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A balanced 3-phase circuit with wye connected source supplies a delta connected load trough a short transmission line. The line to line voltages of the load are 12.47kV.
Select the phase line-to natural load voltage as reference voltage (phase angle =0 )
• The delta connected load P=450kW pf = 0.8 lag• the short transmission line impedance is Z=2.2+j6.8a) Draw a detailed circuit diagram and analyze
b) calculate the delta connected load complex power and load current on phase ab
c) Calculate the supply and transmission line current on phase abD) Calculate necessary supply voltage phase "a" and total supply apparent power.
An object is placed 2.0 cm in front of diverging lens, which has a power of -25 diopters. Where is the image located at?
transpower is asking for anyone with ideas that could delay the need for new power lines into auckland to come
how to connect two n channel mosfet and then how we can measure the surface potential between its common drain
Two coupled coils have self-inductances L1 = 50 mH and L2 = 200 mH, and a coefficient of coupling k = 0.5. If coil 2 has 1000 turns, and I1 = 5Sin (400t) (i.e. the phasor current is 5? -90° A). Find the voltage at coil 2 and the flux through coil ..
Under high-signal test conditions, a certain audio amplifier supplies a 24 V rms 1-kHz sinusoidal voltage to an 8- Ω load. The power supply delivers 4 A at a voltage of 50 V to the amplifier. The signal power supplied by the input source is neglig..
This will allow us to represent 256 numbers in that range, and there are only 6 integers in that range, so we'll be able to represent 250non-integral values, such as, perhaps, 2.5. Assume we will use a representation with 0xff representing 5 and 0..
Find the electric field at the corner of the square of sidérant 30 cm at the corner P due to the charge at the other three q1=4.0uc,q2=7.0uc and q3= 3.0uc (b) compute the electric potential at the point p.
A three-phase induction motor operates at a slip of 3% and has a rotor copper loss of 300W. The rotational loss is 1500W. Determine (a) The air-gap power (b) The power output (c) If the rotor impedance is 0.2+j0.8 ohm/phase,
The heating element in a soldering iron has a resistance of 30-ohm. Find the average power dissipated in the soldering iron if it is connected to a voltage source of 117 V rms.
show that the circuit delivers maximum average power to a load Zl = Rl + jXl when Rl = Rg and Xl = - Xg ii. show that maximum average power transfer theorem for ac circuits.( in both cases Vg and Zg are fixed and the load is variable)
A glass tube with a cross-sectional area of 9^-2 m^2 contains an ionizd gas. The densities are 10^15 positive ions/m^ and 10^11 free electrons/m^3. Under the influence of an applied voltage, the postive ions are moving.
In Fig. an 8-Ω heater is connected to the 120-Ωac power line by two 50-ft lengths of copper wire. If each 50-ft length of wire has a resistance of 0.08 V, then calculate the following- The total length of copper wire that connects the 8-Ω heater t..
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