onsider the one-line diagram and corresponding reactance diagram of the two-machine system nown below: XT2 Xq T2 EM Line EG t Xsc — 0.4pи, Xsм — 0.4ри, Xт1 — 0.1ри, Хта — 0.1ри, and X, — 1.2pu (a) Analyze if the system is stable enough in the steady state to deliver 1.2pu power at the motor terminals with rated terminal voltage and 1.0pf. (b) What will be the maximum power that can be delivered if a second line of the same size is used in parallel with the original?
Q: 1. Following figure shows the one-line diagram of a two bus system. Take bus 1 as slack bus, bus 2…
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Q: 2. If the generator cost function of three generators are given as: C1 = 472.8 + 7.47 P1 + 0.023 P,2…
A: In this question, we will find optimal dispatch for three generators..
Q: A single-phase power system consists of a 400-V 60-Hz generator that is connected to the load Zload…
A: Given data: Vs=400 Vf=60 HzZL=10+j20 ΩZline=0.2+j0.8 ΩN=35
Q: The following 3-phase loads are connected to a 3- phase 400 V, 50 Hz power supply: Load 1: Lighting…
A: Given Data:Load 1 : P1 = 100+38 = 138 kWLoad 2 : I = 400 Apower factor = 0.8 lagging
Q: A 100 MVA, 33 kV, three phase generator has a reactance of 15%. The generator is connected to the…
A: In this question we need to draw a perunit circuit diagram of the given system.
Q: * Question Completion Status: The fuel cost functions for 3 thermal power plants in OMR I hr are…
A: Write the expression for the incremental cost of all the generating units as below.…
Q: A three-phase, 60-Hz, untransposed transmission line runs in parallel with a telephone line for 20…
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Q: The fuel cost functions for 3 thermal power plants in OMR / hr are given by C, = 500 + 41 P1 + 0.15…
A: the fuel cost functions for the 3 thermal power plants in OMR/hr are given by: C1=500+41Pg1+0.15P2g1…
Q: H.W The table gives data for open-circuit and load zero powver factor tests on a 6-pole, 440 V, 50…
A: Given data is shown below. Number of poles = 6Voltage =440VFrequency = 50Hzohmic resistance =…
Q: The fuel cost curve of two generator are given under C1 = 800 + 45 P1 +0.01 P12 C2 = 2000 + 43 P2 +…
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Q: A 3-phase, Y-connected syn. generator supplies current of 10 A having phase angle of 20° lagging at…
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Q: The fuel cost curve of two generator are given under C1 = 800 + 45 P1 +0.01 .01 P 2 C2 = 2000 + 43…
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Q: The fuel cost curve of two generator are given under C1 = 800 + 45 P1 + 0.01 P1² C2 = 2000 + 43 P2 +…
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Q: 1) Suppose the fuel costs of two generators are given by fi = 4 PG1 + 0.04 PG1 *PG1 with 0< PGI<…
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Q: A transmission line that has a resistance per unit length of 5.40 x 10-40 /m is to be used to…
A: Transmission line- Transmission Lines are the connection between the Generation busbar and the…
Q: A simple power system is shown in this Fig. The generator (480 V, 10 kVA) is connected to an ideal…
A: The transformer is a static device that steps up or steps down the voltage depending upon the turn…
Q: The generator fuel cost function of the three generators are given below F1 = 478.8 + 7.87P1 +…
A: In this answer let's utilise the formula for lambda and thery y calculate P1,P2 and P3 for optimal…
Q: 3-ph, 15 KVA, 220 V, Y-conn., 6-pole salient pole synchronous generator has open-circuit, short…
A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…
Q: In a given system of base power of 250 MW, and bus 3 is taken as reference. The per-unit reactances…
A: Base power 250 W Bus 3 is taken as a reference The per-unit reactances are X12=0.2 pu X13=X23=0.1…
Q: If the generator cost function of two generators are given as: C1 = 484.8 + 8.27P1 + 0.9P,2…
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Q: The fuel-cost curves for a two generators power system are given as follows: C¡ (P1) = 600 + 15 · P1…
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Q: Q 3) The schematic diagram of a generator supplying two loads through a distribution system is shown…
A: Given that LoadA power PA= 8kw at 0.8leading Load B Power PB = 10kw at 0.6 lagging
Q: A 50 Hz synchronous generator having inertia constant H = 9.94 MJ/MVA and a transient reactance of…
A: In this question we need to find a generator voltage and power angle equation for the given power…
Q: The fuel-cost curves for a two generators power system are given as follows: C (P1) = 600 + 15 · P1…
A: Given: C1P1=600+15P1+0.05P12C2P2=700+20P2+0.04P22PL=2×10-4P12+3×10-4P22-4×10-4P1P2 MWMarginal cost,…
Q: The fuel cost of two generators in a lossless power system are given by fi = 80+8.5PG|+0.0125 Prl…
A: As per the guidelines of Bartley we supposed to answer first three subpart only.
