Answered: Three coils each having resistance of…

Three coils each having resistance of 17 Q are connected in star across 415 V, 50 Hz supply. Then the total power consumed is

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter4: Transmission Line Parameters

Section: Chapter Questions

Problem 4.8MCQ: An ac resistance is higher than a dc resistance. True False

See similar textbooks

Related questions

Q: 440 V alternator operating from a 30 Hp prime mover turning at full capacity oduces 20 kW into a…

A: We will find out effeciency for given input and output power.

Q: A 3-ph, 500-V motor load has a pf of 0.4. Two wattmeters connected to measure the power show the…

Q: a p.d. of 500 V is applied across the winding of an electric motor and the resistance of the winding…

A: Given the winding of an electric motor having, Potential difference across the winding, V = 500 V…

Q: A coil takes a current of 4 A when 24 V d.c. are applied and for the same power on a 50-Hz a.c.…

A: PART (a): For a Coil, Z=R+jXL Where, R= Resistance of the coil, XL=Inductive reactance of the coil.…

Q: Using Nodal analysis find power of current source 24 V 10 N 2A 12 N

Q: In flat plate solar collector, if total surface of the collector is 110 m2 and the shadow effect is…

A: Area of collector surface = 110 m2 shadow effect = 90 %

Q: A 60Hz voltage source of 35 V is applied to a circuit with a 257 ohm resistor, a 0 H inductance…

Q: A coil of resistance 82 and inductance 0.5 H is connected to 110 V d.c. supply. Find (i) rate change…

A: We have an coil of resistance and inductance with, Resistance (R) = 8 Ω Inductance (L) = 0.5 H…

Q: Three coils each having resistance of 25 Q are connected in delta across 425 V, 50 Hz supply. Then…

A: As per the guidelines, we supposed to answer one question at a time so please ask other questions…

Q: An autotransformer having a transformation ratio of 0.62 supplies a load of 2 kW. The power…

Q: (a) Efficiency when supplying half full load at a power factor of 0.7. (b) Load corresponding to…

Q: The effective resistance of a coil is 100 Q. When 12VDC 160 mA of current is measured. The AC…

A: Given that, effective resistance =100 ohm dc supply voltage = 12 Vdc current =160 mA we have to…

Q: 1. A load takes 55kW at 70% power factor lagging from a 240V, 50Hz supply. If the supply is made…

A: As per the guidelines of Bartley we supposed to answer first question only since remaining question…

Q: Which of the following needs water storage: 1. Tidal power

A: Tidal powet plant operates on tides does not require water storage.

Q: Thermal power plants classified according to prime mover and has the highest efficiency is the…

A: The detailed answer is solved below according to the given parameters and instructions.

Q: An energy meter having a meter constant of 1200 rev/kwh is found to make 3 revolutions in 50…

A: Given Energy meter constant k=1200 rev/kwh Number of revolutions =3 Time to make revolution t=50 sec…

Q: 3. A coil has a resistance of 32 ohms and reactance of 24 ohms when connected across a 440V, 60HZ…

Q: EX) Find the power supplied by the volteye sovred TV. 7U 223

A: Let, Current i1 flows in first loop. Current i2 flows in second loop. Current i3 flows in third…

Q: 10kN Vc IB

A: In this question , we will find capacitor voltage...

Q: Which of the following will obey ohm's law? а. Temperature is constant

A: Ohm's Law states that the current flowing in a circuit is directly proportional to the applied…

Q: Three coils each having resistance of 24 Q are connected in star across 408 V, 50 Hz supply. Then…

A: Given that 3-phase line voltage is 408V. Three coils are connected in star with resistance of 24Ω…

Q: Circuit Breakers are placed in severa Power System as part of its Protecti- Select one: O True O…

A: Circuit breaker is a device which can break or make circuit in power system.

Q: Three identical coils, each of resistor 6ohm and inductor 12ohm are connected in star to a phase…

A: Given, Resistance, R = 6 ohm Inductance, L = 12 ohm Phase voltage, Vph = 220 V

Q: Three coils each having resistance of 25 n are connected in star across 415 V, 50 Hz supply. Then…

Q: A transformer converts 460 V into 230 V. The power output is 2.3 kW, how much current is drawn into…

A: Given: A transformer converts 460 V into 230 V. V1=460 VV2=230 V The power output is 2.3 kW.…

Q: A generator produces 8 A at 342 V. The primary coil in a transformer has .57 turns The number of…

A: Transformer voltage and turns ratio is given by V1/V2 = N1/N2

Q: Two coils are connected in series across a voltage supply (V) as shown in the figure below.…

Q: What is the ac current flowing in the circuit shown below? 12 v 1.5kHz 0.1 µF

Q: A machine operates on a 250 V supply at 60 Hz; it is rated at 500 VÀ and has a power factor of…

A: Operate voltage of the machine =V= 250V Apparent power S= 500VA Power Factor = 0.8 Current in the…

Q: In an Electric circuit: Select one: O a. None of them O b. The algebraic sum of power of all…

A: 1. Total power delivered equal to total power dissipated in a circuit so the algebraic sum of power…

Q: An alternating voltage e= 120 sin 314t is applied to a circuit in which an ohmic resistance of 30ohm…

Q: Two coils A and B are connected in series across 200 V, 50 – Hz AC supply. The power input to the…

A: Given two coils A and B are connected in series across the 200 v,50 Hz AC supply Power input to the…

Q: A coil has a resistance of 100 Q at 90°C. At 100°C, its resistance is 101 Q. The temperature…

Q: KCL and KVL apply to any circuit we will ever encounter Select one: O True O False

A: In this question we need to verify the given statement is true or false

Q: Three 12Volts batteries are connectedinparallelto supply a load resistor of 4 ohms. Calculate the…

Q: For an AC source of 0.84V calculate the node voltage V.

