METREL CS 2890, Инструкция по эксплуатации, Страница: 32 / 96

CS 2890 Power Simulator / Calibrator Operating the instrument
32

Manual
– user defined harmonic set is generated on voltage output. See section
4.7 Harmonics for details how to define harmonic set.
4.3.7 Current harmonics
By using left and right cursor, user can switch between different current
harmonic set options:

Disabled
– no current harmonics are present.

Low
– 5 % of Fundamental current is present on 3
rd
, 5
th
and 7
th
harmonic
simultaneously. These settings will affect all phases.

High
– 15 % of Fundamental current is present on 3
rd
, 5
th
and 7
th
harmonic
simultaneously. These settings will affect all phases.

Manual
– user defined harmonic set is generated on current output. See section
4.7 Harmonics for details how to define harmonic set.
4.3.8 Flicker
By using left and right cursor, user can enable or disable flicker generator. If
enabled, Flicker generator can be adjusted, by entering the submenu with
ENTER
key
and setting the flicker parameters. See section 4.8 Flickers for details how to adjust
parameters.
4.3.9 Voltage unbalance
By using left and right cursor, user can switch between unbalance options:

Disabled
– no unbalance is present in the system.

Low
– 1 % of negative (u-) and zero (u0) unbalance is added to the system.

High
– 5 % of negative (u-) and zero (u0) unbalance is added to the system.

Manual
– user can adjust custom unbalance, by adjusting voltage amplitude and
phase angle of each phase in EDIT MENU. See section 4.6.2 Unbalance
diagram for details.
4.3.10 Current unbalance
By using left and right cursor, user can switch between unbalance options:

Disabled
– no unbalance is present in the system.

Low
– 5 % of negative (i-) and zero (i0) unbalance is added to the system.

High
– 30 % of negative (i-) and zero (i0) unbalance is added to the system.

Manual
– user can adjust custom unbalance, by adjusting current amplitude and
phase angle of each phase in EDIT MENU. See section 4.6.2 Unbalance
diagram for details.