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PV project

Sistema de conversión de potencia de Ingeteam para un proyecto piloto en Dubái, el primer sistema de almacenamiento de energía en EAU acoplado a una planta fotovoltaica a gran escala / Ingeteam's power conversion system (PCS) for a pilot project in Dubai, the first energy storage system paired with a PV plant at a grid-scale level in the UAE. Foto cortesía de /Photo courtesy of: Ingeteam

Amplex-Emirates LLC was awarded a pilot project by Dubai’s Electricity & Water Authority (DEWA) to install a battery energy storage system (BESS) at the Mohammed Bin Rashid Al Maktoum Solar Park in Dubai; the first energy storage system paired with a photovoltaic plant at a grid-scale level in the United Arab Emirates. NGK Insulators LTD supplied its NAS batteries and Ingeteam was responsible for the supply of a 1.2 MW power conversion system (PCS) with its medium voltage components (power transformer, MV switchgear, etc.), and the power plant controller (PPC).

Dubai has accelerated investment in renewable energy to eliminate dependence on fossil fuels and for sustainable economic growth, and is building the Mohammed bin Rashid Al Maktoum Solar Park, the world’s largest solar park, in the south of the Emirate. Dubai is targeting introduction of 5,000 MW of solar  PV and CSP by 2030, which will raise the ratio of renewable energy to 25% of total generation capacity. Furthermore, Dubai is seeking a 75% power output from clean energy sources by 2050.

In anticipation of the large-scale introduction of renewable energy in the future, DEWA installed a NAS battery system in the solar park to demonstrate its effectiveness in stabilizing grid fluctuations caused by the nature of renewable energy. The 1.2 MW/7.2 MWh NAS storage system is allowing DEWA for evaluating the technical and economic capabilities of this technology when integrated with PV arrays in order to increase grid stability and reduce CO2 emissions. In fact, the storage system will be also used for energy time shifting, frequency control and voltage control by using the large capacity of the batteries. This kind of hybrid systems help to deliver clean and reliable power to energy consumers with a greater availability and cost-effectiveness.

The Ingeteam supply was comprised of a 1.2 MVA power station equipped with two storage inverters and all the rest of components for a LV-to-MV and DC-to-AC conversion (medium voltage transformer, medium voltage switchgear, etc.). These inverters have been conceived to perform according to the most demanding international grid codes, featuring some very advanced operating functions such as black start capability. Moreover, they are suitable for both stand-alone and grid-tied systems. Also, Ingeteam supplied the Power Plant Controller (PPC) and the BMS interface control that manages the operation of the overall system, developing the more advanced control features, such as:

  • Energy Time Shifting. This control mode enables an advanced power generation planning, making the power plant’s production profile unmatch the consumption profile, allowing electric utilities to address daily peak demand that falls outside periods of solar generation.
  • Predictable PV+BESS production: The BESS is connected in the boundary of the PV plant and receives the real-time PV production. The power station automatically changes the active power according to the PV production variations to ensure a PV+BESS predictable power production in the common point of connection at the Syhaslm- 33/11kV substation.
  • Fast Frequency Regulation. The system adjusts the power production depending on the frequency variations.
  • Voltage Droop Control. According to an established droop gain, the system selects the necessary reactive power at the point of connection, depending on the existing voltage difference.

Source: Ingeteam

STI Norland has completed in record time the supply of the solar trackers model STI-H1250 which are being installed in the PV project located in Puerto Libertad, in the state of Sonora (Mexico). The largest PV plant executed by the company to date.

This project has been a challenge due to its magnitude and the requested short delivery schedule which has been perfectly fulfilled by STI Norland.

STI Norland supplied a total of 1,500 units of the solar tracker model STI-H1250 ™ -centralized solar tracker (mkulti-row)- that will support more than 1,000,000 photovoltaic panels which will provide clean energy to more than 586,000 Mexican households.

STI Norland is one of the main suppliers of solar trackers in the Mexican market, with more than 800 MW of accumulated experience in this country. Future local prospects are very optimistic since the country is making a clear commitment to the development of clean energies.

