. Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise. Fig. 1,487.—Section of General Electric staticin position. nature ventilating ducts and winding These are described in detail in Chapter XVIII. Briefly a lap windingis one composed of lap coils; a wave winding is one which roughlyresembles in its diagram, a section of waves. Half Coil and Whole Coil Windings.—The distinction asto whether the adjacent sides
. Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise. Fig. 1,487.—Section of General Electric staticin position. nature ventilating ducts and winding These are described in detail in Chapter XVIII. Briefly a lap windingis one composed of lap coils; a wave winding is one which roughlyresembles in its diagram, a section of waves. Half Coil and Whole Coil Windings.—The distinction asto whether the adjacent sides of consecutive coils are placedtogether under one pole or whether they are separated a distanceequal to the pole pitch, gives rise to what is known as half coiland whole coil windings. IIAWKIXS ELECTRICITY A half coil or hemitropic winding is one in which the coilsin a situated opposi: >ther pole, that ; winding in which there is only one coil per phase per pair ofpoles, as in fig. 1,488. .4 whole ceil winding is i kick there is one coil per phase per pole, as in fig. , the whole (every one) of the polesbeing subtended by coils. ONE COIL PERPAIR OF POLES. ^^^ HALF COIL WINDING WHOLE COILWINDIN6
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