Kaco Powador 3200 Operating Instructions Manual page 12

D escri p ti o n
DE Country-specifi c function
NSp.
3.2.5.4 Control procedure cos phi (P/Pn)
The control procedure cos phi (P/Pn) off ers the option of defi ning up to 10 nodes (minimum of 2) for
shift factor cos phi. A node is defi ned by the relevant pair of values (Specifi cation of an active power
in % based on a nominal power of the device and an associated cos phi value.)
In factory status cos phi is activated with a predefi ned characteristic.
This characteristic, which consists of three individual nodes, depends on the rated AC power of the
inverter.
cos φ
0.9
1
0.9
Figure 5: Control procedure as per cos phi (P/pn)
P AC ,nom < 13.8 kVA
1st node
2nd Node 50% P/ PN - - cos phi 1.000
3rd node
To meet the requirements for reactive power feed even at system level, the inverters must be
adjustable in the range from cos phi 0.8 over-excited (o) and 0.8 under-excited (u).
Page 12
o (overexcited)
0,2 0,5
u (underexcited)
Characteristic with 2 nodes
Characteristic with 3 nodes
0% P/ PN - - cos phi 1000
100% P/ PN - - cos phi 0.950 under-excited (u)
P /Pn
1
Operating Instructions Powador 3200-6600_EN