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首頁> 外文會議>2018 IEEE Wireless Power Transfer Conference >A Power Scavenging Current Transformer to Remotely Power ‘Bird on Wire’ Sensors in Grid Monitoring
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A Power Scavenging Current Transformer to Remotely Power ‘Bird on Wire’ Sensors in Grid Monitoring

機譯:一個用于在電網(wǎng)監(jiān)控中為“ Bird on”傳感器遠(yuǎn)程供電的功率采集電流互感器

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This paper presents the design of a current transformer that is used for scavenging power from an 60 Hz ac transmission line. The primary goal of the design is to maximize the scavenged power under minimum line current conditions of a few amperes to power sensor in a smart grid network. Impedance matching is shown to be critical to obtain maximum power. An experimental test bed was setup to verify the design. A current transformer with a ferrite core was used with 450 turns of 28 AWG copper wire can deliver 9.5 mW of power at a line current of 1.54 A. The load circuit consists of a bridge rectifier and a low drop-out regulator designed to charge a 4.0 V NiMH battery pack.
機譯:本文介紹了一種電流互感器的設(shè)計,該電流互感器用于從60 Hz交流傳輸線中清除功率。該設(shè)計的主要目標(biāo)是在智能電網(wǎng)中的幾安培的最小線路電流條件下,最大限度地提高清除功率。阻抗匹配對于獲得最大功率至關(guān)重要。設(shè)置了實驗測試臺以驗證設(shè)計。使用帶鐵氧體磁芯的電流互感器,使用450匝28 AWG銅線,可在1.54 A的線電流下提供9.5 mW的功率。負(fù)載電路由橋式整流器和低壓差穩(wěn)壓器組成,旨在為交流電充電。 4.0 V NiMH電池組。

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