2. For the following checks you should do with an ohmmeter before connecting power, what results would you expect, and what would a dffering result indicate ? (an example is given in the first row of the table) Ohmmeter test Expected Results Meaning of errant results (explain both, high or low ohms) Power cord blades, R= same as transformer switch closed Open or short circuit on primary side of transformer, or bad primary, between 50 and 3000 transformer. Fuse possibly missing or blown. Bad wiring. Power cord blades, switch open Output terminals, pot fully clockwise Output terminals, pot fully CCW

2. For the following checks you should do with an ohmmeter before connecting power, what results would you expect, and what would a dffering result indicate ? (an example is given in the first row of the table) Ohmmeter test Expected Results Meaning of errant results (explain both, high or low ohms) Power cord blades, R= same as transformer switch closed Open or short circuit on primary side of transformer, or bad primary, between 50 and 3000 transformer. Fuse possibly missing or blown. Bad wiring. Power cord blades, switch open Output terminals, pot fully clockwise Output terminals, pot fully CCW

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.57P: A two-winding single-phase transformer rated 60kVA,240/1200V,60Hz, has an efficiency of 0.96 when...

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