Example 2: Calculate maximum sag of a line with the conductor material over all diameter o.889cm, weight 428kg/km and breaking strength 1973kg. Assume factor of safety 2. Span 200m. 1-Due to weight of conductor only.
Q: 2. Find the z-transform and ROC of the sequence x(n) = 3()"u(n) – 5(2)^u(-n-1) Also, find the poles…
A:
Q: 12 10 L90 1S Lo Za = 5 ohms Zb= 3-j4 ohms Zc= 2 ohms Zd 12 ohms V1= 20 angle 0 V2 = 10 angle 90 V3 =…
A:
Q: 1- Express the Boolean function F(A,B,C,D) = A' + BD' in (SOP) 2- Express the Boolean function…
A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…
Q: The switch in the circuit has been at position a for a long time before closing at t = 0. Find i,(t)…
A:
Q: 3. Calculate the X, ( in rectangular form ) of a 25 µH coil at 10 KHz. Answer : XI =
A:
Q: 52.) Determine A, = Vo/V, for the network of Fig. 5.181 if the source has an internal resistance of…
A: The required parameters can be obtained by using DC analysis of the circuit.
Q: 1) Write VHDL code of the following circuitY=(a xor b) or (not (c and b) ).
A:
Q: Use mesh-current analysis to find the branch currents indicated in the network shown below. I1 44°v_…
A: In this question, We need to determine the branch current in the shown using the mesh analysis and…
Q: Use Kirchhoff's laws to solve the branch currents in the network
A: In this question, Use Kirchhoff's laws to solve the branch currents in the network? Here we are…
Q: 1) Given vector A 6ax + ay, express A in cylindrical and spherical base vectors. 21 Given vector A =…
A: In this question vector A is given....We have to convert it in different coordinate system.....…
Q: Three 2.5 kVA single plase 240 V/ 100 V, 50 Hz transforner are connected in stat-etar configra tion…
A: Given single phase Transformer rating : 240/ 100 V connection star star
Q: In the following circuit, the supply voltage is defined as: V(t) = 325 sin (314t – 30o) and L =…
A:
Q: Draw the output voltages of each rectifier for the indicated input voltages, as shown in Figure…
A: Please refer the attached images for the complete answer..
Q: 1) Write VHDL code of the following circuitY=(a xor b) or (not (c and b) ).
A: Write VHDL code for logic y = (a xor b) or (not(c and b)
Q: Determine the force attraction between charge Q1 and Q3. Determine the electric field intensity…
A:
Q: Calculate the AC and DC resistance for the diode of Fig. 15 at a forward current of 10 mA and…
A: Given, Forward current, ID=10 mA
Q: 2. Find the impulse response of an LTI system if the input-output relationship is given by y[n] =…
A:
Q: Ex. 2110. Refer to Figure 2110. Assume MKS units. Given: V4=15/_ 0.30, XL1=16, R2= 4, 15= 3/ 1.40,…
A: The solution is given below
Q: Consider the circuit shown: Obtain the AC and DC circuit analysis for the collector voltag Vcc +10 V
A:
Q: Given a unity feedback system that has the forward transfer function R(s) K(s + 3) s(s + 2)(s + 4)(s…
A: Given: For a unity feedback Hs=1 closed loop system, the forward transfer function is…
Q: 23. Draw the root locus for each of the systems that have these loop transfer functions and identify…
A: d) The open-loop transfer function is given as T(s)=Ks-4s+4Poles location s=-4No. of polesNp=1Zero…
Q: In the network, find the value of Z. for maximum power transfer. The load impedance has both…
A: In this question, We need to determine the load impedance ZL and maximum power transfer Pmax ?…
Q: Given the following circuit, determine: (a)The secondary peak voltage.
A:
Q: Find / in the network using Norton's Theorem.
