For the given figure, if $V_{a n}=120 \mathrm{~V}$, determine the total power, total reactive power, and total apparent power, a. supplied to the load. b. output by the source.

For the generators of the given figure, $\mathbf{E}_{A N}=7620 \mathrm{~V} \angle-18^{\circ}$. a. What are the phase voltages $\mathbf{E}_{B N}$ and $\mathbf{E}_{C N}$ ? b. Determine the line-to-line voltages. c. Sketch their phasor diagram.

Consider an ideal Brayton cycle executed between the pressure limits of 1200 and 100 kPa and temperature limits of 20 and $1000^{\circ} \mathrm{C}$ with argon as the working fluid. The net work output of the cycle is (a) 68 kJ/kg (b) 93 kJ/kg (c) 158 kJ/kg (d) 186 kJ/kg (e) 310 kJ/kg

In an ideal Brayton cycle, air is compressed from 95 kPa and $25^{\circ} \mathrm{C}$ to 1100 kPa. Under cold-air-standard conditions, the thermal efficiency of this cycle is (a) 45 percent (b) 50 percent (c) 62 percent (d) 73 percent (e) 86 percent

In an ideal Brayton cycle, air is compressed from 95 kPa and $25^{\circ} \mathrm{C}$ to 1400 kPa. Under cold-air-standard conditions, the thermal efficiency of this cycle is (a) 40 percent (b) 44 percent (c) 49 percent (d) 54 percent (e) 58 percent

For the given figure, if $V_{a b}=600 \mathrm{~V}$, determine the total power, total reactive power, total apparent power, and power factor.

For the given figure, if $V_{a n}=277 \mathrm{~V}$, determine the total active power, total reactive power, total apparent power, and power factor.

For the given figure, $E_{A B}=208 \mathrm{~V}$. Compute the total real, reactive, and apparent power using the $P_{\mathrm{T}}, Q_{\mathrm{T}}$, and $S_{\mathrm{T}}$ formulas of the given table. Compare to the results of the given figure, $E_{A B}=208$ volts. a. Determine per-phase real, reactive, and apparent power. b. Multiply per-phase quantities by 3 to get total quantities.

For the given figure, $E_{A B}=208$ volts. a. Determine per-phase real, reactive, and apparent power. b. Multiply per-phase quantities by 3 to get total quantities.

For the given figure , compute the total real, reactive, and apparent power using the $P_{\mathrm{T}}, Q_{\mathrm{T}}$, and $S_{\mathrm{T}}$ formulas of the given table. (Use $V_{L}=207.8 \mathrm{~V}$ rather than the nominal value of $208 \mathrm{~V}$ here.) Compare these to the results of the given figure, $E_{A N}=120$ volts. a. Determine per-phase real, reactive, and apparent power. b. Multiply per-phase quantities by 3 to get total quantities.

For the given figure, $E_{A N}=120$ volts. a. Determine per-phase real, reactive, and apparent power. b. Multiply per-phase quantities by 3 to get total quantities.

Repeating for the balanced load of the given figure, $V_{a b}=600 \mathrm{~V}$. Determine perphase and total active, reactive, and apparent power for the balanced load of the given figure, given $E_{A N}=120 \mathrm{~V}$.

For the balanced load of the given figure, $V_{a b}=600 \mathrm{~V}$. Determine perphase and total active, reactive, and apparent power.

For the given figure, $\mathbf{Z}_{\mathbf{Y}}=15 \Omega+j 20 \Omega, \mathbf{Z}_{\Delta}=9 \Omega-j 12 \Omega, \mathbf{Z}_{\text {line }}=0.1 \Omega$ $+j 0.1 \Omega$, and $\mathbf{I}_{a^{\prime} b^{\prime}}=40 \mathrm{~A} \angle 73.13^{\circ}$. Find $\mathrm{Y}$ phase voltage $\mathbf{V}_{a n}$, magnitude and angle.