I have few questions as shown in photo (red colour).
But can you answer whole question?
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I have few questions as shown in photo (red colour).
But can you answer whole question?...
Can someone solve this with some notes explaning why is that so? When should we use...
Can someone solve this with some notes explaning why is that
so? When should we use a and when should we use a' in the
calculation
b) Three sets of single-phase transformers each of rating 60 kVA, 1100/254 V, 50 Hz are connected to form a three-phase, 1100/440 V, transformer bank. The equivalent impedance of each transformer referred to low voltage side is (0.04 + j 0.16) ?. The three-phase transformer bank supplies a load of 150 kVA at a...
please the power factors given in the question are different which are 0.8 and 0.85 please...
please the power factors given in the question are
different which are 0.8 and 0.85 please explain to me which one
would be used in the calculations and why is it used? please I want
a typed copy of it.
b. A single-phase power system is shown below. The power source feeds a 100-kVA, 14/2.4 - kV transformer through a feeder impedance of 40.0 +j15022. The transformer's equivalent series impedance referred to its low-voltage side is 0.12 + j0.5 22....
A three-phase Y-A transformer is rated 225-kV:24-kV, 400 MVA and has a single-phase equivalent series reactance...
A three-phase Y-A transformer is rated 225-kV:24-kV, 400 MVA and has a single-phase equivalent series reactance of 6.08 ? as referred to its high-voltage terminals. The transformer is supplying a load of 375 MVA at 0.89 power factor leading at a voltage of 24 kV (line to line) on its low-voltage side. It is supplied from a feeder whose impedance is 0.17 +/2.2 ? connected to its high-voltage terminals. For these conditions, calculate (a) the line-to-line voltage at the high-...
can I have the correct solutions, answers are given impedance of (2 + j4)n per phase,...
can I have the correct
solutions, answers are given
impedance of (2 + j4)n per phase, feeds two balanced 2.7 A three-phase line, which has an three-phase loads that are connected in parallel. One of the loads is Y-connected with an impedance of (30 + (60 - impedance of j40)N per phase, and the other is A-connected with an j45) per phase. The line is energized at the sending end from a 60-Hz, three-phase, balanced voltage source of 120V3 V...
Please answer ALL PARTS of this question. 1) Calculate the three line currents . Enter its...
Please answer ALL PARTS of this question.
1) Calculate the three line
currents . Enter its magnitude in A
2) Calculate the three line currents . Enter its phase angle in degrees
3) Calculate the phase voltage at terminal of the load. Enter its
magnitude in V
4) Calculate the phase voltage at terminal of the load. Enter its phase
angle in degrees
5) Calculate the line voltage at the load. Enter its magnitude in V
6) Calculate the line...
solve no: 3.14 , 3.16, 3.19 please show each step and solve for beginners 120 Power...
solve no: 3.14 , 3.16, 3.19
please show each step and solve for beginners
120 Power System Analysis 3.12. A single-phase system similar to that shown in Figure 3.11 has two transformers A-B a B-C connected by a line B feeding a load at the receiving end C. The ratings and parame ter values of the components are 500 V/1.5 kV, 9.6 kVA. leakage reactance 5 % 1.2 kV/120 V, 7.2 kVA, leakage reactance 4 % series impedance (0.5 +...
can you calculate this question and explain why? thanks 1. A 250-kVA, 11000/2200-V, 50-Hz, single-phase transformer...
can you calculate this question and explain why?
thanks
1. A 250-kVA, 11000/2200-V, 50-Hz, single-phase transformer has the following parameters: RI 1.3 , R2 0.05 , Rel 193 k2, X1 4.5 Q X2 0.16 2 I,- 80 kQ Xml (a) Draw the approximate equivalent circuit of the transformer showing all the circuit parameters referred to the low-voltage side. Use the approximate equivalent circuit to calculate the input voltage and voltage regulation of the transformer when it delivers full load at...
Can you please answer both (d) and Question - 5. (d) The equivalent circuit parameters of...
Can you please answer both (d) and Question - 5.
