METREL CS 2890, Инструкция по эксплуатации

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CS 2890 Power Simulator / Calibrator Operating the instrument
51

Phase type
– using left and right cursor key, user can switch between Single(L1)
and Poly-phase event type.

Frequency
– using left and right cursor key, user can set signalling frequency in
0.1 Hz increments in range from 50.0 Hz to 3000.0 Hz.
New settings will apply when SET is pressed or when Signalling settings submenu is
closed.
Figure 57: Signalling settings submenu
Table 34: Keys in signalling settings submenu
F4
SET Refresh (activate) currently set signalling.
Scrolls cursor between options
Modifies parameter.
ENTER
Enters parameter value selection window.
Returns to the Main menu.
Exits from parameter value selection window.
4.10.6 Transient
Transient is overvoltage with a duration of a few milliseconds. Power Simulator
generates oscillatory damped transient on U1 channel, as shown on figure below.
Transient event has overshoot approximately 70% of nominal voltage high and last
about 8% of period duration (period is defined with Frequency parameter), as shown on
figure below.