TUV BTS Solar Power System Telecom Base Station Hybrid Solar Energy Solutions

Product Description

Solar Power Supply Solutions For Telecom Base Station

With more than six billion subscribers, the cellular networking and communications industry is growing rapidly. To support this growth in the subscriber base, cellular operators have expanded their coverage and capacity by deploying additional network infrastructure. This in turn has increased the energy consumption of cellular networks and their contribution to greenhouse gas emissions. With more than three million

base stations (BSs) worldwide, cellular networks currently contribute to around 3% of the worldwide energy consumption and 2% of carbon emissions . Also, it is predicted that the carbon emissions of information and communication technologies (ICT) will increase from 170 metric-tons in 2014 to 235 metric-tons by 2020. This increase in the power consumption and carbon footprint of cellular networks has

led to various initiatives for “green” solutions from telecom providers, government agencies and researcher.

One of the key components of a cellular network is the base station. BSs are categorized according to their power consumption in descending order as: macro, micro, mini and femto. Among these, macro base stations are the primary ones in terms of deployment and have power consumption ranging from 0.5 to 2 kW. BSs consume around 60% of the

overall power consumption in cellular networks. Thus one of the most promising solutions for green cellular networks is BSs that are powered by solar energy. Base stations that are powered by energy harvested from solar radiation not only reduce the carbon footprint of cellular networks, they can also be implemented with lower capital cost as compared to those using grid or conventional sources of energy.

Generally speaking, remote area power system consists of electricity generation, energy store, energy conversion, and management equipment. Energy generation equipment includes diesel generator, photovoltaic array, wind generator and hydraulic generator. Storage equipment includes battery pack and energy storage bank. Energy conversion and management equipment comprises DC converter and inverter switch.

Diesel generator is the main power supply in remote areas. It is necessary to keep the load at 60-70% of rated capacity to maximize fuel efficiency and reduce maintenance. The wind generator can reach 250W-500kW output; however, steady wind fields are required. Likewise, suitable and stable river current is a must for hydraulic generator. Furthermore, the hydraulic generator is expensive even though the operating cost is relatively low.