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Dongguan second-hand generator recovery must beware of voltage thermal deviation

人气:: Article Source: Popularity :: Issuing time: 2019-07-01 15:28:43
Dongguan second-hand generator recovery must beware of voltage thermal deviation
When the ambient temperature and the temperature of the generator set increase, the magnetic permeability of the generator core decreases, the DC resistance of the winding increases, and the circuit component parameters will change.
Change, which will cause the output voltage of the generator set to change. This phenomenon is called voltage thermal offset. Generally, the voltage thermal deviation of the unit is expressed by the percentage of the unit voltage change caused by the temperature rise, which is generally not allowed to exceed 2%. The voltage offset is for the rated voltage Ue of the network. It is the actual voltage of each point of the system under the normal operating mode of the power distribution system (that is, all components in the system are operating according to the predetermined operating conditions) to the system's nominal voltage Un. Bias δu. It is usually expressed as a percentage relative to the nominal voltage of the system, that is: δu = (U-Un) / Un * 100% The voltage offset is too large (whether it is high or low), which will not only affect the quality of industrial and agricultural products And output, damage the equipment, and the normal operation of the equipment of the power system itself is also very unfavorable.
Common impacts of second-hand generator recovery in Dongguan include: reduced output, shortened or burned out motor life, affected steel furnace production of electric furnaces, electrical equipment insulation breakdown, shortened electrical equipment life, and large-scale power outages caused by voltage collapse. http://ftfan.cn/
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