What is the minimum gas density requirement for new EHV breakers according to SRP?

The minimum gas density requirement for new Extra High Voltage (EHV) breakers according to Salt River Project (SRP) is 98%. This requirement is established to ensure the effective operation of the circuit breakers that utilize gas-insulated switchgear technology. Maintaining a high gas density is critical because it helps ensure that the insulating medium remains effective, thereby preventing electrical breakdown and maintaining safety during operations. A gas density at or above this threshold is essential for reliable performance, reducing the risk of failures that could lead to costly downtime or safety issues.

In the context of EHV breakers, achieving this gas density minimizes the chances of arcing and enhances the overall dielectric strength of the breaker components. This level of density is also aligned with industry standards that prioritize safety and reliability in high-voltage applications.