Vodacom Tests 5g Technology In The Democratic Republic Of Congo

What types of power systems are used in communications infrastructure equipment?

Communications infrastructure equipment employs a variety of power system components. Power factor corrected (PFC) AC/DC power supplies with load sharing and redundancy (N+1) at the front-end feed dense, high efficiency DC/DC modules and point-of-load converters on the back-end.

What is a 3G base station converter?

In a 3G Base Station application, two converters are used to provide the +27V distribution bus voltage during normal conditions and power outages.

What is a multi-output power supply design?

Multiple output designs may also employ a complex regulation scheme which senses multiple outputs to control the feedback loop. Voice-over-Internet-Protocol (VoIP), Digital Subscriber Line (DSL), and Third-generation (3G) base stations all necessitate varying degrees of complexity in power supply design.

What is a preferred power supply architecture for DSL applications?

A preferred power supply architecture for DSL applications is illustrated in Fig. 2. A push-pull converter is used to convert the 48V input voltage to +/-12V and to provide electrical isolation. Synchronous buck converters powered off of the +12V rail generate various low-voltage outputs.

Is a 600 MWp solar plant being built in Congo?

Sun Plus, a unit of The Sandi Group (TSG), has launched construction work on a 600-MWp solar plant in the Democratic Republic of Congo that is part of an even larger project totalling 1 GWp. The two-phase scheme, known as the Kinshasa Solar City, includes the installation of a number of solar photovoltaic (PV) parks near the capital of the country.

What is a giant solar project in DR Congo?

Giant solar project announced in DR Congo The government of the Democratic Republic of Congo has announced plans for a 600 MW solar park for Menkao in the municipality of Maluku, 25km east of the capital, Kinshasa. The project will be the first in a 1 GW series of solar farms around the city, which has a population of ten million.

Which country is planning a 600 MW solar park for Menkao?

Image: Présidence de la RDC From pv magazine France. The government of the Democratic Republic of Congo has announced plans for a 600 MW solar park for Menkao in the municipality of Maluku, 25km east of the capital, Kinshasa. The project will be the first in a 1 GW series of solar farms around the city, which has a population of ten million.

How much electricity does the Democratic Republic of Congo have?

The Democratic Republic of Congo has a population of 85 million, of whom only around 9% have access to electricity, a figure which falls near 1% in rural areas. The nation has total electric generation capacity of just over 2.67 GW, of which 2.54 GW is hydropower and 135 MW thermal.

What is Kinshasa Solar City?

The two-phase scheme, known as the Kinshasa Solar City, includes the installation of a number of solar photovoltaic (PV) parks near the capital of the country. The 600-MWp phase one was initiated on August 19 and is expected to be completed within a year.

How much does a 1 GW City Solar System cost?

The government has estimated the total cost of the 1 GW city solar network will be around $1 billion. The Democratic Republic of Congo has a population of 85 million, of whom only around 9% have access to electricity, a figure which falls near 1% in rural areas.

How can the DRC bridge the digital divide?

Deploying and operating networks, particularly in deep rural areas, continues to be a significant challenge in the DRC. To bridge the digital divide and expand network coverage in underserved communities, the companies have pledged to jointly construct up to 2,000 new solar-powered base stations over six years, using 2G and 4G technologies.

What is mobile internet penetration in the DRC?

Mobile Internet penetration in the DRC is at 32.3% and Orange and Vodacom's announcement to construct new base stations in the country aligns with the country's new vision for the digital economy as included in the National Digital Plan Horizon 2025 adopted in 2019.

Who owns the transmission line in DRC?

The transmission line is owned by DRC's electricity utility, Societe nationale d'electricite (SNEL). The contract for the construction of the converter stations for the transmission line was signed in 1973. The HVDC link faced delays due to civil unrest in the country.

Who owns Vodacom Congo?

