Design, Supply and Installation of a Grid Tied PV System in Windhoek - Photovoltaic - Our Projects

Private Date: 2019

A new 7,1kWp Solar Home System for Net Metering was installed at a private residence in Windhoek.

System Specifications are:

Grid connected with Net Metering
24 x 295W Canadian Solar PV modules. Total 7,1kWp.
1 x Fronius Primo 8,2-1
Roof mounted with IBR sheeting
Remote Monitoring and Energy Meter.

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Supply and Installation of Automatic Weather Stations at Kanovlei and Koichab Pan

National Botanical Research Institute

2014

National Botanical Research institute approached CTS to upgrade two of their existing AWS to satellite communication and subsequent installation at Kanovlei in the Tsumkwe Area as well as Koichab Pan close to Lüderitz.

Communication is via Meteosat satellites and based on a “fire and forget” principal which unfortunately does not allow remote maintenance procedures.

The stations form part of the SASSCAL Weathernet and measure all important meteorological parameters.

Weather data can be viewed at: www.sasscalweathernet.org

Supply and Installation of 3 Automatic Weather Stations in the Kunene Region

University of Hamburg

2017

The University of Hamburg approached CTS directly with the request to quote and subsequently manufacture and install 3 automatic weather stations at:

Khorixas
Kaoko Otavi
Okangwati

Once again, satellite communication has been chosen, this time not because of GSM not being available, but to reduce future cost of the stations as satellite communication for these stations has got no costs associated.

In addition to the basic data measured:

Wind speed
Wind direction
Humidity
Air Temperature
Irradiance
Barometric pressure
Ground Temperature
Rain
Leaf wetness

The stations are equipped with a WLAN interface. This allows the connection of 49″ SmartTV to be connected to each station to display the current weather inside close by offices.

Containerized off-grid solar solution for the Omusati Region

Ministry of Mines and Energy

2013

CTS was awarded the first ever containerized off-grid solar electrification tender for the Ministry of Mines and Energy beginning of 2013. This project entailed:

Upgrading of all government building wiring as per national standard for 9 sites in the Omusati region
Manufacture, supply and install container power units for these sites.

The power containers consisted of ca 2.8kW of PV modules installed on the roof as well as 3,000 to 4,500 Ah of battery capacity depending on site requirements. Five KVA inverter charger and two 70A Blue Solar Charge regulator all from Victron Energy complete the system.

With a total of nine containers, school, hostels and other government buildings were electrified. Each container was subdivided into two rooms for batteries and inverter technology respectively.

With our 36T/m crane truck CTS was able to transport the container to site, navigating through thick sand with ease.

Design, Supply and Installation of a Grid Tied PV System for Klein Aus Vista

Klein Aus Vista

2019

A 71kW grid tied (Nampower ) PV system was installed at the Klein-Aus Vista Lodge just outside Aus. Remote Monitoring and Energy meter is included to obtain precise information about own consumption as well as exported power. This aids in future electrical reticulation upgrades and designs.

System Specifications are:

240 x 295W Canadian Solar PV modules
3 x Fronius Symo 20.0 – 3 Grid Inverter
Shed roof mounting with structure for IBR roof sheeting
AC & DC surge and Lightning protection
Configured for remote monitoring

Containerized off-grid solar solution for the Kunene Region

Ministry of Mines and Energy

2014

After successful completion of the Omusati off grid electrification project, CTS was successful in winning the bid for the second phase of containerized PV solutions for the Kunene region. With the experience gained from phase 1, the containers were optimized in many ways. The final design consisted custom build 20ft container by Namspace in Swakopmund.

Sites that were electrified in the Kunene region are:

Otjitjekua School
Otjiu School
Otjiu Hostel
Epupa School

The project included the following:

Upgrading of all government building wiring as per national standard for 4 sites in the Kunene region:
Manufacture, supply and install container power units for these sites.

The power containers consisted of ca 2.8kW of PV modules installed on the roof as well as 4,500 Ah of battery capacity. Five kVA inverter charger and two 70A BlueSolar Charge regulator all from Victron Energy complete the system. Remote monitoring of all sites is achieved by using the Victron Color Control GX unit.

Design, Supply and Installation of a Grid Tied PV System in Windhoek - Photovoltaic - Our Projects | Central Technical Supplies

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