一般来说,目前的光伏系统故障诊断方法可以分为以下几类：基于视觉检测、基于成像技术、基于数据分析、基于监控系统。 当前,最流行的故障检测方法是基于成像技术 …
CN117214590A CN202311477853.XA CN202311477853A CN117214590A CN 117214590 A CN117214590 A CN 117214590A CN 202311477853 A CN202311477853 A CN 202311477853A CN 117214590 A CN117214590 A CN 117214590A Authority CN China Prior art keywords test information inverter factory output voltage Prior art date 2023-11-08 Legal status (The legal …
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CN117214590B CN202311477853.XA CN202311477853A CN117214590B CN 117214590 B CN117214590 B CN 117214590B CN 202311477853 A CN202311477853 A CN 202311477853A CN 117214590 B CN117214590 B CN 117214590B Authority CN China Prior art keywords test information inverter factory voltage Prior art date 2023-11-08 Legal status (The legal status is …
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本文首先分析光伏阵列常见的故障类型及各类故障对应的特性；其次,将国内外学者所提的故障检测方法分为物理检测法、能量损失法、I-V曲线法、时序电压电流法四类并逐 …
CN105787561A CN201610165878.XA CN201610165878A CN105787561A CN 105787561 A CN105787561 A CN 105787561A CN 201610165878 A CN201610165878 A CN 201610165878A CN 105787561 A CN105787561 A CN 105787561A Authority CN China Prior art keywords data gear output variable box neural network Prior art date 2016-03-22 Legal status (The legal …
下面整理了一些光伏逆变器常见的故障信息与处理方法。 无市电连接. 故障原因： 表示市电无连接或交流端断路器断开,造成逆变器检测不到市电的电压。 解决办法： 1.判断电网是否断电,若是电网断电,则等待电网恢复供电即可。 2.若电网供电正常,则用万用表交流电压档测量交流输出 …
CN111969952A CN202010860752.0A CN202010860752A CN111969952A CN 111969952 A CN111969952 A CN 111969952A CN 202010860752 A CN202010860752 A CN 202010860752A CN 111969952 A CN111969952 A CN 111969952A Authority CN China Prior art keywords parameter voltage value photovoltaic string preset Prior art date 2020-08-24 Legal status (The …
光伏逆变器在运行过程中可能会遇到多种常见故障,以下是一些常见的故障及其处理方法： 1.交流电压超范围. • 故障原因：逆变器接入电网离变压器较远时,电网工作环境变 …
CN109802634A CN201910040887.XA CN201910040887A CN109802634A CN 109802634 A CN109802634 A CN 109802634A CN 201910040887 A CN201910040887 A CN 201910040887A CN 109802634 A CN109802634 A CN 109802634A Authority CN China Prior art keywords dimension data photovoltaic plant photovoltaic data set Prior art date 2019-01-16 Legal status …
故障分析：逆变器电路板,检测电路,功率回路,通讯回路等电路有故障。 解决办法：逆变器出现上述硬件故障,请把直流端和交流端全部断开,让逆变器停电30分钟以上,如果自己能恢复就 …
故障处理：检查各元器件是否击穿损坏、检查更换损坏的电容、电抗元件、检查直流输入侧发电单元设备、检查脱扣原因,维修、恢复、更换直流侧断路器。 2、交流侧过、欠电压. 故障原因分析：电网电压异常、大气过电 …
CN113541306B CN202110563390.3A CN202110563390A CN113541306B CN 113541306 B CN113541306 B CN 113541306B CN 202110563390 A CN202110563390 A CN 202110563390A CN 113541306 B CN113541306 B CN 113541306B Authority CN China Prior art keywords power generation low green energy carbon carbon efficiency Prior art date 2021-05-24 Legal status …
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