Transformer

Related BrainMass Solutions

• Transformer Circuit with Inductors

  72287 Transformer Circuit with Inductors See attached document for transformer circuit. Note in the center of the circuit is a transformer-ignore L1 AND L2 in the middle of the transformer, I put 2 inductors and 2 lines to simulate a transformer).

• Case Study and Decision Tree: Should this company replace an existing PCB transformer?

  If the utility replaces the PCB transformer, no PCB incidents will occur, and the only cost will be the cost of the transformer, $85,000.

• Transformer

  386891 Transformer Winding Regulation A 415V to 11 kV transformer has a rating of 200 kVA. The winding resistance and leakage reactance when referred to the primary are 0.014 and 0.057 ohms respectively.

• Transformer and Power Transfer

  Using a transformer, the 16Ω resistor can be transformed to 300Ω using the transformer.

• AC Circuits - Transformers

  Solution: The maximum secondary current can be computed by looking at the transformer ratings given: The transformer turns ratio can be computed using the ratio of primary and secondary voltages: Primary current can be computed by using the

• Transformer Regulation / Efficiency

  83470 To determine the equivalent winding resistance, percentage regulation, efficiency of a single phase transformer. A single-phase transformer is rated 100kVA, 2200:440 volts.

• Drawing Impedance Diagrams

  = 5 kVA Impedance of the transformer to base 5 kVA = 8% or 0.08 pu => Impedance of the transformer to base 10 kVA = Xtrf(pu) = 0.08[10/5] = 0.16 pu Impedance diagram G 1/0 pu

• Transformers, protection of and temperature rise time

  ONWF: Oil insulated and water cooled transformer. Oil cools the transformer by natural convection over the transformer windings and water is used to cool the oil using cooling coils.

• Parameters of a Transformer

  603663 Parameters of a Transformer An ideal step-down transformer is used to convert the AC voltage from the power line at 120V to 5.0V in an adapter for your laptop computer.

• Transformer

  Part A How many turns does the primary coil on the transformer have if the secondary coil has 110 turns? Express your answer using two significant figures.