Synopsis.-Until somewhat recently, synchronous machine reactance, and the variation in this latter quantity depending upon theory has been satisfied with a relatively few characteristic constants, whether current or voltage is impressed on the machine. An imor reactances, in terms of which the behavior of machines has been portant aspect of the division of synchronous reactance into armature calculated. Present theory, however, reqtires many more co-reaction and leakage reactance is discussed. Transient reactance is efficients. There are now generally recognized two values each of shown to be the difference between synchronous reactance and the leakage, synchronous, and transient reactance wt,hich correspond ratio of the mutual reactance between armature and field and the total to the two symmetrical axes of magntetization of the armature current field reactance. Calcutlations are included to show that the shortand which refer to balanced operation. Negative and zero phase-circuit and open-circuit time-constants are related to each other in a sequence reactances are also employed to determine operation under simple manner. unbalanced conditions, and it is possible and desirable to distinguishThe appendixes cover the followting subjects: other reactances.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.