Vacon NX ACTIVE FRONT END II, Руководство по применению

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58 • Vacon arfiff05 Standard AFE-II
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
P2.6.6 Operation Time ID1855
Stored Operation Time. When application is reloaded operation hours will go zero if this
parameter is not updated.
Monitoring signal is in hours with two decimal.
Parameter is in format of:
xx (Years) XX (Monts) XX (Days) XX (Hours) XX Minutes
1211292359 -> 12 years, 11 months, 29 days, 23 hours and 59 minutes.
7.6.1 Control
P2.6.7.1 Capacitor Size [%] (ID1460)
This parameter defines the reactive current going to the LCL filter capacitor. It
compensates the LCL effect to the reactive current by adjusting the reactive current
reference internally. The inductor size is also added to compensation. If set correctly, the
power factor on the grid side will be 1.
P2.6.7.1 Inductor Size [%] (ID1461)
This parameter defines voltage losses in percentage of the nominal voltage at 100%
active current. This value is internally added to the reactive current reference thus giving
power factor 1 on the grid side, if set correctly together with Capacitor Size. The
transformer and feeding cables can be compensated by increasing this value.
P2.6.7.3 Dynamic Support Kp #,# [%/%] ID1797
This function supports weak grid by generating or consuming reactive current in grid
under- and over-voltage situations. Reactive current is generated/consumed with
gradient by set parameter value by every 1 % decrease/ increase in grid voltage to
stabilize voltage in the point of coupling.
P2.6.7.4 Synch Kp ID1457
This parameter sets the gain of the synchronisation controller used to synchronise the
switching to the supply.
P2.6.7.5 Synch Ti ID1458
This parameter sets the time constant of the controller used to synchronise the
switching to the supply (15 equals 7ms).
P2.6.7.6 Active Current Kp ID1455
This parameter sets the gain of the controller for the active current of the regenerative
unit.
P2.6.7.7 Active Currnt Ti ID1456