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electric motors burn down more easily than in the pastdue to the continuous development of insulation technology, the design of the motor requ...
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3. use apparent power to calculate reactive power compensation for energy saving benefitsthe apparent power is used to calculate the energy sa...
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notice of the general administration of quality supervision, inspection and quarantine of the ministry of industry and information technology on ...
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1, use inverter can save electricitysome literature claims that vvvf is a power-saving control product, giving the impression that as long as ...
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warning lights, warning signs or safety protection facilities shall be set up at the crossings where railways and roads intersect.warning signs s...
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2020-6-3advantages of frequency converter
(1) control the starting current of the motorwhen the motor is started directly by power frequency it will produce a seven to eight times the ...