ABB PPD115A02 3BHE017628R0002是AC800PEC平台UNITROL5000励磁系统核心控制模块，专门用于同步发电机励磁调节。板卡采集机端电压、电流信号，闭环计算后输出触发脉冲控制励磁回路，支持AVR恒压、恒无功、恒功率因数多种调节模式。

ABB PPD115A02 3BHE017628R0002 is the core control module of UNITROL 5000 excitation system on AC800PEC platform, designed for synchronous generator excitation regulation. It collects generator voltage and current signals, calculates and outputs firing pulses to control excitation circuit, supporting AVR, constant reactive power and constant power factor modes.

模块集成信号采集、脉冲输出、通讯与故障诊断功能，适配水电、火电、工厂自备电站存量励磁装置，具备强抗干扰能力，是励磁系统故障维修、技改替换的主流备件。

This module integrates signal acquisition, pulse output, communication and self-diagnosis. It is suitable for hydro, thermal and industrial captive power plant legacy excitation equipment with strong EMC performance, widely stocked for excitation system maintenance and retrofit.

Main Specifications 技术参数

• 1. Product Series / 产品系列：ABB UNITROL 5000 / AC800PEC Excitation System

• 2. Part Numbers / 型号编码：PPD115A02，Order code: 3BHE017628R0002

• 3. Function Type / 类型：发电机励磁控制主模块

• 4. Key Features / 特性：AVR voltage regulation, reactive power control, built-in diagnosis, pulse trigger output

• 5. Mounting / 安装：UNITROL5000励磁控制柜机架安装

Core Functions 核心功能

• 1. 同步发电机自动电压调节AVR，稳定机端电压，抑制电压波动。
  Automatic voltage regulation AVR for synchronous generator to stabilize terminal voltage.

• 2. 支持恒无功、恒功率因数调节，实现发电机组无功分配控制。
  Constant reactive power and constant power factor control for generator reactive load sharing.

• 3. 实时采集电压电流模拟量，闭环运算输出晶闸管触发脉冲。
  Real-time voltage and current sampling, closed-loop calculation and SCR firing pulse output.

• 4. 内置故障自检、过压、失磁、过流等励磁保护报警，上传故障信息。
  Built-in self-test, overvoltage, loss-of-excitation and overcurrent protection alarm.

• 5. AC800PEC总线通讯，对接上位监控系统，参数远程查看与整定。
  AC800PEC bus communication with SCADA for remote parameter monitoring and setting.

Application Scenarios 应用场景

• 1. 火电厂、水电厂同步发电机组UNITROL5000励磁控制系统。
  UNITROL 5000 excitation control for thermal and hydro power synchronous generators.

• 2. 工厂自备电站、燃气轮机发电机组励磁装置维保备件更换。
  Spare replacement for captive power plant and gas turbine generator excitation cabinets.

• 3. 励磁系统技改升级、冗余控制改造，提升机组电压稳定性。
  Excitation system retrofit and redundant upgrade to improve generator voltage stability.

• 4. 新能源配套电站、生物质电站发电机励磁调节与保护。
  Excitation regulation and protection for biomass and renewable energy power stations.

• 5. 海外电力项目励磁备件供货，配套励磁调试、参数整定服务。
  Spare supply for overseas power projects with excitation commissioning support.

FAQ 常见问答

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