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Power Around the Clock

Batteries, power-to-gas and power-to-heat systems promote power supply independence, free up the power grid and incorporate the mobility and heat sectors in climate protection – and all rely on WAGO controllers.


Storage systems capture excess energy and release it when necessary. This allows them to increase private consumption of solar by households and companies, to cap demanding current peaks and to supply operating reserves to compensate for short-term fluctuations on the grid. WAGO technology allows control of storage systems.

Home Storage Systems: Connect Batteries Quickly While Minimizing Space

The market for home storage systems is not only being stimulated by homeowners seeking to reduce their use of electricity from the grid by a combination of photovoltaic and battery storage. Suppliers also drive the sales of equipment as they can develop new business models. If batteries are sold together with solar modules and they are interconnected as a swarm, grid load can be reduced. WAGO provides the solution for installation of home storage. WAGO TOPJOB®S Rail-Mount Terminal Blocks can connect the system to a home's power distribution system.

Batteries Are in Demand; Researchers Optimize Them

Local Grid, Large and Industrial Storage Systems: Reducing Peak Loads

Local grid storage systems regulate the voltage in a low-voltage grid to a preset value. A clear rise in voltage is concerning – especially at lunch time when photovoltaics are running at full speed. Using local network storage that takes in excess energy is an alternative to feeding it into the medium voltage level and to expanding the local network. In the evening or when the sky is overcast, the stored energy can be fed back into the grid. Load peaks in the network can be reduced. In addition, the grid operator can provide system services through the storage system such as operating reserves to generate additional revenue.

Mass storage systems are primarily used for frequency regulation. Transmission grid operators can supply operating reserves. If the mains frequency within Europe's integrated grid system spikes due to excess energy, the storage systems take in energy. If the frequency falls because too little energy is generated, the storage systems release energy.

Industrial storage units cover capacities from a few kilowatt hours to several megawatt hours. Industrial storage units are primarily used to stabilize networks and among other purposes, are used in virtual networks to cap load peaks; i.e., Peak Shaving,” for load management and for combination with volatile generators, such as wind turbines and controllable consumers. They are also used as sources for electric filling stations, where solar energy can be obtained around the clock.

WAGO technology is used for safe, space-saving storage unit connection. Our telecontrollers are applied as gateways for access to the energy network. Various sensors on the field level can connect to the Internet via these gateways and make their data accessible on the cloud. These are the advantages of WAGO Controllers as a central element of measurement and control technology:

  • WAGO-I/O-SYSTEM 750 is ideal in the distribution grid, e.g., for serial communication with inverters or for 3-phase power measurement.
  • Convenient measurement and monitoring of generation or consumption rates (e.g., voltage, reactive power, active power, current, cos φ, frequency and energy flow direction)
  • Generation and load management
  • Integration of the Battery Management System (BMS) via CAN or MODBUS into the controller
  • Programmable controller per IEC 61131 or Linux® platform
  • Bundling supply rates by adaptation to central control systems
  • Connection to external market participants, such as suppliers and public utilities, direct marketers or virtual power plants via telecontrol in accordance with IEC 60870-5-101, -103 /-104, 61400-25, 61850-7-420, DNP3, VHPready
  • Cybersecurity: PFC100/PFC200 Controllers comply with current IT security regulations for grid operators and can be hardened as described in the BDEW white paper.
  • Cloud connectivity: Connection to the cloud thanks to an MQTT software upgrade

Industrial storage systems feed charging stations.

Power-to-X: Safely Converting Electricity to Heat and Gas

If power is stored not only for short, but over longer periods, power-to-heat and power-to-gas systems are available. They convert excess power to heat and into storable hydrogen and methane. These products can be stored in the existing natural gas network that supplies heating systems, power stations and gas stations. Power-to-heat is ideal for use in applications generating high amounts of heat, e.g., district heating grids. Power-to-gas systems and electrolyzers also work if a dense network of hydrogen filling stations is planned in a region or reliable access to the natural gas network is available. Advantages of WAGO's telecontrol solution:

  • Connection of generators and heat accumulators via controller; grid-connected integration of electrolyzers for storing large amounts of electricity
  • Multiple interfaces: PROFIBUS, CAN, Ethernet IP, IEC 60870/61400/61850, MODBUS, etc.
  • Convenient measurement and monitoring of generator/accumulator parameters, e.g., active power, temperature and storage volume; regulation of process values, such as pressure regulators and product gas separators with explosion-proof modules
  • Integration of current consumption forecasts and weather data
  • Programmable per IEC 60870-5-101/-103/-104, 61400-25, 61850-7-420 and DNP3
  • Easy parameter setting via configurator
  • Scalable via more than 500 different I/O modules for many applications, e.g., 3-phase power measurement for grid analysis
  • Cybersecurity: PFC100/PFC200 Controllers comply with current IT security regulations for grid operators and can be hardened as described in the BDEW white paper.
  • Cloud connectivity: Connection to the cloud thanks to an MQTT software upgrade
  • Standard I/O modules and intrinsically safe Ex modules in one controller (in a corresponding Ex housing depending on installation site)

Researchers at ZAE Bayern test the electrolysis.

See our Solutions at Work

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April 17, 2019
Topics

Emergency Lighting: Safe in Case of Emergency

If the power fails and the light goes out in your home, this may be very inconvenient, but it does not necessarily create a significant security risk. The situation is markedly different in a shopping center, in a cinema, at the airport or in a production facility – wherever large groups meet, a sudden lighting failure can quickly lead to critical situations. Even more dangerous is when there is a real emergency occurring at the same time, such as a fire or heavy smoke. In such cases, lighting must be used to ensure that all the people inside the building can find the quickest way out.
Interview

Customer application

Zero Emissions, Doubly Safeguarded

Supported by the Arctic University of Norway in Narvik (UiT) and funded by the Norwegian government, the shipbuilders at Grovfjord Mekaniske Verksted (GMV) have developed an energy management system (EMS) for a zero-emission ship with an all-electric drive. This visionary project was realized with the help of WAGO, which contributed to the central automation.

Customer application

Aquaculture Leaps into the Digital Age

The notion of the fisherman sailing off to the open seas is scarcely more than nostalgia. In the meantime, according to information from the wildlife and environmental protection organization, WWF, almost half of all fish consumed by humans comes from aquaculture, and the trend is increasing. Fish farmers do not rely on bait, but instead on digital data analysis in order to catch the fattest fish – and to keep their breeding stocks healthy and economically viable. WAGO technology is there to support them.

Customer application

The Lake is Calm and Still

Embedded in a stunning, idyllic mountain setting, Lake Lucerne provides a traditional atmosphere with its fjord-like straights and winding inlets. Right in the middle of this beauty is a daily shipping route bearing tourists between Lucerne and other popular travel destinations, like Weggis and Bürgenstock. While it may sound less than idyllic, it actually boasts an intriguing eco-friendly twist. The MS Bürgenstock, the new motorized vessel belonging to the Lake Lucerne Navigation Company (SGV), sports a quiet and fuel-efficient hybrid drive. Aventics, a specialist of hybrid drive controls in ships headquartered in Laatzen, ensures optimum control between the electric motors and diesel engines. Several years ago, Aventics expanded their solutions by using the WAGO-I/O-SYSTEM 750.

Topics

The Cloud for Smart Ocean Routes

Providing, collecting, evaluating and using data: In addition to the PFC100 and PFC200 IoT Controllers, WAGO is expanding its digital performance portfolio with the new WAGO Cloud. This pioneering technology enables even the rather conservative shipping sector to function more efficiently.

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