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光伏(PV)电弧检测系统

概览

描述

光伏(PV)能源在减少对化石燃料的依赖和应对气候变化方面越来越受欢迎。 然而,光伏系统通常使用直流电流,会产生电弧,导致火灾和财产损失,因此电弧检测对安全至关重要。 UL 1699B 和 IEC 63027 等标准规定了光伏系统中的故障电弧检测,强调了合规性对市场认可和合法运行的重要性。

该光伏电弧检测系统可通过监测直流电压和电流频谱来识别串联和并联电弧,提供全面的安全保护以减轻危险。 它采用了具有极高实时性能和响应能力的 MCU,并可选择配备可减少误报的 eAI 增强功能。 该系统的检测时间小于 200 毫秒,可确保快速准确地检测到故障,从而向用户发出警报,防止火灾和危险的发生。

系统优势:

  • eAI 选项减少了误报,通过最大限度地减少不必要的关闭或更改来提高系统可靠性和效率,从而在最大限度地减少运营中断的情况下延长正常运行时间。
  • Arm® Cortex®-M33 MCU 具有高性能处理功能,可快速分析直流电压和电流频谱,以最小的延迟识别串行和并行电弧,通过更快的故障检测和响应来提高安全性。
  • 超低噪声运算放大器可确保信号完整性,以实现精确的电弧故障检测。
  • 零漂移架构最大限度地减少了温度变化的偏移和漂移,确保系统在所有气候和季节下的准确功能。

产品对比

应用

  • 太阳能电池光伏(PV)系统
  • 逆变器
  • 带集成电弧检测的断路器

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