Catalog excerpts
Disturbance Analysis, Long Time RecordingEN50160-Power Quality PQA450 e 11.02 PQA450 Power Quality Analyser PQA450 >
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The waveform of the line volt- age as well as the neutral volt- age in the office during the working times are different from the voltage in the switchgear. The neutral voltage has had voltage peaks up to 25V(picture 3 ).An exact analysis of the system showed, that the earth conduc- tor was installed in a faulty way. After the repair the distor- tions in the computer network vanished. Result: The common long time data loggers with all their statistical values ֖ after one week showed only, that the flicker values were high. The source of the distortion couldnt be found.The usage of the...
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