General
vacon · 13
24-hour support: +358 (0)201 212 575 • Email: [email protected]
1
1.9
Stop sequence
Modulating
MCB Closed
No
F64 A4
Open MCB
No
Yes
Yes
Stop Modulation
(If Run State)
Open MCB
Stop Request
MCB Closed
No
F64 A2
(If DC > 85 %)
(Delayed)
Yes
MCB Closed
No
Yes
F64 A3
(Delayed)
End
Figure 8.
Stop sequence
1.10
Voltage compensation
Grid Converter system will have voltage losses. Depending on the system, the losses may be more
than 50 Vac when operating close to Grid Converter nominal currents with low power factor between
points U3 and U5. This voltage loss needs to be compensated so that the grid voltage stays at
nominal. This also sets requirements for the needed DC link voltage.