Page 9 - DEHN-protects-photovoltaic-systems

Solar parks A DC side central inverter Part No.

900 075
DEHNcombo YPV
Configuration with central inverter This combined arrester was specially developed for use in PV installations and (1200 V)
protects the DC side of the inverter against partial lightning currents and surges.
900 076
(1500 V)
E B DC side string inverter Part No.
DEHNguard M YPV 952 565
This type 2 arrester is specially designed for application in PV systems and (1170 V)
protects the DC side of the inverter and the PV modules against surges
G from inductive couplings. 952 567
(1500 V)

alternatively: DEHNcube YPV SCI 1000
Type 2 arrester DEHNcube YPV SCI provides comprehensive protection for 900 910
(1 MPPT)
a PV system in an enclosure. It is mounted directly upstream of the inverter
A and is available two versions, 1 MPPT and 2 MPPT. 900 920
A D (2 MPPT)
C D F
C D
C AC side Part No.
DEHNshield (depending on the system configuration) 941 305
The application-optimised combined lightning current and surge arrester (TNC)
can be installed to protect the AC side of central and string inverters or 951 405
(TNS)
AC-coupled battery storage systems.
941 315
(TT)
D Data interface Part No.
System concepts with central inverter technology lead to Due to the partial lightning currents anticipated on the DC
extensive direct current cabling in the field. If lightning cables, type 1 arresters are used to protect the electrical BLITZDUCTOR XTU
directly strikes the air-termination rod on the mounting systems within the PV power plant. Any battery storage The combined arrester protects balanced data interfaces (e. g. RS 485). 920 349
frame, the extensive DC cabling acts as an equipotential systems must also be protected against lightning and Via the integrated actiVsense Technology the arrester automatically detects (Module)
920 300
bonding conductor between the “local” earth potential of surges. This is done by protecting the electrical cables the operating voltage of the useful signal and optimally adapts the voltage (Base Part)
the module field and the “distant” equipotential surface entering the building or container with combined arresters. protection level to it.
of the feed transformer/central inverter.
E Monitoring camera Part No.
DEHNpatch CLE IP 66
Configuration with string inverters The complete unit consisting of surge protection and outdoor enclosure (IP 66) protects, 929 221
e.g. IP camera systems.

E F Equipotential bonding / earthing Part No.

UNI earthing clamps/saddle clamps
The clamps are suitable for integrating the mounting systems of PV installations 540 250
in the functional equipotential bonding / the functional earthing or the
G lightning equipotential bonding. 365 250

Earthing-systems
Highly durable round wires or strips should be used to set up a meshed
earth-termination system.

C D B G External lightning protection Part No.
F C Angled air-termination rod
D C D The 10 mm air-termination rod is fixed to the metal support structure of PV modules 101 010
to protect them from direct lightning strikes. Total length 1 m.

Air-termination rod (including two saddle clamps) 101 110

Further info on the topic of lightning and surge protection
If the PV power plants are designed with decentralised On the DC side, type 2 SPDs suffice to essentially limit in- for solar parks can be found on our website.
string inverters, a large portion of the cabling is shifted duced interference impulses. Any battery storage systems
from the DC to the AC side. In case of a direct lightning must also be protected against lightning and surges.  www.de.hn/pvps
strike, the AC cabling acts as an equipotential bonding This is done by protecting the electrical cables entering
conductor between the “local” earth potential of the the building or container with combined arresters.
module field and the “distant” equipotential surface of We are here to support you with any technical queries:
the feed transformer. For this reason, type 1 arresters are Team Support
Telephone: +49 9181 906 1750
used on the AC side. E-Mail: [email protected]

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