While preparing COPT, if identical generators are available in the system, it will follow rule a. Binomial Distribution b. Loss of Energy Probability O . Deterministic O d. Loss of load probability
Q: A 700 kW, 60 Hz generator A, with 2.0% speed regulation, is operating in parallel with generator B…
A: Electric generator- An electric generator is also known as a dynamo or an alternator. It is a device…
Q: A 1000KVA, 6.6 kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as…
A: The circuit diagram for the synchronous generator is shown below:
Q: . What is the advantage of the bimetal type of industrial overload unit?
A: Two basic types of overload relays are as follows. Solder-melting type. Bimetal strip type.
Q: A three-phase, 60 Hz synchronous generator in Fig. 1 delivers 0.9 per-unit real power at 1.08 per…
A: a) Total reactance of the circuit is calculated as follows: Xeq=0.1+0.2×0.30.2+0.3=0.1+0.060.50.22…
Q: In a long-shunt compound generator, the terminal voltage is 220 V when generator delivers 110 A.…
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Q: Q.6: A (500 MW) synchronous generator is delivering (100 Mw) to infinite bus through the unit…
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Q: The voltage regulation of synchronous generator is defined as the rise in voltage when the load is…
A: Voltage regulation:- it is defined as the measure of change in the voltage magnitude between the…
Q: Is the parallel operation of shunt generators stable if their characteristics are not identical?…
A: Parallel operation of DC generators is required to meet the extra load demand. It is always…
Q: A 1000 kVA, 6.6 kV, 3-phase star connected cylindrical pole synchronous generator has a synchronous…
A: Given values are - S=1000kVAVt=6.6kVXs=20ohmUnity power factor.cosϕ=1
Q: 5- Why should the terminal voltage drop more in the case of shunt generator than in the case of…
A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…
Q: In a long-shunt compound generator, the terminal voltage is 220 V when generator delivers 110 A.…
A: According to question diagram would be, Given parameters: V=220 VI= 110 ARsh=90 ΩRse=0.025ΩRd=0.04…
Q: Discuss system demand and generator loading
A: System demand System demand management (SDM), also called as management control (DSM) or…
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Q: Explain about PI Control of the Integrating Pumped Tank Process
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Q: Problem 3: Consider the single generator connected to the infinite bus system with two transmission…
A: The transmission line equation may be used to determine the length of a line that provides the most…
Q: A 3-phase synchronous generator is connected to an infinite bus with line-to-line voltage of 8660.3V…
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Q: 4- Is there a great difference between long and short shunt compound generator, show that?
A: Compound Generator: The generator which have both shunt fields and series fields is called the…
Q: a) Two thermal generator units have the following incremental cost curves then determine the…
A: The incremental cost functions are given as F1=0.22+0.16 P1F2=0.48+0.41 P2and Unit 1:…
Q: 5.9 Explain, with the aid of suitable diagrams, how incorrectly positioned Arushes can cause the…
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Q: 4.2.Two generators, G1 and G2, have no-load frequencies of 61.5 Hz and 61.0 Hz, respectively. They…
A: In this question we need to find a system frequency and the power contribution of each generator…
Q: A 100KVA, 6.6 kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as…
A: Given: A 100KVA,6.6kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as…
Q: Q.3: Two separately excited DC generators are connected in parallel to supply a total load current…
A: Given For Generator G1 Ra1 =0.2 ohm Induced emf E1 =400 V Constant loss = 5 KW For Generator G2…
Q: A three-phase, 250 MVA, 16 kV rated synchronous generator is feeding into an infinite bus bar at 15…
A: Synchronous generator rating 250MVA and 16 kV Synchronous reactance=1.62 up and E=24 kV a)The line…
Q: Problem 2: Consider the single generator connected to the infinite bus system discussed in class.…
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Q: polyphase system is generated by______? a.Both a and c b.Having two or more generator windings…
A: poly phase AC circuits:Poly phase circuits are important because of all electric power is generated…
Q: 6- Why it is possible to short circuit the differential compound generator and not the cumulative…
A: Compound generator consists of both series and shunt field winding where major portion is shunt…
Q: Explain FIVE (5) iterative conditions of stopping criteria, that are considered in load flow…
A: In load flow analysis, the repetitive process of converging on the solution is referred as iterative…
Q: ,3-ph induction moto er factor lagging: the
A:
Q: 4. (c) A 3-phase Y-connected synchronous generator supplies current of 15 A having phase angle Of…
A: A synchronous generator is a device that uses electromagnetic induction to transform mechanical…
Q: The synchronous reactance of a generator is 1.0 per unit, and the leakage reactance of its armature…
A:
Q: Explain compound DC generator, also describe its types and terminal characteristics of compound DC…
A: As we know that generator is a electrical device which is use to convert mechanical energy to…
Q: power syste unit quantities instead of actual values. Give the advantages of using such a system.…
A: (a) Advantages Of Per-unit System- It gives a clear idea of relative magnitudes of various…
Q: 230 induced omf tion of this p ower. In a short conpound generator, the terminal voltage is…
A: Calculating shunt current If=VTRfIf=230 V92 ΩIf=2.5 A Calculating armature current…
Q: A 100KVA, 6.6 kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as…
A: KVA = 3VLIL 100×1033×6.6×103=IL IL=8.747 A
Q: Problem 6 a. What conditions must be satisfied before a generator can be operated in parallel with…
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Q: Four similar synchronous generators are sharing equally the feed to a load of 1 pu referred to the…
A: To find the correct option from the given statements
Q: 4. Is there a great difference between long and short shunt compound generator, show that?
