Answered: True False The critical speed in a DC…

True False The critical speed in a DC shunt generator is the speed of the DC generator at which shunt field resistance is represents the critical field resistance

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: A permanent magnet dc motor has a rotor radius of 1.3 cm, magnetic thickness of 0.25cm, and a gap…

A: Electrical machines can be either generator, transformer or motors. They can be either Ac machines…

Q: An ideal dc generator has regulation of 40% O 20% 30% O Zero

Q: A dc generator is run at 500 rpm. The eddy current losses and hysteresis losses are found to be 100…

Q: In DC generators, lap winding is suitable for ) high voltage, high current low voltage, high current…

Q: 1.Two identical shunt generators running in parallel, each with armature resistance of 0.02 ohms and…

Q: A DC generator with 8 pole, duplex lap winding excited with a flux of 3mWb/ pole. The number of…

A: Given: A DC generator with number of pole, P=8. Multiplexity of lap winding, m = 2 (duplex winding).…

Q: . What are the various losses in an induction motor? On what factors do they depend

A: The fallowing are the various losses that occur in an induction motor:

Q: Q- In a DC generator, what will be change in emf induced if flux is reduced by 20% and the speed is…

A: Given - Flux reduced by - 20%, Speed increased by - 20%, To find - Change in EMF.

Q: na dc machine when the number of parallels paths is (a) and the number of poles is (p), chus for lap…

A: Given In lap winding DC machine Number of parallel paths = a Number of poles = p

Q: A wave wound armature of an eight-pole DC shunt generator has 51 slots, each

Q: In dc machines, armature windings are placed on the rotor because of the necessity for…

Q: A four-pole, wave-wound generator has 220 coils of 10 turns each. The resistance of each turn is…

A: Given: A generator with, Number of poles, P=4 Wave wound, A=2 Number of coils is 220. Number of…

Q: A magnetic ring has reluctance of 1.675 x 106 AT weber. The flux to be produced by the coil is 800 x…

A: Given a magnetic ring has, Reluctance = 1.675×106 ATweber Flux = 800×10-6 weber.

Q: When the field current (If) is increased towards its rated value in the DC shunt generator, the…

A: Given, DC shunt generator, If, field current is increased

Q: The emf induced in the dc generator armature winding is * O AC and DC O DC O None of the above O AC

A: In dc generator Emf induced in Armature winding is AC only

Q: The frequency of voltage generated in SG depends on: Select one: a. Number of poles b. number of…

A: The synchronous speed of SG is So the frequency of voltage generated in SG depends on number of…

Q: 1. The operation of Commutator in DC Motor is O a) to convert dc to ac O b) to convert ac to dc O c)…

Q: d.c. shunt generators in parallel, ench having an armature resistance of 0.1 0, running at the same…

Q: and 1- The compole is used to - 2- A 4-pole wave winding machine has ------- magnetic circuit. 3- A…

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part…

Q: A 4-pole, wave of 300 turns eac

A: Generally there are two types of winding configuration is used for DC machine: Lap winding and wave…

Q: A 6 pole, 50 Hz, 1-phase Induction Motor runs at a speed of 900 rpm. The frequency of currents in…

A: Given an induction motor with, Total number of poles, P = 6 Frequency, f = 50 Hz Rotor speed, Nr =…

Q: In DC shunt generator, the load characteristics is drawn between

A: In DC shunt generator,load characteristics is drawn between the terminal voltage and load current.…

Q: In DC machines the number of parallel paths for a wave winding ger Select one: O a. Three h Two

A: There are two type of winding in DC machine . 1. Lap winding 2. Wave winding.

Q: The frequency of rotor current in an induction motor is slip times the frequency of stator…

A: The frequency of the rotor is based on the value of slip and input frequency. The slip value can be…

Q: A 6 pole wave wound d.c. shunt generator has 500 conductors. A generator delivers 50 kW of power at…

Q: A P=15 Kw a shunt generator with load voltage is 300V and resistace of the shunt field and armature…

A: Given: A dc shunt generator having P=15 kWVL=300 VRsh=50 ΩRa=0.5 Ω

Q: The load characteristic curve of the DC generator is the relationship between the O Load current and…

A: Correct answer is Load voltage and load current the load characteristics are also called external…

Q: Two 36 AC generators are such that one has twice the linear dimensions of the other. The field…

A: Solution: Let For Generator 1, Length=l1 Diameter=D1 For Generator 2, Length=l2 Diameter=D2…

Q: The armature reaction occurs when a separately excited generator supplies rated load: Is always…

Q: Mention factors causing a permanent magnet generator not to generate emf

A: The reasons causing a permanent magnet generator not to generate emf are as follows:

Question

True
False
The critical
speed in a DC
shunt
generator is
the speed of
the DC
generator at
which shunt
field
resistance is
represents
the critical
field
resistance

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

Mathematical Modeling of Mechanical System

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

5a. What is E2=? 5b. What is E3=? 5c. What is the potential difference of b relative to point a (V_ba)?
An LM317 is connected between two decoupling capacitors. There is a 220ohm resistor between the output pin and the adjust pin. Note the voltage drop between the output and adjust pins is 1.25V. Find the resistor needed between the Adjust pin and ground to ensure 5 V is dropped across the load. Enter your answer in ohms: _ohms
i just want a paragraph of these sensors and their function and which is best then the other.PZT-5HPZT-5JModif. PZT-5A
For self bias configuration. Solve for Ib and Ic. ... 4 RC 15002 RB VCC 5 16V 100A/A 80 kQ Re 10002 Ib=Blank 1 HA Ic=Blank 2mA
Please solved it in 30 min q
Help with 140 please. Figure is below
Realized a 4X1 multiplexer in the block diagram shown below. What is the output equation of the given multiplexer? Also draw the circuit diagram. N.B: Follow the instruction given in the figure to choose the input and output names. "First Letter of your Name"| 10 I1 | "Third Letter of your Name" 4X1 "Second Letter of your Name MUX 12 13 B
Peak input voltage =(from graph) ?Peak output voltage = (from graph)?DC voltage across RL = ?ripple factor=?
Q/A230U Seperately-exated de generador has the followingec charactenstics when run at looe field CA2 1.5. 0.5 2-0 2.5 3 3.5 4 lalkage lo 60 120 170:21024o 260 275 225 The Full load Current is 500A, the Yesistance of armadee is D.022 iL the oirmature reaction effect reduce the Field by 5% ond the speed of the pame meler also Foalls by 3%. Find the value of the fiela Current to mntain temnal Veltage of 230 on full load
Write out the detailed process ,step by step
Refer to the following figure. The circuit is a @ Battl www Oa. Positive limiter with positive bias O b. Negative clamper OC. Negative limiter with negative bias Od. Positive clamper
Only d) deatils rae important so laeve/ jump nothing unexplained