A:
Q: Design an insulated DC-DC converter. Give some detailed information about the topology you…
A: DC-DC converter- It is a device or a circuit which tooks a DC supply as input and provide the DC as…
Q: Find Vo/Vi. 1Ω 1 H vi(1) ) E 1 F Vo(t)
A:
Q: 4=0.06 H R2 =7 B $1= 3020° Amperes A Y S, = 220 20° Volts %3D USE MESH ANALYSIS to 8=R13 $, 15=R3 I3…
A:
Q: 2) An NMOS device of gate dielectric (k=10.2) thickness 53nm and W/L ratio of 1 biased at Vd=0.07v…
A:
Q: Calculate the capacitance of a capacitor tha Answer : C = = pF
A:
Q: Find Rag in the circuit. ww 25 2 82 F 50 2 50 N D ww
A:
Q: Ix 図 ーj127 10 jia 10 220°A のAOV 10 10 Ix ll
A:
Q: 5. Suppose the carrier is not transmitted (AM-DSB SC). Explain (words or block diagram) how the…
A: DSB-SC: In this modulation, both the sidebands are transmitted with the same message.
Q: A resistance of 8 ohms is connected in series with two resistances each of 12 ohms connected in…
A:
Q: Q5. The one-line diagram of a three-phase power system is shown in Figure 1. Select a common base of…
A: For a three phase power system, the one-line diagram is shown below, Common base on the generator…
Q: A 3-phase, 1,200 kVA, 2,400 volts alternator is short circuited and open circuited and is operated…
A: Given 3-ϕ alternator1200kVA, 2400 VS.C. current=1200×1033×2400=288.67 AOpen circuit voltage for same…
Q: Consider the circuit shown: Obtain the AC and DC circuit analysis for the collector voltage.
A:
Q: Using a uniform illuminated parabolic reflector, calculate the half power beamwidth for an antenna…
A: The solution is given below
Q: Determine the efficiency of a 1,500 kVA, 2,300 V 3-phase, Y-connected alternator, which operates at…
A: It is given that: KVA=1500V=2.3kVRa=0.075 ohmPf+w=14kWPcore=33kWPstray=1.55…
Q: Find the transfer function from input voltage e; to the output voltage e, across the 0.5 H inductor…
A:
Q: Using a uniform illuminated parabolic reflector, calculate the half power beamwidth for an antenna…
A: The solution is given below
Q: 1. Determine the electric field intensity midway Q1 and Q3. 2. Determine the repelling force between…
A:
Q: se Kirchhoff's Laws to solve the branch currents in the network below. I1 a I2 4230°A. 12 I3 I4 b 1Ω…
A:
Q: A-coil has a resistance of 60Ω and an inductance of 0.75H. If the current flowing through the coil…
A: The solution is given below
Q: 5. A 1-phase transformer has 500 primary and 1200 secondary turns. The net cross-sectional area of…
A: The solution is given below
Q: 2. Calculate the DC terminal voltages (VG, VD, Vs) for the n-type FETS shown below (10 points) 10 V…
A:
Q: Measured R (2) (No Power) Voltage (V) Current (A) Calculated R (S2) (Powered) 2.5k2 3V 1.2mA 2.5kQ…
A: The solution is given below
Q: $1= 30/0° Amperes S, = 220 20° Volts USE MESH ANALYSIS to get: a. 11, 12, 13, b. lo c. V3 and P3…
A: Note : i) Frequency is not given, we assume frequency =50 Hz ii) Current I2 is in all three loops…
Q: A three-phase, 50 Hz, 10 pole induction motor has a full-load sli 0.075. What is the speed of a. the…
A: Given Slip ,s = 0.075 No of Poles ,P = 10 Frequency ,f = 50 Hz
Q: Calculate the V(UTP) and V(LTP) in Figure * : bellow R; Vin oW Vout(max) =±10 V R1 47 kN R, 18 kN…
A:
Q: A synchronous generator.connected to 1.0 per unit voltage infinite bus has 0.8 per unit reactance.…
A:
Step by step
Solved in 2 steps
- For the case of double-circuit, bundle-conductor lines, the same method indicated in Problem 4.27 applies with r' replaced by the bundles GMR in the calculation of the overall GMR. Now consider a double-circuit configuration shown in Figure 4.36 that belongs to a 500-kV, three-phase line with bundle conductors of three subconductors at 21 in. spacing. The GMR of each subconductor is given to be 0.0485 ft. Determine the inductive reactance of the line in ohms per mile per phase. You may use XL=0.2794logGMDGMR/mi/phaseAlumoweld is an aluminum-clad steel conductor. True FalseShield wires located above the phase conductors protect the phase conductors against lightning. True False
