跳转到主要内容

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

方框图

选择相应模块,寻找适合您设计的产品

远程测试该板卡

该板卡已上线云上实验室(Lab on the Cloud),使用我们的 PC 图形界面,无需实体板卡,便可在虚拟实验室中立即开始配置和测试设计。
EU210: WEBConnector Line.274Connector Line.258Connector Arrow.177Connector Line.259Connector Arrow.238CrystalSheet.195Sheet.196Sheet.197Sheet.198Sheet.199Sheet.200Sheet.201Connector Line.202Solar Panel Solar InverterSolar InverterSolar InverterSolar Cell StringSolar Cell StringSolar Cell StringShuntSheet.8Sheet.9Sheet.10Shunt.11Sheet.12Sheet.13Sheet.14Shunt.16Sheet.17Sheet.18Sheet.19Shunt.20Sheet.21Sheet.22Sheet.23Connector LineLabel Text 10pt.262++Label Text 10pt.27--Connector Line.28Rogowski CoilRogowski CoilRogowski CoilShunt.30Sheet.31Sheet.32Sheet.33LDOLDOLDOLDOLDOLDOConnector Line.59Connected signals lineConnected signals line.62Connected signals arrowCapacitor Non-polarizedSheet.66Sheet.67Sheet.68Sheet.69Connector Line.70Connector Line.71Connector Line.72Connected signals line.74Shunt.75Sheet.76Sheet.77Sheet.78Capacitor Non-polarized .79Sheet.80Sheet.81Sheet.82Sheet.83Connector Line.84Connector Line.85Connector 1.160Connected signals line.87Connector Line.88Connector Line.90CircleConnected signals line.92Shunt.93Sheet.94Sheet.95Sheet.96Capacitor Non-polarized .97Sheet.98Sheet.99Sheet.100Sheet.101Connector Line.107Connected signals line.108Label Text 10pt.109++Label Text 10pt.110--Shunt.111Sheet.112Sheet.113Sheet.114Capacitor Non-polarized .115Sheet.116Sheet.117Sheet.118Sheet.119Connector Line.120Connector Line.121Connected signals line.123Connected signals line.124Connector Line.126Connected signals line.127Connected signals line.129 LDOLDOLDOConnector ArrowLine Dotted ArrowConnector dotted lineConnector 1.160.138Connected signals arrow.13912Vdc12VDC12VDCShunt.141Sheet.142Sheet.143Sheet.144Shunt.145Sheet.146Sheet.147Sheet.148GroundSheet.150Sheet.151Connector Line.1525V5V5V 3.3V3.3V3.3VConnector Line.1652.5V Bias2.5V Bias2.5V BiasSurge ProtectionSurge ProtectionSurge ProtectionAlt. High Sat. TransformerAlt. High Sat. TransformerAlt. High Sat. TransformerConnected signals line.1692.5V2.5V2.5VConnected signals arrow.171Connected signals arrow.172Connected signals arrow.173Connected signals arrow.174Connected signals arrow.175Connected signals line.179Connected signals line.180Connected signals line.181Connected signals line.182Connected signals line.187Connector Line.189Connected signals line.190Voltage FFT InputVoltage FFT InputVoltage FFT InputCurrent FFT InputCurrent FFT inputCurrent FFT inputRS-485/RS-422RS-485/RS-422RS-485/RS-422 5V5V5VLine Dotted Arrow.207Line Bi-directional DottedVertical Wire Bundle333Sheet.212Circuit BreakerCircuit BreakerCircuit BreakerJTAGJTAGJTAGSPST NO SwitchSheet.218Sheet.219Sheet.220Sheet.221Sheet.222Sheet.223Diode - LEDSheet.225Sheet.226Sheet.227Sheet.228Sheet.229Darlington.651Sheet.231Darlington.254Debug UARTDebug UARTDebug UARTBi-directionalVertical Wire Bundle.243 222Sheet.245CAN I/FCAN I/FCAN I/FLine Bi-directional Dotted.247Vertical Wire Bundle.248 222Sheet.250Bi-directional.251Vertical Wire Bundle.252999Sheet.254Ground.255Sheet.256Sheet.257Connector Line.260Circle.261Connected signals line.2620-20Adc0-20ADC0-20ADC150-600Vdc150-600VDC150-600VDCBandpass filterBandpass filter 1-200kHzBandpass filter 1-200kHz2.5V Bias2.5V Bias2.5V BiasBandpass filterBandpass filter 1-200kHzBandpass filter 1-200kHzRS-485RS-485RS-485Connector dotted arrowVertical Wire Bundle.270222Sheet.272Buck ConverterBuck ConverterBuck ConverterEU210EU210EU210Sheet.277MCUMCUMCU VddVDDVDDHS Osc.HS Osc.HS Osc.ADCADCADC ADCADCADCUARTUARTUART RS-485RS-485RS-485 GPIOGPIOGPIOGPIOGPIOGPIO CANCANCAN SPISPISPI GPIOGPIOGPIOSheet.278Op AmpOp AmpOp Amp E+E+E+ E-E-E-OutOutOutSheet.279Op AmpOp AmpOp AmpE-E-E-E+E+E+OutOutOutSheet.280 Op AmpOp AmpOp AmpE-E-E- E+E+E+ OutOutOutConnector Line.178Sheet.282 Op AmpOp AmpOp Amp E+E+E+ E-E-E- OutOutOutSheet.283 Op AmpOp AmpOp Amp E+E+E+ E-E-E- OutOutOut
Exiting Interactive Block Diagram

支持

支持社区

支持社区

在线询问瑞萨电子工程社群的技术人员,快速获得技术支持。
浏览文章

知识库

浏览我们的知识库,获取文章、常见问题解答及其他实用资源。
提交工单

提交工单

需要咨询技术性问题或提供非公开信息吗?