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Conservation of AC Power

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The principle of power preservation is applicable to both ac and dc circuits. This principle, when applied to AC power, asserts that the complex, real, and reactive powers produced by the source are equal to the total complex, real, and reactive powers absorbed by the loads. When two load impedances are connected in parallel to an ac source V, the complex power provided by the source can be calculated using the relation

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Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...

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Related Experiment Video

Updated: Aug 2, 2025

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications

Published on: December 15, 2023

Privacy Preservation in Smart Meters: Current Status, Challenges and Future Directions.

Jonathan Kua¹, Mohammad Belayet Hossain¹, Iynkaran Natgunanathan¹

¹School of Information Technology, Deakin University, Geelong, VIC 3220, Australia.

Sensors (Basel, Switzerland)

|April 13, 2023

Summary

This summary is machine-generated.

Smart Meters (SMs) collect energy data, but can expose sensitive consumer information. This survey reviews privacy-preserving techniques for SMs to ensure secure Smart Grid (SG) deployment.

Keywords:

adversaries privacy preservation renewable energy smart grids smart meters

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Area of Science:

Computer Science
Electrical Engineering
Cybersecurity

Background:

Smart Grids (SGs) leverage digital technologies for enhanced electricity networks.
Smart Meters (SMs) are crucial for SG implementation, enabling real-time energy data but posing privacy risks.
Privacy preservation in SMs is essential for the successful adoption of SGs.

Purpose of the Study:

To provide a comprehensive survey of Smart Meter (SM) privacy-preserving techniques.
To categorize existing techniques based on attack types and objectives.
To offer a unique perspective on privacy preservation across diverse SM literature.

Main Methods:

Systematic literature review of SM privacy-preserving techniques published over the last decade.
Categorization of techniques according to threat models and privacy goals.
Analysis of the state-of-the-art in SM privacy preservation.

Main Results:

Identified and categorized a wide range of privacy-preserving techniques for Smart Meters.
Highlighted the critical role of privacy in the context of Smart Grid development.
Provided a structured overview of methods addressing privacy vulnerabilities in energy consumption data.

Conclusions:

Privacy preservation is a key challenge for widespread Smart Grid adoption.
Future research should focus on developing robust and adaptable privacy solutions for Smart Meters.
Addressing privacy concerns is paramount for consumer trust and the evolution of smart energy systems.