Describe the 3 phase star - delta motor circuit with circuit? please don't use Al answer I will dislike
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- . Two dc shunt generators A and B are rated at 100 and 150 kW at 110 V respectively, Their external load characteristics may be considered as straight line. The voltage drop In the terminal voltage from no-load to full-load Is 10 V for A and 20 V ſor B. Determine the operating voltage when these generators are operated in parallel to supply a load of 220 kW.Three Phase Systems and Electrical Measurement What are symmetrical components and why are they used?What is voltage stability? How is reactive power linked with the voltage stability in the power system? Write down the effect of ‘Load Tap Changer (LTC)’ on voltage stability and analyze very briefly using P-U (nose) curve.
- Answer the Question on the picture and answer this question SECOND QUESTION: what is the power factor of the circuits. Determing also whether it is lagging or leading.Q3/ A/ Compare between de series and shunt generator. Q3/ B/ Briefly explain the commutating process in dc machine.Problem- Basics of Chopper & Types Calculate the R.M.S value of the fundamental component of current in a single phase Half bridge having a resistive load of 109 and supplied by an input DC voltage of 50V?
- A DC series generator is supplying a current of 5A to a series lighting system through a feeder ofto total resistance, 1.0 ohm. The terminal voltage is 2500 V. The armature and series fieldresistances are respectively 18 and 15 ohms respectively. A 30-ohm diverter resistance isshunted across the series field. Determine the power developed in the armature of thegenerator?Discuss how delta connection is achieved in three-phase systems?obtain the closed loop troosfer function for the system below?
- To improve power factor by static capacitor method. If the capacitance per phase is increases, then current taking from supply is Does not change Increases O Doubled O Decreases In synchronous condenser method to increase power factor, synchronous motor is act as capacitive (Capacitor) nature at O No load, rated excitation condition. Full load under excitation condition O No load, under excitation condition. No load, over excitation condition. 0S の ENG 10/CState True or false a- The DC load flow study is a linear analysis b- In a load frequency control, a generator unit equipped with a governor can be assumed to be a controlled unit.8 = 0 Q1: What does happen if we change two currents? Q2: What does happen if we have a three-phase four poles machine? a Q3: What does happen if we have a two-phase two poles machine? Q4: What does happen if we apply a capacitance in phase b and then use same voltage for both phase. Dr. Ali K....p. . --