息如以下所示 2 4 1Transformer Incomer HV MV LV 变压器进线变压器进线 高压高压 中压中压 低压低压 Breaker StatusDCS DI 断路器状态 DCS 数据输入 Breaker Common Fault e g Aux supply failure Trip Circuit Supervision DCS DI 断路器通常故障 例如辅助电源故障 跳闸回路监视 DCS 数据输入 Transformer Common Fault e g Oil level Temperature Winding Temperature Bucholz High Pressure DCS DI 变压器通常故障 例如油位 温度 绕组温度 Bucholz 高压 DCS 数据输入 2 4 2Transformer Feeder HV MV LV 变压器馈线变压器馈线 高压高压 中压中压 低压低压 Breaker StatusDCS DI 断路器状态 DCS 数据输入 Breaker Common Fault DCS DI 断路器通常故障 DCS 数据输入 Transformer Common FaultDCS DI 变压器通常故障 DCS 数据输入 Transformer PowerDCS AI 变压器的电源 DCS 模拟输入 2 5Other Signals 其他信号其他信号 Other signals associated with the above equipment other switchgear e g bus section or other auxiliary equipment within the substation will arise during design 此文档收集于网络 如有侵权 请联系网站删除 精品文档 development To ensure this information is available at the appropriate location e g on the DCS or the Engineering Workstation the auxiliary inputs that are provided often as standard within the microprocessor based protection monitoring and control devices should be utilised 在设计过程中 会出现与以上设备及变电所内其他开关装置 如母线部分 或其他辅助 设备相关的信号 为了确保能在适当的位置 如在 DCS 或工程工作站 获得这些信息 应采用基于微处理器的保护 监测和控制装置内所提供的辅助输入功能 3 0MOTOR CONTROL 电动机控制电动机控制 3 1Control and Monitoring 控制和监测控制和监测 All motors shall be controlled and monitored by the plant CCR operator The operator shall be able to access each motor via the process graphics on the respective plant DCS 所有电动机应由工厂的中央控制室操作员进行控制和监测 操作员应能够通过各自 DCS 工厂系统的过程图形访问各个电动机 For HV MV LV motors their control protection and monitoring devices shall be incorporated into the same communications infrastructure as described above for the monitoring and control of the Electrical Distribution System at a plant level 10 kV distribution and below As mentioned above it is considered that the 35 kV level may be a different vendor and protocol The switchgear manufacture at 10 kV and below may by different vendors but there shall be only a single vendor per voltage level 对于高压 中压 低压电动机 其控制 保护和监测装置应整合到同上的通讯基础结构中 以能从工厂级对配电系统进行监测和控制 10KV 及以下配电系统 正如前文所述 35KV 电压等级的开关设备可能考虑采用不同的供货商和通讯协议 10KV 及以下电压 等级的开关柜供货商可能会与之不同 但对每个电压等级只能采用一个供货商 For three phase LV motors each motor shall be provided with a dedicated microprocessor based control protection and monitoring device intelligent motor controller within each individual starter cubicle 对三相低压电动机 每台电动机都应在各自的启动器室内配备专用的基于微处理器的控 制 保护和监测装置 智能电动机控制器 For single phase LV motors a device similar to the three phase motors should be provided or if this is not possible the various control and monitoring signals shall be hardwired to the DCS or data concentrator 对于单相低压电动机 应提供与三相电动机相似的装置 如果无法实现 应通过硬 接线方式将各种控制和监测信号连接至 DCS 系统或数据集中器 3 2Communications Requirements 通讯要求通讯要求 To facilitate the functionality described in above communications facilities very similar to that described in 2 3 shall be provided 为便于实现上述功能 应提供与 2 3 条所述类似的通讯设备 All intelligent motor controllers within a Motor Control Centre or substation shall be connected to a data concentrator Communications between the individual devices and the data concentrator should preferably be a non proprietary