(d) The equivalent circuit parameters of the motor in (a), at 50Hz, are: R; = 1.50; X;= X, = 40; R = 20; and Xx = 1000 If the motor is to develop its maximum torque at standstill, calculate the output frequency and voltage (RMS) from the inverter, if the air-gap flux remains constant. [6 marks) Question 5 A 4-pole 3-phase, 50 Hz, Y-connected, non-salient pole synchronous motor has the...
Can someone solve this with some notes explaning why is that
so? When should we use a and when should we use a' in the
calculation
b) Three sets of single-phase transformers each of rating 60 kVA, 1100/254 V, 50 Hz are connected to form a three-phase, 1100/440 V, transformer bank. The equivalent impedance of each transformer referred to low voltage side is (0.04 + j 0.16) ?. The three-phase transformer bank supplies a load of 150 kVA at a...
please the power factors given in the question are
different which are 0.8 and 0.85 please explain to me which one
would be used in the calculations and why is it used? please I want
a typed copy of it.
b. A single-phase power system is shown below. The power source feeds a 100-kVA, 14/2.4 - kV transformer through a feeder impedance of 40.0 +j15022. The transformer's equivalent series impedance referred to its low-voltage side is 0.12 + j0.5 22....
A three-phase Y-A transformer is rated 225-kV:24-kV, 400 MVA and has a single-phase equivalent series reactance of 6.08 ? as referred to its high-voltage terminals. The transformer is supplying a load of 375 MVA at 0.89 power factor leading at a voltage of 24 kV (line to line) on its low-voltage side. It is supplied from a feeder whose impedance is 0.17 +/2.2 ? connected to its high-voltage terminals. For these conditions, calculate (a) the line-to-line voltage at the high-...
can I have the correct
solutions, answers are given
impedance of (2 + j4)n per phase, feeds two balanced 2.7 A three-phase line, which has an three-phase loads that are connected in parallel. One of the loads is Y-connected with an impedance of (30 + (60 - impedance of j40)N per phase, and the other is A-connected with an j45) per phase. The line is energized at the sending end from a 60-Hz, three-phase, balanced voltage source of 120V3 V...
Please answer ALL PARTS of this question.
1) Calculate the three line
currents . Enter its magnitude in A
2) Calculate the three line currents . Enter its phase angle in degrees
3) Calculate the phase voltage at terminal of the load. Enter its
magnitude in V
4) Calculate the phase voltage at terminal of the load. Enter its phase
angle in degrees
5) Calculate the line voltage at the load. Enter its magnitude in V
6) Calculate the line...
solve no: 3.14 , 3.16, 3.19
please show each step and solve for beginners
120 Power System Analysis 3.12. A single-phase system similar to that shown in Figure 3.11 has two transformers A-B a B-C connected by a line B feeding a load at the receiving end C. The ratings and parame ter values of the components are 500 V/1.5 kV, 9.6 kVA. leakage reactance 5 % 1.2 kV/120 V, 7.2 kVA, leakage reactance 4 % series impedance (0.5 +...
can you calculate this question and explain why?
thanks
1. A 250-kVA, 11000/2200-V, 50-Hz, single-phase transformer has the following parameters: RI 1.3 , R2 0.05 , Rel 193 k2, X1 4.5 Q X2 0.16 2 I,- 80 kQ Xml (a) Draw the approximate equivalent circuit of the transformer showing all the circuit parameters referred to the low-voltage side. Use the approximate equivalent circuit to calculate the input voltage and voltage regulation of the transformer when it delivers full load at...
Can you please answer both (d) and Question - 5.
(d) The equivalent circuit parameters of the motor in (a), at 50Hz, are: R; = 1.50; X;= X, = 40; R = 20; and Xx = 1000 If the motor is to develop its maximum torque at standstill, calculate the output frequency and voltage (RMS) from the inverter, if the air-gap flux remains constant. [6 marks) Question 5 A 4-pole 3-phase, 50 Hz, Y-connected, non-salient pole synchronous motor has the...
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