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Energy in Transition

Energy in Transition

Solving the energy trilemma

Posts posted in March 2012

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Voltage and var solutions

Voltage and var solutions

The voltage/var problems associated with serving urban areas that import large shares of power during peak load hours have slowly been gaining recognition by the international electric power community. Affected urban areas have often been geographica ...

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Cyber security — reality or myth?

This author no longer works for DNV GL. I recently was invited to give a talk at an industry conference on the topic, "Cyber Security -- Reality or Myth." I was somewhat surprised at the topic, especially in light of some of the highly publicized ...

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Problems with highly compensated power systems

Problems with highly compensated power systems

This author no longer works for DNV GL. Major load areas with high levels of shunt capacitors can present special challenges to system planners and operators. Such highly compensated systems are difficult to operate and are subject to extremely ra ...

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Smart grid trends in the near term

What kind of growth do you expect to see in the smart grid arena during the next few years? DNV GL Energy & Sustainability Vice President Ron Chebra shares his perspectives... After the effects of stimulus funding that many utilities have receiv ...

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Reactive power: what it is; why it is important

Reactive power: what it is; why it is important

There is a global trend toward adding dynamic reactive devices to serve urban load areas. A number of interrelated factors contribute to this increasing use of dynamic reactive devices, such as the following: > Many urban areas are experiencing ...

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