Technical requirements for grid-connected control of energy storage cabinets

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Technical requirements for grid-connected control of energy storage cabinets

6 FAQs about [Technical requirements for grid-connected control of energy storage cabinets]

What are the grid code specifications for grid energy storage systems?

The Grid Code Specifications for Grid Energy Storage Systems are determined according to Table 3.1, and as a rule, they are not dependent on the rated capacities or specifications of other production or demand systems connected to the same connection point.

What if a grid energy storage system requires specific measures?

If the specific studies indicate that the connection of the grid energy storage system requires specific measures in order to ensure the technical feasibility of the grid energy storage system, the measures are treated as equivalent to the Specifications, and the grid energy storage system owner is responsible for their execution.

Who has the right to operate a grid energy storage system?

Upon receiving the FON, the grid energy storage system owner shall have the right to operate the grid energy storage system and supply power to the connection point until further notice.

What data is required for a Type C grid energy storage system?

For type C grid energy storage systems, the data specified in tables 7.2 and 7.3 must be delivered. The grid energy storage system owner shall submit this grid energy storage system data to the relevant network operator as electronic documents after the commissioning testing.

What are the requirements for a grid energy storage system?

The grid energy storage system must be equipped with a bus interface (input port), so that the production mode of active power can be changed (production/demand) and a setpoint can be given thereto. The bus interface must be compatible with the IEC 60870-6 (Elcom, ICCP/TASE.2), IEC 60870-5-104 or IEC 61850 protocols.

Does Fingrid have specific study requirements for grid energy storage systems?

On 21 June 2023, Fingrid has published Specific Study Requirements (SJV2019 / chapter 5), "Specific Study Requirements for Grid Energy Storage Systems" (see Attachments section), which apply to certain type D grid energy storage systems.

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