Takes place at
Their operating mode takes place at an alternating current frequency of 50 Hz. Special -purpose transformers are power, special, testing and measuring units used to convert the form of the EMF curve, phase number and frequency.
Their operating mode takes place at an alternating current frequency of 50 Hz. Special -purpose transformers are power, special, testing and measuring units used to convert the form of the EMF curve, phase number and frequency.