Current Transformer design
Design a high voltage current transformer with these specifications:
1 Measure currents up to a maximum of 10kA fault current
2 Should be able to withstand voltages up to 132 kVrms ac phase-phase, and 650kV peak standard lightning impulse.
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Design a solar PV generating installation to meet the following specifications: Peak rating 7.5kW Inverter AC volta...
Design a solar PV generating installation to meet the following specifications: Peak rating 7.5kW Inverter AC voltage 230 V, single-phase Module (panel) specifications are: Peak rating 400 W Voltage at maximum rating: 50 V Current at maximum rating: 8 A. Determine the number of parallel strings, the number of modules per string, a suitable DC voltage and amplitude modulation index Ma value in the range 0.75 Ma <0.97
Design a solar PV generating installation to meet the following specifications: Peak...
1. Power supply (ac to dc) design. [10 pts.] Design a full-wave bridge rectifier circuit to deliv...
1. Power supply (ac to dc) design. [10 pts.] Design a full-wave bridge rectifier circuit to deliver 10 volts dc with less than 0.1 volt (peak to peak) ripple into a load drawing up to 10 mA. (a) Choose the appropriate ac input voltage from the transformer secondary assuming the usual voltage drops for silicon diodes. (b) Determine the correct capacitor value to ensure the specified ripple in your calculation (c) What fuse value should you select for the primary...
Please help me to answer those question and answer with PHASOR MAGNITUDE and PHASE ANGLE Part...
Please help me to answer those question and answer with PHASOR
MAGNITUDE and PHASE ANGLE
Part 1:
Taking the rated power of generator G1 as the base power, and
the transformer T1 low-voltage
side rated voltage as the base voltage, calculate the Thevanin’s
equivalent zero-sequence
impedance, positive sequence impedance and the negative sequence
impedance viewed from
Bus-2. Specify your answers in per-unit.
Part 2:
Assuming the pre-fault bus voltages are at 1.02 pu, calculate the
fault currents in each phase...
Use a transformer, a bridge rectifier IC, and a capacitor to design a battery charger. If...
Use a transformer, a bridge rectifier IC, and a capacitor to design a battery charger. If the input power is from the regular power line (120rms, 60Hz) and the battery is 12-V battery. The peak-to-peak ripple voltage across the battery should be no more than 2V. Assume the battery internal resistance is 100. 1) Draw the circuit diagram; 2) Explain how it works; 3) Specify the value of the turns ratio of the transformer and peak inverse voltage of diode....
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which ...
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96 X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8...
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a0.50) The impedances of this transformer referred to the primary side are The equivalent circuit is shown below lf (a) If the secondary current of the transformer is i,()-7.07sin(3771-36.87) A, what is the primary current of this transformer? (20 points) HINTS: I. Peak values of the secondary voltage and current are specified in...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96) X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
Design a BJT amplifier based on the specifications provided in the table below. Your design shoul...
THE STEPS TO DO SO:
Design a BJT amplifier based on the specifications provided in the table below. Your design should be insensitive to β variations, and both the input and the output should be AC coupled as in Fig. 1. Supply Voltage, Vcc Load Resistance, RL Transistor's Current Gain, β Relative Variation of lc for VBE-0.7 ± 0.1 V 0-to-Peak Output Swing, Vo Voltage Gain, A Input Resistance, R THD for 5kHz IV (0-to-peak) Sine Wave Output Voltage, V。S5%...
1. A three-phase synchronous generator connected to a 345-KV transmission line through a transformer as shown...
1. A three-phase synchronous generator connected to a 345-KV transmission line through a transformer as shown in Figure P1. Parameters of both generator and transformer are given in the figure. Transformer losses and exciting current are neglected. A three-phase short-circuit occurs on the line side of the circuit breaker when the generator is operated at rated terminal voltage and at no-load. The breaker interrupts the fault three cycles after fault inception. Neglect the effect of the transformer on the time...
1. Write an equation that describes voltage supplied by a wall outlet. (f = 60 Hz,...
1. Write an equation that describes voltage supplied by
a wall outlet.
(f = 60 Hz, Vrms = 120 V)
2. What is the instantaneous voltage of a sine wave at
half of a period?