Q: 1. Assume the direction of the currents 2. Solve the individual current using KVL junction rule

A: In this question, Find the current in the branch? Assume the direction of the currents 2. Solve…

Q: Q: For the figure shown below find the equivalent resistance for: 1)Ra (2) Rbe (3) Ra (4) Ra a 100…

A: 1. Here they bare there asking equivalent resistance between a and b hence c ,d and e redundant

Q: 6. An electric stove draws 7.5 A from a 120 V dc source. Wha is the maximum value of an alternating…

Q: Given following phantom loads identified in a house, find the energy can be saw annually if the…

A: In this question per hour consumption of phantom loads in a house is given....We have to find out…

Q: A student wants to measure the electric potential difference across the battery for the circuit…

Q: 5. A 440 V alternator operating from a 30 Hp prime mover turning at full capacity produces 20 kW…

Q: An electric stove draws 7.5 A from a 120 V dc source. What is the maximum value of an alternating…

A: Power of heater is given by, Pdc=(7.5×120)W =900W Resistance of electric stove (Heater) is…

Q: Determine the value of Vab (you may apply KVL) and Zt

A: Determine the value of Vab (you may apply KVL) and Zt

Q: Using any appropriate method, Calculate the current total current I and the total power.

Q: Three coils each having resistance of 28 Q are connected in star across 434 V, 50 Hz supply. Then…

A: Need to find power

Q: An 8 kVA motor operates at a 0.75 power factor, the real power is then: Select one: O 60 KW 600 W…

A: As per the guidelines of Bartleby we supposed to answer first question only for remaining questions…

Q: It is possible to obtain two levels of voltages from two wire DC system. Select one: O True O False

A: This is a good question kn basic power system analysis. Have a look at the below explanation:-

Q: Two coils are connected in parallel across 200 V, 50 Hz mains. One coil takes 0.8 kW and 1.5 kVA and…

A: In this question, Two coils are connected in the parallel. calculate the single coil which would…

Q: A generator supplies power to a factory through cables of total resistance 20 ohms. The potential…

Question

Three coils each having resistance of 17 Q are
connected in star across 415 V, 50 Hz supply. Then
the total power consumed is
5849.24 W
595.97 W
718.82 W
O 30392.65 W

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

An impedance coil takes 10A and absorbs 250 W when connected across a 220V, 60Hz source. What power will it absorb when connected across 110 V, 25 Hz mains? a. 539 W b. 239 W c. 439 W d. 339 W
What will be the value of the twiddle factor: W42
Please show you detailed solution Number 10 A voltage of 250 volts at 50 Hz is impressed on a circuit having a 60-ohm resistor, 35-?F capacitor, and a 0.25-henry inductor in series. Determine power factor. A. 0.979 C. 0.924 B. 0.862 D. 0.707
A utility company plans to connect a total of 20uF of capacitance to a 7200 volt line. To make this connection four capacitors will be connected in series. What is the capacitance of each capacitor? Answer is 80uF. What is the minimum AC voltage rating of each capacitor? Answer is 1200 volts. What is the current flow through the circuit? And what is the minimum kVAR rating of each capacitor?
In the figure: R1 = 1439.170, R2 = R1 and R3 =2R2, then determine the value of the voltage source E. a 8 mA 10 mA 2 mA RT R1 R2 R3 O 25.33 11.51 O 17.27 15.43 13.82 +
When a voltage of 100V at 50Hz is applied to an impedance coil A, the current taken is 8A and the power is 120 W. When applied to an impedance coil B, tue currents is 10 A and the power is 500W. What current and power will be talen when 120V, 60 Hz is applied when two coils are connected in parallel?
57. An RLC series circuit connected to a 110-volt and 50-cycle AC source, contains the following series resistances and reactances: R1=10 ohm, R2= 15, XL1=20 ohms, XL2=25 ohms, XC= 40 ohms. Find the following a. Total inductance in millihenry b. total current c. reactive power
AC xuf lac V ac 21. The simple AC powered circuit above is being measured for AC current and voltage across a 1uF capacitor. The measured current is 200mA and the measured voltage is 40V. (note: 2 separate questions follow) a. Calculate the capacitive reactance, Xc. b. Calculate the voltage frequency.
Determine Rz for a 12 V Zener regulator is used with a dc input of 20 V, a load current of 65 mA, and a Zener current of 20 mA. Rz DC Input Zener R diode 91.4 ohms O 14.9 ohms 49.1 ohms O 94.1 ohms
1. A load of 50 ohms resistance and 0.4 H inductance are connected in series to 100 volts, 60 hz a-c source. What must be the value of the capacitance to be connected in parallel to the circuit to raise the power factor to 0.96 lagging. Draw the circuit diagram.
an ac circuit produces a current of 1-j2 amperes. If the voltage is 10∠0 or just 10 volts. Find the reactance. Is it inductive or capacitive? What is the power factor?please I need answer. Thank you
A 200 V/100 V, 50 Hz transformer is to be excited at 40 Hz from 100 V side. For the exciting current to be constant, the applied voltage should be ?