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Measurement of lightning currents and voltages

Measurement of lightning currents and voltages

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Lightning Interaction with Power Systems - Volume 2: Applications — Recommend this title to your library

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This chapter begins with a historical introduction, followed by two other sections, one relating to lightning current measurements and another to lightning voltage measurements. In the historical introduction, a brief historical background of lightning current and voltage measurements in substations and transmission lines is shown, such as the derivation of the widely used lightning voltage waveform, 1.2/50 gs. Section 10.2 is dedicated to lightning current measurements, including measurements on transmission lines and high-instrumented towers. Section 10.3 presents the lightning voltage measurements. A detailed history of the lightning voltage measurement is presented. The principles for six types of lightning voltage measurement sensor are also presented. Finally, a discussion of the potential measurement techniques is provided.

Chapter Contents:

  • 10.1 Historical introduction
  • 10.2 Lightning current measurements
  • 10.2.1 Lightning current measurement methodology on transmission lines
  • 10.2.1.1 Klydonograph
  • 10.2.1.2 Electret sensor
  • 10.2.1.3 Magnetic link
  • 10.2.1.4 Magnetic tape
  • 10.2.2 Lightning current measurement methodology on high towers
  • 10.3 Measurement method of lightning voltage
  • 10.3.1 Voltage divider
  • 10.3.2 Capacitive sensor connected to bushings
  • 10.3.3 Noncontact capacitive voltage divider
  • 10.3.4 Integrated optical waveguide voltage (electric field) sensor
  • 10.3.5 Crystal-based batteryless and contactless optical transient overvoltage sensor
  • 10.3.6 Optical voltage (electric field) sensor based on converse piezoelectric effect
  • 10.4 Application of various lightning overvoltage sensors in power systems
  • References

Inspec keywords: electric current measurement; lightning; electric sensing devices; history; voltage measurement

Other keywords: potential measurement techniques; high-instrumented towers; time 50 mus; lightning current measurement; transmission lines; lightning voltage waveform; substations; lightning voltage measurement sensor; time 1.2 mus

Subjects: Other general electrical engineering topics; Voltage measurement; Current measurement; Sensing devices and transducers

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