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Uma Shankar Patel
Приєднався 20 сер 2011
Відео
Practical of single phase transformer efficiency and regulation
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Here posting Electrical laboratory practical of single phase transformer voltage regulation calculation, efficiency of transformer wattmeter power measurement of iron loss, full load copper loss and load power factor
Emf equation of dc generator and back emf of dc motor
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Construction of dc machine part-2
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Sir aapne copperloss and iron loss dono primary side hi perform kr diya Mene to padha he ki iron loss hamesha low voltage side ki taraf or cu loss hamesha high voltage ki tarf karna chkye Dought clear karo😮???
Sir yae connection lgae hue milengae ?
ACCORDING TO CIRCUIT DIAGRAM APKO CONNECTION KARNE HONGE
cse ( cope)
49% efficiency😲😲 Very low... Not good 🙊🙊
Nice
sir you saying that input power = output power + iron loss+ cu loss , its fine. but in here wattmeter is connected in primary side so the wattmeter reading is the input power which is include with iron loss and copper loss.
and power factor for out put power is 1 due to resistive load. else every thing is fantastic. thank you sir
At no load copper loss is very low so its negligible and at full load copper loss is very high compare to iron loss And also at no load power factor is very low so at that time we use low pf wattmeter And full load we have to use high pf whattmeter thats why copper loss is vey high And efficiency is low Actually transformer efficiency is always more then 85 %
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