6 · vacon
General
Tel. +358 (0)201 2121 • Fax: +358 (0)201 2121 205
1
1.3
Micro Grid
Micro Grid mode controls the grid voltage and frequency. It functions like an ordinary generator.
Micro Grid mode does not control DC Voltage.
With the help of voltage droop and frequency droop, more than one Micro Grid and/or Generators
can work together.
Q1
T2
Sh
ip
G
ri
d
=
~
Filter
U4 = Transf. GC Side
U5 = Transf . Grid Side
T1
Q3
Q1
T2
S
h
ip G
rid
U4
U3
U5
=
~
Filter
U4 = Transf . GC Side
U5 = Transf. Grid Side
D7
Q3
G1
Q2
U4
U5
U3
T1
D7
Figure 3.