For the circuit shown below, Given that V 100Z0°Vm and I = 30245°Ams then the values of P, and Q3 are %3D given as Is VAR 600 Capacitive 1200 W 1400 VAR 800 W Vs Inductive ○ Pッ %3D0.6kw Q3 = 2.3 kVAr capacitive P, = 0.6 kW Q3 = 0.7 kVAr inductive P = 0.12 kW Q = 2.92 kVAr capacitive
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- 1.1 We have two loads in delta and another in star in parallel, the impedances of the branches of the delta are equal and we have that RΔ=1p.u. and XΔ=0.75 p.u., while in the star we have equal values of the branches, but formed by admittances where we have the conductance in parallel GY=0.64 p.u. and inductive susceptance of BY=-j0.48 p.u. If the loads are being supplied by a positive sequence balanced three-phase source with line-to-line voltage of phases a and b of Vab=1∠ 30º, if the base values are line-to-line base voltage of 1kV and three-phase base power of 100kW. DetermineA) Line and phase voltages, line and phase currents of the load in delta, line and phase voltages of the star, line and phase currents of the star.B) Obtain separately the phasor diagram of the delta and star load with the values obtained in A), indicate on the scale that these are 1 p.u.=5cm for example.C) obtain the power triangle and the power factor separately for each load. D) Obtain the power…Impedances Z2 and Z3 in parallel are in series with impedance Z1 across a 100 V, 50 Hz acsupply. Z1 =6.25 + j 1.25 ohm; Z2 = 5 + j0 ohm and Z3 = 5 – jXc ohm. Determine the value ofcapacitance of Xc such that the total current of the circuit will be in phase with the totalvoltage. When is then the circuit current and power.Consider the current i(t)= 30sin(100t+90o) mA. is applied the circuit given below. a) Find and draw phasor equivalent of the circuit b) Find Iload and Vload phasors and and draw them on the real-imaginary axis. Find iload(t) and vload(t) via inverse phasor, comment phase angles c)Find active, reactive and complex power (P,Q,S) absorbed by the load. please fast
- An RLC series circuit connected to a 110 – volt and 50 – cycle AC source, contains the following series resistances and reactances: R1 = 10 ohm, R2 = 15, R3 = 5 ohms, XL1 = 20 ohms, XL2 = 25 ohms, XC = 40 ohms. Find the following: a.) EQUIVALENT REACTANCE b.) TOTAL IMPEDANCE c.) VOLTAGE DROP ACROSS THE CAPACITOR d.) TOTAL INDUCTANCE IN MILLIHENRY e.) TOTAL CURRENT f.) REACTIVE POWER g.) REAL POWER DRAW THE PHASOR DIAGRAM IF POSSIBLE AND ROUND OFF TO FOUR DECIMAL PLACES(a) Calculate the equivalent impedance of the circuit given below, if the source voltage is v(t) = 60cos1000t (b) Calculate the source current flowing in the circuit (c) Draw the phasor diagram of the current and input voltageQ: For the following SLD, take Sg = 100 MVA and VB = 22 kV at Bus 1to:1. Draw the impedance diagram with all impedances in pu2. Find Em- 30 MVA40 MVA30 MVAX= j0.6 puX= j0.3 pu(40:15) kV18 kV(15:35) kVEgEmX= j0.3 pu(3+j4) QT.L50 MVA Ti Bus 1Bus 2 T2Load40 MVA23 kVBus 318 kVX = j0.5 pupf = 0.65 lead
- A series resistance – capacitance (R – C) circuit is connected to 230 – volt, 50 cycle AC source. The current through the resistor is 45.45 A and the power taken by the circuit is 5,000 watts. Compute the following: a.) VOLTAGE DROP ACROSS THE RESISTOR b.) POWER FACTOR ANGLE c.) CIRCUIT IMPEDANCE d.) OHMIC VALUE OF THE RESISTOR e.) CAPACITIVE REACTANCE f.) CAPACITANCE IN MICROFARAD g.) APPARARENT POWER PLS SOLVE ALL ROUND OFF TO FOUR DECIMAL PLACESA series resistance – capacitance (R – C) circuit is connected to 230 – volt, 50 cycle AC source. The current through the resistor is 45.45 A and the power taken by the circuit is 5,000 watts. Compute the following: a.) VOLTAGE DROP ACROSS THE RESISTOR b.) POWER FACTOR ANGLE c.) CIRCUIT IMPEDANCE d.) OHMIC VALUE OF THE RESISTOR e.) CAPACITIVE REACTANCE f.) CAPACITANCE IN MICROFARAD g.) APPARARENT POWER PLS SOLVE ALL ROUND OFF TO FOUR DECIMAL PLACES solvE LETTER D, E F, AND G PLSS PLSS KINDLY SOLVE FASTInclassofENG100youwereaskedtoconnectacoilofresistance50Ωand inductance0.318Hwithacircuitcomprisinga75Ωresistorinserieswitha 159µFcapacitor.Andyouconnectedyourresultingcircuittoa240v,50HzAC supply. Calculate: (a)the supply current of your circuit; EV(7) (b)the circuit impedance, resistance and reactance; CR(7) (c)the phase angle of the resulting current,use (sine) as your reference and explain your result. AN(6) Question2
- ChatGPT 3.5 You A balanced load is connected in star across a 3 phase 415V 50Hz supply. The load consists of a coil of resistance 25 ohms and inductance 0.5 henry in parallel with a pure resistance of 28 ohms and a pure capacitor of 60 microfarads capacitance ib each branch Calculate I. The line currents Ii. The overall power factor. iii. The power delivered from the supply. iv. The power dissipated in the resistors and coils. v. The current in the neutral supported by a reason why its value is that deduced ?Find the following: the power drawn by the 100ohm variable resistor If the variable resistor is set to 200-ohms, instead of 100-ohms, What is the power drawn by the 200-ohms resistor? total current of the system Is the circuit inductive, capacitive, or neither (resistive)? NOTE: Polar form for Voltage & Current. Rectangular form for ImpedanceAC electrical circuit is below: (refer picture below) a. Determine the current flowing in the load. b. If it is desired that the system power factor be 0.9. With system frequency = 50 Hz. Determine how large the capacitor is must be installed? Which one is correct? A/B/others answer A. C = 7.7015 mF B. C = 35.243 µF c. Please Draw all the phasor. Please give complete, details, and correct answer. Please do step by step, draw the phasor Please using handwriting (not typing ). THANK YOU, I WILL GIVE MANY THUMBS UP.