RE: ABB1 Dec 2022 16:44
So i post something of interest and yet all of this gets by passed with the usual bull
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HYDROGEN ECONOMY
ABB – Hydrogen Based Shore Power System
November 29, 2022
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3 min read
ABB – Hydrogen based shore power system.
This article discusses an onshore solution to supply zero-emission electricity on demand to vessels at berth. Electricity is generated by fuel cells using hydrogen produced using renewable energy, and stored locally. Plant equipment can easily be built into containers or e-houses, with the added benefit of scalability to match demand requirements.
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Offshore wind power or solar power is used to produce hydrogen in an electrolysis plant. The hydrogen is stored until power is required, and then it is fed to fuel cells to produce electricity. The power output from the fuel cells is processed electronically and supplied to the vessels.
The basic solution can be augmented with a local distribution network, connection to the national grid, and a power and energy management system.
The solution enables ports to reduce their environmental emissions and operate more sustainably. It can store energy from wind or solar power when there is no demand and then utilize the energy when vessels need a power supply. The equipment can be built into containers or e-houses.
No harmful emissions are produced, as wind and solar power, hydrogen electrolysis, fuel cells, and power conversion are all zero-emission processes.
Technical description
The proposed solution enables zero-emission renewable energy to be used for shore-to-ship power supplies. Offshore wind power and solar power are intermittent and relatively unpredictable power sources, while demand for shore-to-ship power varies significantly depending on the number and type of vessels at berth.
To match the supply from renewables with the demand from vessels, a buffer system is required that can store energy. This solution utilizes hydrogen gas as an energy buffer.
Offshore wind producers are already looking at hydrogen produced by electrolysis as a way to store the power they generate. Ports and nearby coastal areas provide favorable sites for electrolysis plants.
Ports are generally relatively close to offshore wind farms, and they will often have concentrations of potential hydrogen users, such as vessels that operate using hydrogen or hydrogen- based synthetic fuels, industrial plants, and transport hubs. As a result, it is understood that plans are already being prepared to construct electrolysis plants at or near ports.
The hydrogen produced by the electrolyzers is stored. When a vessel requires power, hydrogen is fed to fuel cells to generate electricity. Fuel cells are ideal for supplying electricity on demand as their output is flexible and easy to adjust
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