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frequency regulation

Trial starts on second life lithium-ion energy storage system

Tue, 10/04/2016 - 11:19 -- Paul Crompton
Trial starts on second life lithium-ion energy storage system

Trial operations have begun on a second-life lithium-ion energy storage system for frequency regulation in Hamburg, Germany.

The 2MW (2,800kWh) project, which uses 2,600 battery modules from more than 100 BMW electric vehicles, began after successful completion of the design phase.

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Kokam partnership secures MWs of benefit for Korea

Fri, 08/19/2016 - 12:21 -- Paul Crompton
Kokam partnership secures MWs of benefit for Korea

Battery firm Kokam has secured a deal to supply a 13MW/h lithium-ion energy storage system (ESS) to aid frequency regulation to one of South Korea’s biggest utility companies.

The 36MW project will use the South Korean firm’s Ultra High Power nickel manganese cobalt (NMC) and NANO battery technology.

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World’s largest lithium nickel manganese ESS deployed to provide frequency control

Fri, 03/18/2016 - 13:22 -- Paul Crompton
World’s largest lithium nickel manganese ESS deployed to provide frequency control

The world’s largest lithium nickel manganese cobalt oxide energy storage system has been deployed for frequency regulation by South Korean lithium-ion/polymer battery firm Kokam.

The 24MW/9MWh system is one of two— the other is a 16 MW/6MWh system— deployed to provide frequency regulation on the South Korean electricity grid.

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Eaton plugs grid-tied inverters

Fri, 03/07/2014 - 10:56 -- Ruth Williams
The inverter will accommodate for line voltage and sags or surges in frequency

Eaton has launched a range of 2 and 2.25 MW grid-tied power inverters called Power Xpert for use with grid-scale energy storage.

The Power Xpert will convert AC power to DC and back again so power can be drawn from an attached battery system.

“The Power Xpert storage inverter scales up the size of the (energy storage) platform, providing customers a more cost-effective solution," said Chris Thompson, business unit manager at Eaton.

The inverter can be used with renewable energy sources to relieve intermittency issues, provide load shifting services, ramp rate control and frequency regulation to improve grid stability. The system responds rapidly to mitigate frequency changes by moving power in and out of the grid in less than eight milliseconds.

Power Xpert provides reactive power support to accommodate for line voltage and sags or surges in frequency.

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