For the circuit shown, find the value of coupling coefficient "k" when the total consumed ?power is (450 W)

Q: Q4-In an experiment for determining the breakdown voltage of transformer oil, the following…

A: Given :

Q: In the open circuit test of a single phase transformer from the experiment 4, the secondary winding…

A:

Q: Q3: Find hybrid_parameters for the network in figure re ΤΩ ΖΩ Figure 2 ΖΩ ΤΩ 141, 228

A:

Q: Current Transformer is used to step down the current of power system. Select one: True O False

A: current transformer is used to step down the current of power system.

Q: Current Transformer is used to step up the current of power system. Select one: True

A: Current transformer is a step down transformer. It always step down the current.

Q: A power transformer rated 8MVA, 34.5 kV/230 V is connected delta-delta.What is the current of the LV…

A: The solution is given below.

Q: A three phase transformer, 6600 / 381 V, has D/Y connected and takes 10A. The Turn ratio /phase is…

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

Q: 2. Referring to the previous example, if the additional loads have a power factor of 0.866 leading,…

A: Given data: Additional loads have the power factor of 0.866 leading. Then, find the kVA of the loads…

Q: Q4-In an experiment for determining the breakdown voltage of transformer oil, the following…

A:

Q: Q2/A 1-0,10KVA, 2200/220V, transformer gave the following test results Open-circuit test…

A: In this question we need to find open circuit and short circuit power .

Q: Determine the value of the source current, designated by I, and the total power delivered to the…

A: The required parameters can be calculated by using ohms law and resistor reduction method.

Q: A 500KVA transformer has iron loss of 500W and copper losses at full load of 2000W. Then at what KVA…

A:

Q: Current Transformer is used to step up the current of power system. Select one: O True O False

A: The transformers are used for handling the different voltage and current levels.  The number of…

Q: From the experiment 2, the two wattmeter method is used to measure the power. In that pressure coil…

A: The detailed answer is solved below according to the given parameters and instructions in the…

Q: Q2// Calculate the efficiency of transformer on full load at 0-8 p.f. lagging for a 25 KVA…

A:

Q: Based on Table Q1 (b), there are experiment for determine the breakdown strength of transformer oil.…

A: The breakdown voltage as per the readings is  for first reading, breakdown voltage is 50kV and gap…

Q: Exercises 4.13. The following data were obtained when a 25-kVA, 2300/460-V, 50-Hz transformer was…

A:

Q: following data from

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Q: 2% (2067 V 2. A short-circuit test when performed on the H.V. side of a 10 kVA, 2000/400 V…

A:

Q: Which of the following do not apply to a primitive network? (a) It has two terminals. (b) It is…

A: The power system has to transmit power from the generation side to the load side. For this purpose,…

Q: A power transformer with a voltage rating of 12500:240 V has a primary current rating of 50 A. Find…

A: given that,                  primary voltage VP = 12500 v                 secondary voltage Vs = 240…

Q: when the voltage increase then the speed is increase

A: Speed of the machine,  Assume the DC machine , speed of the machine increase with voltage?

Q: 44/ The efficiency is maximum in a transformer when no load losses = Iron losses  Select one: True…

A: Need to find true false for given Transformer statement

Q: A 100kVA, 6600/330V, 50Hz, single-phase transformer took 10A and 436W at 100V in a short-circuit…

A: It is given that: 100 KVA, 6600/330V, 50HzPsc=436WIsc=10AVsc=100 V

Q: The purpose of the power transmission system is to interconnect the power plants with the loads.…

A: In this question we will write purpose of power transmission system....

