2.29 Three 10, 100 kVA, 2300/460 V, 60 Hz transformers are connected to form a 30, 2300/460 V trans- former bank. The equivalent impedance of each transformer referred to its low-voltage side is 0.045 +10.16 2. The transformer is connected to a 36 source through 30 feeders, the impedance of each feeder being 0.5 +j1.5 2. The transformer delivers full load at 460 V and 0.85 power factor lagging. (a) Draw a schematic diagram showing the transformer connection. (b) Determine the single-phase equivalent circuit. (c) Determine the sending end voltage of the 30 source. (d) Determine the transformer winding currents.

Q: A 25 KVA single phase transformer has turns ratio of 100/29. If low voltage side is connected to 250…

A: Solution: Given data; KVA =25 KVA, single phase transformer ; turns ratio=N1N2…

Q: Ql-phase step down transformer 1250 KVA, 110002200 V, 50 Hz. The resistance iphase and leakage…

A:

Q: Ql-phase step down transformer 1250 KVA, 11000/2200 V, 50 Hz . The resistance /phase and leakage…

A: (i) The per-phase secondary voltage in the star-connected secondary winding can be calculated as,

Q: The ratings of a three-phase, three-winding transformer are Primary: Y-connected, 64 kV, 15 MVA…

A: The ratings of a three-phase, three-winding transformer are as follows,Primary: Y-connected, 64 kV,…

Q: A 2400/240 V, 200 kVA, single phase transformer has a core loss of 1.8 kW at rated voltage. Its…

A: A 2400/240 V, 200 kVA Single phase transformer- Core loss Pe=1.8 kW, Equivalent resistance Reqv=1.1%…

Q: Please select the zero sequence equivalent circuit of the transformer shown below. DOA Circuit: O…

A:

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

A:

Q: A short transmission line connects a step-up transformer on the source side with a series impedance…

A: It is given that: VL=17 kVVph=173 kVN1N2=114N3N4=181ZL=0.463+j0.0772 ΩX1=j0.5 ΩR1=50 Ω

Q: find the voltage on primary side in pu.

A: Given that, Primary Voltage (V1)=2000 V, Secondary Voltage (V2)=200 V, Primary Impedance (Z1)=0.12+…

Q: Ql-phase step down transformer 1250 KVA, 1 1000/2200 V, 50 Hz .The resistance /phase and leakage…

A:

Q: Ql-phase step down transformer 1250 KVA, 1 1000/2200 V, 50 Hz .The resistance /phase and leakage…

A:

Q: Given a 20 kVA, 50 Hz, 2000/200 V single-phase transformer. The parameters of the transformer…

A: Given data 20kVA, 50Hz, 2000/200V transformer R1 = 0.5, R2 = 0.005, X1 = 0.5, X2 = 0.005, Rc = 500…

Q: Ql-phase step down transformer 1250 KVA, 11000/2200 V, 50 Hz .The resistance /phase and leakage…

A:

Q: A short transmission line connects a step-up transformer on the source side with a series impedance…

A: Short Transmission Line: A short transmission line is one with an effective length of less than 80…

Q: formula for determining the power of a single-phase transformer

A: The objective of the question is to determine the formula for calculating the power of a…

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.