%0 Journal Article %T Two constructions of ie4 efficiency class synchronous motors with distributed and concentrated winding %A Herbst, Andrzej %J Czasopismo Techniczne %V 2015 %R 10.4467/2353737XCT.15.027.3827 %N Elektrotechnika Zeszyt 1-E (8) 2015 %P 57-66 %K PMSM motor, distributed winding, concentrated winding %@ 0011-4561 %D 2015 %U https://ejournals.eu/czasopismo/czasopismo-techniczne/artykul/two-constructions-of-ie4-efficiency-class-synchronous-motors-with-distributed-and-concentrated-winding %X This paper takes into consideration two PMSM motors of size 80 with very similar efficiency and output power. In the article, design differences between a classic 4 pole/24 tooth motor with distributed winding and a 10 pole/12 tooth motor with concentrated winding are shown. Calculations and tests results are also presented for both machines.