open protocol such as Profibus however proprietary protocols will be considered Each 此文档收集于网络 如有侵权 请联系网站删除 精品文档 device shall be on a multi drop loop both ends of which shall be connected to the data concentrator Analogue data shall be transmitted in Floating Point format 所有在电动机控制中心或变电所内的智能电动机控制器均应与数据集中器连接 单独的 装置和数据集中器之间的通讯应采用开放性非专属协议为佳 如 Profibus 但是 专 属协议也将考虑在内 各个装置应设置在多接点回路中 且回路两端应与数据集中器进 行硬连接 模拟数据将以浮点格式进行传送 An Engineering Workstation shall be provided in each substation to provide direct access to all data and parameters within the intelligent motor controllers 每个变电所都应提供一个工程工作站 以能对智能电动机控制器内的所有数据和参数进 行直接访问 The data concentrator shall also be connected to the relevant plant DCS using a dual redundant non proprietary communications protocol All information required on the plant DCS shall be transmitted via this link The data concentrator shall be powered from the redundant instrument UPS to ensure continued monitoring and control upon power failure 数据集中器应通过具有双重冗余功能的非专属协议与相关的 DCS 工厂系统连接 所有 DCS 工厂系统所需的信息都应通过该链路进行传送 数据集中器应由冗余 UPS 系统供 电 以确保电源故障时的监测和控制功能 In certain circumstances it may be possible to connect protection and control devices direct to the DCS using an open non proprietary protocol without the need for a data concentrator This method will be investigated further upon selection of switchgear vendors 在一定情况下 可使用开放性非专属协议将保护和控制装置直接连接至 DCS 系统 这样 即无需采用数据集中器 这种方法将在选择开关柜供货商时作进一步调查研究 3 3Information Requirements 信息要求信息要求 3 3 1LV Motors 低压电动机低压电动机 The information that shall be communicated to from the DCS for control and monitoring of each LV motor is described below 各个低压电动机控制和监测装置与 DCS 系统通讯的信息如以下所式 Motor Status Running Stopped DCS DI 电动机状态 运行 停止 DCS 数据输入 Motor Fault AlarmDCS DI 电动机故障报警 DCS 数据输入 Motor Fault TripDCS DI 电动机故障跳闸 DCS 数据输入 Start Stop orderDCS DO 启动 停止命令 DCS 直接操作 Start inhibitDCS DO 此文档收集于网络 如有侵权 请联系网站删除 精品文档 启动禁止 DCS 直接操作 Full Load Current FLC DCS AI 满负荷电流百分比 DCS 模拟输入 Motor Fault indicates that a fault has been detected by the intelligent motor controller which has not tripped the motor but which should be investigated 电动机故障指在电动机未跳闸时智能电动机控制器已发现故障 但该故障还应进行调查 Motor Trip indicates that the motor has been tripped by the intelligent motor controller 电动机跳闸指智能电动机控制装置已使电动机跳闸 In addition to the above each motor starter will provide a number of signals which shall indicate the status of the motor starter The following signals are a typical list These should be confirmed with the switchgear vendor during detailed engineering Depending on vendor and communication load it may be necessary or desirable to combine these to a single available non available signal 除上所述 各个电动机启动器还有许多指示其状态的信号 以下所列为其典型信号 在 详细设计时 这些信号应与开关柜供货商提供的信号相符 根据供货商和通讯负荷的情 况 需要或建议将这些信号合成一个单一的有效信号 无效信号 Comms Not OKDCS DI 通讯故障 DCS 数据输入 Starter in Test PositionDCS DI 在试验位置启动 DCS 数据输入 ESD Stop LatchedDCS DI ESD 停止闭锁 DCS 数据输入 Field Stop LatchedDCS DI 现场停止闭锁 DCS 数据输入 3 3 2MV HV Motors 中压中压 高压电动机高压电动机 In addition to the data detailed in 3 3 1 MV and HV motors shall communicate the following additional data to the DCS 除了第 3 3 1 条的详细数据外 中压和高压电动机与 DCS 系统通讯的其它数据如下所 示 Power kW DCS AI 功率 KW DCS 模拟输入 