Tags Posts tagged with "electrical grid"

electrical grid

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ABB has won orders worth over $150 million from Danish energy company, Ørsted (previously Dong Energy), to supply a range of technologies that will help integrate and transmit renewable wind energy from Hornsea Project Two, slated to be the world’s largest offshore wind farm. The orders were booked in the second quarter of 2018 and are the first tranche of a global five year frame agreement for the supply of electrical and automation equipment for offshore and onshore wind power connection and integration to the grid.

Hornsea Two is a 1,400 MW project to develop wind resources in the North Sea about 100 kilometers off the Yorkshire coast. Upon completion, it will be able to deliver enough clean electrical power to meet the needs of more than 1.3 million homes annually. The additional power supply will support economic growth in the UK’s Humber region, and help the UK meet its target of generating 15 percent of energy needs from renewable sources by 2020.

abb_svcABB will supply its state-of-the-art Static Var Compensation (SVC) Light technology with advanced ABB Ability™ MACH control systems, High Voltage gas-insulated switchgear (GIS), transformers, reactors and harmonic filters. ABB will also be responsible for the engineering, supply, project management and commissioning of the digital control and protection systems for the onshore substation and the two offshore platform substations.

The electrical power flow from Hornsea Two farm will be protected and controlled by the largest Static Compensation (STATCOM) system ever built for an offshore wind application. STATCOMs help offshore wind generating turbines to increase power transfer capability, improve power quality and enhance grid stability, delivering energy efficient and reliable power supply. The brain of the STATCOM is the ABB Ability MACH control, protection and monitoring system, managing this sophisticated technology by overseeing thousands of operations in real time to ensure power reliability and efficiency.

As part of the project scope, the ABB Ability™ enabled MicroSCADA system will be used for monitoring of the electricity network and gather data from Relion® Intelligent Electronic Devices (IEDs) and Remote Terminal Units (RTUs) to ensure safe and reliable grid integration system operations. Advanced mission critical technology will also be used for communication between the offshore platforms and the onshore substation.

Source: ABB

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A little over a year ago, Google announced that it was on track to purchase enough renewable energy to match all the electricity it consumed over the next year. Once completed the accounting for Google’s 2017 energy use it’s official—Google mets its goal. Google’s total purchase of energy from sources like wind and solar exceeded the amount of electricity used by its operations around the world, including offices and data centers.

What do the company mean by “matching” renewable energy? Over the course of 2017, across the globe, for every kWh of electricity Google consumed, it purchased a kWh of renewable energy from a wind or solar farm that was built specifically for Google. This makes Google the first public Cloud, and company of this size, to have achieved this feat.

Today, Google has contracts to purchase 3 GW of output from renewable energy projects; no corporate purchaser buys more renewable energy than Google does. To date, its renewable energy contracts have led to over $3 billion in new capital investment around the world.

The road to 100 percent

Google has been working toward this goal for a long time. Every year, the company signs contracts for new renewable energy generation projects in markets where it has operations. From the time it signs a contract, it takes one to two years to build the wind farm or solar field before it begins producing energy. In 2016, its operational projects produced enough renewables to cover 57 percent of the energy it used. That same year, it signed a record number of new contracts for wind and solar developments that were still under construction. Those projects began operating in 2017—and that additional output of renewable energy was enough to cover more than 100 percent of what it used during the whole year.

Google says that it “matched” its energy usage because it’s not yet possible to “power” a company of its scale by 100 percent renewable energy. It’s true that for every kWh of energy it consumes, it adds a matching kWh of renewable energy to a power grid somewhere. But that renewable energy may be produced in a different place, or at a different time, from where it’s running they data centers and offices. What’s important is that it’s adding new clean energy sources to the electrical system, and that it’s buying that renewable energy in the same amount as what it’s consuming, globally and on an annual basis.

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Looking ahead

Google is building new data centers and offices, and as demand for Google products grows, so does its electricity load. Google needs to be constantly adding renewables to its portfolio to keep up. So the company will keep signing contracts to buy more renewable energy. And in those regions where it can’t yet buy renewables, Google will keep working on ways to help open the market. Googles is working with groups like the Renewable Energy Buyers Alliance and Re-Source Platform to facilitate greater access to renewably-sourced energy.

