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Help CenterBellows Compensator Used for High-Voltage Electrical Apparatus
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As parts which connect between two adjacent equipment shells, bellows compensator used for high-voltage electrical apparatus aim to adjusting and compensating displacement and extension caused by heat bilges cold shrink. Most common bellows compensator in high stress (i.e., large displacement) use under low cycle times and the bellows compensator is in low stress (small displacement) under high cycles. Due to the bracing of the combined electrical capacity is small, so design pressure balance structure is necessary, depending on the disc spring elastic force to balance the blind plate force produced by internal pressure, to reduce stress. Air tightness requirement is very high. Combination of filling medium expensive SF6 gas, air leakage in 1% or less, or will reduce the running reliability of the product, increase the frequency of notifying, even will cause outage overhaul of the system. The compensator as a electrical components for the inner surface is smooth without any sharp point, otherwise you will produce discharge, influence the insulation performance of the products.
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