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<p>applications, starting a revolution in power electronics. In that same year, <a href="page.php?w=Siemens">Siemens</a> demonstrated a solid-state <a href="page.php?w=rectifier">rectifier</a>, but it was not until the early 1970s that solid-state devices became the standard in HVDC, when GE emerged as one of the top suppliers of thyristor-based HVDC. In 1979, a European consortium including Siemens, Brown Boveri & Cie and AEG realized the record HVDC link from <a href="page.php?w=Cabora_Bassa">Cabora Bassa</a> to <a href="page.php?w=Johannesburg">Johannesburg</a>,</p><p>
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