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A small generating station produces 5.0 kA of current at V 10.0 kV. It must be...
A generating station is producing 1.8 x 106 W of power that is to be sent...
A generating station is producing 1.8 x 106 W of power that is to be sent to a small town located 5.3 km away. Each of the two wires that comprise the transmission line has a resistance per length of 4.4 x 10-2/km. (a) Find the power lost in heating the wires if the power is transmitted at 1800 V. (b) A 100:1 step-up transformer is used to raise the voltage before the power is transmitted. How much power is...
A generating station is producing 1.4 x 10^6 W of power that is to be sent...
A generating station is producing 1.4 x 10^6 W of power that is to be sent to a small town located 6.5 km away. Each of the two wires that comprise the transmission line has a resistance per length of 3.2 x 10^-2/km. (a) Find the power lost in heating the wires if the power is transmitted at 1700 V. (b) A 100:1 step-up transformer is used to raise the voltage before the power is transmitted. How much power is...
Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted this voltage to kV. The secondary coil of this transformer is being replaced so that its output can be...
Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted this voltage to kV. The secondary coil of this transformer is being replaced so that its output can be 730 kV for more efficient cross-country transmission on upgraded transmission lines V 315 kV V2 730 kV - 50% Part (a) If the overall power output is 1000.0 MW and line resistance is 2.00 Ω, what was the power loss, in watts, in the old power...
What is the peak emf generated (in V) by rotating a 1000 turn, 10.0 cm diameter...
What is the peak emf generated (in V) by rotating a 1000 turn, 10.0 cm diameter coil in the Earth's 5.00 ✕ 10−5 T magnetic field, given the plane of the coil is originally perpendicular to the Earth's field and is rotated to be parallel to the field in 17.0 ms? =______V A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 325 kV. The secondary of this transformer is being replaced so...
three-phase transformer is rated at 12 kV/135 kV, 100 MVA. It has the following equivalent circuit...
three-phase transformer is rated at 12 kV/135 kV, 100 MVA. It has the following equivalent circuit parameters (referred to the primary winding where appropriate) : • primary resistance R1 = 0.03 ohms, secondary resistance R2’ = 0.04 ohms • primary leakage reactance X1 = 0.1 ohms, secondary leakage reactance X2’ = 0.1 ohms • magnetising reactance XM = 16 ohms, core-loss resistance RC = 200 ohms. In your calculations, you should use the simplified equivalent circuit. i) The transformer is...
A small power plant produces a voltage of 10 V and 100 A. The voltage is...
A small power plant produces a voltage of 10 V and 100 A. The voltage is stepped up to 120 by a transformer before it is transmitted to a substation. The resistance of the transmission line between the power plant and the substation is 75 ohm. What is the current in the transmissions line from the plant to the substation. please show all work
An electric generating plant produces electric energy at a rate of 0.2 GW and a voltage...
An electric generating plant produces electric energy at a rate of 0.2 GW and a voltage of 60968 V. If it is desired to transmit this power at 1.21936×105 V, what must be the turns ratio of the transformer used? 015 (part 2 of 2) 10.0 points What current would be sent out over the power lines if it were transmitted at 1.21936× 105 V? Answer in units of A.
(10%) Problem 7: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer...
(10%) Problem 7: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted this voltage to 345 kV. The secondary coil of this transformer is being replaced so that its output can be 760 kV for more efficient cross-country transmission on upgraded transmission lines. Randomized Variables Vi = 345 kV V2 - 760 kV 50% Part (a) If the overall power output is 1000.0 MW and line resistance is 2.00 2. what was the power...
4. An AM radio antenna has 3000 loops with diameter 0.20 m; a radio station makes...
4. An AM radio antenna has 3000 loops with diameter 0.20 m; a radio station makes its 2 nt magnetic field oscillate at 1400 kHz pointing left, then right. a) which coil orientation is best for the antenna's reception? { ABC} b) calculate the voltage from the antenna Rho 5. We might power a Crooke's tube using a Tesla coil transformer with 20 turns on the primary; 10,000 turns on the secondary, using 2.0 A from a 6 VAC 60...
1. In order to meet an emergency, three single-phase transformers with 12.470/7.200 V are connected in...
1. In order to meet an emergency, three single-phase transformers with 12.470/7.200 V are connected in Delta-Wye to form a three-phase transformer which is fed by a 12.470 V transmission line. If the transformer supplies 60 MVA to a load, calculate: (3 marks) a. The turns ratio for each transformer b. The currents in the primary and secondary windings of the transformer c. The primary and secondary transmission line currents 2. A Wye-Delta transformer is connected to a 66 kV...
Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted this voltage to kV. The secondary coil of this transformer is being replaced so that its output can be 730 kV for more efficient cross-country transmission on upgraded transmission lines V 315 kV V2 730 kV - 50% Part (a) If the overall power output is 1000.0 MW and line resistance is 2.00 Ω, what was the power loss, in watts, in the old power...
(10%) Problem 7: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted this voltage to 345 kV. The secondary coil of this transformer is being replaced so that its output can be 760 kV for more efficient cross-country transmission on upgraded transmission lines. Randomized Variables Vi = 345 kV V2 - 760 kV 50% Part (a) If the overall power output is 1000.0 MW and line resistance is 2.00 2. what was the power...
4. An AM radio antenna has 3000 loops with diameter 0.20 m; a radio station makes its 2 nt magnetic field oscillate at 1400 kHz pointing left, then right. a) which coil orientation is best for the antenna's reception? { ABC} b) calculate the voltage from the antenna Rho 5. We might power a Crooke's tube using a Tesla coil transformer with 20 turns on the primary; 10,000 turns on the secondary, using 2.0 A from a 6 VAC 60...
1. In order to meet an emergency, three single-phase transformers with 12.470/7.200 V are connected in Delta-Wye to form a three-phase transformer which is fed by a 12.470 V transmission line. If the transformer supplies 60 MVA to a load, calculate: (3 marks) a. The turns ratio for each transformer b. The currents in the primary and secondary windings of the transformer c. The primary and secondary transmission line currents 2. A Wye-Delta transformer is connected to a 66 kV...
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