Displaying measured flicker values in list form, Event – KYORITSU 6315 Instruction Manual User Manual

Page 122

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KEW6315

Displaying measured flicker values in list form

KEW6315

- 120 -

Displaying measured flicker values in list form

Press the

(Flicker) Key.

Press the

Key to change the displays: V: List display/ Pst(1min): Trend graph/

Plt: Transitional change.

If variable loads, such as arc furnace, are connected, voltages may vary and cause changes in illumination

levels. Such phenomenon is called as “voltage flicker” and its severity level is indicated by “Pst” and “Plt”.

Items displayed on the LCD

Time left

Counted down time until a Pst calculation completes. Usually it takes about 10 min.

V

Phase voltage * For 3P3W and 3P3W3A, rms line voltages are displayed.

f

Frequency

Pst,1min

Severity of short term (1 min) flicker. It is useful for power quality survey or study.

Pst

Severity of short term (10 min) flicker.

Pst,MAX

Max Pst recorded through the beginning to the end of measurement. It is refreshed

every time when the measured values exceed the previous max values.

Plt

Severity of long term (2 hours) flicker.

Plt,MAX

Max Plt recorded through the beginning to the end of measurement. It is refreshed

every time when the measured values exceed the previous max values.

”Event”

Press the

(Event) Key to display the recorded events. Please refer to “Displaying recorded

events” (P. 116) in this manual.

Time left

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