METREL CS 2890, Инструкция по эксплуатации

Страница: 46 / 96

CS 2890 Power Simulator / Calibrator Operating the instrument
46
F4
SET Refresh (activate) currently set dip.
Scrolls cursor between options.
Modifies parameter.
ENTER
Enters parameter value selection window.
Returns to the Main menu.
Exits from parameter value selection window.
4.10.2 Swell
Swell is sudden voltage increase, followed by voltage recovery after a short time
interval, from a few periods to a few seconds.
-400
-300
-200
-100
0
100
200
300
400
0.00 0.05 0.10 0.15 0.20
U
[
V
]
T [s]
Figure 49: 5 periods long swell, 110 % U
Nom
Swell can be manually triggered with
Swell
shortcut key or can be periodically
repeated, according to EVENT OCCURRANCE setting in MAIN MENU. By entering the
Swell submenu, following options are available:

Level
– using left and right cursor key, user can set swell level in range 101 % to
150 % of Unom.

Duration
– using left and right cursor key, user can set swell duration in periods
from 1 period to 100 periods.

Phase type
– user can switch between Single (L1) and Poly-phase event type.
New settings will apply when SET is pressed or when swell settings submenu is closed.