描述
产品简要说明
ALSTOM MICOM P743是阿尔斯通（ALSTOM）推出的智能型电力保护与控制装置，核心特性包括：
功能定位：专为中高压配电系统设计，集成继电保护、电能质量监测与自动化控制功能
工业兼容性：支持IEC 61850标准及Modbus、Profibus等通信协议
环境适应性：工业级防护等级IP65，工作温度范围-25°C～+70°C
扩展能力：支持DIN导轨安装，兼容ALSTOM电网自动化系统生态
产品详细说明
1.硬件架构与核心功能
模块类型
PCB设计：多层抗干扰电路，支持三相电能精准测量（精度±0.5%）
功能分区：
保护单元：集成过流、过压、短路、接地故障保护算法
通信接口：双以太网端口（支持IEC 61850 MMS）、RS485（Modbus RTU）
电源管理：冗余24V DC输入，支持宽电压范围（18-36V DC）
安全机制
故障诊断：实时监测电网谐波、电压暂降等电能质量问题
冗余设计：双CPU主备切换，单点故障自动隔离
产品概述:ALSTOM MICOM P743
作为电力系统智能化升级的核心设备，其核心价值体现在高精度保护与自动化控制能力：
技术价值：
在变电站中实现故障毫秒级响应（<5ms）
在新能源并网中支持光伏/风电的平滑接入
行业适配：
能源电力：变电站馈线保护、分布式能源系统监控
智能制造：工厂微电网稳定性保障
轨道交通：牵引供电系统过载保护
技术规格:ALSTOM MICOM P743
参数项规格描述
电压等级1kV～36kV
通信协议IEC 61850 MMS、Modbus TCP、Profibus DP
防护等级IP65（防尘防水）
测量精度电流/电压：±0.5%，功率因数：±0.2°
故障响应时间<5ms（过流保护）
核心价值与性能亮点
1.智能电能管理
技术优势：
实时监测谐波畸变率（THD）及电压暂降事件
支持电能质量报告生成与远程分析
应用案例：某数据中心实现PUE（能源使用效率）降低12%
2.多协议兼容性
技术优势：
原生支持IEC 61850标准，兼容SCADA系统
支持Modbus协议与第三方设备（如施耐德PLC）无缝对接
价值体现：某风电场实现全场设备集中监控
Product brief description
ALSTOM MICOM P743 is an intelligent power protection and control device launched by ALSTOM.The core features include:
Functional positioning:specially designed for medium and high voltage distribution systems,integrating relay protection,power quality monitoring and automation control functions
Industrial compatibility:Support IEC 61850 standard and communication protocols such as Modbus and Profibus
Environmental adaptability:industrial-grade protection grade IP65,working temperature range-25°C~+70°C
Extended capability:Support DIN rail installation,compatible with ALSTOM grid automation system ecosystem
Product details
1.Hardware architecture and core functions
Module Type
PCB design:multi-layer anti-interference circuit,supporting accurate measurement of three-phase electrical energy(accuracy±0.5%)
Functional partition:
Protection unit:Integrated overcurrent,overvoltage,short circuit,ground fault protection algorithm
Communication interface:Dual Ethernet port(supports IEC 61850 MMS),RS485(Modbus RTU)
Power management:Redundant 24V DC input,support wide voltage range(18-36V DC)
Security mechanism
Fault diagnosis:Real-time monitoring of power quality problems such as grid harmonics,voltage drops,etc.
Redundant design:dual CPU main and standby switching,single point of failure automatic isolation
Product Overview:ALSTOM MICOM P743
As the core equipment for intelligent upgrade of power systems,its core value is reflected in high-precision protection and automation control capabilities:
Technical value:
Implementing fault millisecond level response in substations(<5ms)
Supports smooth access to photovoltaic/wind power in new energy grid connection
Industry adaptation:
Energy and electricity:substation feeder protection,distributed energy system monitoring
Intelligent manufacturing:Stability guarantee for factory microgrid
Rail Transit:Overload protection for traction power supply system
Technical Specifications:ALSTOM MICOM P743
Parameters Specification Description
Voltage level 1kV~36kV
Communication Protocol IEC 61850 MMS,Modbus TCP,Profibus DP
Protection level IP65(dust-proof and waterproof)
Measuring accuracy Current/voltage:±0.5%,power factor:±0.2°
Fault response time<5ms(overcurrent protection)
Core Valuesand Performance Highlights
1.Intelligent power management
Technical Advantages:
Real-time monitoring of harmonic distortion rate(THD)and voltage drop events
Supports power quality report generation and remote analysis
Application case:A data center achieves a 12%reduction in PUE(energy use efficiency)
2.Multi-protocol compatibility
Technical Advantages:
Natively support IEC 61850 standard and compatible with SCADA system
Supports seamless connection between Modbus protocol and third-party devices(such as Schneider PLC)
Value manifestation:A wind farm realizes centralized monitoring of equipment throughout the field
