Article | REF: D4261 V1

Voltage quality - Introduction

Author: Roger OTT

Publication date: November 10, 2002

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1. Voltage continuity and quality

It is desirable for the voltage supplied by the distributor to its customers to have regular alternations, with a perfect sinusoid and constant amplitude and frequency. This is the case for ideal quality, but technical reality means that in practice, this situation is not possible.

The overall concept of power quality can be broken down into two axes:

  • voltage continuity ;

  • voltage quality.

1.1 Continuity

Continuity of voltage and current supply depends on the design of public and industrial networks, the quality of their equipment, and good maintenance and operating practices. Continuity depends on both technical choices and investments made...

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