Delta SOLIVIA 2.5 EU G3, Operation And Installation Manua, Page: 34 / 392

32 Operation and installation manual SOLIVIA 2.5 EU G3
10 Appendix
10.1 Connection examples
House connection box
House connection line
Low-voltage network ~ 400 / 230 V
VNB
Customer
Owner boundary
Z
(1)
Z
(2)
Measurement unit
(1) Meter for power consumption
(2) Meter for power feed-in
with back stop in each case
Remark: A meter can also be employed
which registers both energy directions separately
=
~
~ 400 / 230 V
Consumer
equipment of
the customer
Photovoltaic
generator with
power inverter
max. 4.6 kVA
Switching equipment
Electric circuit distributor
Anti-islanding protection with voltage and
frequency monitoring, as well as network
impedance measurement
Short-circuit protection
Overload protection
Individual in-plant generation system in parallel operation without isolated
operation possibility, single-phase feed with anti-islanding protection.
House connection box
House connection line
Low-voltage network ~ 400 / 230 V
VNB
Customer
Owner boundary
Z
(1)
Z
(2)
Measurement unit
(1) Meter for power consumption
(2) Meter for power feed-in
with back stop in each case
Remark: A meter can also be
employed which registers both energy
directions separately.
(3) Meter for power take-off of the
customer system
=
~
~ 400 / 230 V
Consumer equipment
of the customer
Photovoltaic
generator with
power inverter
max. 4.6 kVA
Switching equipment
Electric circuit distributor
Anti-islanding protection with voltage and
frequency monitoring, as well as network
impedance measurement
Short-circuit protection
Overload protection
Individual in-plant generation system in parallel operation without isolated
operation possibility, single-phase feed with anti-islanding protection, separate feed.
Z
(3)