EXAMPLE 2 For the network shown in the Figure determine: a) Determine re. b) Determine Z¡, Zo and A, (with r, = ∞). c) Repeat parts (b) including (r, = 50 kN).
Q: 3-phase 132 kV, 100 km, 50 Hz, single circuit line has horizontal spacing with 3.5 m between…
A: Given three phase line with132 kv,100 km,50HzThe conductor diameter d=1.2 cmraduis r=d2=0.6…
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A: Given I= 5 A to find H i) at (5 cm,0) ii) at (10 cm, 5 cm)
Q: 2. Form the Jacobian matrix form the following power system network based on the types of buses…
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Q: 2. Using the circuit below: a) Write all possible KCL equation and all possible KVL equation that…
A: (a) Apply KCL at node a I1+I3=-3 Apply KCL at node b -I1+I4-I5=3 Apply KCL at node e I2+I3+I4=-5…
Q: A man has a body resistance of 600 N. How much current flows through his ungrounded body: (a) when…
A: The solution can be achieved as follows.
Q: Q2:3-phase, single circuit66kV,50 km, Overhead transmission line has horizontal spacing with 3m…
A: The solution can be achieved as follows.
Q: Suppose r(t) = A et, where A = j2 and o = -1 – 2jw, where w is some variable. Write down expressions…
A:
Q: 3-phase, single circuit66kV,50 km, Overhead transmission line has horizontal spacing with 3m between…
A: Here we have given A 3-phase single circuit which has voltage=66kVtransmission length…
Q: ) A power line has the following parameters for every kilometer: inductive reactance 0.52,…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: Q4) A 3-phase, 50 Hz, 100 km long overhead transmission line has the following line constants:…
A: Given data, Length of transmission line L =100 km Resistance per phase per km R = 0.153 Inductance…
Q: A three phase, 50 Hz, 66kV overhead line Problem 5 : conductors are placed in a horizontal plane as…
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A: In this question, We need to determine the value of capacitance C for the unity power factor. And…
Q: Example 6.2 Figure 6.5 shows the one-line diagram of a simple four-bus system. Table 6.1 gives the…
A:
Q: Q1: Draw the single line diagram of a substation having the following equipments: i) Incoming lines:…
A: High Voltage Transmission protection Equipment Circuit Breaker Lightning Arrester Current…
Q: N-R method of power flow solution follows the rectangular values of the quanities True False
A: N-R method of power flow solution follows both rectangular and polar values of quantities.
Q: 1/Power loss due to corona is: a. Inversely proportional to frequency. b. Proportional to frequency.…
A: Solv only 1st question.
Q: Q2. 30, 220 kV, 50 Hz, 115 km long transmission line consisting of three conductors each of 20 mm…
A:
Q: QIn a 3-phase overhead system, each line is suspended by a string of 3 insulators. The voltage…
A:
Q: In a string of three identical suspension insulator units supporting transmission line conductor.if…
A: Given: Cm=CCs=0.1C∵Cs=mC∴m=0.1
Q: A 3-phase, 50 Hz, 132 kV overhead line of length 150 km has conductors placed in a (b) horizontal…
A:
Q: A transmission line connecting Ibra and Sur carries 33kV and 3000A. The substation concerned is…
A: The transformer has a primary and a secondary side. It converts electrical power to electrical power…
Q: 1- Combined power stations may be more effective considering the economic and environmental…
A:
Q: 2- in a concentric spherical electrode system, the outer radius is 20 cm, the applied voltage is 200…
A: According to question:
Q: The conductors of a 66 kV, 50 Hz three phase transmission line are suspended horizontally as shown…
A: Given l=300km r=0.05m spacing =0.2m d=3m
Q: B- A 3-ph, double circuit O.H.T.L, 320kV, 300 km, 50 Hz has a configuration as shown in the figure…
A: Given data: Spacing between the conductors: 50 cm Conductor diameter = 0.1263 ft = 0.038 m GMR =…
Q: I Review | Constants The steady-state voltage drop between the load and the sending end of the line…
A:
Q: Q-4: 3-phase, 50 Hz, TL 100 km long deliver 20 MW at 0.9 p.f lagging and at 110 KV, the resistance…
A: The solution can be achieved as follows.
Q: A transmission aluminum cable 5mm in diameter. Find the 50 degree Celsius AC resistance per km of…
A:
Q: A 3-phase transmission line is being supported by three-disc insulators. The potentials across top…
A:
Q: -1: Choose the correct answer: 1. Gas insulated substation (GIS) use following gas for insulation а)…
A: All these questions are of high voltage.
