| Power plant products Sustainable wooden WTG blades


Stora Enso and Voodin Blade Technology have signed a partnership agreement to develop wind turbine blades made from wood. Under the agreement, the two companies are committed to developing sustainable alternatives for wind turbine blades and creating a competitive and reliable supply chain. They are currently producing and installing a 20 m blade for a 0.5 MW turbine and have plans for an 80 m blade. Voodin Blades is a German-based start-up company aiming at developing sustainable rotor blades for wind turbines. Stora Enso is a global supplier of mass timber products, including laminated veneer lumber, which is a construction material suitable for wind power construction. The aim is to offer of innovative solutions to replace less environmental-friendly materials


with renewable ones made from wood. Wind power blades are typically produced with fibreglass and carbon fibre, energy-intensive non- renewable plastics made from petrochemicals that cannot be easily recycled. Tens of thousands of ageing blades have ended up in landfills to date. Stora Enso and Voodin Blades say they can make the blades lighter and reduce the overall dependency on fossil fuel extraction. Stora Enso is providing 100% sustainable wood for the new blades. The first 20 m blade will be developed using Stora Enso’s LVL, a mass timber product that has a high load-bearing capacity that easily supports large scale rotary blades. LVL is relatively lightweight for transport on-site and is a renewable material with a minimal carbon footprint. The 20 m blade will


be installed on a 0.5 MW turbine near Warburg, Germany by the end of 2022.


In addition to its collaboration with Voodin Blades, Stora Enso recently announced a partnership with wood technology company Modvion to establish wood as the material of choice for wind turbine towers.


Emerson upgrades pressure transmitter


Emerson has introduced an enhanced version of its Rosemount 3051 pressure transmitter that it says adds new capabilities to a device that has been trusted by users for over three decades. Added features are said to make the device easier to use, provide more insights and add diagnostic capabilities, allowing commissioning, maintenance


and troubleshooting tasks to be completed faster. The pressure transmitter’s user interfaces have been redesigned to provide a simplified, task- based menu structure with common navigation across host and configuration tools. The new, high- contrast, graphical and backlit display can operate in eight different languages, and its visual icons give better insight to transmitter status. The added Bluetooth connectivity simplifies configuration and service tasks without having to physically connect to a device, making maintenance safer by eliminating the need to climb ladders or tanks, get ‘hot work’ permits or enter hazardous locations. Users will have an encrypted data connection from the transmitter to the mobile device or configuration tool.


Additional transmitter upgrades include capabilities that have historically been limited to flow meters and level devices. Now operators can


configure the device to measure flow rate as well as track total flow. Level measurements are simpler with a built-in configurator to set up level outputs. Volume measurements are also possible for common tank styles or even customised tanks that require a strapping table.


The device helps identify issues in electrical loops and impulse lines using built-in diagnostics. It can identify issues which could result in the control system receiving incorrect measurements, potentially leading to safety and quality compromising decisions. All diagnostic events are tracked in the built-in diagnostic log which allows users to always know the device status, even when not connected to the device. These capabilities help service technicians address potential problems faster by detecting them early, when they can still be corrected before they jeopardise safety, operations and the environment.


Rolls-Royce supplies eight battery containers to aid power trading


Rolls-Royce has delivered six of a total of eight mtu EnergyPacks to Vispiron, the southern Germany based provider of sustainable mobility and energy solutions. The battery storage systems have largely been commissioned in solar parks in Bavaria and Thuringia in Germany and are being used for intraday trading, that is, the short-term purchase and sale of electricity delivered on the same day.


Intraday trading is particularly important for absorbing unpredictable changes in electricity production and demand caused by the volatile feed-in of renewable energy sources such as solar and wind. “With regard to increasingly volatile electricity markets, battery storage can be used to profitably market storage capacity


while having a stabilising effect on our power grids,” commented Florian Schönberger, CTO of Vispiron Energy.


The Rolls-Royce offerings were chosen, says Visipron, primarily because the mtu units are fully integrable modular systems, available with power ratings from 60 kVA to 2000 kVA and a storage capacity from 70 kWh to 2200 kWh combined with high availability.


As marketer of the battery storage systems and green power supplier, SEtrade GmbH, a member of the Visipron Group, uses the virtual power plant in combination with an autotrading system to react to price fluctuations on the stock exchange in real time.


Rolls-Royce produces the battery systems at www.modernpowersystems.com | November/December 2022 | 39


its plant in Ruhstorf, Bavaria. The products are offered as 20– and 40–foot containers or as compact versions (slightly smaller than 10 feet) under the mtu brand, each unit containing the lithium-ion battery modules, electronic controls, inverters and cooling equipment.


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