Appendix; Connection Examples - Delta SI 5000 Operation And Installation Manual

10

Appendix

10.1 Connection examples
Individual in-plant generation system in parallel operation without isolated
operation possibility, single-phase feed with ENS.
Low-voltage network ~ 400 / 230 V
House connection line
House connection box
VNB
Customer
Z
(1)
~ 400 / 230 V
Consumer
equipment of
the customer
Photovoltaic
~
generator with
power inverter
max. 4.6 kVA
Owner boundary
Measurement unit
(1) Meter for power consumption
Z
(2) Meter for power feed-in
(2)
with back stop in each case
Remark: A meter can also be employed
which registers both energy directions separately
Electric circuit distributor
Switching equipment
ENS 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 ENS, separate feed.
Low-voltage network ~ 400 / 230 V
VNB
Customer
Consumer equipment
of the customer
House connection line
House connection box
Owner boundary
Z Z
Z
(3) (2)
(1)
~ 400 / 230 V
Photovoltaic
~
generator with
power inverter
=
max. 4.6 kVA
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
Electric circuit distributor
Switching equipment
ENS with voltage and frequency
monitoring, as well as network impedance
measurement
Short-circuit protection
Overload protection
55