A 400:1 CT is designed to be used with a secondary burden Rb = 4 The core is constructed from transformer steel which is normally operated at a maximum flux density B = 0.95 Tesla. The cross-sectional area S of the CT core is 120cm2. If the system X/R ratio is 12, calculate the maximum fault current Ip that may be transformed by the CT without a risk of going into saturation?

A 400:1 CT is designed to be used with a secondary burden Rb = 4 The core is constructed from transformer steel which is normally operated at a maximum flux density B = 0.95 Tesla. The cross-sectional area S of the CT core is 120cm2. If the system X/R ratio is 12, calculate the maximum fault current Ip that may be transformed by the CT without a risk of going into saturation?

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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