Design, Manufacture and Supply 21 Automatic Weather Stations - Weather Stations - Our Projects

National Botanical Research Institute (BIOTA) Date: 2010

CTS has supplied 21 weather stations for the Biota research project. These weather stations are designed according to world meteorological standard.

Each station consists of:

Wind Speed and Direction Sensor
Irradiance Sensor
Humidity/Ambient Temperature Sensor
Barometric Pressure Sensor
Ground Temperature Sensor
Leaf Wetness Sensor
Rain Bucket

The weather stations are equipment with the CR1000 logger from Campbell Scientific. Special software has been developed to allow automatic transmission of the weather data to a server based in Germany via GPRS using the local GSM network. Software updates can be done remotely minimizing travel.

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

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Design, Supply and Install of a new Hot Water System for Lüderitz Nest Hotel

Lüderitz Nest Hotel

2019

After close to 20 years of operation, the existing electrically heated hot water boilers were replaced. A modern, energy efficient system supplied by Stiebel Eltron was installed. The system comprises of the following:

2x heat pumps
5x 1000L hot water tanks (with electrical backup)
1x Control panel with remote monitoring and SMS alarm functionality.
2x booster pumps to feed the hotel with water during times when municipal supply is shut off

The installation has been achieved in a 3 week period. All works have been carried out with minimal interruptions to the hot water supply to the hotel. Remote monitoring of the plant in included to assist the client with possible troubleshooting, thus avoiding unnecessary trips to Lüderitz. SMS communication allows the quick reaction times of hotel maintenance personnel to act in cases of municipal water loss.

Pioneerspark Medical Centre

2017

Pionieerspark Medical Centre can call themselves a proud owner of a 38kW photovoltaic grid feed system. Considerable savings on the monthly electricity bill are achieved as most of the electricity requirements are produced directly at the customer. Excess energy is fed back into the grid and credited on the monthly electricity bill by City of Windhoek.

The system consists of 144 265W PV modules mounted flat on the roof of the building with 2 Fronius three phase grid feed inverters and remote monitoring via the Fronius App on the cell phone. Remote monitoring allows CTS to advise the client on possible faults and recommended actions to be taken.

Hybrid photovoltaic system for Gcwatjinga Clinic

Gcwatjinga Clinic

2015

An off gird PV system with generator back up was installed at the Gcwatjinga clinic south east of Rundu. The system comprises of the following components:

6.24 kW PV array
2x Victron BueSolar 150V/70A MPPT regulator
600Ah Battery capacity
Inverter/Charger, Victron Multi, 48V/8000VA
System Monitoring (BMV700, Color Control GX)

The clinic was connected to the grid, which at time of system design and installation the grid connection plans were unknown to the engineer. As the clinic has PV installed, the existing system has been configured such as to allow for grid connection once the batteries reach a predefined SOC. This guarantees a continuous supply of power to the clinic and nurse houses.

In addition to the grid, a backup generator is incorporated in case PV as well as grid failure occur.

17kW Grid Tied Photovoltaic System

Stier Vente Chartered Accountant

2017

In early 2017 Stier Vente Chartered Accountant did take the decision to move to renewable energy. A 17kW grid feed system was installed on the roof of the office building to reduce the monthly electricity bill.

A total of 67 260W PV modules and a SMA SunnyTripower 17kW inverter was installed. Remote monitoring allows CTS to advise the client on possible faults and recommended actions to be taken.

Refurbishment of Outapi State Hospital Laundry

Ministry Of Health And Social Services

2014

CTS removed old and obsolete laundry equipment and installed new machines.

The installed equipment sonsisted of:

3 x new Primus RS35 washer extractors
3 x Maytag energy saving tumble dryers
2 x Miele through-feed drying ironers
including laundry trolleys, ironing trolleys, hand-irons and ironing tables

Design, Manufacture and Supply 21 Automatic Weather Stations - Weather Stations - Our Projects | Central Technical Supplies

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