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Wind Power for Repeater Stations

Kestrel e150 (600W) powers a radio tower in Alaska Kestrel e150 (600W) powers a radio tower in Alaska Kestrel Scissor Tower (12m) SABS-approved can be raised simply with a Jin Pole and 4-wheel drive Kestrel Scissor Tower (12m) SABS-approved can be raised simply with a Jin Pole and 4-wheel drive The e300i (1kW) used in telecommunications application with two e150 (600W) in the background The e300i (1kW) used in telecommunications application with two e150 (600W) in the background A diagram of the repeater station installation A diagram of the repeater station installation

Telkom and Kestrel partner to power Rural Repeater Stations

To meet growing communications demands it is becoming necessary to erect repeater stations in more remote areas. These sites may not have access to power sources and so, small wind turbines are able to replace noisy and polluting generators or costly cables needed to accommodate the tower's power requirements.

Small wind turbines yield energy autonomously of the national power grid, giving planners more flexibility in placing towers and repeaters. They are also low maintenance and adaptable to site requirements. System installations are guarded and kept safe by enclosures.

Purpose:

Power requirement of a repeater station is estimated to be around 2 kWh per day, an annual demand of around 750 kWh. Depending on the wind regime, which can range between 3 to 6 m/s in South Africa, the output of the Kestrel e300i (1kW) can range from 850kWh to over 2000kWh per annum. The power requirement of repeater stations is more than adequately supplied by the Kestrel's output.

Requirement varies by application but Kestrel systems are able top provide adaptable and renewable power for radio towers (Alaska Railway uses Kestrel e150 hybrid with solar for its towers) and the repeater towers in South Africa as well as Wireless Businesses, Autopage, Radiospoor, Fleetcall, MTN, the South African Broadcasting Commission, e TV, M-NET and Sentech, among others.

Installation Description:

An e300i (12V) battery charging system, includes a Type 0102 1kW Charge Controller in an Outdoor Enclosure, Kestrel Divert Resistor (also mounted in Outdoor Enclosure), SABS approved 12m Scissor Tower and deep cycle batteries.

Distributor: S & P Power (Pty) Ltd, South Africa

S & P Power Units has been designing and installing alternative power systems since 2001. By calculating and supplying complete solar panel, wind turbine and hybrid systems for any size user. S & P's sutomers include home-owners looking for a back-up system and large corporates needing power for isolated sites. Their product range includes wind turbines, solar panels, regulators, inverters,and most types of batteries. Their current client base inludes Armscor, Telkom and Roshcon

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