![]() This test produces a go/no-go result that does not determine when, or if, the gas pressure inside the bottle has dropped to a critical level. ![]() ![]() Traditional field testing of vacuum interrupters utilizes the hi-potential test method in order to evaluate the dielectric strength of a bottle a high voltage is applied across the open contacts and a leakage current is recorded. For this reason, field testing of vacuum interrupters is often used to detect and prevent problems that could eventually lead to equipment failure. Vacuum interrupters have been used extensively in modern electrical systems to replace older air-magnetic and oil interrupters for circuit breakers rated 1kV-36kV due to their compact size, faster operating speeds, and higher life expectancy.Īlthough the service life of a vacuum interrupter is the longest of any other interrupting method, they can still catastrophically fail at anytime resulting in extensive downtime. This guide covers the basic theory and applications for Magnetron Atmospheric Condition testing of vaccum interrupters.
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