72. In 132 kV system, the phase to ground capacitance is 0.01 µF and inductance is 6H. The voltage that appears across the contacts of circuit breaker if a magnetising current of 10A is interrupted is

72. In 132 kV system, the phase to ground capacitance is 0.01 µF and inductance is 6H. The voltage that appears across the contacts of circuit breaker if a magnetising current of 10A is interrupted is

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

See similar textbooks

Related questions

Q: Find the equivalent inductance between A and B if L₁ = 6 H, L₂ = 6 H, L3 = 20 H, L4 = 8 H and L5 =…

A: Given circuit, L1=6 HL2=6 HL3=20 HL4=8 HL5=10 H

Q: Discussion of power quality aspects that need to be considered before installing the power factor…

A: power factor correction aims to improve power factor and therefore power quality. It reduces the…

Q: A symmetrical fault occurs on a power system. The percentage reactance of the system on 2500 base…

A: Given: A symmetrical fault occurs in a power system with, Base kVA = 2500 kVA. Percentage reactance,…

Q: 13. If the percentage reactance of the system upto the fault point is 20% and base kVA is 10,000,…

A: Given, Percentage reactance of the system up to fault point, % X=20 % Base kVA rating is 10,000 kVA.

Q: Three electric resistance heaters of length L = 250 mm

Q: A 4-pole d.c. shunt generator has 36 slots with 10 conductors in each slot. The flux is 0.03 wb and…

Q: A transistor uses potential divider method of biasing. R, = 50 k2, R₂ = 10 k and R = 1k2. IfVcc = 12…

A: We have an transistor that uses a potential divider method of biasing, and, R1 = 50 KΩ R2 = 10 KΩ RE…

Q: C₁ = [0.05P2 + 20P₂ + 30]; $ hr C₂ = [0.056P2 + 15P₂ +40]; hr Here P₁ and P₂ are in MW. Each…

Q: A d.c. A shunt generator delivers a load current of 80 A at 400 V. Its armature and field…

A: Solution: Given data: shunt generator: V=400 V, load current IL=80 A, armature resistance Ra=0.2Ω,…

Q: Design a 18 person voter system using 4 bit parallel adder(s) only. Use a minimum number of…

A: Given components: 4-bit parallel adders To design: An 18-person voter system using a minimum…

Q: A 2-wire feeder carries a constant current of 250 A throughout the year. The portion of capital cost…

A: We have an 2-wire feeder which carries a constant current of 250 A throughout the year. We need to…

Q: Question 1 The unit of magnetic flux density B is; 1. a) Tesla per sq. m. 2. b) Tesla 3. c) Weber 4.…

Q: A 50 MVA, 11 kV three-phase alternator was subjected to different types of faults. The fault…

A: We have been given an 3-phase 50 MVA alternator which was subjected to different types of fault.…

Q: d Construct the truth table for the following circuit: D D -

Q: A power amplifier has an input power of 1.67W and an output power of 200W. What is the power gain in…

A: Given, A power amplifier has, Input power Pin=1.67 W. Output power P0=200 W.

Q: Determine the efficiency of a high frequency induction furnace which takes 10 minutes to melt 1.815…

A: To determine the efficiency of a high frequency induction furnace, we need the specific heat of…

Q: 5.18 Consider the two-port network as shown. The hybrid parameter his (a) (c) 04 V₁ ww R₁ (aR3 + R₂)…

A: Given two port network,

Q: In the centre-tap circuit shown in Fig. 6.31, the diodes are assumed to be ideal i.e. having zero…

A: WE have an center-tap circuit as shown in figure, We need to determine, DC output voltage Peak…

Q: a-) find the total current through the loop b-) Find the current density

A: a) The current in the loop is circulating as There is 3 section in the system.Section Idr→0,…

Q: (2) Q1/ To Design parallel adder that add two numbers A (5-bit) and B (7-bit) must using None of…

A: Given data, Adding two numbers, A (5-bits) B (7-bits)

Q: A digital system has a clock generator that produces pulses at a frequency of 80 MHz. Design a…

A: Given data, Frequency, f=80 MHz=80×10-6 Hz

Q: дноши for the lossless transmission lin below, the n is driven with a generator that has Eg=30 Vrms…

A: Given, Z0=50 Ωl=50 cmEg=30 VZg=25 Ω VSWR = 3.7

Q: A signal of 10 V is applied to a 50 2 coaxial transmission line terminated in a 100 load. The…

A: Given, Load impedance, ZL=100 Ω Input impedance, Zin=50 Ω Voltage reflection coefficient, Γ=?

