Incremental fuel cost of a generator is given as 3 P12+ 40 P1 +90 $/MWh. Give the cost function and Calculate the operating cost of the generator for meeting 100 MW, if the fixed cost is 20$/h?
Q: 15. A 1500 kW, 550-V, 16 pole generator runs at 150 rev. per min. What must be the useful flux if…
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Q: Q 1 (a) Define voltage regulation of a generator. How its voltage regulation may be found by MMF…
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Q: 3. Sketch the load characteristic of a d.c. generator with (i) shunt (ii) series excitation. Give…
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Q: The following diagram shows a DC generator delivering power to a static load under transient…
A: Apply KVL in outer circuit (stator circuit) -Eg+iaRa+iajXa+Vt=0Vt=Eg-iaRa+jXaVt V/S ia
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A: 18..>> The external characteristic of shunt generator can be obtained by directly from its…
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Q: A.C generator.
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A: The incremental cost functions are given as On solving equations (1) and (2)
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Q: Example The 0.C.C. of a d.c. generator driven at 400 rev/min is as follows : Field current (A) 2 3 4…
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Q: 6. A 3-phase AC generator is supplying power to a load of 3200kW at 2300V and a power factor of 60%.…
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Q: A separately excited d.c.generator has no load voltage of 120 V at field current of 2 A, when driven…
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Q: 6.5 Consider the three-bus power system shown in Figure P6.5 The table below shows the data about…
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Q: 4. A 20-kW, 250-V dc series generator has armature and series field winding resistances of 0.095 Q…
A: Given 20kW 250V Armature resistance = 0.095 Ohms Series field winding resistance=0.16 Ohms
Q: NO LOAD AND LOADED CHARACTERISTICS OF SEPARATELY EXCITED DC GENERATOR: Table 3.1 shows the load…
A: The given data is shown below: RL IL EA POWER Infinite 0 134.4 0 600 0.22 131.8 28.996 3OO…
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A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: 5. A 3-phase, 50 Hz, star-connected, 1000 KVA, 2300V alternator gives a short-circuit current of 400…
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A: You have posted multiple questions, so I am solving the 1st questions for you 1) Based on the given…
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Q: A 20-kW, 230-V separately excited generator hasan armature resistance of 0.2Ω and a load current…
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Q: A 4-pole, 250V, 120kW, DC short shunt compound generator has the following parameters: Ra=0.015 Ω,…
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Q: Question 6 A 10 KW full load output power of shunt generator having an armature circuit resistance…
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Q: A separately-excited dc generator has no load output voltage of 120 V. its equivalent armature…
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Q: A 50 kW, 200 V differentially compounded generator has NSE of 10 turns, NF of 3000 turns, and RF of…
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A: Option B is correct. The explanation is provided below.
Q: A 4-pole, 250V, 120kW, DC short shunt compound generator has the following parameters: Ra=0.015 Ω,…
A: Generator Rated output current =10000220=45.45 ampsIa=II+Ifwhere Ia is armature current,Il is output…
Q: A long shunt compound dc generator supplies a current of 100 A at a voltahe of 220 V. If the…
A: The solution can be achieved as follows.
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Incremental fuel cost of a generator is given as 3 P12+ 40 P1 +90 $/MWh. Give the cost function and Calculate the operating cost of the generator for meeting 100 MW, if the fixed cost is 20$/h?
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- In the load characteristic of a separately-excited DC generator, its output voltage decreases with increasing load current (decreasing load resistance). What possible fix or action can you take to offset this decrease in voltage and maintain the output voltage at a constant level as the load current increases? .....Problem: The field current of a 100-kW, 250V shunt generator is 5A when delivering power at rated terminal voltage and rated load current. The combined armature and brush resistance is 0.1 ohm. 1.)Calculate the generated power in kW. 2.)What is the electrical efficiency? * Formatt: given required solution answerno more thank 50 words. In the load characteristics of a separately-excited DC generator, its output voltage decreases with increasing load current (decreasing load resistance). What possible fix or action can you take to offset this decrease in voltage and maintain the output voltage at a constant level as the load current increases?
- How many poles should a 60-Hz generator have, if it is connected to a turbine operating undera design head of 3000 ft with a flow of 82 cubic feet per second? Assume turbine specific speedand efficiency of 3 rpm and 84% respectively.In the load characteristics of a separately-excited DC generator, its output voltage decreases with increasing load current (decreasing load resistance). What possible fix or action can you take to offset this decrease in voltage and maintain the output voltage at a constant level as the load current increases?Compare and contrast a cumulative compound DC generator and a differential compound DC generator in terms of performance. Note: Explain in no more than 70 words
- A dc shunt generator 50 V at the load 6A, rotating 700 r.p.m at the torque 4 N.m. Find the efficiency of generator?Q2: A500 kW , 500 V, 10 poles d.c generator has lap wound armature Find the electrical angle shift of brushes when ATd / pole = 208 AT . If the ATC for same generator when connected as wave wound is 2600 AT when the brushes on G.N.A .Show that an alternator running in parallel on constant-voltage and frequency bus-bars has a natural time period of oscillation. Deduce a formula for the time of one complete oscillation and calculate its value for a 5000-kVA, 3-phase, 10,000-V machine running at 1500 r.p.m. on constant 50-Hz bus-bars. The moment of inertia of the whole moving system is 14,112 kg-m2 and the steady short-circuit is five times the normal full-load value. ANSWER IS [1.33 second]
- Q2)A. Explain compound DC generator, also describe its types and terminal characteristics of compound DC generator. proper explanation and diagramWith increasing load current, the output voltage of a separately-excited DC generator falls, which is a property of its load characteristics (decreasing load resistance). As the load current grows, what is the most appropriate solution or action you can take to counteract this voltage drop and keep the output voltage at a consistent level? Note: Please explain in no more than 60 words.. When a self-excited compound DC generator supplies load, the terminal voltage is not the same as the generated emE Why? a) voltage drop across the armature resistance will reduce the voltage available at the load terminals b) where there is a series field, voltage drop across the series field resistance will reduce the voltage available at the load terminals c) both "a" and "b" d) neither "a" nor "b"