Q: Q5. Assume that the following permanent outage data has been given for the system shown below:…
A: (a) In the given figure each parallel line consists of 138kV breaker, 138 kV line, Transformer and…
Q: An overhead line has the following data: Span length 160 metres, conductor diameter 0.95…
A: We have been given an overhead transmission line with, Span Length(l) = 160 m Conductor Diameter (d)…
Q: 2. Next your mentor asks you to characterize a microstrip transmission line. It is fabricated on…
A: A microstrip transmission line is fabricated on 1.57 mm thick FR-4 material (εr=4.6). We need to…
Q: A single phase transmission line having copper conductor of 0.775 cm2 cross section over which 300…
A: A 1-ph transmission line has, Copper conductor cross sectional area (A)=0.775 square cm. Specific…
Q: 2) The three-phase, 50 Hz, 100 km long power transmission line has a resistance per unit length of…
A: Given, Frequency=50Hz, L=Length of transmission line=100Km R=Resistance=0.1×100=10Ω,…
Q: A general AC bridge as shown Figure 1. Explain the conditions for the bridge to be considered as…
A: Generally the values of all impedance may or may not be frequency dependent and there are many…
Q: 1- The 66 Ky lines use (pin insulators/suspension insulators). 2- The self-capacitance of string…
A: 1). The 66 KV lines use suspension type insulators. Upto 33 KV pin type insulators are used. 2).…
Q: Will an open circuited line encounter power loss? Motivate your answer
A: When circuit is open, current does not flow in circuit that means current is zero
Q: 400 psoft Word (Product Activation Failed) Table Tools ences Mailings Review View Design Layout Aa…
A: Here it is ask that line charging admittance of Y bus connected between two buses is affects as
Q: B- Discuss the following claimed arguments: 1- Combined power stations may be more effective…
A: Q(1) Solution: Combined Power stations might be more successful considering the financial and…
Q: Q2: A 180 km, 3-phase, Overhead transmission line R = 100, X, = 100N, Y The load at receiving end is…
A: Since it is not mentioned which part to solve we will solve only first three parts: (a) Since R,XL…
Q: Q2: Draw the single line diagram of a substation having the following equipments: (1) Incoming…
A: Steps To design The HV substation As incoming lines is 400 kv so two 400 kv line can be tapped from…
Q: One 33kV, 50Hz, 3-phase underground cable, 3 single-core cables of 4km length are used. The diameter…
A: Given:V=33 kVf=50 Hzl=4 km =4000 md=2.5 cm =0.025 mcircular thickness=0.5 cmso, D=2.5+20.5=3.5…
Q: 2. Consider a 2 bus system whose bus data and line data are given below. Bus data Reactive Bus…
A: Given : n=no. of buses =2 Base MVA = 1001) PQ BUs S=P+jQ V1 =…
Q: A 3-phase, 50 Hz, 132 kV overhead line has conductors placed in a horizontal plane 4 m apart.…
A:
Q: Travel and Tourist (T&T) company has been awarded by the government to transform Pulau Kecik to…
A: The following MATLAB code can be used to determine the result of the given question.
Q: Q1: A 1-ph, 22O V, 50 Hz overhead line has a distance of 4 m between its .conductors and 7 m above…
A: Given a single phase transmission line: Diameter=15mm Radius=r=7.5mm Distance between…
Q: Q2: Draw the single line diagram of a substation having the following equipments: (1) Incoming…
A: The answer as given below:
Q: A 3 phase, 50HZ, Two bus, single transmission line power system consisting of line series resistance…
A:
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- Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in Figure 2.27. (a) Obtain expressions for P12 and Q12. (b) Determine the maximum power transfer and the condition for it toEvaluate if the system below is stable. Specify your reason.If the values of real power and reactive power is specified for a bus, then it is called as PV bus. Select one: True False
- Explain the concept of FACTS (Flexible AC Transmission Systems) devices in power systems. How do they enhance the controllability and stability of electrical grids? Provide examples of FACTS devices.The equation of characteristics of the system is as follows. 1. Determine the stability of this system, and write the reason. 2. Write the number of poles this system has in the right quadrant and the reason.(b) A 3-phase, 50 Hz, 132 kV overhead line of length 150 km has conductors placed in ahorizontal plane. The diameter of the conductors is 20 mm and assume completetransposition arrangement is applied. (i) Analyse the charging current per phase when the conductors spacing are set at 4 m (ii) Investigate the range of conductor spacing that should be chosen in order to reducethe magnitude of the charging current per phase in Q2 (b)(i) by 5% or more.
- A Victoria plaza sub-station supplies 60kW to a load over 250 ft, 100mm2 , two conductors copper feeder, the resistance of which is 0.078 ohm per 100 ft. The bus bar voltage is maintained constant at 600V.Determine the load currentwhat is the similarities and differences between renewable and nonrenewable sources of energy?Point out the similarities and differences between renewable and nonrenewable sources of energyplease explain steps-by-steps solution tq
- Describe the concept of FACTS (Flexible AC Transmission Systems) devices and their applications in enhancing power system performance.Q1) Following the system shown below, find if said system is stable or not:A 3-ph, double circuit O.H.T.L, 420 kV, 350 km, 50 Hz has a configuration as shown in the figure below where each phase in the double circuit has a double bundle with a spacing of 24 cm between the two conductors in the bundle Each conductor in the bundle has a diameter of 0.115 ft and a geometric mean radius (Ds = 1.7 cm). Calculate: [10] 1- Inductance per phase per km and total inductive reactance of this T.L. 2- Capacitance per phase per km and total capacitive reactance of this T.L. 3- Total charging current. 4- Total MVAR generated by the capacitive effect. 5- This T.L. is required to supply 260MVA at 0.85 lag P.f. at 420 kV, assuming that this load is divided equally between these two circuits, find the voltage drop across this T.L (ignore capacitive effect in the calculation).