Q: A long shunt generator supplies a load of 5.5 kW at 110 V. Shunt field. series field and armature…

Q: For the following graph find the fourier series?

Q: Determine the current I (with direction) for the networks shown. 1 6Ω 80 V 3Ω 26 V

A: Given circuit:

Q: Calculate the distribution factor for a single-phase alternator having 8 slots/pole (1) when all the…

A: We have been asked to find the distribution factor (Kd) of the a single-phase alternator having 8…

Q: A parallel resonant circuit has a capacitor of 250pF in one branch and inductance of 1.25mH plus a…

A: One capacitor in one branch and Inductance and resistance in series and this combination is in…

Q: A d.c. 2-wire system is to be converted into a.c. 3-phase, 3-wire system by the addition of a third…

A: A DC 2-wire system is to be converted into 3-phase 3-wire system. We need to calculate the…

Q: : The no load current components of a current transformer are. magnetizing component = 102A core…

A: We have been given no load current component of the current transformer which are, Magnetizing…

Q: Find the attached file.

Q: a) Based on Figure Q1(a), prove that the voltage across resistor R3 is; R3 R₁ + R₂ + R3 VR3 = V₁ VRI…

A: Given circuit: To prove: Voltage across resistor R3 is VR3=R3R1+R2+R3VT.

Q: Consider a continuous-time signal x(t) defined by x(t) = 0 for |t| > 1, and x(t) = 1 - It| for It| ≤…

A: Given- Continuous time signal- xt=0 for t>1&xt=1-t for t≤1 To Find- The maximum magnitude of…

Q: A 220 V, 4 pole d.c. A shunt motor has a flux counterpole of 15 mWb and 1800 armature conductors…

A: Solution: Given data: shunt motor; V=220 V, pole P= 4, ϕ=15 mWb =15 * 10-3 Wb, armature conductors…

Q: What is a spike in noise term

A: ANSWER NOISE---> Noise is a…

Q: 2.21 For the circuit of Figure 2.54, you want to determine (a) IL, (b) VSWR and (c) Zin. (d)…

A: Given, Characteristic impedance Z0=50Ω Load impedance ZL=30+j6.37×10-9Ω Length L=λ8 Source voltage…

Q: If reflection coefficient for voltage be 0.6, the voltage standing wave ratio (VSWR) is?

A: Given, Reflection coefficient for voltage, Γ=0.6

Q: The current in the circuit shown in the figure is 0.20 A. What is the potential difference AVat…

A: Given circuit: Current, I=0.20 A. Resistance, R=30 Ω Applied voltage through battery, ∆Vbat=?

Q: Simplify the following functions, and implement them with two level NAND gate circuits: F (A, B, C,…

A: It is given that: F (A, B, C, D)=A′+B+D′+B′C

Q: Q2:- For the series-parallel network of Fig. 1: a) Calculate Zr and Yr.b) Determine Ir and h.c) Find…

A: It is given that:

Q: A 60 MVA, 3 phase, 11 kV synchronous generator is protected by the Merz-Price protection using 1000/…

Q: A single-phase transformer, with primary turns of 500, is delivering full-load of 80 kW at a lagging…

A: As per our guidelines when student asks multiple subpart questions , we have to answer only first…

Q: Q27. A 15 V source is connected across a 120 resistor. How much energy is used in three minutes? 938…

A: Given V= Voltage = 15V R= Resistance = 12 ohms Time = 3 minutes The energy used in the given time…

