Explain why three phase and not two phase circuits and machines are the preferred choice in industrial applications?
Explain why three phase and not two phase circuits and machines are the preferred choice in...
discuss whether newer strands resemble series circuits or parallel circuits and explain why. What are some pros and cons of using series vs. parallel circuits, not only in Christmas lights but in other household applications? Identify an everyday household use where series circuits would be more useful and explain why. Identify an everyday household use where parallel circuits would be more useful and explain why. Are there situations where it would be useful to use a combination of series and...
Explain in detail about the star delta transformation technique of solving three phase unbalanced circuits.
1- need to tell the methods and explain then
calculate
2- for one and three-phase
1- can be a work about diodes
best regards
Electrotechnics Methods of solving linear DC circuits. Superposition method and Thevenini method. 1. Calculate the currents in the following circuit using the superposition and Thevenini method. Data: R1-200 Ω; R2-200 Ω,R3-100 Ω E1-200 V; E2-100 V; E3-200 V ind all the currents I1, 12 and 13. R1 R3 ЕЗ E1 R2 E2 Apparatus and methods for...
What is the effect of neutral connections in three-phase wye connected circuits?
508 CHAPTER 11 . POLYPHASE CIRCUITS 11.40 In a balanced three-phase system, the source has an aboc phase-sequence and is connected in delta. There are two rallel wye-connected loads. The phase impedance of load i and load 2 is 4 The line impedance connecting the source to the loads is 0.3 + j0.2 2. If the curre IAN! = 10/20-Arms, find the delta currents in the source 4 Ω and 10 +/4 Ω, respectively. nt in the a phase of...
Explain why it is generally more preferred to use a three-electrode system (composed of working, counter, and reference electrodes) than a two-electrode system in electrochemical analysis. Also explain the role of working, counter, and reference electrodes, respectively, in a three-electrode system.
V. The figure showed a balanced Y - A three phase circuits. The phase voltages of the Y - connected source are Va = 1107_0° Vrms, Vo = 1101_-120° Vms, and V. = 1107_120° Vrms. The line impedance are each ZL = 10 + j5 12. The impedance of the A-connected load are each ZA = 75 + j225 1. Determine the phase currents in the A-connected load. ZL] b TAB & A B Zi IGB Zo Voy IV Tech...
h Dnd the single-phase load produce an unbalance? C Yes No REVIEW QUESTIONS 1. Explain why the alternator output voltage increases with capacitive loading.(4) Could it be dangerous to connect an alternator to a long transmission line, if the line looks like a capacitor? Explain. (4) 2. Yes D No 3. The rotor of an alternator, at rated power, dissipates more heat at a low power factor (lagging) load than a high power factor load. Explain. (4) 4. If an...
Is there any application of three-phase symmetrical components transformation for the performance analysis of electric machines? Give your explanation.
(b) Explain why starting torque and running torque are different in three phase induction motor. (2 marks)