Source: Google

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Wärtsilä has announced that it has delivered the world’s largest solar hybrid power plant. Wärtsilä will provide a reliable and sustainable supply of round-the-clock energy which is essential in operating the off-grid gold mine and demonstrate the enormous potential of integrating renewables as the baseload electricity.

Wärtsilä was selected by the global renewable energy independent power producer Total Eren SA and African Energy Management Platform (AEMP) to build a 15 MWp solar PV plant that shall generate and deliver energy to Iamgold Essakane SA at its gold mine in north-eastern Burkina Faso.

By hybridizing an existing 57 MW diesel power plant with the new solar PV plant and related hybrid plant controls, the plant’s performance has been significantly enhanced. The new solar hybrid plant configuration maximizes the utilization of renewable energy at the Essakane mine. It is estimated that this will reduce fuel consumption by some 6 million litres per year, while reducing the plant’s annual CO2 emissions by as much as 18,500 tons. This project has generated more than 200 employments during the construction phase and is expected to create 75 permanent jobs during the operation phase.

The inauguration of the new power plant, located approximately 350 km northeast of Burkina Faso’s capital city, Ouagadougou, took place on March 16th and was attended by representatives from Iamgold and Wärtsilä, as well as the President of Burkina Faso, Mr Roch Marc Christian Kaboré. A common theme throughout the proceedings was recognition of the success of this project and the growing potential for similar hybrid solutions, particularly on the African continent.

Wärtsilä has been contracted to operate and maintain the plant under an Operations & Maintenance agreement. With this project, Wärtsilä has over 7 GW of installed capacity in Africa.

Source: Wärtsilä

Unfortunately, sometimes wind turbines cannot be used even though it is a windy day. The energy that is generated is more than the power grid can absorb and gets lost. This problem is now being solved at Nuon’s Prinses Alexia Windpark in Zeewolde, the Netherlands. Dutch company Alfen has developed a mega energy storage system by connecting a large number of BMW car batteries. The system stores the surplus of energy so that it can be used when the grid requires the power at a later moment in time.

Together with BMW and Nuon, Alfen launched its 3 MW storage system at the Prinses Alexia Windpark in Zeewolde on Wednesday 28 June. The system will be expanded to 12 MW over the coming period, making it the largest storage project in the Netherlands.

 

This is the second project that connects energy storage to a wind farm. In May this year, Alfen realized a 1 MW storage system linked to wind farm Giessenwind at Giessenburg.

With the project at Prinses Alexia Windpark, Nuon and its parent Vattenfall make an important step forward in realizing their sustainable ambition to be climate neutral in 2050. This will enable Nuon to make flexible use of renewable energy without wasting energy.

Nuon is looking further: for example, they are planning to install a battery in residential areas with many houses with rooftop solar. In this way residents can use their solar energy that is generated during the day to charge their car at night.

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A new report published the World Economic Forum and Bain & Company, The Future of Electricity: New Technologies Transforming the Grid Edge, concludes that the adoption of new grid edge connected smart technologies in OECD countries could generate over US$2.4 trillion of value for society and the electricity sector over the next 10 years, stemming from new jobs and from the reduction in carbon emissions arising from the increased efficiency of the overall system.

The report describes the main changes facing the electricity sector, given the impact of technology and innovation on traditional models, from power generation to “behind the meter” energy management. Its conclusions particularly point to three trends that are converging to bring about these changes in the sector: electrification, decentralisation and digitilisation. These trends are currently found in grid edge connected smart technologies such as: distributed storage, distributed generation, smart meters, smart apparatus and EVs, all of which are impacting on the electrical system.

 

The rapid fall in the costs of these technologies is driving their adoption by customers. Smart meters, connected devices and grid sensors will enhance grid management efficiency and, more importantly, will make real time information available to customers as regards the supply and demand of energy throughout the system. The anticipated increase in the uptake of electric vehicles could offer the grid greater flexibility in the form of storage, but could also lead to problems of congestion, for example, if a large number of EVs want to charge up in a specific geographical area at the same time.