Vodacom is majority-owned by Vodafone (65.1% holding), one of the world's largest communications companies by revenue. For almost 22 years, Vodacom Congo has put its technology at the service of the socio-economic development of the DRC, providing a wide range of innovative technological products and services.

Why should you choose Vodacom Congo?

Thanks to its policy of corporate social responsibility, Vodacom Congo gives its subscribers access to solutions that contribute to the social and financial inclusion of the Congolese people. For more than 21 years, Vodacom Congo has been a privileged and constant partner in the economic and social development of the DRC.

How many synchronous condensers does a Kolwezi transformer have?

The Kolwezi transformer also has three 70MVA synchronous condensers connected to the bus bar. The transmission line uses double design air cooled thyristor valves, which are fully insulated to the ground. A combination of six double valves forms a 12 pulse converter unit.

What is a compressed air energy storage project?

A compressed air energy storage (CAES) project in Hubei, China, has come online, with 300MW/1,500MWh of capacity. The 5-hour duration project, called Hubei Yingchang, was built in two years with a total investment of CNY1.95 billion (US$270 million) and uses abandoned salt mines in the Yingcheng area of Hubei, China's sixth-most populous province.

Will China's first large-scale compressed air energy storage project be commercialized?

A state-backed consortium is constructing China's first large-scale compressed air energy storage (CAES) project using a fully artificial underground cavern, marking a major step in the technology's commercialization.

What is Xinyang air storage?

Designated as a pilot project under China's National Energy Administration's new energy storage initiative, the Xinyang facility pioneers an innovative air-sealing approach for artificial underground storage, offering a significant boost to the commercialization of CAES technology in China.

Can compressed air energy storage improve the profitability of existing power plants?

New compressed air energy storage concept improves the profitability of existing simple cycle, combined cycle, wind energy, and landfill gas power plants. In: Proceedings of ASME Turbo Expo 2004: Power for Land, Sea, and Air; 2004 Jun 14–17; Vienna, Austria. ASME; 2004. p. 103–10. F. He, Y. Xu, X. Zhang, C. Liu, H. Chen

What is compressed air energy storage (CAES)?

Compressed air energy storage (CAES) is an effective solution for balancing this mismatch and therefore is suitable for use in future electrical systems to achieve a high penetration of renewable energy generation.

Which energy storage technology has the lowest cost?

The “Energy Storage Grand Challenge” prepared by the United States Department of Energy (DOE) reports that among all energy storage technologies, compressed air energy storage (CAES) offers the lowest total installed cost for large-scale application (over 100 MW and 4 h).

Why do we need Advanced SubStation technology?

Development of advanced substation technologies that enable new functionalities, new topologies, and enhanced control of power flow and voltage can increase the grids reliability, resiliency, efficiency, flexibility, and security.

Why is energy storage important in electrical power engineering?

Various application domains are considered. Energy storage is one of the hot points of research in electrical power engineering as it is essential in power systems. It can improve power system stability, shorten energy generation environmental influence, enhance system efficiency, and also raise renewable energy source penetrations.

Why is a substation important?

Demonstrating sufficient selectivity, sensitivity, speed, safety, and reliability will be critical to gaining acceptance by networks operators. Generally, the equipment within a substation has a significant impact on the architecture and design of protection systems.

How can SSPs improve the performance of substation components?

On the path toward grid modernization are opportunities to improve the performance of substation components and to rethink the design of these critical nodes of the system. SSPS, a substation or “grid node” with the strategic integration of high-voltage power electronic converters, can provide system benefits and support evolution of the grid.

What are the most popular energy storage systems?

This paper presents a comprehensive review of the most popular energy storage systems including electrical energy storage systems, electrochemical energy storage systems, mechanical energy storage systems, thermal energy storage systems, and chemical energy storage systems.

Are substation applications valuable?

Advances in substation application will require heavy involvement from utilities to ensure that the target applications are valuable to the industry. However, the value of these applications will vary by region because of the multifaceted diversity in the U.S. electric power system.