Question

if the d.c. output voltage is 400 V with no load attached to power supply but decreases to 300 V at full load, find the percentage voltage regulation

Answer 1

Answer:

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Answer 2

The percentage voltage regulation is 33.3%.

The D.C output voltage is 400V with no load attached to power supply but decreases to 300V at full load.

We have to find the percentage voltage regulation.

Voltage regulation : It is the measure of change in the voltage magnitude between input and output voltage of the Appliance.

The percentage voltage regulation is given by,

$\text{Regulation}=\frac{V_{NL}-V_{FL}}{V_{FL}}\times100$

$V_{NL}=\text{voltage with no load}=400V\\\\V_{FL}=\text{voltage with full load}=300V$

⇒ Regulation = (400 - 300)/300 × 100 = 100/300 × 100 = 33.3%

Therefore the percentage voltage regulation is 33.3%.

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