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Information × Registration Number 0203U002034, 0100U001328 , R & D reports Title Improvement of the capacity synchronous motors' starting, protection and operation circuits popup.stage_title Head Syvokobylenko V.F., Registration Date 22-01-2003 Organization Donetsk state technical university popup.description2 New method of the synchronous motors slow starting is proposed. This method permits to increase the resource of the motor due to modernization of starting scheme, which provides the decreasing of the stator current and voltage of starting. New scheme permits to decrease using of power energy for technological needs due to more frequency startings and stoppings of the aggregates. The investigations of the proposed method with helping of mathematical model and plant testing are done. Calculation of the efficiency is carried out. The schemes of automatic and relay protection are developed. They grantees the synchronous switching on of the feeding voltage at the short time break down of feeding. The digital protections, which make both functions of protection and diagnosing, are developed Product Description popup.authors popup.nrat_date 2020-04-02 Close