FIELD: metrology. SUBSTANCE: device for measurement of reverse-sequence voltage in three-phase power system has braked electric motor 1 with multisectional instrument winding 2, technological error corrector 10, commutator 3, synchronizer-limiter 4, integrator 5, selective filter 6, amplifier 7, detector 8, voltage indicator 9. EFFECT: expanded operational capabilities. 1 dwg
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Authors
Dates
1994-03-30—Published
1990-11-06—Filed