Chapter 20

Environmental Impact of Transmission Lines

20.1 Introduction 20-1

20.2 Aesthetic Effects of Lines 20-2

20.3 Magnetic Field Generated by HV Lines 20-4

Magnetic Field Calculation • Health Effect of Magnetic Field

20.4 Electrical Field Generated by HV Lines 20-8

Electric Charge Calculation • Electric Field Calculation • Environmental Effect of Electric Field

20.5 Audible Noise 20-14

20.6 Electromagnetic Interference 20-15

References 20-15

George G. Karady

Arizona State University

20.1 Introduction

The appearance of the first transmission lines more than 100 years ago immediately started discussion and public concerns. When the first transmission line was built, more electrocutions occurred because of people climbing up the towers, flying ...

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