- Figure 4.34 shows double-circuit conductors' relative positions in segment I of transposition of a completely transposed three-phase overhead transmission line. The inductance is given by L=2107lnGMDGMRH/m/phase Where GMD=(DABeqDBCeqDACeq)1/3 With mean distances defined by equivalent spacings DABeq=(D12D12D12D12)1/4DBCeq=(D23D23D23D13)1/4DACeq=(D13D13D13)1/4 And GMR=[ (GMR)A(GMR)B(GMR)C ]1/3 with phase GMRs defined by (GMR)A=[ rD11 ]1/2;(GMR)B=[ rD22 ]1/2;(GMR)C=[ rD33 ]1/2 and r is the GMR of phase conductors. Now consider a 345-kV, three-phase, double-circuit line with phase-conductors GMR of 0.0588 ft and the horizontal conductor configuration shown in Figure 4.35. Determine the inductance per meter per phase in Henries (H). Calculate the inductance of just one circuit and then divide by 2 to obtain the inductance of the double circuit.A 60-Hz, single-phase two-wire overhead line has solid cylindrical copper conductors with a 1.5 cm diameter. The conductors are arranged in a horizontal configuration with 0.5 m spacing. Calculate in mH/km (a) the inductance of each conductor due to internal flux linkages only, (b) the inductance of each conductor due to both internal and external flux linkages, and (c) the total inductance of the line.Three ACSR Drake conductors are used for a three-phase overhead transmission line operating at 60 Hz. The conductor configuration is in the form of an isosceles triangle with sides of 20, 20, and 38 ft. (a) Find the capacitance-to-neutral and capacitive reactance-to-neutral for each 1-mile length of line. (b) For a line length of 175 mi and a normal operating voltage of 220 kV, determine the capacitive reactance-to-neutral for the entire line length as well as the charging current per mile and total three-phase reactive power supplied by the line capacitance.
- The capacitance of a single-circuit, three-phase transposed line with the configuration shown in Figure 4.38, including ground effect, and with conductors not equilaterally spaced is given by C20lnDeqrlnHmH8 F/m line-to-neutral where Deq=D12D23D133=GMD r= conductors outside radiusHm=(H12H23H13)1/3HS=(H1H2H3)1/3 Now consider Figure 4.39 in which the configuration of a three-phase, single circuit, 345-kV line with conductors having an outside diameter of 1.065 in. is shown. Determine the capacitance to neutral in F/m, including the ground effect. Next, neglecting the effect of ground, see how the value changes.ACSR stands for Aluminum-clad steel conductor Aluminum conductor steel supported Aluminum conductor steel reinforced12. There are 6 conductors in a double circuit line. Each conductor has a radius of 12 mm. The 6conductors are arranged horizontally. The center to center distance between the conductor is 2m. The sequence of conductors are from left to right as follows: a,b.c,a', b', c'. Calculate the inductance per km per phase of system. the a' 2 m 2 m 2 m 2 m 2 m
- Single core cable design for 25 kV. The radius of conductor is 0.5 cm. The insulation material consists of two layers. The thickness of each layer is 2 cm. The voltage of first and second layers are 20 kV, 5 kV respectively. The minimum Electric stress of the cable is * 9.45 kV/cm 1.89 kV /cm O 1.25 kV/cm 5.78 kV/cm Non of themDiscuss the desirable properties of insulators. Explain the causes of insulator failure due to electrical breakdown. Each line of a three-phase system is suspended by a string of three identical insulators of self-capacitance C farad. The shunt capacitance of connecting metal work of each insulator to earth is 20.7 % of C while for line it is 13.8 % of C. Calculate the string efficiency of the system if a guard ring increases the capacitance to the line of metal work of the lowest insulator to 0.25 C.(a) A three phase transposed transmission tower comprises of three-bundled conductor and double-circuit configured in vertical position as shown in Figure 2. Each sub-conductor in each circuit and each phase is an ACSR type, size 477,000 cmil and stranding 26/7. Given the GMR of each sub-conductor is 0.8809 cm and diameter is 2.1793 cm, analyze: i. Inductance in mH/km ii. Capacitance in µF/km 0.75m 7.5m b' 4m 4m 45cm Figure 2