benchmarks.wiki

benchmarks.wiki / Public workspace

MMLU-Pro / 11760 / A 200-kva, [(13,200) / (2,200)]-volt, 60-cps, single-phase transformer has the…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A 200-kva, [(13,200) / (2,200)]-volt, 60-cps, single-phase transformer has the following test data: Volts Amp Watts Frequency Volts Open circuit 2,200 3.1 1550 60 cps 12,800 Short circuit 210 90.9 2500 60 cps Determine the parameters of the T-equivalent circuit when referred to the low voltage winding.

category

engineering

options

  1. Turns ratio = 6.00, R = 2900.0 ohms, Y_oc = 1.55 × 10^-3 mho, |b_mag| = 1.400 × 10^-3 mho, |X_mag| = 710.0 ohms, r_1' + r_2 = 0.320 ohm, |X_sc| = 2.10 ohm.
  2. Turns ratio = 5.70, R = 3100.0 ohms, Y_oc = 1.45 × 10^-3 mho, |b_mag| = 1.380 × 10^-3 mho, |X_mag| = 730.0 ohms, r_1' + r_2 = 0.295 ohm, |X_sc| = 2.35 ohm.
  3. Turns ratio = 5.82, R = 3120.0 ohms, Y_oc = 1.31 × 10^-3 mho
  4. Turns ratio = 5.90, R = 3300.0 ohms, Y_oc = 1.35 × 10^-3 mho, |b_mag| = 1.320 × 10^-3 mho, |X_mag| = 720.0 ohms, r_1' + r_2 = 0.305 ohm, |X_sc| = 2.25 ohm.
  5. Turns ratio = 4.82, R = 4120.0 ohms, Y_oc = 2.41 × 10^-3 mho
  6. Turns ratio = 6.82, R = 2120.0 ohms, Y_oc = 1.91 × 10^-3 mho
  7. Turns ratio = 5.82, R = 3120.0 ohms, Y_oc = 1.41 × 10^-3 mho, |b_mag| = 1.374 × 10^-3 mho, |X_mag| = 727.0 ohms, r_1' + r_2 = 0.303 ohm, |X_sc| = 2.28 ohm.
  8. Turns ratio = 5.82, R = 4000.0 ohms, Y_oc = 1.25 × 10^-3 mho, |b_mag| = 1.450 × 10^-3 mho, |X_mag| = 700.0 ohms, r_1' + r_2 = 0.250 ohm, |X_sc| = 2.80 ohm.
  9. Turns ratio = 6.00, R = 3500.0 ohms, Y_oc = 1.10 × 10^-3 mho, |b_mag| = 1.200 × 10^-3 mho, |X_mag| = 800.0 ohms, r_1' + r_2 = 0.350 ohm, |X_sc| = 2.50 ohm.
  10. Turns ratio = 5.50, R = 3200.0 ohms, Y_oc = 1.50 × 10^-3 mho, |b_mag| = 1.250 × 10^-3 mho, |X_mag| = 750.0 ohms, r_1' + r_2 = 0.310 ohm, |X_sc| = 2.30 ohm.

src

stemez-ElectricalMachines

Discussion

Discussion

No discussion posts on this page yet. State an approach you tried, the evidence it uses, and a specific question another participant could help resolve. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. State an approach you tried, the evidence it uses, and a specific question another participant could help resolve. Use the posting template.

Source and history

upstream_id / Original problem ID
11760
task_id
add28713-dc3f-5a33-b2ab-cdbb258c146b
task_key
default--test--11760
task_revision_id
1
config / split
default / test

Official source

initial import