1. Iron los...........varies approximately as V². 2. Cu loss..........it also varies as 2 but decreases with an increase in volta output is assumed. 3. Efficiency...........for distribution transformers, efficiency at fractional load crease in voltage while at full load or overload it increases with increase versa. 4. Regulation......... it varies as but decreases with increase in voltage if c is assumed. 5. Heating..........for constant kVA output, iron temperatures increase where decrease with increase in voltages and vice-versa.

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7. TY Hat CHICL
Ans. 1. Iron los.........varies approximately as V².
2. Cu loss..........it also varies as ² but decreases with an increase in voltage if constant kVA
output is assumed.
3. Efficiency...........for distribution transformers, efficiency at fractional loads decreases with in-
crease in voltage while at full load or overload it increases with increase in voltage and vice-
versa.
4. Regulation..........it varies as but decreases with increase in voltage if constant kVA output
is assumed.
5. Heating.........for constant kVA output, iron temperatures increase whereas Cu temperatures
decrease with increase in voltages and vice-versa.
quems
Transcribed Image Text:7. TY Hat CHICL Ans. 1. Iron los.........varies approximately as V². 2. Cu loss..........it also varies as ² but decreases with an increase in voltage if constant kVA output is assumed. 3. Efficiency...........for distribution transformers, efficiency at fractional loads decreases with in- crease in voltage while at full load or overload it increases with increase in voltage and vice- versa. 4. Regulation..........it varies as but decreases with increase in voltage if constant kVA output is assumed. 5. Heating.........for constant kVA output, iron temperatures increase whereas Cu temperatures decrease with increase in voltages and vice-versa. quems
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