SOLAR INDUSTRY AWARDS I WINNERS
SYSTEM INTEGRATION AWARD
SKYTRON ENERGY GMBH Skylog Data Logger System
SKYLOG is a powerful data acquisition system for large-scale photovoltaic power plants using high-performance industrial grade components. skylog has been designed with robustness and versatility in mind. Furthermore skylog is a highly modular system allowing a wide choice of applications.
Communicating with string and central inverters as well as measurement units like energy meters, weather sensors, etc., using any of the standard bus technologies (CAN, RS422, RS485, Ethernet, Modbus, SunSpec), skylog can read and save one-minute data values from a variety of terminal devices, irrespective of make.
skylog’s unmatched close connection path to the inverters is fully utilized by skytron’s comprehensive plant control algorithms especially for the unique frequency support by providing balancing power feature which uses a one second bidirectional data exchange to the PV plant’s actuating elements.
skylog’s integrated uninterruptable power supply (UPS) provides power to all other monitoring components supplied by the CAN bus cable, ensuring dependable operation even in the event of a power failure. In locations having unreliable internet connections, local data storage
is secured up to 4 weeks by skylog’s substantial data buffering capacity. Besides skylog is equipped with an industrial router. This allows the use of DSL, UMTS or satellite communication in order to forward current plant information to the plant supervision platform PVGuard or to other performance analysis tools.
skylog therefore forms an indispensable component as it is an elementary part of the skytron real-time monitoring, control and supervision system for utility-scale PV installations.
Issue V 2014 I
www.solar-international.net 39
Torsten Schlaaff, Director Hardware Development & Operations at Skytron
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