what is polarity and parallelism
Parallelism is a device used to make moments in literature memorable and alluring. Learn what makes parallelism such a powerful tool and read some... for Teachers for Schools for Companies
Transformer Polarity Copyright 2002 Kilowatt Classroom, LLC. banks and to properly parallel single or three -phase transformers with existing electrical systems. polarity is also required to connect potential and current transformers to power metering devices and protective relays. The basic theory of additive and subtractive polarity is the underlying principle used in step voltage regulators where