Source: STI Norland

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Soltec’s trackers have been chosen for bifacial compatibility as demonstrated at the European Southern Observatory in the Atacama Desert

Soltec, a leading manufacturer and supplier of single-axis solar trackers and related services in large-scale projects, supplies complete tracker equipment to two solar PV power plants in Israel. One of them is in the Bnei Shimon regional council while the second one is being constructed in the Merhavim regional council. The project counts on a total power capacity of 17 MW, 2 MW of them bifacial.

El-Mor Renewable Energies serves as a full EPC contractor for large-scale PV solar plants. El-Mor procured 534 units of the SF7 Single-Axis Tracker and 64 units of the SF7 Bifacial.
In this project, regional challenges stem from being high-desert with extreme climate conditions; being remote from population centers and infrastructure; and having harsh supply logistics and installation circumstances that pose risks to the project timeline. Our equipment is utterly proven under desert conditions,” said Emilio Alfonso, Soltec’s VP of Sales EMEA. Soltec has supplied and installed more than 400 MW to PV plants in desert areas of Chile, Israel, Jordan, Morocco, Spain, and Turkey.

Because it is designed and proven for extreme desert conditions, Soltec’s trackers are an ideal tracking solution for the region’s harsh environment. SF7 is self-powered and provides the lowest cost of operational power with an autonomous power supply, requiring no additional PV module or grid-powered connection.

Besides, by eliminating array-gaps on the tracker at all pile mounting locations, SF7 achieves complete tracker module fill that enables greater yield. By reducing parts count and installation labor, SF7 also achieves a lower installed first-cost. The net result is a greater benefit/cost ratio that defines Soltec’s principal innovation criteria to increase tracker cost-effectiveness.

Other key features of SF7 that customers value highly include: fewest piles-per-MW, greatest installation tolerances on steep-slope and irregular land, and the greater site-fill options of a short tracker that mounts twice the modules per independent-row tracker length.

In 2015, Soltec manufactured the first tracker specifically designed to mount bifacial panels at a power plant in La Silla observatory, Chile. “This plant is unique, not only because of powering an astronomical observatory. It was the first utility plant with bifacial modules,” said Raúl Morales, CEO of Soltec.

The standard two-up portrait module tracker configuration designed by Soltec eliminates the terminal problem of a one-up configuration and the torque tube imposing constant shading on the backside PV active-area. “R&D has always been Soltec’s cornerstone. Soltec pioneered in bifacial tracking but now we are commercializing a mature standard product with innovation within cost-effectiveness criteria,” said Morales.

Soltec’s global operations and workforce of over 750 people blend experience with innovation. The company has manufacturing facilities in Argentina, Brazil, China, and Spain, as well as offices in Australia, Chile, Denmark, Egypt, India, Israel, Italy, Mexico, Peru, and the United States. With a strong commitment to renewable energy and the environment, the company is dedicated to innovation, product standardization, and customer success.

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Ingeteam has secured the supply and installation contract for Europe’s largest PV project. The Mula PV plant, located in the south-east of the municipality of Mula in the region of Murcia, will have an installed power capacity of 500 MWp, which will make it the largest PV plant in Spain and in Europe as a whole.

Thanks to this new contract, by December Ingeteam will reach the figure of 2,000 MW in PV inverters supplied to the Spanish market. Added to this milestone are the 900 MW of PV power maintained by Ingeteam in Spain.

It is estimated that, by the end of 2019, the plant could be fully operational, through the access and connection point at the El Palmar substation, a strategic hub for the power transmission grid in Murcia.

Covering a surface area of almost 1,000 hectares, similar to around 2,000 football pitches, the Mula solar plant is calculated to produce more than 750 million kWh per year, providing sufficient energy to supply a city of 450.000 inhabitants. The scale of the project makes this a unique initiative for the region, positioning Murcia as a leading renewables producer at a global level.

Delivery has already started on the total of 238 central PV inverters to be supplied by Ingeteam, all with 1500 Vdc technology. Moreover, the supply is not limited to the PV inverters, but covers the complete medium voltage solution, the Inverter Station. This solution comprises all the low and medium voltage equipment required (LV/MV transformer, MV switchgear, LV switchboard and auxiliary services transformer), which is connected in the field to the PV inverters.

