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This Standard specifies the energy efficiency grades, minimum allowable values of energy efficiency, evaluating values of energy conservation and test methods FOR line-start three-phase permanent-magnet synchronous motor, elevator permanent-magnet synchronous motor, and permanent-magnet synchronous motor driven by variable frequency equipment. This Standard applies to line-start three-phase permanent-magnet synchronous motor WORKING under three-phase AC power supply with voltage of 1140 V and below, 50 Hz, rated at 0.55 kW - 375 kW, Number of poles 2-pole, 4-pole, 6-pole, 8-pole, 10-pole, 12-pole and 16-pole, single-speed enclosed fan-cooled, continuous duty; elevator permanent-magnet synchronous motor WORKING under voltage of 1000 V and below, variable frequency power supply, rated power of 0.55 kW - 110 kW; permanent-magnet synchronous motor driven by variable frequency equipment WORKING under voltage of 1000 V and below, variable frequency power supply, rated power of 0.55 kW - 90 kW.
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