What problems can a negative sequence cause? The following figure shows a negative sequence filter. Find the values r of x and I in terms of R such that Va is zero for a positive sequence and zero for a negative sequence (By drawing a phasor diagram) Find the relationship between Va and current negative sequence. We intend to protect the network from negative sequences with the help of an overvoltage relay. Where is this relay located? And if R = 50 ohm and maximum allowable negative sequence current %5. The secondary rated value should be CT, how many volts should the overvoltage relay pickup be? 500/5 B.

What problems can a negative sequence cause? The following figure shows a negative sequence filter. Find the values r of x and I in terms of R such that Va is zero for a positive sequence and zero for a negative sequence (By drawing a phasor diagram) Find the relationship between Va and current negative sequence. We intend to protect the network from negative sequences with the help of an overvoltage relay. Where is this relay located? And if R = 50 ohm and maximum allowable negative sequence current %5. The secondary rated value should be CT, how many volts should the overvoltage relay pickup be? 500/5 B.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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