Describe Alternating Current (AC). Explain how resistors, capacitors, and inductors behave in an AC circuit. WRITEUP REQUIREMENTS Informal: Questions - 6 pts, Data Tables - 3 pts, Survey Questions from Syllabus - 1 pt INTRODUCTION V Up to this point, we have been using supply...
Design a solar PV generating installation to meet the following specifications: Peak rating 7.5kW Inverter AC voltage 230 V, single-phase Module (panel) specifications are: Peak rating 400 W Voltage at maximum rating: 50 V Current at maximum rating: 8 A. Determine the number of parallel strings, the number of modules per string, a suitable DC voltage and amplitude modulation index Ma value in the range 0.75 Ma <0.97
Design a solar PV generating installation to meet the following specifications: Peak...
1. Power supply (ac to dc) design. [10 pts.] Design a full-wave bridge rectifier circuit to deliver 10 volts dc with less than 0.1 volt (peak to peak) ripple into a load drawing up to 10 mA. (a) Choose the appropriate ac input voltage from the transformer secondary assuming the usual voltage drops for silicon diodes. (b) Determine the correct capacitor value to ensure the specified ripple in your calculation (c) What fuse value should you select for the primary...
Please help me to answer those question and answer with PHASOR
MAGNITUDE and PHASE ANGLE
Part 1:
Taking the rated power of generator G1 as the base power, and
the transformer T1 low-voltage
side rated voltage as the base voltage, calculate the Thevanin’s
equivalent zero-sequence
impedance, positive sequence impedance and the negative sequence
impedance viewed from
Bus-2. Specify your answers in per-unit.
Part 2:
Assuming the pre-fault bus voltages are at 1.02 pu, calculate the
fault currents in each phase...
Bus A Bus B R1 TI ine 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96 X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
Problem 1: The secondary winding of a transformer has a terminal voltage of v, (t) 282.8 sin 377t V. The turns ratio of the transformer is 100:200 (a0.50) The impedances of this transformer referred to the primary side are The equivalent circuit is shown below lf (a) If the secondary current of the transformer is i,()-7.07sin(3771-36.87) A, what is the primary current of this transformer? (20 points) HINTS: I. Peak values of the secondary voltage and current are specified in...
Bus A Bus B R1 T1 line 1 20% 80% line 2 T2 R2 110 kV 11 kV The fault is located at point F, which is 20% of the total line 2 length from Bus B Fault MVA 1524.20471 Three-phase fault level in MVA at bus A SPFL (kA) 8 MVA1 MVA2 X1 (96) X2 (96) R1 (2) R2 (Q) z' (Q) Zo (2) Rf (Q) Single phase to ground fault level (kA) at bus A Transformer 1 MVA...
THE STEPS TO DO SO:
Design a BJT amplifier based on the specifications provided in the table below. Your design should be insensitive to β variations, and both the input and the output should be AC coupled as in Fig. 1. Supply Voltage, Vcc Load Resistance, RL Transistor's Current Gain, β Relative Variation of lc for VBE-0.7 ± 0.1 V 0-to-Peak Output Swing, Vo Voltage Gain, A Input Resistance, R THD for 5kHz IV (0-to-peak) Sine Wave Output Voltage, V。S5%...
1. A three-phase synchronous generator connected to a 345-KV transmission line through a transformer as shown in Figure P1. Parameters of both generator and transformer are given in the figure. Transformer losses and exciting current are neglected. A three-phase short-circuit occurs on the line side of the circuit breaker when the generator is operated at rated terminal voltage and at no-load. The breaker interrupts the fault three cycles after fault inception. Neglect the effect of the transformer on the time...
1. Write an equation that describes voltage supplied by
a wall outlet.
(f = 60 Hz, Vrms = 120 V)
2. What is the instantaneous voltage of a sine wave at
half of a period?
Describe Alternating Current (AC). Explain how resistors, capacitors, and inductors behave in an AC circuit. WRITEUP REQUIREMENTS Informal: Questions - 6 pts, Data Tables - 3 pts, Survey Questions from Syllabus - 1 pt INTRODUCTION V Up to this point, we have been using supply...
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