Q: Q6/ The single line diagram shown represents a generator connected through parellel transmission…
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Q: The fuel -cost characteristic equations for two thermal plants in OMR/Hr are given by C1 = 20+4.8…
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Q: Problem 3: A 3-phase, Y-connected, 6-pole, 60HZ generator has X, = 12 . negligible r, (stator…
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Q: A load of 1500 KW is connected at the receiving end of a 3 phase transmission line 70 km long. The…
A: Let sending end voltage be Vs receiving end voltage be Vr. Sending end voltage=receiving end…
Q: (a) | The cost curves of a three-generator system are given below: Q1 C1 = 350 + 7.20P + 0.0040P? C2…
A: As per the guidelines of Bartley we supposed to answer first three subpart only
Q: Calculate the speed of the turbine rotor (rpm). Is it considered fast or slow?
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Q: The generator fuel cost function of the three generators are given below F1 = 478.8 + 7.47P1 +…
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Q: A 3-phase, Y-connected, 6-pole, 60HZ generator has X S=12, negligible rs (stator resistance), and…
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Q: The fuel-cost fnction in $/h of two thermal plants are C1 = 320 + 6.2P +0.004P? C2 = 200 + 6.0P2…
A: Given real power loss equation is -
Q: 2. If the generator cost function of three generators are given as: C1 = 472.8 + 7.47 P1 + 0.023 P,2…
A: Given that C1=472.8+7.47P1+0.023P12 C2=432.9+7.87P2+0.020P22 C3=463.9+7.56P3+0.022P32…
Q: The following 3-phase loads are connected to a 3- phase 400 V, 50 Hz power supply: Load 1: Lighting…
A: Disclaimer: Since you have asked multipart questions, we will solve the first three subpart for…
Q: Given a 3-bus power system as follows. |V = 1.0 V, = 1.05/ 0 Z12 = 0.01 PYO.03 = 1.2 pu Gen pu PLoad…
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Q: 1&course_id%3_18638_18&content_id3 214533 Remaining Time: 40 minutos, 39 seconds. v Question…
A: The total load is given as 360MW. So we have: P1+P2=360 (1) For economic load scheduling we…
Q: For the simplified system shown, the generators are Example 6.1: connected at all the three buses.…
A: Bus voltage and its corresponding bus angle is determined as shown below
Q: If the generator cost function of three generators are given as: C1= 475.8+8.27P, + 0.3P,2…
A: The cost function of the generators are given as C1 = 475.8+8.27P1+0.3P12C1 = 471.9+7.87P2+0.2P22C1…
Q: QI The fuel-cost functions in Sh for three thermal plants are given by 5 = 350 + 7.20P, + 0.0040P F-…
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Q: Activity 2: An area of an interconnected power system has two fossil-fuel units operating on…
A: Given
Q: A load of 1500 KW is connected at the receiving end of a 3 phase transmission line 70 km long. The…
A: Given 3 phase transmission line 70 km long The load PL=1500 kw, PF=0.75 lagReceiving end voltage…
Q: Given two thermal generating units with the following polynomial cost functions: Coal Fired: ( F(P)…
A: Choose the correct option What is power generation by Generator G1 and G2 for economic dispatch…
Q: Question One The cost of two generators (in $) as a function of power (in MW) is given: C1 = 0.1P? +…
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Q: A generating station having two thermal generating units shown below with minimum an maximum…
A: In a power generation station, electrical power is generated according to the demand of the…
Q: with generators whose tikity F (Pi) in $ and Consider cost chalacteristic. genelation limits ole…
A: The mathematical expression for the Lagrange multiplier method is given by: λ=11-∂PL∂PidFidPi Here,…
Q: HW 3: A 6600V, 3-ph, Y-connected alternator has a synchronous impedance of (0.4+j6) ohm per phase.…
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Q: An area of an interconnected power system has two fossil-fuel units operating on economic dispatch.…
A: Given two equations are 10+16×10-3P11-3×10-4P1+2×10-5P2=16 .....(1) and…
Q: 19. GURU – chapter21-page 144 – problem-2 ar Js bogaa ) bas WMEY al A 50 Hz synchronous generator…
A: Given circuit shown intertia constant H=9.94 MJ/MVATransient reactance =0.3 p.uThe generator is…
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- A Turgo type hydro-electric plant uses a 92% efficiency generator to produce its rated output of 32.5 MW. It was observed during its operation that the mechanical loss is 4.25 MW. Also, from the penstock down to the turbine, 14.3% hydraulic head loss and 8.9% leakage loss occurs which are equally distributed and based on the parameters at the dam. The average elevation from the headrace to the jet centerline is 40 m and from the tailrace to the jet centerline is 4.5 m. compute the following: a. Power by the turbine, kW b. Volume flow rate at the source, m3/s c. Power by the jet, kW d. Mechanical Efficiency, %Suppose two generators supplying a load. Generator-1 has a no-load frequency of 61.5 Hz and a slopesp1 of 1 MW/Hz. Generator-2 has a no-load frequency of 62 Hz and a