Q: 1- A 220/380V single phase transformer gave the following test results; Short circuit test: with low…

A: From the given OC and SC test results, Circuit constants are determined and the circuit is drawn as…

Q: Scanned A 100KVA, 6600/330V, 50Hz, single-phase transformer took 10A and 436W at 100V in a…

A: Given values are = 100 KVA, 6600/330V, 50Hz, Single-phase transformer. Short circuit test =

Q: Q4: A 2.5 kVA, 200V/40V single-phase transformer has the primary resistance and reactance of 3 and…

A: To find the equivalent impedance of single phase transformer referred to the primary and secondary…

Q: In the given network, The transmission voltage and the number of buses are and respectively. T1 T4…

A:

Q: QUESTION 2 The following data are the results from two tests conducted at 100KVA, 120/1200V, and…

A:

Q: Wright a discussion about Parallel operation of two 3-phase transformers (200-250 words)

A: In this question , we will write necessary conditions for parallel operation of three phase…

Q: Q4: A 2.5 kVA, 200V/40V single-phase transformer has the primary resistance and reactance of 3 and…

A:

Q: The exciting current was found to be 3 A when measured on the LV side of a 20-kVA, 2000/200-V…

A:

Q: The primary resistance of a 440/110-V transformer is 0.5 ohms and the secondary resistance is 0.04…

A: Current: It is the time rate of the change of the charges. It flows from the higher voltage to low…

Q: Q4. A 3-phase, 11kV/33 kV, star-delta connected power transformer is protected by differential…

A: Given that  11KV/33KV   Y-∆    Power transformer 400/5  CTs on the LV side  calculate the line…

Q: PROBLEM: • The following figures were obtained from tests on a 30-kVA, 3000/110-V transformer:…

A: It is given that: Open Circuit test: 3000V ; 0.5A : 350W;   Short Circuit test: 150V ; 10A ; 500W

Q: obtain the equivalent circuit of a 200/400-V, 50-Hz, 1-phase transformer from the following test…

A: A 200/400 V , 50-Hz ,1-phase transformer has following short circuit data. Vsc = 15 volts Isc = 10…

Q: Find hybrid parameters for the network in figure *. Μ 1Ω ΖΩ Μ 2Ω ΤΩ 41₁ Ω I,

A: In this question,  We need to determine the hybrid parameters of the network?  We are solving this…

Q: 1. Find the all-day efficiency of a 500 kVA distribution transformer whose copper loss and iron loss…

A: In this question we need to find a all day efficiency of transformer for given loading conditions

Q: In a 75 KVA, 2000/200 V power transformer, the iron and full load copper losses are 80 W and 360 W…

A: In this question,  What is efficiency of the transformer and fraction of the load.  Efficiency =…

Q: Q4-In an experiment for determining the breakdown voltage of transformer oil, the following…

A: The transformer has a primary and a secondary side. It converts electrical power to electrical power…

Q: 3. At Maximum efficiency transformer KVA = x (Fl load KVA), x is fraction of - 4 Iflyis curent at…

A: Electrical machines can be either generator , transformers or motors. They can be either Ac machines…

Q: Given |V1| = 30 v. |V2| = shown, what is the magnitude of the primary current, Í,? 90 V, and |Í2| =…

A:

Q: For the magnetically coupled circuit shown, find the values of coupling coefficient "k" when the…

A:

Q: The cost of ...... ... in HVDC transmission is higher compared to the substation in HVAC…

A: In this question we will write about cost of which component in high in hvdc..

Q: The following test data were obtained on a 20KVA, 50 Hz; 1 ph, 2000/200V transformer Open Circuit…

A: Generally  For transformer two basic test will be conducted to find out the core and copper losses,…

Q: A three phase transformer, 6600 / 381 V, has D/Y connected and takes 10 A. The Turn ratio /phase is…

A: It is given transformer is transformer is D/Y connected and  current in primary is 10 A. It is known…

Q: short-circuit test was performed on a 10-kVA 2400/240-V transformer with the llowing data recorded:…

A: In this question we will find resistance and reactance for primary side from short circuit testing…

Q: 1.2 For the networks shown in the circuit below, find the values of the currents marked 10A 12 7A 41…

A: KIRCHHOFF'S CURRENT LAW [ KCL ] :- Acording to KCL " the algebraic sum of all the current entering…

Q: 2.102 In a transformer, if the iron losses and copper losses are 40.5 kW and 50 kW respectively,…

A: It is given that: Iron Losses=Pi=40.5 KW=40.5×103 WCopper Losses=Pcu=50 KW=50×103 W

Current Division Method

The generalized current divider formula is given by the following relation below,