Daily load cycle Region A load. Region-B-load. Midnight to 5.am - No-load Midnight to 6.AM → 400 kw Sam to 8.a.m→ 1200kw 8am to 11am 800 kw 6 p.PM No-load 6am to 3pm > gookw 3pm to 7p.m No.load Apm to 9 P.M → 1800kw 11.am to 6 P-M to Midnight & bookw On • Combining 19. Pm to Mignight - 200kw both Reglen, the daily profile is as follars. • Midnight to 5.α.m→ 400kw 6am 1600 kw 5.am to 6 am to 8.9.3 2100 kw Where did it 8am to 11 am 1700 kw come 11 am to 3pm + 900kw 3 pm to 6pm to 7pm to 6 p.m 06 7pm 600kw 9 PM 2400 kw from = S 2 a

Daily load cycle Region A load. Region-B-load. Midnight to 5.am - No-load Midnight to 6.AM → 400 kw Sam to 8.a.m→ 1200kw 8am to 11am 800 kw 6 p.PM No-load 6am to 3pm > gookw 3pm to 7p.m No.load Apm to 9 P.M → 1800kw 11.am to 6 P-M to Midnight & bookw On • Combining 19. Pm to Mignight - 200kw both Reglen, the daily profile is as follars. • Midnight to 5.α.m→ 400kw 6am 1600 kw 5.am to 6 am to 8.9.3 2100 kw Where did it 8am to 11 am 1700 kw come 11 am to 3pm + 900kw 3 pm to 6pm to 7pm to 6 p.m 06 7pm 600kw 9 PM 2400 kw from = S 2 a

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

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.3MCQ: The amplitude of the sinusoidal symmetrical ac component of the three-phase short-circuit current of...

See similar textbooks

Similar questions

A 500 MVA synchronous machine has H, = 5.6 MJ/MVA and a 1200 MVA machine has H₂ = 2.0 MJ/MVA. The two machines operate in parallel in a power station. What is the equivalent. H constant for the two, relative to a 100 MVA base?
A generation station of 3 MW supply a two region A & B .The load variation of these regions is as follow: Region A (Time) From midnight from 4a.m to From 10a.m to From 5p.m to to 4a.m 10a.m 5p.m 7p.m From 7p.m to midnight Load(kw) 800 500 NO load 300 100 Region B (Time) From From From From From midnight 6a.m to 2p.m to 4p.m to 9p.m to Load(kw) to 6a.m 300 2p.m 4p.m 9p.m midnight 600 No load 800 1100 With neglect transmission line losses. Find the load factor, diversity factor, reserve capacity,plant use factor.
Please, I do not want a theoretical solution or using artificial intelligence. I want a solution on paper using the mathematical laws of the topic
The amplitude of the sinusoidal symmetrical ac component of the three-phase short-circuit current of an unloaded synchronous machine decreases from a high initial value to a lower steady-state value, going periods through the stages of __________ and ________ periods.
The amplitude of the sinusoidal symmetrical AC component of the three-phase short-circuit current of an unloaded synchronous machine decreases from a high initial value to a lower steady-state value, going through the stages of and periods. Fill in the Blanks
A SERIES CIRCUIT CONSISTING OF AN 80- OHM RESISTOR, A 0.30 HENRY INDUCTOR AND A 50-uf (MICROFARAD) CAPACITOR IS CONNECTED TO A 120-VOLT 60+ CYCLE SOURCE C ALCULATE THE FOLLOWINC : (A.) EQUIVALENT IMPEDANC E OF THE CKT, (B.) CURRENT (c.) VOLTAGE DROPACROSS THE SEVERAL UNITS (D.) POWER AND POWER FACTOR,
A three phase star connected, 1500 kVA, 13 kV alternator has an armature resistance of 0.9 ohm and a synchronous reactance of 8.0 ohms. When carrying rated load voltage, calculate the generated voltage per phase at loads of a. Unity P.F. b. 0.8 lagging P.F. c. 0.8 leading P.F. d. Calculate the voltage regulation for each loads and determine best regulation.
b) Two synchronous generators, G2 and G2, are connected parallelly supplying a load. Generator G1 has a no-load frequency of 50.5 Hz and a slope of 300 MW/Hz. Generator G2 has a no-load frequency of 50.2 Hz and a slope of 500 MW/Hz. The load consumes 250 MW real power. (1) At what frequency does this system operate, and how much power is supplied by each of the two generators? (ii) An additional 100 MW load is added to this power system. What is the new system frequency, and how much power do G1 and G2 supply? (iii) The governor set point of G2 is changed to control system frequency back to 50 Hz. Determine the G2 governor set point.
2. a) Explain the terms load factor and diversity factor. b) Discuss the advantages of interconnected grid system. c) A generating station is to supply four regions of load whose peak loads are 10 MW, 5 MW, 8 MW and 7 MW. The diversity factor at the station is 1-5 and the average annual load factor is 60%. Calculate: (i) the maximum demand on the station, (ii) annual energy supplied by the station and (iii) suggest the installed capacity and the number of units.
Please and thank you
8. Two 3-Ø synchronous mechanically-coupled generators operate in parallel on the same load. Determine the KW output and P.F. of each machine under the following conditions: Synchronous impedance of each generator 0.2+j2 ohm/phase, Equivalent impedance of the load 3+j4 ohm/phase Induced e.m.f. per phase, 2000+j0 volt for machine I and 2200+j100 volt for II. [Ans. output of GI: 399.2KW(3-Ø), 0.6062 & output of GII: 747KW(3-Ø), 0.596]
A 80 MVA synchronous generator has Xs = j8Ω. The generator is supplying itsrated power to an infinite bus at a voltage of 33KV and a power factor of 0.9lagging.Determine the following:a) The generator emf (E) and the power angle.b) The maximum power (Pmax) that the generator can supply and the armaturecurrent (Ia) in this case (i.e. when the power is maximum) and what is thepower factor?