Apart from the supply of equipment, Ingeteam is to perform the work to unload, position and connect the 74 inverter stations, in addition to the commissioning and electromechanical installation work.
This new contract strengthens Ingeteam’s position in Spain, where the company is set to close this financial year with a total of 2 GW of power supplied and reaching a figure of 900 MW of maintained power in the Spanish PV market. This figure consolidates the company’s global leadership position in the provision of power plant Operation & Maintenance Services, with 12 GW.

Scope of supply

– 74 inverter stations fitted with all the necessary equipment to inject medium voltage power: PV inverters, LV/MV transformer, medium voltage switchgear, auxiliary services transformer and low voltage switchboard.
– Two hundred and thirty-eight 1500 Vdc photovoltaic inverters, each with a rated power output of 1690 kW, pertaining to the INGECON® SUN PowerMax B Series family.
– Work involving the unloading, positioning, installation and connection of the PV inverters.
– Commissioning and electromechanical installation of 74 inverter stations.

Source: Ingeteam

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Ingeteam Power Technology has been awarded the supply contract for the world’s largest PV plant, being built by Sterling and Wilson, one of the leading global solar EPC companies. The Sweihan PV project, which is to be constructed in Abu Dhabi (United Arab Emirates), is to have an installed power of 1,177.36 MW. Once inaugurated, this will be the largest PV project in the world to be constructed in a single generating power plant.

The energy produced is to be purchased by ADWEC (Abu Dhabi Water & Electricity Company), the Emirate’s electricity company, a subsidiary of ADWEA (Abu Dhabi Water & Electricity Authority), for subsequent transmission, distribution and trading. The consortium of companies responsible for the development and operation of the Sweihan PV project, awarded the engineering and construction work to the Indian company Sterling & Wilson, which then selected Ingeteam’s technology for this project.

 

Therefore, in early 2018, Ingeteam will start to supply its new 1,000 Vdc INGECON® SUN PowerMax B series central inverters, capable of delivering a power output of up to 2,330 kW. These units are known as dual inverters due to the fact that they combine two power blocks with a common AC busbar, facilitating the direct connection with the medium voltage transformer. The solution provided in power station format comprises two dual inverters together with the other devices required for low to medium voltage conversion. Namely the LV/MV transformer together with an enclosure housing the medium voltage cells, auxiliary services transformer, low voltage switchgear, UPS and a cooling system with air conditioning.

The solution developed by Ingeteam, known as the Inverter Station, incorporates two 2.33 MW PV inverters for the supply of 4.66 MW. These new dual inverters are suitable for outdoor installation, being specifically designed to withstand extreme climate conditions, such as those present at Sweihan in Abu Dhabi.

Moreover, Ingeteam has purchased a chamber to conduct dust and sand tests in accordance with the IEC 60068-2-68 international standard. This chamber makes it possible to conduct additional tests, such as the inverter response to sandstorms, which are extremely common at sites of this type. It has been used to check the correct operation of the inverter, as well as the efficiency of its “sand trap” system to prevent the ingress of particles into the inverter, while collecting the grains of sand and facilitating their subsequent removal. Thanks to this system, Ingeteam’s PV inverters have been certified by an external body as able to withstand sandstorms, as described in standard IEC 60068-2-68.

The Management of Ingeteam Power Technology expressed its satisfaction with the contract award, emphasising the fact that “the signing of this contract is the fruit of all the hard work put in right from the outset, marking yet another success in the company’s bid to enter the Middle East market”.  Furthermore, the Management highlighted the fact that “this contract is yet another example of Ingeteam’s ability to develop ambitious large-scale projects.

The commissioning of the PV plant, for which Ingeteam is also responsible, is set to take place at the end of 2018. Once commissioned, the PV plant will save around 7 million tonnes of carbon emissions every year.

Scope of supply

For this project, Ingeteam is to supply:

  • 201 power stations with a power output of 4,660 kWac. Each fitted with all the necessary equipment to inject medium voltage power: dual PV inverters, LV/MV transformer, medium voltage switchgear, auxiliary services transformer, UPS and low voltage switchgear.
  • 402 dual PV inverters, each with a rated power output of 2,330 kW, pertaining to the 1,000 Vdc INGECON® SUN PowerMax B Series family.
  • Commissioning of the system.
  • Service level agreement, guaranteeing a 99% operational availability of the equipment supplied by Ingeteam during the first two years of the PV plant operation.

