西班牙和葡萄牙大规模停电原因是极端气温变化
西班牙和葡萄牙周一发生大规模停电事故,数百万居民受到影响。葡萄牙国家电网(REN)解释说,事故是一种罕见大气现象导致的。REN 称,西班牙内陆地区极端的气温变化,导致了超高压线路(400千伏)出现异常振荡。这种现象被称为“诱发大气振动”。振荡引发电力系统之间同步出现故障,导致互联的欧洲电网相继出现故障。当电网频率降至 50Hz 的欧洲标准以下时,电网系统遭遇了电厂级联断开。
LAS VEGAS – Security doors and cameras, alarms and biometrics, smart locks and drones, were some of the security device types on display at ISCWest (International Security Consortium West) 2025 at the Venetian Hotel in April. Many of these devices are used for public safety in airports, stadiums, courts, etc., while also monitoring for physical…
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