Energy Meters For Underground Applications

The SACI TCIL2 3-phase indirect energy meter for when reliability counts

SACI´s TCIL2 3-phase indirect energy meters and analysers were installed recently as part of the upgrade of Riyadh´s underground system, Saudi Arabia. The TCIL2 accurately measures the energy of a 3-phase network as well as providing other parameters including the following: voltage, current active power, reactive power, power factor, frequency and maximum demand in low voltage.

Features:
• Bidirectional three phase energy meter
• RS-485 communication. MODBUS Protocol
• Active energy counter resettable
• Accuracy CL.1 Active Cl.2 reactive (En62053)
• Indirect input (x/5 A or x/1 A) programmable.
• Led indicator
• LCD Display 8 digits
• Pulse output: SO (DIN 43864)
• Harmonic RMS (1-32) (Optional)

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Siemens To Build One Of Europe’s Largest Battery Storage Facilities

Siemens Smart Infrastructure and Zukunftsenergie Nordostbayern GmbH have signed a letter of intent for the turnkey construction of 100MW largest battery storage facility in the German town of Wunsiedel. The plant, with a storage capacity of 200 MWh, is intended to use surplus renewable energy and cover demand peaks in the power grid.

The 5000 square metre facility will be based on a lithium ion battery storage system provided by Fluence, a joint venture between Siemens and AES, and will be able to store and release large amounts of green power, including during periods of otherwise expensive peak load matching.

Siemens will handle project management, including a technical implementation concept, as well as the construction of a mediumvoltage switch gear system and connection to the high voltage grid. Among other things, the letter of intent also includes the development of a financing concept. This [facility] also benefit sup stream grid operators because it gives them more flexibility to compensate for voltage fluctuations, which are increasingly common because of the expansion of renewable energy generation,said Bernd Koch, head of Technology Performance Services at Siemens Smart Infrastructure Germany. For the network operator, the solution promises significant relief. Switching on and off large industrial plants in the grid area requires a lot of electricity, said Siemensproject manager Andreas Schmuderer. Up to now, the network operator has had to maintain considerable reserves. If these can be eliminated in the future, there will be great potential for reducing CO2 emissions in the local energy market.

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IoT-Capable Energy Measuring Devices

The new EMpro energy measuring device product family from Phoenix Contact is now paving the way for the “Internet of Things”. The energy data can be integrated into local networks with just a few simple commands from any browser through the integrated REST interface

“REpresentional State Transfer” is a user-friendly software architecture that uses all common Internet protocols. Special knowledge of industrial communications protocols is not needed. In addition, versions with direct cloud connection allow interaction with the devices from anywhere, at any time. Therefore, operators can access measurement and component data anywhere in the world without using an additional gateway. The information is stored, processed, and visualised in the cloud. In addition, the platform features smart services such as basic energy monitoring, device management, and monitoring the state of health of the measuring devices. The range has been extended with devices with 24 VDC supply, making it possible to separate power and control circuits in automation applications.

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