ENERGY MANAGEMENT FOR A SAFARI LODGE
Project location
Sabi Sand Game Reserve, South Africa
Year of implementation
2021
Application
Power quality
Hardware
UMG 512-PRO, UMG 509-PRO UMG 96RM-EL
Software
GridVis® Essential
Service
-
REQUIREMENT
The Cheetah Plains Lodge in South Africa offers its discerning guests a stay far away from civilization. This includes unique safaris with electric-powered Land Cruisers. Guests and management also place great value on minimal noise pollution, low environmental impact, and sustainability. The previous energy supply was no longer able to meet these requirements. It consisted almost exclusively of diesel generators. Their performance, environmental impact, fuel costs, and power quality no longer met the requirements of a modern facility. The previous stand-alone system was supplemented by a single-phase connection from the local energy supplier, but its capacity was limited and it exhibited considerable voltage variations.
SOLUTION
Colocation data centers need a comprehensive measurement concept that records the completely redundant energy supply. Datacenter One now relies on Janitza measurement devices as standard. The measurement concept for this project covers all granularity levels from I to III in the data center. The Janitza solution includes class A-certified UMG 512-PRO power quality analyzers, which monitor the primary supply, the low voltage main distribution boards and the uninterruptible power supply (UPS) of the data center. Datacenter One uses the power grid monitoring software GridVis® for optimal monitoring and reporting, as well as evaluation and alarm management.
Datacenter One uses the space-saving UMG 20CM to monitor the energy supply in the less critical areas of the data center. The PUE value of the data center is determined by the compact UMG 103-CBM energy analyzers for DIN rail mounting. Even the possible energy feed-in of the diesel generators of the emergency power supply can be documented with UMG 96-PA-MID power analyzers in compliance with MID.
BENEFIT
The lodge's new PV system has a capacity of 300 kWp. It feeds the lithium-ion memory with a capacity of 1,027 kWh, which in turn supplies the grid-forming, bidirectional battery inverter. With a peak output of 250 kW at a stable voltage output and frequency, it offers sufficient reserves for a three-phase power supply. Even larger consumers such as cooling systems, motors, and the charging stations for the Land Cruisers can be operated reliably. With the new complete solution, the safari lodge covers almost 100 percent of its energy demand from the PV system. Grid independence does not come at the expense of nature or comfort – something that guests and operators of the lodge appreciate. They can be sure that the power supply for their first-class stay comes primarily from one source: the energy of the sun.
