Megger INGVAR, User Manual

Page: 13 / 72

BH0654BE ZP-BH05E 13
3 PANELS
12.
▪
ON/OFF switch
13.
▪
HOLD
Press button to freeze (hold) the measured values.
When the lamp in the button glows steadily it
indicates that the Hold-function is active. Freezing
takes place:
a) when the stop condition is met
or
b) when generation is shut off, whereupon the
lamp in the button starts to flash.
The frozen value disappears as soon as you start a
new generation or press the RESET button.
▪
RESET
Press to clear (reset) the values shown on the
display.
14.
▪
Select/set knob
Turn knob to make settings in the
display.
15. MENU , select special functions and change the set-
tings for the measuring instruments.
Press the button to get the desired menu option. Use
the
Select/set knob to select a function or alter a
value. Change generation range, 0 to 66% or 33 to
100%, by turning left / right.
▪
A
Select the range for "A-METER 1", measuring
the generated current), and specify whether the
measured values are to be expressed:
a) in amperes
b) as percentages of nominal current
c) as ratios.
▪
V
A
Choose between using the voltmeter or the
ammeter 2 (A-METER 2, measures a second
current), select their ranges and how the values
should be expressed. You can also set the system
to measure the turns ratio of a current transformer.
▪
SYS
Here you specify:
a) the time unit to be used by the timer
b) the amount of delay for the automatic shutoff
in accordance with the preset stop condition. In
addition you can select the language that will be
used in the display and make the desired entries
for calibration.
▪
MEM
Recall or save settings for INGVAR in 10 memories.
▪
APPL
Here you set INGVAR for the following
applications:
a) Normal use.
b) Testing of a direct acting automatic recloser.
c) Testing of a sectionalizer.
d) Generation of a pulse train.
ESC
Press to cancel and/or go back to the previous
level.
Also used to activate R, Z, X,
ϕ
(phase angle), P, S,
Q and power factor (cos
ϕ
) measurements or to
read the maximum current during an operation.
▪
Press to confirm your choice and/or proceed to the
next level.
16. ON
▪
TIME
Starts current generation. When generation starts
the timer is instantaneously reset and restarted.
▪
MOM
Current generation starts and continues as long as
you press the button.
17.
▪
Temperature alarm, is lit if the temperature rises
too high and INGVAR risks becoming overheated