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Brazilian Electricity Regulatory Agency trials Salt batteries

The Itaipu Technological Park, which is near the city of Foz do Iguaçu, is a Brazilian research centre for green energy. Together with energy provider Companhia Paranaense de Energia, they have been trialing a domestic Energy Storage System (ESS) using Solar Power and Sodium Nickel Chloride batteries. The research and development project is supported by Brazilian Electricity Regulatory Agency.

Senior Engineer Valentin Diaz says “We plan to integrate Victron energy products to other research projects and we are happy with the results so far”

By the end of 2019 the first of seven planned ESS prototypes began operation using Salt batteries. A swiss-made 48TL200, FZSonick battery was chosen, for which a bespoke charge algorithm was programmed into the system’s Color Control GX (CCGX).

The Victron CCGX is the communication device which sits at the heart of private power plants, receiving data, monitoring status, and controlling charge/discharge parameters.

First prototype of a 6 kva storage system to be implemented in rural areas in Brazil.

For the Itaipu Technology Park trial changes were made to the CCGX’s Venus Operating System software (Linux Kernel), allowing the implementation of the desired charge-control algorithm and Battery Management System (BMS) parameters.

The CCGX’s broad range of third-party-manufacture product compatibilities, together with its user-definable programming options makes the CCGX a versatile and popular choice – particularly as it connects to Victron Energy’s free-to-use remote monitoring platform VRM – allowing systems to be monitored and controlled from anywhere in the world. The facility to remotely monitor this pilot project was pivotal for the engineers at Itaipu.

24 solar panels used for the R&D project

The 6 kVA ESS (18 kWh capacity) prototype has applications for domestic rural and city dwellers – ironing out power grid issues such as voltage fluctuations and power outages. Switching times are so fast that the installation acts as an uninterrupted power supply.

Further improvements will be done in a second prototype in order to reduce weight and size of the proposed solution.

This installation employs:

The Project is planned to be complete in 2021 and it is hoped it will be adopted by industrial sectors, including electricity and agribusiness.

Headline image: PT R&D headquarters, part of ITAIPU – claimed to be the world’s largest generator of renewable clean energy.

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