These technologies could improve the electric infrastructure utilisation rate. The electrical system was constructed to cover the maximum demand, meaning that a significant proportion of the infrastructure is inactive most of the time. In the USA, the average utilisation rate in 2015 of the majority of the power generation infrastructure was under 55%. A 10% reduction in peak demand could create up to US$80bn of value by increasing the overall utilisation rate of the infrastructure.

The deployment of these technologies will place the customer at the centre of the electrical system. With correct pricing and market design, customers could generate their own electricity, store it and then consume it during a cheaper time slot or sell it back to the grid. A system of this type can even permit decentralised “peer-to-peer” transactions.

ABB has won an order worth around $75 million to supply advanced converter transformers for the Belo Monte 800 kV ultra-high-voltage direct current (UHVDC) transmission link. The 2,518 km link will transmit clean power generated in the north of Brazil, from the Xingu substation, to the Rio Substation in the southeast. It will be capable of transporting up to 4000 MW of electricity – enough to meet the needs of around ten million people. The order was booked in the fourth quarter of 2016.

ABB supplies for the Belo Monte UHVDC link include fourteen 400 MVA, 400 kV converter transformers and other related equipment. Converter transformers are among the most vital components in a transmission system, enabling grid stability and power reliability, while minimizing losses.

 

UHVDC is an advancement of HVDC, a technology pioneered by ABB over 60 years ago, and represents the biggest capacity and efficiency leap in over two decades. ABB was the first to successfully develop and test 1,100 kV converter transformer technology setting the record for the highest DC voltage levels ever and making it possible to increase the power transmission capacity of UHVDC links to the unprecedented level of 12000 MW.

Transformers are integral components of an electrical grid enabling the efficient and safe conversion of electricity to different voltages. ABB’s transformers are designed for reliability, durability and efficiency with a portfolio that includes power transformers rated up to 1,200 kV, dry- and liquid-distribution transformers, traction and special application transformers and related components.

Source: ABB

Enair in its international expansion strategy sends more than 30 wind turbines for power telecommunication systems to Chile

Telecommunication antennas are becoming more frequent and necessary in the current era,  the growing market, focused on increasing space coverage and increasing to 4G technology or even more advanced ones.

The growth is such that the companies with the traditional electricity network do not reach all the necessary places for the location of the antennas, which are usually on top of mountain or high places to expand their range of action.

 

More and more mobile phone companies are choosing renewable energy installations and turn complete their image of Corporate Social Responsibility by spreading that they are renewable. But the main interest of these is undoubtedly the cost savings of these types of facilities, which have a payback period of 2 years.

Enair is currently involved in several international projects specifically in Chile where in December it has supplied more than 30 small power wind turbines of 3 and 5 kW. Apart from supplying this equipment’s, it participates in the design and sizing of each point and at the same time it is working on the development of  Micro networks, Smart Grid for several islands of the country.

The execution and supply of materials is usually carried out through public or private competitions where an analysis of the available technologies in the market in terms of mini-Eolic is usually carried out and awarded on the basis of technological development, given that the Enair wind turbines are approved in the country and have demonstrated their performance in advance, they become the first options. Specifically, the new PRO models thanks to their new features make it possible to reduce the amortization times and have the possibility to be installed manually without the need of cranes or heavy machinery.

Source: Enair

Technical workshops help Central America meet fast-growing power needs with renewable energy

A one-week series of workshops designed to support the deployment of renewable energy in Central America will conclude tomorrow in Panama City. Led by the International Renewable Energy Agency (IRENA), this first-of-its-kind effort convened key energy stakeholders to tackle the challenge of integrating more renewable energy into regional power systems. Participants included Central American Integration System Member States, regional and national electric utilities, distributors, operators, regulatory authorities, and other power system players.

The week began with a two-day workshop focused on the challenges and opportunities Panama faces in scaling up its renewable energy capacity. Participants assessed the impact of integrating larger shares of renewables into national electricity systems and the regional interconnection infrastructure. The week concluded with a three-day workshop focused on national and regional strategies to advance the deployment of renewables in electricity systems. Participants discussed the policy, regulatory framework and technical challenges ahead in integrating higher shares of variable renewable energy into the energy system.

