3. In the following power system, the base voltage in region 2 is 13.8 kV. The transformer reactance is in per unit. The transmission line and load impedance are in Ohms. Zoad = 300 N 13,2 kV TK9 = 10 + j100 S MVAprissdi i 13.24 - 132Y kV 10 MVAnia 138Y – 69A kV X, = 0.1 X12 = 0.08 %3D Determine the following a. The base complex power in regions 1, 2, and 3 b. Base voltage in regions 1, 2, and 3 c. Base impedance in regions 1, 2 and 3

Q: The shunt branches of are neglected to draw the reactance diagram. Static Loads Transformer O…

A: The explanation is as follows.

Q: Three 100kVA 34.5kV primary 12/6.9kV secondary. Connect the transformers delta-wye. What is the…

A: Given: A transformer with Three 100kVA 34.5kV primary 12/6.9kV secondary. Primary is delta…

Q: A 209 V / 125 V single-phase transformer has a core loss of 120 W and the no-load current is 0.7 A.…

A: We need to calculate power factor .we will use given data to calculate power factor

Q: A generator is delivering power to infinite bus during post fault condition is 1.10 p.u at a power…

A: The solution can be achieved as follows.

Q: A small filament transformer has a laminated sheet steel core whose average path length is 20cm and…

A: Given Average path lenght = 20 cm Cross sectional area = 5 cm2 Primary winding connection 120 V and…

Q: A transformer has a rated output of 300 kVA at a power factor of 1.2. Determine the rated power…

A: Please comment if you need any clarification. If you find my answer useful please put thumbs up.…

Q: A 3-phase 100OKVA, 11000/416 transformer is delta-connected on the primary and star connected on the…

A: A transformer is an electrical machine which is used in AC circuit to either step up or step down…

Q: In a single phase transformer, if the RMS value of emf is 240 V, then the average value is.

A:

Q: If the core loss of single phase transformer at full load is 294 W, then the core loss at 50% of…

A: In this question we need to find a core loss of a transformer  at 50% load

Q: In transformer, the loss which remains constant irrespective of load is

A: Correct answer is Core losses core losses in the transformer consists of hysteresis and eddy current…

Q: Above is the one-line diagram of a simple power system. Each generator is represented by an emf…

A: The Given symmetric fault occurs 1 through a fault impedance Zi=j0.08 perunit. To determine the…

Q: EXe A loo KvA transformer has y00turps on tHe Primary and & tuang on tHhe secondary. Th polay and…

A:

Q: The three-phase ratings of a three-winding transformer are: Primary Y-connected, 66 kV, 24 MVA…

A:

Q: In the transformer circuit below, a load of 2.5cis20° Ohms is connected to the output terminals of…

A:

Q: Figure 1 shows the block diagram of the UPFC. With the use of the phasor diagrams, explain how the…

A: Figure 1 shows the block diagram of the UPFC. With the use of the phasor diagrams, explain how the…

Q: A 400/200 volts transformer has pu impedance of 0.05. The HV side voltage required to circulate full…

A: Turns ratio 400/200  i.e. Base voltage for HV, VHV(base)= 400 V Base voltage for LV, VLV(base) = 200…

Q: 4. The load cycle of a three-phase 100 kVA, 11/0.4 kV, 50HZ transformer for one day is given in the…

A: Lp

Q: the cross over frequency of the system with transformer function k[s+1]/s2 and phase margin equal to…

A: In this question,  We need to calculate the the cross over frequency of the system with transformer…

Q: Three Phase Transformer 3 Three Phase Transformer 4 Transformer 2 Transformer 4 Transformer 1…

A: Four circuit connections are given in the question.Note: For all the transformers the primary side…

Q: In a single phase transformer, if the average value of emf is 239 V, then RMS value is

A:

Q: 8A (L 2A

A: In source transformation, one source works at a time. When 8 A is OC , 9 ohm and 3 ohm resistors…

Q: 05 V/ 129 V single-phase transformer has a core loss of 124 W and the no-load current is 0.8 A. The…

A:

Q: If the core loss of single phase transformer at full load is 284 W, then the core loss at 25% of…

A: Core losses at full load = 284W. Find the core losses at 25% load?

Q: If the core loss of single phase transformer at full load is 316 W, then the core loss at 50% of…

A: If the core losses of single phase transform at full load = 316W Find the losses at 50% load?

Q: Manufacturers usually specify the impedances of machines and transformers in O Percent O Per-unit O…

A: Need to Find correct option

Q: QUESTION 19 E-06, PC-02. Three inductors 15 mH, 15 mH and 15 mH are connected in series. What is the…

A:

Q: single phase transformer

A:

Q: In short circuit of single phase transformer input power is equal to

A: Short circuit test usually conducted on H.V side and L.V side is short circuited.

Q: QUESTION 12 A single phase 600v/120v transformer has a load of 30 ohms resistive and 20 ohms…

A:

Q: Eddy current losses can be reduced by making the core of a stack of plates electrically insulated…

A:

Q: Solve it quickly please

A: From the above problem we have given  Hence symmetrical component of voltage is given as

Q: In medium transformers, the total iron losses may vary from. rated output. % of the 0.4 to 1 O 0.2…

A: The iron loss of the transformer is defined as the sum of the hysteresis current loss, eddy current…

Q: The actual impedance of a load is 30 OHM. The per-unit impedance of the load is 0.5 pu when Base…

A: In this answer let us try to find the base power used in order to get the given per unit impedance…

Q: the core loss of single phase transformer at full O 52W O 105W O 13W O 210W

A: In transformer, mainly two losses present namely core and copper losses.

Q: A 3-phase transformer rated for 33 kV/11 kV is connected in delta/star as shown in figure. The…

A: Given- 3-phase transformer, 33 kV/11 kV delta star connection as shown, Fault current = 300 A, To…

Q: If the core loss of single phase transformer at full load is 98 W, then the core loss at 25% of load…

A: In the transformer core losses independent of load.   We can also say in the transformer core losses…

Q: 210⁰ and Ic=980 cis - 60°. Find the negative sequence of phase B current. 11. The phase B current of…

A: In this question we need to find a current in line B

Q: 3. Single-phase T1-transformer with a power of 500 kVA and a single-phase T2- with a power of 400…

A: Power factor: This tells how much active power is utilized by the circuit from the apparent power.

Q: The distribution factor for 90 slots, 10-pole, 3-phase winding is A 0.90 B C D 0.895 0.959 0.978

A: Given: A 3-phase winding machine with, Slots = 90. Pole = 10.

Q: explain why Transformers are necessary in all stages of power distribution systems. Three-phase…

A: Given: Transformer: Transformer is a static device used for the transfer of varying voltage and…

Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.