Source: Ingeteam

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The Dubai Electricity and Water Authority (DEWA) has announced the bid prices of the four consortia selected to develop the 200 MW Phase 4 of the Mohammed bin Rashid Al Maktoum (MBR) Solar Park. The lowest bid submitted for this CSP project was 9.45 c$/kWh (8.47 c€/kWh, based on the exchange rate at the time of writing this article), representing a drop of almost 40% on the lowest global bid price to date. The other three bids submitted prices of between 10.58 c$/kWh and 17.35 c$/kWh (9.48 – 15.55 c€/kWh). Dubai’s record low PV price of 2.99 c$/kWh for the 800 MW Phase 2 of the MBR project demonstrated the potential for cost optimisation under the MBR Programme. As regards the 200 MW CSP tower project, Dubai targeted a cost of 8 c$/kWh

As the first commercial CSP solar tower project in the UAE, this 200 MW CSP tower project in Dubai has caught the attention of global CSP players. With a minimum of eight hours’ storage and expected to come online by 2021, the project forms part of Phase 4 of the MBR Solar Park, with a total installed capacity of 1 GW planned by 2020, and 5 GW by 2030 (including 1 GW of CSP). The project is in line with Dubai’s clean energy strategy to generate 75% of electricity from clean energies by 2050.

 

The tender for Phase 4 of the solar park corresponding to a CSP plant with tower technology, includes up to 12 hours of energy storage, meaning that the plant will be able to supply electricity throughout the night. It represents the first phase of a development that is expected to offer 1 GW of CSP power using tower technology. Read more..

Article published in: FuturENERGY June 2017

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Ingeteam has supplied 23 of its 4.8 MW power stations for the Clare Solar Farm project, located in the Australian state of Queensland. This 100 MWAC (125 MWDC) project, conducted by Fotowatio Renewable Ventures (FRV), is being constructed by the Australian EPC, Downer EDI.

The energy generated by this solar plant, which is still at the construction stage, is to be injected into the distribution network operated by the Origin Energy electricity company.

 

The Ingeteam 1,500 Vdc technology was selected for this project, involving the supply of the company’s INGECON® SUN PowerMax central inverters, capable of producing a power output of up to 1,800 kW with a single 1,500 Vdc inverter, although the inverter model chosen for this project provides 1,600 kW. The solution, in the form of a power station, comprises three of these inverters housed in a 40 foot container, in addition to a power transformer, low voltage switchgear, medium voltage switchgear and auxiliary services panel. This is all supplied on a turnkey basis in order to ensure immediate, simple installation and field commissioning.

Scope of supply

For this project, Ingeteam has supplied:

  • 23 power stations fitted with all the necessary equipment to inject medium voltage power: three PV inverters, LV/MV transformer, medium voltage switchgear, auxiliary services transformer and low voltage switchgear.
  • Sixty-nine 1,500 Vdc photovoltaic inverters, each with a rated power output of 1,600 kW, pertaining to the INGECON® SUN PowerMax B Series family.

Source: Ingeteam

The Energy Department’s (DOE) National Renewable Energy Laboratory (NREL) recently completed a photovoltaic (PV) solar demonstration project in Puerto Rico using GPTech’s control software, which allowed the facility to run under NREL requirements for their test plan.

GPTech technology adapted a 20 MW PV Plant in Puerto Rico to demonstrate “grid friendly” capabilities of utility-scale PV power plants. GPTech provided state-of-the-art Power Plant Controller (PPC) Software by updating the control software of the PPC while maintaining other systems. The new system ensured that the PV plant met the requirements to accomplish the demonstration tests.

The new software controls are related to critical operation features such as frequency response, frequency droop adjustment, curtailed operation, fast frequency response, and automatic generation control signals.

GPTech’s PPC technology operates in several PV plants, including the Mount Signal Solar Power Plant in Imperial County, California, one of the largest operating PV plants in the United States with 256 MW.

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