描述
产品简要说明
Alstom MiCOM P990是一款工业级智能继电保护装置，专为中高压电力系统设计，核心功能包括：
多协议通信：支持Ethernet（10/100MHz）、IEC 870-5-103、DNP3.0等工业协议，实现远程监控与数据交互
高精度检测：支持16路电流/电压输入（CT/VT兼容），精度达±0.5%
宽电压适应性：支持24-240V AC/DC电源输入，兼容不同工业场景
产品详细说明
1.硬件架构与功能模块
输入输出配置：
电流/电压输入：16路独立通道（CT/VT输入，支持1A/5A电流，100/380V电压）
数字量输入/输出：16路DI（干接点）+16路DO（继电器触点）
扩展功能：支持RTD温度检测模块（可选）
通信接口：
以太网：双独立10/100MHz端口，支持冗余配置
串口：RS485（Modbus RTU）与IRIG-B同步接口
电源模块：
双路独立电源输入（24-240V AC/DC），支持热备份
2.核心保护逻辑
电力系统保护：
过流保护：支持瞬时、短延时、长延时三段式保护
过压/欠压保护：电压阈值可调（范围50-1000V），响应时间≤5ms
差动保护：适用于变压器、发电机等关键设备
故障诊断：
本地存储10,000条事件日志，支持故障波形捕捉
通过以太网实时上传故障数据至SCADA系统
3.智能通信与集成能力
协议支持：
工业协议：IEC 870-5-103、DNP3.0、Modbus TCP
同步接口：IRIG-B（DC或AC）实现时钟同步
远程管理：
支持远程参数配置、固件升级与诊断
提供Web界面与API接口，兼容第三方监控平台
技术规格:Alstom MiCOM P990
参数项规格描述
电源输入24-240V AC/DC，双独立电源（冗余配置）
输入通道16路CT/VT输入（1A/5A电流，100/380V电压）
通信接口2×Ethernet（10/100MHz）+RS485+IRIG-B
数字量I/O 16路DI（干接点）+16路DO（继电器触点）
防护等级IP65（防尘防水）
工作温度-40℃至70℃
Product brief description
Alstom MiCOM P990 is an industrial-grade intelligent relay protection device designed for medium and high voltage power systems,with core functions including:
Multi-protocol communication:supports industrial protocols such as Ethernet(10/100MHz),IEC 870-5-103,DNP3.0,etc.,to realize remote monitoring and data interaction
High-precision detection:Supports 16 current/voltage inputs(CT/VT compatible),with an accuracy of±0.5%
Wide voltage adaptability:Supports 24-240V AC/DC power input,compatible with different industrial scenarios
Product details
1.Hardware architecture and functional modules
Input and output configuration:
Current/voltage input:16 independent channels(CT/VT input,support 1A/5A current,100/380V voltage)
Digital input/output:16-channel DI(dry contact)+16-channel DO(relay contact)
Extended function:Support RTD temperature detection module(optional)
Communication interface:
Ethernet:Dual independent 10/100MHz ports,support redundant configuration
Serial port:RS485(Modbus RTU)and IRIG-B synchronization interface
Power module:
Dual independent power input(24-240V AC/DC),support hot backup
2.Core protection logic
Power system protection:
Overcurrent protection:supports three-stage protection of instantaneous,short delay and long delay
Overvoltage/undervoltage protection:voltage threshold is adjustable(range 50-1000V),response time≤5ms
Differential protection:suitable for key equipment such as transformers and generators
Troubleshooting:
10,000 event logs are stored locally,supporting fault waveform capture
Upload fault data to SCADA system in real time via Ethernet
3.Intelligent communication and integration capabilities
Protocol support:
Industrial Agreement:IEC 870-5-103,DNP3.0,Modbus TCP
Synchronization interface:IRIG-B(DC or AC)realizes clock synchronization
Remote Management:
Support remote parameter configuration,firmware upgrade and diagnostics
Provides web interface and API interface,compatible with third-party monitoring platforms
Technical Specifications:Alstom MiCOM P990
Parameters Specification Description
Power input 24-240V AC/DC,dual independent power supply(redundant configuration)
Input channel 16 CT/VT inputs(1A/5A current,100/380V voltage)
Communication interface 2×Ethernet(10/100MHz)+RS485+IRIG-B
Digital I/O 16-channel DI(dry contact)+16-channel DO(relay contact)
Protection level IP65(dust-proof and waterproof)
Operating temperature-40℃to 70℃