A: In short shunt connection the shunt field is associated straightforwardly across the armature…
Q: Compare and contrast a cumulative compound DC generator and a differential compound DC generator in…
A: In cumulative compound DC generator series the series and parallel field flux are summed up whereas…
Q: 1- Static synchronous compensator (STATCOM) for powe factor improvement. 2- What is penalty factor?…
A: Static synchronous compensator (STATCOM) STATCOM is a reactive power compensation device connected…
Q: Explain how active load and reactive load sharing is achieved between synchronously connected…
A: Load sharing: Load sharing is the dividing the total load(i.e. Kw and Kvar) in proportion to the…
Q: 3) Why Ego is not equal to zero at If=0 in separately excited do generator?
A: Need to find Eg0 is not equal to zero at If=0 in separately excited DC generator why
Q: Problem 2: The fuel cost of two generators in a lossless system are given by GI<400 MW 9PGI+0.03 Pa,…
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Q: : For which reasons its not possible to develop rated voltage of d.c shunt generator, both in…
A: In the dc-shunt generator, the rated output dc voltage can never develop neither in loaded condition…
Q: 6- Why it is possible to short circuit the differential compound generator and not the cumulative…
A: Given: Why it is possible to short circuit the differential compound generator and not the…
Q: Find the load angle and the components of armature current Id and Iq
A:
Q: Problem 4.9: A 60-Hz synchronous generator rated 30 MVA at 0.90 power factor has the no-load…
A:
Q: 1- How will the no-load voltage of a DC generator change with increasing excitation current? And…
A: Answer How will the no load voltage of a DC generator change with increasing excition current and…
Q: -Why is the fall in the terminal voltage for the external chara, greater shunt generator than in…
A: The explanation is as follows.
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- For Problem 3.18, the motor operates at full load, at 0.8 power factor leading, and at a terminal voltage of 10.45 kV. Determine (a) the voltage at bus 1, which is the generator bus, and (b) the generator and motor internal EMFs.The fuel-cost curves for two generators are given as follows: C1(P1)=600+18P1+0.04(P1)2C2(P2)=700+20P2+0.03(P2)2 Assuming the system is lossless, calculate the optimal dispatch values of P1 and P2 for a total load of 1000 MW, the incremental operating cost, and the total operating cost.With the same transformer banks as in Problem 3.47, Figure 3.41 shows the oneline diagram of a generator, a step-up transformer bank, a transmission line, a stepown transformer bank, and an impedan load. The generator terminal voltage is 15 kV (line-to-line). (a) Draw the per-phase equivalent circuit, aounting for phase shifts for positive-sequence operation. (b) By choosing the line-to-neutral generator terminal voltage as the reference, determine the magnitudes of the generator current, transmiss ion-line current, load current, and line-to-line load voltage. Also, find the three-phase complex power delivered to the load.
- Choose which answers are correct Which of the following is a way to find the order in which generators are brought to the synchronous bus? a. economic load dispatch b. Lambda iteration C. Equal incremental cost rule d. brut force techniqueA 100KVA, 6.6 kV 3 PHASE star connected cylindrical pole synchronous generator has 20-ohm as synchronous reactance and the armature resistance is negligible and the generator is working at the full load and unity power factor then find the value of the induced emf voltage(line to line). 10 pointsA synchronous generator is connected to an infinite bus by a transmission line as shown in the figure. The field current IF = 900A when the unloaded generator is synchronized to the infinite bus. a.) P_M is increased to 0.5pu while I_F is held constant at 900A. Find the complex power S_Inf supplied to the infinite bus in per unit. b.) Determine S_Inf in per unit if IF increases to 1600A and PM is held fixed at 0.5pu.
- Three-phase, 60-Hz synchronous generator is connected through a transformer and paralleltransmission lines to an infinite bus. All reactances are given in per-unit on a common systembase. If the infinite bus receives 1.0 per unit real power at 0.95 p.f. lagging, determinea) the internal voltage of the generator andb) the equation for the electrical power delivered by the generator versus its power angle δ.A 24,000 kVA, 17.32 kV, three-phase, 60 Hz synchronous reactance of 5 Ω/phase and negligible armature resistance. At a certain excitation, the generator delivers rated load, 0.8 pf lagging to an infinite bus bar at a line the line voltage of 17.32 kV. Determine the excitation voltage per phaseDiscuss system demand and generator loading