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单词 negative phase sequence
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negative phase sequence
negative phase sequence n. Electrical Engineering a three-phase system in which the voltages or currents in each phase reach their maxima in the opposite order from the standard sequence.
ΚΠ
1930 M. G. Malti Electr. Circuit Anal. xv. 244 We shall call a negative phase sequence such a sequence of the phases that phase 1 leads phase 3 by 120° and leads phase 2 by 240°.
1963 R. Hammond Mobile & Movable Cranes vi. 181 The luffing motion control equipment consists of a negative-phase sequence panel, with contactors to give plain rotor-controlled ‘luffing-in’ and ‘luffing-out’ by the unbalancing of the stator voltages of the motor through an inbuilt transformer.
extracted from negativeadj.adv.2int.
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