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Welcome to the Application of Big Data in Analyzing Electric Meter Data MCQs Page

Dive deep into the fascinating world of Application of Big Data in Analyzing Electric Meter Data with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Application of Big Data in Analyzing Electric Meter Data, a crucial aspect of Big Data Computing. In this section, you will encounter a diverse range of MCQs that cover various aspects of Application of Big Data in Analyzing Electric Meter Data, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Big Data Computing.

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Application of Big Data in Analyzing Electric Meter Data MCQs | Page 7 of 12

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Q61.
What does an intelligent demand-side application do in the context of wind power with stored energy?

a.

It short-circuits the wind generator output.

b.

It increases the rotational speed of the rotor.

c.

It uses the additional energy quantities for various purposes.

d.

It maintains the maximum power output.

Discuss
Answer: (c).It uses the additional energy quantities for various purposes. Explanation:An intelligent demand-side application uses the additional energy quantities for various purposes, such as heating and cooling, in the context of wind power with stored energy.
Q62.
How does a wind power plant contribute to data volumes and data traffic?

a.

By decreasing data sampling frequency

b.

By releasing power from batteries

c.

By using the storage mechanism

d.

By originating data volumes depending on data sampling

Discuss
Answer: (d).By originating data volumes depending on data sampling Explanation:A wind power plant contributes to data volumes and data traffic by originating data volumes depending on data sampling, similar to PV plants.
Q63.
What is the primary purpose of electricity metering?

a.

To measure the amount of electricity consumed in real time

b.

To measure the amount of electricity produced or consumed during a certain period

c.

To supply information about the power system in the distant past

d.

To digitize analog voltages and currents

Discuss
Answer: (b).To measure the amount of electricity produced or consumed during a certain period Explanation:Electricity metering measures the amount of electric energy produced or consumed during a certain period of time, supplying information about the recent behavior of the power system.
Q64.
How does a digital electricity meter determine energy quantities (kW h)?

a.

By digitizing analog voltages and currents

b.

By finding products of instantaneous powers

c.

By measuring the amount of real-time consumption

d.

By integrating time dimensions

Discuss
Answer: (b).By finding products of instantaneous powers Explanation:A digital electricity meter determines energy quantities (kW h) by finding products of instantaneous powers.
Q65.
What is the role of Automatic Meter Reading and Management (AMR/AMM) in the context of smart grids?

a.

It replaces estimated or forecasted consumption values.

b.

It collects and exchanges digital data between metering devices and other grid stakeholders.

c.

It measures real-time energy consumption.

d.

It operates the power system's peripheral devices.

Discuss
Answer: (b).It collects and exchanges digital data between metering devices and other grid stakeholders. Explanation:AMR/AMM is a process that automatically collects and exchanges digital data between metering devices and other grid stakeholders.
Q66.
How does Non-intrusive Load Monitoring (NILM) work?

a.

It measures the real-time consumption of each appliance.

b.

It models appliances as finite state machines and detects behavioral patterns.

c.

It attaches individual monitors to every appliance.

d.

It digitizes analog voltages and currents.

Discuss
Answer: (b).It models appliances as finite state machines and detects behavioral patterns. Explanation:NILM models electric appliances as finite state machines and detects their behavioral patterns to determine energy consumption.
Q67.
What is the benefit of using NILM in energy monitoring?

a.

It provides accurate real-time consumption data.

b.

It ensures privacy by not collecting data on appliance usage.

c.

It eliminates the need for individual appliance monitors.

d.

It operates in legacy grids.

Discuss
Answer: (c).It eliminates the need for individual appliance monitors. Explanation:NILM is considered a cheap alternative to intelligent plugs and individual monitors attached to each appliance, eliminating the need for such monitors.
Q68.
What is the primary purpose of phasor measurements in the context of the electrical grid?

a.

To assess the cost-effectiveness of power generation

b.

To measure real-time energy consumption

c.

To obtain representations of the magnitude and phase angle of electrical waves

d.

To predict future power outages

Discuss
Answer: (c).To obtain representations of the magnitude and phase angle of electrical waves Explanation:Phasor measurements obtain representations of the magnitude and phase angle of electrical waves, helping assess the stability of the electricity grid.
Q69.
How does the use of phasors contribute to increased power quality in the electrical grid?

a.

By preventing power outages

b.

By ensuring constant power production

c.

By synchronizing power generation and consumption

d.

By providing real-time information about power flows

Discuss
Answer: (d).By providing real-time information about power flows Explanation:Phasor measurements provide real-time information about power flows, which helps improve power quality and reliability.
Q70.
What equipment is required for the phasor measurement process, and why is it considered expensive?

a.

Remote nodes and electrical meters

b.

PMU/PDC units, which are costly

c.

Grid operators and stakeholders

d.

Common synchronized time sources

Discuss
Answer: (b).PMU/PDC units, which are costly Explanation:The equipment required for phasor measurement includes PMU/PDC units, which are considered rather expensive.
Page 7 of 12

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