A 3-phase star-connected alternator is rated at 1600KVA, 13,500V. The armatureeffective resistance and synchronous reactance are 1.5-ohm and 30-ohm, respectively perphase. Calculate the percentage regulation for a load of 1280kW at power factor (a) 0.8leading and (b) 0.8 lagging.

Answered: Image /qna-images/answer/7e861109-bf85-4257-b9fa-16b6939ac583.jpg

Answered: hase star-connected alternator is rated…

hase star-connected alternator is rated at 1600 tive resistance and synchronous reactance are e. Calculate the percentage regulation for a loa ng and (bLO S d. lagging

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Related questions

Q: sformer 1200 KVA, 11000/2200 V, 50 Hz e reactance/phase of the primary winding ar ding values for…

Q: Harmonic Frequency 50 Hz 250 Hz 350 Hz 450 Hz Current Amplitude 5A 2.1 A 1.5 A 0.8 A The current…

A: Given,

Q: For a leading pf load on an alternator mean that its voltage regulation shall be * positive O…

Q: 27 in crlinr cal rotor SYchronous Genrator (8) what is the relation Bet ween the Angle( in the Plot…

A: There are leading and lagging Power factor phasor diagrams given.

Q: The open circuit characteristics (O.C.C) of an alternator is drawn between O Eo V/S Ir O E, V/S Isc…

A: To find open circuit characteristics, the Terminal voltage of the alternator is open-circuited or…

Q: A synchronous generator generates 310 V at 50 Hz when the field current is 4.1A. The e.m.f generated…

Q: A 3 phase 10 pole 600 rpm delta connected alternator has 12 slots/pole with 8 conductors per slot.…

A: Determine the rms value of the phase, line voltage and circulating current.

Q: Instantaneous power output of a single phase 60 Hz generator will not be constant under following…

A: Instantaneous Power: Instantaneous power is defined as the electric power available at any given…

Q: An isolated 50 Hz synchronous generator is rated at 15 MW which is also maximum continuous power…

A: An isolated 50 Hz synchronous generator rated at 15 MW, Droop=5%, Three loads of 4 MW each at 50 Hz,…

Q: A synchronous generator is generating 330 V at 60 Hz at a field current of 3A. The e.m.f generated…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: A synchronous generator has 15 slots per pole. If each coil spans 7 slot pitches, the value 0.5877…

A: Pitch factor (Kp)=cosα2Coil span angle =βshort pitch angle =α(β)+ (α)=180°

Q: Which cannot be said since Z is an inductive load in the circuit given below? A) load voltage period…

Q: For alternator having fractional pitch winding of 11/15 the coil span is O 4.28 O 2.30 O 72.00 O…

Q: A synchronous machine is generating power of 2.6 MW, If the machine can deliver a maximum power of…

A: Given: P=2.6 MWPem=3.7 MW

Q: Q5) An alternator has 36 slots per pole. One coil lies in the slots number 1 and 31. Calculate the…

A: The question is about winding pitch.

Q: synchronous generator generates 345 V at 55 Hz when the field current is 3.5A. The e.m.f generated…

Q: The alternator frequency is direct function of rotational speed and number of poles. O True O False

Q: An alternating f.e.m generator has an effective value of 2000 V and a frequency of f=100 Hz. Find…

A: An alternator f.e.m generator has,The effective voltage of the generator, .The frequency of the…

Q: A 4-pole, 3 phase, 50 Hz, wye-connected alternator has 44 slots with 60 turns in each coil and…

Q: An alternating f.e.m generator has an effective value of 2000 V and a frequency of f=100 Hz. Find…

A: The effective or RMS voltage of the generator, The frequency of the output voltage of the generator,…

Q: operating frequency

A: Given- Power factor= 0.8 Frequency= 62 Hz Damping coefficient= 2 MW/Hz Power= 2 MW

Q: Before closing the synchronism switch to connect two alternators in parallel, it is observed in a…

A: Given: A set of 3 lamps

Q: A synchronous generator has 12 slots per pole. If each coil spans 7 slot pitches, what is the value…

A: Slot angle=180slot per pole. pitch factor=cos(slot pitch angle in degree 2)

Q: 02Agle phae aveltag cnterin the figure elm haaret ad of end the ingut vetape i 1201, se l. The deles…

A: We will derive output rms voltage from the given firing angle. From obtained output rms we will…

Q: Tor F AC voltages and current listed on ac products are generally rms values.

