The conversion ratio of 300KVA single phase transformer is N1/ equivalent model is as follows. IR X, i, j- reee

Q: A 40-kΩ resistance in series with a 20kΩ capacitive resistance is connected to the secondary side of…

A:

Q: Question 2 A single phase 50 Hz core type transformer has rectangular cores 30 × 20 cm. and the…

A: The objective of the question is to find the number of turns per limb on the high and low voltage…

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: voltage regulation

A:

Q: A 215 V/ 123 V single-phase transformer has a core loss of 120 W and the no-load current is 0.7 A.…

A: Given- A 215 V/123 V single-phase transformer has, Core loss, Wo=120 W Primary side voltage, V1=215…

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: 300 KVA, 2000/200 V, single-phase, 50 Hz transformer has a primary resistance of 3.5 Q. The…

A:

Q: V1 240V / 50HZ T1 if V out =9v find the transformer equivalent

A: The solution is given below

Q: .A 1Ø 2,000kVA transformer has a primary voltage of 12kV, and a secondary voltage of 2.4kV What is…

A: The objective of this question is to calculate the full-load current of the primary and secondary…

Q: A 50 kVA ,11000/230V,50-Hz transformer has a high voltage winding resistance of 0.1Ω and a leakage…

A:

Q: efficiency

A:

Q: A single-phase transformer has resistance and reactance of 0.2 pu and 0.6 pu respectively. Its pu…

A:

Q: 1. If the load of wye connected transformer are: IA = 10 cis(-30°) IB = 12 cis (215°) Ic= 15 cis…

A: Positive components are symmetrical components. The phase sequence is same in balanced 3-phase…

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: Scott connection of transformer is used to convert supply. O Three phase supply to Single phase O…

A: Given To determine purpose of Scott connection of transformer.

Q: A single phase transformer has rating of 15 kVA, 600/120V. It is reconnected as an aute transformer…

A: Given: For Two winding transformer:S=15 KVAVoltage rating: 600/120 V

Q: A16 The turns ratio of a isolating transformer is

A:

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: Write ‘T’ for True and ‘F’ for False The phase shift angle of a Δ-Y transformer can only be 30⁰

A: In this question we will find phase shift between delta star transformer..

Q: QUESTION 8 A single phase 600v/120v transformer has a load of 30 ohms resistive and 20 ohms…

A: Given data, Voltage rating of transformer 600 V/120 V. Load impedance Z=30+j20 Ω.

Q: finding the Vi and V2 le IHuge regulatioen between

A:

Q: For a 250 [kVA] practical transformer with 4160 [V) primary and 480 [V] secondary, the base…

A:

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: Draw the graph of efficiency against load current when the transformer is loaded 12:48 PM

A:

Q: Differental Protection of a three-Phase A-Y two winding transformer.

A: Given & to find: Differential protection of a three-phase delta-star two winding transformer.

Q: A short-circuit test is performed on a 500 kVA, 69 kV/ 13.8 kV, 50 Hz transformer. The test is…

A: Given data, Vsc=50 V, Isc=5 A, Psc=50 W KVA rating S = 500 KVA Voltage rating 69 KV/13.8 KV

Q: Three single phase transformers are connected in a Delta-Delta configuration. Each transformer is…

A:

Q: What is the turns ratio for a 3 phase transformer with values: 15500 (Y) / 900 (delta) V

A: For a given 3-phase transformer with its specifications the value of the turn ratio of the 3-phase…

Q: 3/A single phase transformer has 250 primary turns connected to a 500 V. The output voltage is 150…

A: Given, Single phase transformer has, Primary turns, N1 = 250 turns Primary Voltage, V1 = 500 V…

Q: Three single phase transformers are connected in a Wye-Wye configuration.  Each transformer is rated…

A: Wye-Wye configuration  Transformer rated 25kv/62kv Load = 640 KVA Supply = 25Kv (L-N)

Q: Three 2.5 kVA single plase 240 V/ 100 V, 50 Hz transforner are connected in stat-etar configra tion…

A: Given single phase Transformer  rating : 240/ 100 V connection star star

Q: transducer has the positive temperature coefficient. If the core loss of single phase transformer at…

A: We need to tell about the positive temperature coefficient transducer and core losses at half load .

Q: If the core loss of single phase transformer at full load is 124 W, then the core loss at 50% of…

A: Given Data: Core loss = 124 V percentage loading x = 50%

Q: A 212 V/ 116 V single-phase transformer has a core loss of 124 W and the no-load current is 0.7 A.…

A:

Q: if the core loss of 1 phase transformer at full load is 124 W, then the core loss at 50% of load is…

A: The core loss of 1 phase transformer at full load is 124 W  P = 124 W    Note :  Since the core…

Q: Question No.5 A current transformer has a phase error of +5 degree. The phase angle between the…

A: Given: A current transformer has, Phase error, θ=+5°

Q: Problem: The rating of three phases of a 3 winding transformer are: Primary Y-connected: 15MVA,66KV…

A: Consider the base values are given as: 30 MVA, 70 kV Since the base voltage for the primary winding…

Q: 100 kVA, 6800-240 V, 50 Hz single phase step down transformer h RLs=0.0082 RHs=2.62 Rfe-HS=50002…

A:

Q: isnt Transformer ration V1 / V2 i see the opposite is here V2 / V1

A: Asked to explain the previously solved answer the transformer ratio.

Q: If the core loss of single phase transformer at full load is 318 w, then the core loss at 50% of…

A: Core losses are eddy current losses and hysteresis loss  Given full load core loss as 318W  When the…

Q: In a single phase transformer core losses can be found by open circuit test Select one: O True O…

A: In this question , we will find which test is for core losses...