slope sp2 of 1MW/Hz. The twogenerators are supplying a real load totaling 2.5 MW at 0.8 PF lagging. Draw the resulting systempower-frequency or house-diagrams. Determine (a) at what frequency is the system operating, andhow much power is supplied by each of the generators? (b) if an additional 0.75-MW load wereattached to this power system. What would the new system frequency be, and how much powerwould the each generator supply now? (c) with the system in the configuration described in part (b),what will the system frequency and generators power be if the governor set points on generator-1 areincreased by 0.5 Hz?A simple power system is shown in this Fig. The generator (480 V, 10 kVA) is connected to an ideal step-up transformer (1:10), a transmission line (R=20 Ohm and X=60 Ohm), step down transformer (20:1) and a load with magnitude Z=10 Ohm and angle =30 degree the base values for this system are chosen to be 480 V and 10 kVA at the generator. Calculate the per-unit impedance of the load. Calculate the per- unit current in the line Select one: a. 1.43 A b. 0.569 A c. None of the above d. 2.01
- A simple power system is shown in this Fig. The generator (480 V, 10 kVA) is connected to an ideal step-up transformer (1:10), a transmission line (R=20 Ohm and X=60 Ohm), step down transformer (20:1) and a load with magnitude Z=10 Ohm and angle =30 degree the base values for this system are chosen to be 480 V and 10 kVA at the generator. Calculate the 1/per-unit impedance of the load 2/per-unit current in the line 3/ per-unit real power absorbed by the loadA 6-phase ∆-connected 1600 V (line-to-line), 150 kW, 50 Hz, six-pole induction driveis used in an electric car. The drive has the following parameter values in Ω/phasereferred to the stator:R1 =0.334 Ω R2 =0.168 Ω Rm1 = 125 ΩX1 = 0.273 Ω X2 = 0.287 Ω Xm1 = 16.78 ΩThe total friction, windage, and core losses may be assumed to be constant at Prot =773 W, independent of load. For a slip value of s=0.015: b ) Compute the speed, output torque, power and stator current d) Calculate the efficiency when the motor is operated at rated voltage andfrequency. answer:b) n= 985 rpm; Torque T= 1.18 x104 Nm; Power= 1.22 x106 W; Stator current I = 175.72 /32.79° (d) Efficiency = 86.4%2) A three-phase, 60 Hz synchronous generator in Fig. 1 delivers 0.9 per-unit real power at 1.08 perunit terminal voltage to an infinite bus with voltage of 1.0 pu. The reactance data for the powersystem is given in per unit on a common base and shown in Fig. 1. Determine:a) the reactive power output at the terminal of the generator and reactive power delivered tothe infinite bus;b) the generator internal voltage (E′);c) determine and plot an equation for electrical power delivered by the generator to the infinitebus versus angle δ.Note: E′ is internal voltage behind transient reactance x′d
- A 2-pole, 50 Hz, 11 kV synchronous generator with a rating of 120 MW and 0.87 lagging power factor has a moment of inertia of 12,000 kg- . Calculate the constants H and M A 4-pole synchronous generator supplies over a short line a load of 60 MW to a load bus. If the maximum steady state capacity of the transmission line is 110 MW, determine the maximum sudden increase in the load that can be tolerated by the system without losing stabilitysynchronous generator operating under steady conditions supplying a load current I0to the bus at a terminal voltage of V0. E, is the induced emf under loaded condition and Xa is the direct axis synchronous reactance of the machine. Draw the equivalent circuit model of the system.Q2. The O.C.C for a shunt generator at (1000 r.p.m) given by:lf(A) 0.2 0.5 1.0 1.5 2.1 2.4 3 4.2 4.8E(V) 28 72 144 202 245 270 300 345 360The armature resistance equal (0.5 ohm) and shunt field resistance equal (83.33 ohms). If the machine is driven at (1100 r.p.m) find:(a)The load current if the load resistance equal (9 ohms). (b)The number of series winding to convert the machine to level compound at (345 V) at armature .current of (100 A)
- a 20MVA, 12.2KV, 0.8 PF lagging Y- connected SG has a negligible armature resistance and syn. Reactance of 8.2Ω, the generator is connected in parallel with a 60Hz 12.2Kv infinite bus that is capable of supplying any real or reactive power with no change in frequency or terminal voltage. A) find the internal generated voltage at rated condition. B) what is the armature rated current. C) suppose that the generator is initially operating at rated condition. If the internal generated voltage is decreased by 5%, what is will be the new armature current?Find the control ratio, C(s)/R(s) for the system given below using Mason’s Rule.A simple power system is shown in this Fig. The generator (480 V, 10 kVA) is connected to an ideal step-up transformer (1:10), a transmission line (R=20 Ohm and X=60 Ohm), step down transformer (20:1) and a load with magnitude Z=10 Ohm and angle =30 degree the base values for this system are chosen to be 480 V and 10 kVA at the generator. Calculate the per-unit impedance of the load. Calculate the per-unit real power absorbed by the load Select one: a. 0.487 b. None of the above c. 0.057 d. 1.253