A: We need to about the given statement is true or false.

Q: In a semiconductor crystal, the atoms are held together by O Forces of repulsion O lonic bonds O…

A: In the semiconductor crystal, The atoms are together by sharing the electron pairs. And The bond…

Q: 1. Sinewave A lags sinewave B by 30°. Both have peak values of 15V. Sinewave A is the reference with…

Q: 3.The voltage generated across one inductor of an alternator is 8.11V. There are 120 slots and 4…

A: The e.m.f induced in one conductor = 8.11 V No. of slots (S) = 120 Synchronous speed (Ns) = 720…

Q: A delta-connected alternator has 12 slots per phase-pole. Determine the belt factor.

Q: 2. Three series loads are drawing 20A ms current through a 60HZ source. Load 1 is an 400W, 0.8…

Q: Instantaneous power output of a single phase 60 Hz generator will not be constant only under…

A: Instantaneous Power - The power at a particular point is referred to as instantaneous power. In…

Question

A 3-phase star-connected alternator is rated at 1600KVA, 13,500V. The armature
effective resistance and synchronous reactance are 1.5-ohm and 30-ohm, respectively per
phase. Calculate the percentage regulation for a load of 1280kW at power factor (a) 0.8
leading and (b) 0.8 lagging.

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 synchronous generator with 5 pole pairs should have revolutions per minute to generate a sinusoidal voltage with a frequency of 60 Hz?
If a Load absorbs 20 kVA at a leading power factor of 0.6. Then the complex power is: Select one: O a. 12000 - j16000 VA O b. -12000 + j16000 VA Oc. 12000 + j16000 VA O d. None of these
A 3-phase squirrel cage induction motor draws 10 kW from mains when loaded at a slip of 0.05. The stator losses and mechanical losses are 1 kW and 550 W respectively. Its efficiency is
3 Determine the current flowing I, given that the D1 is a Silicon type diode (Non-anonymous question) * 2 ΚΩ www R E₁ = 24 V D₁ D₂ E₂=4 V
Sine wave A has a positive-going zero crossing at 40°. Sine wave B has a positive-going zero crossing at 45°. Determine the phase angle between the two signals. What signal leads ? A Y-connected system can have wires. The (resultant) voltage between the hot legs (135V) is The phase angle between the phase voltage and the line voltage of a A-connected generator is degrees. The phase current produced by a certain 20V, Y-connected generator is 12A. The corresponding line current is A certain A-connected generator produces phase voltages of 30V. The magnitude of the line voltages are When the turns ratio of a transformer is 20 and the primary ac voltage is 6V, the secondary voltage is If 20W of power are applied to the primary of an ideal transformer with a turns ratio of 8, the power delivered to the secondary load is The turns required to match a 500 source to a 1000 load is
3- Determine the coil span for 3-phase, two pole alternator, the pole pitch is equal to 18 slots and the coil span factor is
3. A dad ful comirester, Conneet ed to 230 v, fo Mz. Sousie bf. feedng a locel R: 10 n n senies wish a levnge Induadomre thad makes the load lenent rippie free · for a firing anyle of ur°, ewewlade the input and oatpud performante panametess of thik comveater.
No Handwriten please
The primary is 3000 turns, while the secondary is 6000 turns a. single-phase b. double-phase c. step-up d. step-down
In a huge or large capacity rating alternators, the moving part is