一、核心参数与硬件配置
产品定位
功能:中压网络馈线终端,集保护、控制、测量、状态监视及PLC功能于一体,适用于变电站自动化系统。
网络兼容性:支持中性点不接地网络、消弧线圈接地网络及部分接地网络。
输入/输出配置
开关量输入:25个通道,支持硬接线或通信扩展。
出口继电器:18个,支持远程控制开关设备(如分闸、合闸)。
通信接口
协议支持:Modbus、IEC 60870-5-103、IEC 61850、Profibus DPV1、DNP 3.0、SPA/LON总线。
扩展模块:通过SPA-ZC 400/302支持IEC 61850和Profibus DPV1协议。
环境适应性
工作温度:-25°C至+70°C(工业级设计)。
防护等级:IP30(防尘防触电),符合EMC标准。
二、功能特性
保护功能
电气保护:
过流保护(无向/定向)、接地故障保护、剩余电压保护。
过压/欠压保护、热过载保护、CBFP(电流闭锁电压保护)。
故障处理:支持自动重合闸功能,减少停电时间。
控制功能
远程操作:本地及远程控制开关设备状态(如分闸、合闸)。
联锁控制:支持海湾与车站级的设备状态联锁。
测量与监控
参数测量:实时监测电压、电流、功率因数等电气参数。
状态监督:通过传感器或传统测量变压器获取数据,支持异常状态报警。
数据存储:记录历史数据,支持远程查询与分析。
PLC集成
自动化控制:内置PLC功能,支持顺序逻辑控制(如变电站自动化任务)。
编程灵活性:通过LON总线协议降低硬接线需求,简化系统集成。
1.Core parameters and hardware configuration
Product Positioning
Function:Medium voltage network feeder terminal,integrating protection,control,measurement,status monitoring and PLC functions,suitable for substation automation systems.
Network compatibility:Supports neutral point ungrounded network,arc suppression coil grounding network and part grounding network.
Input/Output Configuration
Switch input:25 channels,support hardwired or communication expansion.
Exit relays:18,support remote control of switching equipment(such as opening and closing).
Communication interface
Protocol support:Modbus,IEC 60870-5-103,IEC 61850,Profibus DPV1,DNP 3.0,SPA/LON bus.
Extension module:Supports IEC 61850 and Profibus DPV1 protocols through SPA-ZC 400/302.
Environmental adaptability
Operating temperature:-25°C to+70°C(industrial design).
Protection level:IP30(dust,anti-electric shock),complies with EMC standards.
2.Functional characteristics
Protection function
Electrical protection:
Overcurrent protection(undirected/directed),ground fault protection,residual voltage protection.
Overvoltage/undervoltage protection,thermal overload protection,CBFP(current lockout voltage protection).
Troubleshooting:Supports automatic reclosing function to reduce power outage time.
Control function
Remote operation:Local and remote control of the status of switch equipment(such as opening and closing).
Interlocking control:Supports the status interlock of the bay and station-level equipment.
Measurement and monitoring
Parameter measurement:Real-time monitoring of electrical parameters such as voltage,current,power factor,etc.
Status Supervision:Acquire data through sensors or traditional measurement transformers,supporting abnormal status alarms.
Data storage:record historical data,supports remote query and analysis.
PLC Integration
Automation control:Built-in PLC function,supports sequential logic control(such as substation automation tasks).
Programming flexibility:Reduce hard wiring requirements through the LON bus protocol and simplify system integration.