 

Speaking at the workshop, Panama Secretary of Energy, Ing. Víctor Carlos Urrutia Guardia said, “The Renewables Readiness Assessment for Panama and the Clean Energy Corridor of Central America come at a very important juncture in the region. Concrete results are expected under the Paris Agreement on climate change and the energy sector will be key to achieving those goals. IRENA is helping the region identify new innovative solutions to incorporate more renewables and improve grid interconnection.”

The workships were held in partnership with the Economic Commission for Latin America and the Carribean (ECLAC), the Deutsche Gesellschaft für Internationale Zusammenarbeit and the Panama National Energy Secretariat, and the Panamanian Government. The event was implementated as part of the Clean Energy Corridor of Central America (CECCA).

“IRENA looks forward to continuing to collaborate with the region, and Panama as a pilot country, to achieve the Central American Sustainable Energy Strategy 2020 and to accelerate its transition to a sustainable energy future,” said Mr. Amin: “In the process, the region can improve its energy security, create jobs, boost economic growth and improve public health.”

Source: IRENA

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Unión Fenosa Distribución has incorporated the use of drones in the supervision of their electricity installations. Their innovative use represents a big step forward: it complements helicopter flights that capture information and replaces activities such as rooftop inspections, which will all be carried out by these remote controlled devices.

 

How do they work?

The project team comprises a certified pilot, who flies the aircraft, and an operator, who deals with the information collected, together they control the drone up to a maximum height of 50 metres to focus its zoom on the most important areas for operational support or elements that need to be inspected. Once a target has been located, it collects information from all angles and focuses on the power cables to display the line trajectory and its surroundings.

It increases operator safety because it reduces the number of times work is carried out at height by people for the thorough inspection of support structures or checking outdoor substations. Furthermore, it increases productivity in power line checking by 20% and allows costs to be reduced by up to 30%.

The drones check over 235 km of power lines in the province of Leon

For the last five months, Unión Fenosa Distribución has been using drones to check the more than 250 kilometres of high-voltage power lines and 1,000 support structures managed by the company in the province of Leon. In this region, drones have been used on over 350 kilometres and checked over 1,800 high-voltage support structures.

Unión Fenosa Distribución supplies electricity to almost 168,000 supply points in 117 municipalities in the province of Leon via a power grid of almost 7,300 kilometres. In Castile-Leon, the company manages 310,000 supply points in 325 municipalities via a high-, medium- and low-voltage power grid of over 14,300 kilometres.

Source: Gas Natural Fenosa

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Nordex is commissioning the largest wind farm in Uruguay (142 MW) to date. The manufacturer also supplied and commissioned the first turbine installed in Uruguay, back in 1999

The Nordex Group, a wind turbine manufacturer with more than 20,000 MW installed capacity globally, has made wind history in Uruguay. The country reached 1,000 MW of wind power connected to the grid with a N117/2400 MW turbine, which was the 13th to be commissioned at the “Pampa” wind farm.

Nordex thereby strengthens its support of wind energy in Uruguay and maintains its firm commitment to this market, 17 years after having also installed the first wind turbine in the country, a N27/150 KW model, in 1999.

 

The country expects to surpass 1,300 MW of installed capacity by the end of 2016 and continue growing the contribution by wind energy to the country’s power grid, aiming to supply 38% of its power consumption from wind in 2017.

Nordex has installed a total of 309 MW in Uruguay in four different wind farms: Juan Pablo Terra (67 MW), Florida (50 MW), Melowind (50MW) and Pampa (142 MW). 209 MW of these capacity were supplied on a turnkey basis. As part of its broad service offering, Nordex is also providing operation & maintenance services for 100% of its installed capacity in the country.

The manufacturer has currently around 5,000 employees, close to 50 of them working at the company´s subsidiary in Uruguay. During the installation of “Pampa”, 450 people are employed at the site.

Source: Nordex

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