Do you consider attenuation in Telecom transmission lines to a static or transient impairment? Explain. Explain...
Do you consider attenuation in Telecom transmission
lines to a static or transient impairment? Explain.
Explain the difference between attenuation and phase
distortions.
Homework Answers
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Do you consider attenuation in Telecom transmission
lines to a static or transient impairment? Explain.
Explain...
need explanation for what happens if you increase the transmission lines angle (the phase angle difference...
need explanation for what happens if you increase the transmission lines angle (the phase angle difference between the sending end and receiving end voltages difference?
Two three-phase power transmission lines with a nominal operating voltage of 220 kV and a frequency...
Two three-phase power transmission lines with a nominal
operating voltage of 220 kV and a frequency of 60 Hz are connected
in series as shown below.
Per-phase constants of the first 110 km long energy transmission
line (E.İ.H.-1); r = 0.01035Ω / km, L = 1.554 mH / km, and C =
7.387 ∙ 10-3 µF / km. Constants per phase of the second 100 km long
energy transmission line (E.İ.H.2); Zh = 1.035 + j58.58 Ω / phase
and...
E1. a) Draw and explain why does capacitance exist in transmission lines. (2 Marks ) b)...
E1. a) Draw and explain why does capacitance exist in transmission lines. (2 Marks ) b) 132 kV three-phasetransmissionline arranged as shown in the figure has a length of 80 km and its conductor's diameter is 1.15 cm. Calculate: i) Inductance per phase (2 Marks) ii) Capacitance per phase (2 Marks ) iii) Charging current per phase (1 Mark) 5m 5m A BI Answer in the Word document (ANSWER SHEET) and Upload as attachment below
Explain the difference between kinetic and static friction. Do they both depend on the normal force...
Explain the difference between kinetic and static friction. Do they both depend on the normal force in the same way? Explain.
Consider the circuit as shown. Assume that E = 1.25 p.u. and V = 1.00 p.u. (You can assume that the transient reactance of the generator is j 0.03 pu.)
Consider the circuit as shown. Assume that E=1.25 p.u. and V=1.00 p.u. (You can assume that the transient reactance of the generator is j 0.03 pu.)
a) Find the initial power angle \(\delta\) when the active component of the load on the circuit is 2.8 p.u. [5 marks]
b) A three-phase short circuit takes place in the middle of transmission line 3 . Determine whether the system will remain stable or not when the fault is sustained (i.e., a permanent...
A 7-bus power system with three generators, six transformers, and seven transmission lines is shown in...
A 7-bus power system with three generators, six transformers, and seven transmission lines is shown in Figure Q1. The per-unit reactances for the generators and transfomers are based on their rated voltage and expressed in percentage. When a three-phase fault occurs at bus 5; three transmission lines, namely L4, L5, and L6, are disconnected from the power system. By taking the base apparent power of 100 MVA and the rated voltage of generator G1 as the reference, determine the per-unit...
Two long, parallel transmission lines, d = 40.0 cm apart, carry I1 = 25.0 A and...
Two long, parallel transmission lines, d = 40.0 cm apart, carry
I1 = 25.0 A and I2 = 75.0 A.
Don't do part A, only parts D-F.
2. Two long, parallel transmission lines, d = 40.0 cm apart, carry 11 = 25.0 A and 12 = 75.0 A. We are to find all locations where the net magnetic field due to the two wires is zero if these currents are in: i) the same direction and ii) the opposite direction....
Can you explain the T-S phase diagram in thermodynamics and what the lines mean? Thanks!
Can you explain the T-S phase diagram in thermodynamics and what the lines mean? Thanks!
What is the difference between Static pressure Stagnation pressure Dynamic pressure? Make a sketch and explain!...
What is the difference between Static pressure Stagnation pressure Dynamic pressure? Make a sketch and explain! What is the relation between the three pressures? How can you calculate the dynamic pressure?
Shunt Compensation Problem Consider a transmission line having V 220V, f = 56kW. We want to...
Shunt Compensation Problem Consider a transmission line having V 220V, f = 56kW. We want to 60HZ, X 1.20hm, and P_p shunt compensate this transmission line. Calculate: 1. Phase angle ? (delta) 2. Line current I 3. Reactive power Q_p of the shunt capacitive? compensator. Is this inductive or 4. Current I_comp flowing through the shunt compensator 5. Shunt capacitance needed. To perform the shunt compensation, you have available to you TSCS having a fixed capacitive impediance X_TSC 3.67ohm and...
Two three-phase power transmission lines with a nominal
operating voltage of 220 kV and a frequency of 60 Hz are connected
in series as shown below.
Per-phase constants of the first 110 km long energy transmission
line (E.İ.H.-1); r = 0.01035Ω / km, L = 1.554 mH / km, and C =
7.387 ∙ 10-3 µF / km. Constants per phase of the second 100 km long
energy transmission line (E.İ.H.2); Zh = 1.035 + j58.58 Ω / phase
and...
E1. a) Draw and explain why does capacitance exist in transmission lines. (2 Marks ) b) 132 kV three-phasetransmissionline arranged as shown in the figure has a length of 80 km and its conductor's diameter is 1.15 cm. Calculate: i) Inductance per phase (2 Marks) ii) Capacitance per phase (2 Marks ) iii) Charging current per phase (1 Mark) 5m 5m A BI Answer in the Word document (ANSWER SHEET) and Upload as attachment below
A 7-bus power system with three generators, six transformers, and seven transmission lines is shown in Figure Q1. The per-unit reactances for the generators and transfomers are based on their rated voltage and expressed in percentage. When a three-phase fault occurs at bus 5; three transmission lines, namely L4, L5, and L6, are disconnected from the power system. By taking the base apparent power of 100 MVA and the rated voltage of generator G1 as the reference, determine the per-unit...
Two long, parallel transmission lines, d = 40.0 cm apart, carry
I1 = 25.0 A and I2 = 75.0 A.
Don't do part A, only parts D-F.
2. Two long, parallel transmission lines, d = 40.0 cm apart, carry 11 = 25.0 A and 12 = 75.0 A. We are to find all locations where the net magnetic field due to the two wires is zero if these currents are in: i) the same direction and ii) the opposite direction....
Shunt Compensation Problem Consider a transmission line having V 220V, f = 56kW. We want to 60HZ, X 1.20hm, and P_p shunt compensate this transmission line. Calculate: 1. Phase angle ? (delta) 2. Line current I 3. Reactive power Q_p of the shunt capacitive? compensator. Is this inductive or 4. Current I_comp flowing through the shunt compensator 5. Shunt capacitance needed. To perform the shunt compensation, you have available to you TSCS having a fixed capacitive impediance X_TSC 3.67ohm and...
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