These circuit filters apply at 10%, 15%, and 20%. Circuit breakers, when triggered, bring about a coordinated trading halt in all equity and equity derivative markets nationwide.

Guidelines for the application of automatic reclosing facilities to circuit breakers are established. Decisions concerning the use of such facilities in specific cases are left to the user.

This paper extends the analysis of synchronous machines previously published by Doherty and Nickle to include the calculation of torque due to single-phase short circuit. The torque is expressed as ...