kˈɑːmən jˈuːsᵻz ɪŋklˈuːd ˌæplɪkˈeɪʃənz wˌɛɹ ðə ɹˈoʊɾɚ mˈʌst biː hˈɛld stˈeɪʃənˌɛɹi fɔːɹ lˈɔŋ pˈiəɹɪədz, ænd ɪn pətˈɛnʃəli ɛksplˈoʊsɪv ɛnvˈaɪɹənmənts sˈʌtʃ ɐz mˈaɪnɪŋ bɪkˈʌz ɪɾ ˈɑːpɚɹˌeɪts wɪðˌaʊt ɐ mᵻkˈænɪkəl kˈɑːmjuːtˌeɪɾɚ.
Common uses include applications where the rotor must be held stationary for long periods, and in potentially explosive environments such as mining because it operates without a mechanical commutator.