According to relevant regulations, high-voltage disconnectors are permitted to perform the following operations: Switching (opening/closing) normally operating potential transformers (PTs) and surge arresters; Switching the neutral grounding disconnector of a main transformer under normal operating conditions; Switching small-current loops to balance circulating currents.A high-voltage disconnector is an electrical component without arc-quenching capability. Therefore, it may only be operated wh
11/11/2025
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