Q: Find the node voltage at node 1 in the following circuit. 192 352 www 10A 1092 :502 €10V

A: Given circuit,

Q: 3 Find the F.T. of the following periodic signal. -2 X (W) 2TT 2 I Cn. S(w-nwo) 31-0

A: A function's differentiation in the time domain is equal to multiplying its Fourier transform by a…

Q: A three phase six pulse converter having input 430 V, 50Hz supply is controlling a de motor. Motor…

Q: If the input to an amplifier is 12 V and the output is 6 V, and the input and output impedance are…

A: Given- Input voltage Vin=12 V. Output voltage Vo=6 V. To Find- dB gain of the amplifier.

Q: 4 If the supply frequency of a certain electro-magnetic structure is doubled while the applied…

Q: The magnetic flux passing perpendicular to the plane of the coil and directed into paper (See Fig.…

A: We have been given that magnetic flux perpendicular to the plane of the coil and directed into the…

Q: 2. What is the current through R₂? VS1 15V R1 68 A. 3.19 A B. 319 mA D. C. 1.73 A 173 mA VA R2 30 22…

A: Circuit is given as;

Question

72. In 132 kV system, the phase to ground capacitance is 0.01 µF and inductance is
6H. The voltage that appears across the contacts of circuit breaker if a magnetising
current of 10A is interrupted is

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 with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Sinusoids and Phasors of Alternating Circuit

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

A parallel connection of a RL branch with a C branch is connected across a 100V AC mains. At first R = 10 ohms, L = 20mH and frequency of 1000rad / s, the current measured is 2.2361A at 89.44 leading power factor. A) Determine the initial capacitance. B) However, a fault occurs on the capacitor branch making its capacitance 20% lower and a resistance of 5 ohms is detected. If this faulty circuit is rerun but at a frequency of 500 rad / s, determine the new current that will flow through the circuit.
For figure (1)draw and calculate the voltages waveform across each half of secondary winding and across load when 100sin2π60t applied across the primary, then find PIV.
Transformers
6. What is the effect of load inductance on the ripple current? 7. i effect of chonnine Bock and boost 8. Wh 9 What chopping 10. At what duty evcle does the load current rinnle current he
Stator core of alternator is built up of steel sheet lamination of thickness between a) 0.35 mm to 0.5 mm c) 0.25mm to 0.35mm b) 0.5mm to 0.85mm d) Imm to 1.25 mm
Question 6 What is phase angle of voltage induced in primary and secondary windings of transformers due to mutual flux? Same Opposite Zero None of option A Moving to another question will save this response. AR e IT:7
Which of the following statements is/are true? (A In purely inductive circuit, the current leads voltage. (B) In purely resistive circuit, the current lags voltage. C In purely resistive circuit, the current is in phase with voltage. D In purely capacitive circuit, the voltage lags current.
Which of the following statements is/are true? A In purely resistive circuit, the current lags voltage. (B In purely capacitive circuit, the voltage lags current. In purely resistive circuit, the current is in phase with voltage. D In purely inductive circuit, the current leads voltage.
Q5/C: Compare between Auto transformers and 2 winding transformers.
Q1- The given ferromagnetic core relative permeability is 800. Determine the total reluctance of the core. 35 cm 10 cm 20 cm 5 cm 15 cm 45 cm 15 cm 15 cm 10 cm
QUESTION 19 E-06, PC-02. Three inductors 15 mH, 15 mH and 15 mH are connected in series. What is the total inductance? O 5 mH. Without knowing the coupling factor the total inductance cannot be found. 45mH. QUESTION 20 E-06, PC-05. Why are the iron cores of most induction coils laminated? To increase the core permeability. O To reduce the core reluctance. O To reduce the effects of eddy currents. Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Air 888 F7 FB F6 F4 F3 F2 & 23 $ 4 5 0 8 3 Y W E と S D S F G >> J しのくつつ >
The number of disc insulators used in a suspension insulator setup with string efficiency 80 %, phase voltage 33 kV, and the voltage across insulator nearest to conductor 9 kV is