Electrical Energy Storage Systems Introduction
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Questions and Answers

What role does energy storage play in the electric power supply grid?

  • Increasing power quality disturbances
  • Creating electrical stability issues
  • Decreasing the efficiency of power management
  • Reducing peak load problems (correct)

How do breakthroughs in reducing the costs of electricity storage systems affect the electric power system?

  • Result in a decrease in electrical stability
  • Drive revolutionary changes in design and operation (correct)
  • Have no impact on the power system
  • Lead to an increase in peak load problems

What does the Energy Storage System (ESS) help provide in the electric power supply grid?

  • Decrease in electrical stability
  • Increase in power quality disturbances
  • Balance between production and consumption (correct)
  • Disruption of power management

How does energy storage help improve the integration of renewable resources in the energy system?

<p>By increasing their penetration rate of energy (C)</p> Signup and view all the answers

Where can storage be applied within the electric power supply grid?

<p>At the power plant, transmission system, distribution system, and customer’s side of the meter (D)</p> Signup and view all the answers

What does energy storage assure in terms of power management?

<p>More efficient management of available power (A)</p> Signup and view all the answers

What is the purpose of an energy storage system in the context of renewable energy?

<p>To store stable electric energy during wind and photovoltaic power generation (D)</p> Signup and view all the answers

What problem can occur if there is no energy storage unit in place for unstable sunlight-dependent electricity supply?

<p>Sudden blackout (B)</p> Signup and view all the answers

What is the main factor driving the shift from fossil fuels to renewable energy resources?

<p>Concerns about the environmental impact of greenhouse gas emissions (A)</p> Signup and view all the answers

What problem do renewable energy sources (RESs) face due to their variable and intermittent nature?

<p>Inability to generate stable electric energy (A)</p> Signup and view all the answers

What is the function of energy storage in peak reduction?

<p>Charging storage assets during periods of low demand and discharging them strategically during peak periods (C)</p> Signup and view all the answers

What is load following in the context of electrical energy storage?

<p>Allowing baseload generation assets to follow dynamic demand profiles (B)</p> Signup and view all the answers

What does the term 'shaving off' the top of the demand curve refer to?

<p>'Reducing' the need for traditional assets operating only during peaking time (A)</p> Signup and view all the answers

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