Q4: A 3-phase transmission line having a series impedance of 20 + j 30 ohms delivers 7 MW at 33kV and 0.85 lagging power factor. Find sending end voltage and regulation. Neglect capacitance.
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Given, series impedance Z = 20 + j30 ohms Power P = 7 MW Line voltage V_L = 33 kV Power factor (pf) = 0.85 lagging Show more…
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Q5: A 3-phase transmission line having a series impedance of 20+j30 delivers 70 MW at 33 kV and 0.85 lagging power factor. Find the sending end voltage and voltage regulation. Note: Assume the line is short. Q6: Answer any one of the following:
Adi S.
a short 3 phase transmission line with an impedance of 5 + j 20 ohm per phase has sending end and receiving in voltages of 46.85 kilovolt and 33 kilovolt respectively for some receiving end load at power factor of 0.8 lagging determine the sending in power factor
Sri K.
A short 3-phase, 33-kV power transmission line delivers a load of 7 MW at a power factor of 0.85 lagging and 33 kV. If the series impedance of the line is 20 + j30 Ohms/phase, calculate: - The ABCD constants (parameters) - The sending end voltage - The load angle - The voltage regulation - The transmission efficiency
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