Why Must The Connections Between The Two Sides Of The High-voltage Disconnect Switch And The Busbar And Cable Ground Be Secure?
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As a mechanical switch used to disconnect lines or equipment from a system, the High Voltage Disconnect Switch generates mechanical shock and electromagnetic force during its opening and closing operations. If the connections on both sides to the busbar and cable ground wire are not secure, poor contact and arcing vibration may occur, leading to localized overheating or loose connections. Such abnormal conditions not only increase equipment wear but may also cause equipment failure or even escalate to system-wide power instability.
