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Related Concept Videos

Ethical Standards I01:25

Ethical Standards I

The American Nurses Association (ANA) created and implemented the first nationally accepted Code of Ethics for Nurses with Interpretive Statements. The Code of Ethics is a living document regularly updated by the ANA and establishes an ethical standard that is non-negotiable for nurses in all roles and settings.
The Code of Ethics provisions outline the nurse's duty to the patient, the healthcare team, the profession, and society. The Code's fundamental principles include advocacy,...
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
Zones of Protection01:16

Zones of Protection

In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
Secondary Distribution01:25

Secondary Distribution

Secondary distribution systems provide electrical energy at the utilization voltage levels from distribution transformers to customer meters. Typical secondary voltages in the United States include 120/240 V for residential use, 208Y/120 V for residential and commercial use, and 480Y/277 V for industrial and high-rise commercial use.
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
Power System Distribution01:25

Power System Distribution

Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
Guidelines and Strategies for Safe Computer Charting01:18

Guidelines and Strategies for Safe Computer Charting

The guidelines and strategies provided by the American Nurses Association (ANA) and the Canadian Nurses Association (CNA) offer essential principles for ensuring safe and secure computer charting systems in healthcare settings. Let's break down each recommendation:
Maintain Confidentiality and Security:

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Related Experiment Videos

Data security sharing method for smart grid data middle platform using combined keys in trusted controlled

Bo Jia1, Fei Ma2, Bo Zhang2

  • 1STATE GRID NINGXIA ELECTRIC POWER INFORMATION & COMMUNICATION COMPANY, Yinchuan, 750001, Ningxia Hui Autonomous Region, China. jiajichengf@163.com.

Scientific Reports
|June 30, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces a secure data sharing method for smart grid data hubs using blockchain and combined keys. It enhances data security and privacy by dynamically managing access permissions and employing robust encryption techniques.

Keywords:
Combined keyData middle platformEncryption/decryptionSecure data sharingSmart gridTrusted controlled environment

Related Experiment Videos

Area of Science:

  • Cybersecurity
  • Data Science
  • Computer Engineering

Background:

  • Smart grid data hubs face complex security challenges during data sharing.
  • These include external attacks, internal unauthorized access, and weak transmission encryption.
  • Existing security mechanisms are insufficient for these multifaceted threats.

Purpose of the Study:

  • To investigate a secure data sharing method for smart grid data hubs.
  • To address privacy and commercial secret protection within grid data.
  • To develop a robust security framework for smart grid data middle platforms.

Main Methods:

  • A blockchain-based secure sharing model involving five entities was constructed.
  • A trustworthiness calculation model dynamically allocates user access permissions.
  • A combined key generation method integrates with AES-128 symmetric encryption.

Main Results:

  • The trusted computing model effectively intercepts unauthorized access without impacting operations.
  • The system maintains stable performance with increasing concurrent users.
  • Encrypted data shows uniform character frequency, enhancing resistance to analysis.

Conclusions:

  • The proposed method achieves secure data sharing in smart grid data hubs.
  • Combined keys and AES-128 encryption safeguard data confidentiality and availability.
  • The approach enhances the overall security posture of smart grid data platforms.