Specifications; Reactive Power Control - Kaco blueplanet gridsave 92.0 TL3-S Manual

10 | Specifications

10 Specifications
10.1

Reactive power control

Reactive power can be used in electrical energy supply networks to bolster the level of voltage. As such, feed-in inverters
can contribute to statistical voltage stability. Reactive power brings about a voltage drop at the inductive and capacitive
components of the equipment which can either bolster or reduce the level of voltage. If the generating plant draws in-
ductive reactive power while active power is being fed in, part of the voltage swing caused by the active power feed can
be compensated for by the supply of reactive power.
This reactive power mode and the respective control process are specified by the grid operator. If no control process has
been specified, then the system should be operated using a reactive power specification of 0%.
10.1.1 Operating power range depending on grid voltage
The device can be operated within the respective fixed voltage range provided. The maximum apparent power is stated in
the following table. In the event of undervoltage determined by the maximum continuous current subject to the grid
voltage.
The following figures show the reactive power operating range subject to active power and the apparent power operating
range depending on the grid voltage for various devices.
Maximum apparent bp gs 92.0 TL3-S
power [p.u.] Voltage with U
400V
1,0 ≥ 400
0,95 380
0,90 360
0,85 340
Tab. 6: Maximum continuous apparent power depending on grid voltage
P [p.u.]
1,2
feed-in
1
0,8
0,6
0,4
0,2
0
1 0,6
0,0
underexcited
0,2
0,4
0,6
0,8
1
charge
1,2
Fig. 46: P-Q operating range for bp gridsave 92.0 TL3-S
Page 64
bp gs 110 TL3-S
Voltage with U
N
480V
≥ 480
456
432
408
above U
N
above U
N
at 0,95 U
N
at 0,9 U
at 0,9 U N
N
at 0,8 U
at 0,85 U
N
N
0,6 1
Q [ P.u]
overexcited
blueplanet gridsave 92.0 TL3-S blueplanet gridsave 110 TL3-S blueplanet gridsave 137
Manual
N
S [p.u. S ]
nom
1,2
1
0,8
O
0,6
V
Nominal capability
R
0,4
T
0,2
0
580 540 500 460 420
Fig. 47: Apparent power subject to the grid voltage bp grid-
save 92.0 TL3-S
bp gs 137 TL3-S
Voltage with U
N
600V
≥ 600
570
540
510
Under voltage
derating U
V
R
T
380 340 300
U [V]
TL3-S