Motor Temperature Hottest phase Deg C DCS AI 电动机温度 最热相 摄氏度数 DCS 模拟输入 3 3 3Variable Speed Drives 变速驱动装置变速驱动装置 In addition to the data detailed in 3 3 1 Variable Speed Drives shall communicate the following additional data to from the DCS 除第 3 3 1 条的详细数据外 变速驱动装置与 DCS 通讯的其它数据如以下所示 此文档收集于网络 如有侵权 请联系网站删除 精品文档 Motor Temperature AlarmDCS DI 电动机温度报警 DCS 数据输入 Speed Setpoint 0 100 DCS AO 速度设置点 0 100 DCS 模拟输入 Speed measurement 0 100 DCS AI 速度测量 0 100 DCS 模拟输入 If very precise and fast control of the speed is required for process control reasons then consideration may be given to hardwiring the speed setpoint from the DCS direct to the variable speed drive 如果因过程控制原因 需要更为精确和快速的调速 则可以考虑将 DCS 的速度设置点 直接硬连接至变速驱动装置 3 3 4Two Speed Motors 双速电动机双速电动机 In addition to the data detailed in 3 3 1 two speed motors shall communicate the following additional data to from the DCS 除第 3 3 1 条的详细数据外 双速电动机与 DCS 通讯的其它数据如下所示 Motor Status Running Stopped at second speed DCS DI 电动机状态 在第二速度时运行 停止 DCS 数据输入 Start Stop order at second speedDCS DO 在第二速度时的启动 停止命令 DCS 直接操作 3 3 5Spare Signals 备用信号备用信号 Each motor shall have the following spare signals configured and allocated in the data communications list These signals should be configured contiguously with the other signals associated with that device 每台电动机都应配置通讯数据一览表上所列的下列备用信号 这些信号的配置应与该装 置相关的其它信号相连贯 Spare DIDCS DI 备用数据输入 DCS 数据输入 Spare DO two off DCS DO 备用直接操作 两个常开 DCS 直接操作 Spare AIDCS AI 备用模拟输入 DCS 模拟输入 3 4Interlocks 联锁联锁 Where a DCS interlock calls for a start stop or start inhibit of a motor then this shall be done via the communications link described above Any interlock related stop signal from the DCS shall remain latched as long as the interlock is invoked The start inhibit shall be used for this function 此文档收集于网络 如有侵权 请联系网站删除 精品文档 当 DCS 联锁要求电动机启动 停止或启动禁止时 该请求将通过上述的通讯链路执行 只要联锁被激活 从 DCS 发出的任何有关联锁的停止信号都将被锁闭 启动禁止将被 用于该功能 Where a Safety Instrument System SIS interlock calls for a start stop or start inhibit of a motor then this shall be hardwired 若安全仪表系统联锁要求电动机启动 停止或启动禁止 则将通过硬连接加以实现 3 5Field Facilities 现场设备现场设备 Standard field control facilities for motors shall consist of a combined stop start control station There shall be no local remote selector 标准电动机现场控制设备应包括停止 启动组合控制装置 本地 远端选择开关将不包括 在内 There shall also be a stop pushbutton in the starter cubicle in the MCC A start pushbutton shall also be provided but will only be operable when the starter cubicle is in test position Both these pushbuttons may be integral with the intelligent motor controller MCC 启动器室中还应配备停止按钮 同样 也应提供启动按钮 但该按钮仅当启动器 室处于试验位置时才可操作 这两个按钮可能会与智能电动机控制器合而为一 Specific drives shall have alternative field control facilities e g no field start where drive is only started by a sequence forward reverse facilities on rotary valves etc 个别的驱动装置应具有备用的现场控制设备 如 非现场启动 其中驱动装置仅由旋转 阀上的一个前 反向序列设备控制 等 4 0SPLIT OF SCOPE 范围划分范围划分 The 220 35kV transformers and 35kV switchboards are within OSBL All data associated with this equipment shall be transmitted to the OSBL DCS and all control and monitoring will be by the OSBL CCR operator 220 35KV 变压器和 35KV 开关柜设置于 OSBL 内 所有与该设备有关的数据应传送至 OSBL 的 DCS