Construction and test of a slip meter . 7. I . (0 will cloBO at 1,3,5,or 2,4,6,for ono cycle,In thlB caoo tho poloo of \h •• -vi 1 1 i ri Mm nnn r. p(>l;!^t_7 thronc-hon f. trini., and Lhu armaturo,Luinr a pormandnl niai;nu L,.vlll alway^j bo altractodin the samo oreration this koora the armature Botin one position Tncauoo the altornations occur too quickly o .•^llovvthe OBCcpemont to move,Tho rotor speed is proportional f^o tho altor--nationr or cycloa in the rotor and when the clooinp, of the circuitly tho ^^utator oc^nr-t on the axiG,( roin^ of zero vol
Construction and test of a slip meter . 7. I . (0 will cloBO at 1,3,5,or 2,4,6,for ono cycle,In thlB caoo tho poloo of \h •• -vi 1 1 i ri Mm nnn r. p(>l;!^t_7 thronc-hon f. trini., and Lhu armaturo,Luinr a pormandnl niai;nu L,.vlll alway^j bo altractodin the samo oreration this koora the armature Botin one position Tncauoo the altornations occur too quickly o .•^llovvthe OBCcpemont to move,Tho rotor speed is proportional f^o tho altor--nationr or cycloa in the rotor and when the clooinp, of the circuitly tho ^^utator oc^nr-t on the axiG,( roin^ of zero voltage on thecurve ) Lhi^ escapement Ib reloaded and registers one scale reading01- records the slip of one an illustration of this will ^ a six -nole induction motor v/hich slins one pole inten rovolJtions oi- one pole per 30 cycles .Suppose the coininu tatorcloses the circuit of maximum voltage,a,at the first armature would be drawn into position and the escapement contact would occur at point l,of less voltage,and so forthuntil at tho fifteenth contact v;hich would occur at a point of novoltage on the curve,the armature is released and the escapementallowed to turn one C the voltage will increase again toa maximum, at D which,by assumtion occurs at the thirtieth contact. The slipmeter as constructed by theauthors differs fromthe Eianchi slipmeter in that the slip must be counted instead ofbeing recorded automatically .The Bianchi ireter also has an adjust-ment whereby the meter can be used for various numbers of poles the rhetor an ^onc true ted 1b applicable only to a maohino hav-ir.!_; tiix puiu^i. Deacription of Meter.•The mc Lur oonrAats of an oloctro LI ,a comTnutator CaLtachod c jpeod counter ,an eBcapemont movement E arl n magnet N • /I O o o o
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