IEC-IEC白皮书：未来分布式电力的稳定电网运行（英文）-2019.4-82页_2mb

Summary of "Stable grid operations in a future of distributed electric power"

Core Content

This white paper explores the transformation of the electricity utility industry due to the rise of disruptive resources—devices and systems that are increasingly connected to the grid but are owned and operated by customers, often behind the meter. These resources are challenging traditional grid operations due to limited visibility, limited control, limited predictability, and limited coordination, which have significant implications for grid stability.

The paper outlines the five global drivers of this transformation: decarbonization, decentralization, deregulation, democratization, and digitalization. These factors are reshaping the energy landscape, leading to a more decentralized, customer-driven, and technologically advanced electricity grid.

Main Points

• Disruptive Resources: These include technologies like distributed energy resources (DERs), demand-side resources (DSRs), renewable energy sources (RESs), and energy storage systems, which are often invisible to grid operators and difficult to manage due to their decentralized and variable nature.

• Challenges:

  • Limited visibility: Grid operators cannot directly monitor these resources.
  • Limited control: These resources are often not under the direct control of grid operators.
  • Limited predictability: Their generation and consumption levels are unpredictable.
  • Limited coordination: They are deployed without central planning, leading to potential instability.

• Opportunities: These resources can provide grid services such as frequency management, voltage support, and reliability through demand-side response (DR). They can also enable cleaner, cheaper, and more reliable power in the future.

Market-Based Solutions

• Market unbundling: Separation of grid operations into distinct functions to improve transparency and efficiency.
• Resource scheduling process: Improved planning and scheduling to ensure sufficient supply of resources.
• Fair compensation concepts: Ensuring that all participants in the grid receive appropriate financial incentives.
• Capacity markets: Financial mechanisms to secure generation capacity for long-term planning.
• Economic signals: Using pricing mechanisms to shape demand and manage load.

Technology Solutions

• Big data analytics: For analyzing and predicting grid behavior.
• Artificial intelligence (AI): To optimize grid operations and manage demand-side resources.
• Edge computing: Processing data closer to the source for faster and more efficient decision-making.
• 5G and LPWAN: Enabling faster and more reliable communication for grid operations.
• Time-sensitive networks (TSN): Critical for real-time grid control and monitoring.
• Internet of Things (IoT): Connecting devices to provide better visibility and control.
• Energy management systems (EMS): Tools to monitor, control, and optimize grid performance.

Role of Standards

• Standard communication protocols: Essential for interoperability and data exchange.
• Documenting best practices: Ensuring that effective methods are transferable across different regions and systems.
• Need for updated standards: To address the gaps and overlaps in managing the new grid environment.

Recommendations

For the IEC Community

• Promote common language to ensure clarity and consistency in terminology.
• Consider procedural standards to support the integration of new technologies.
• Study and document best practices for grid operations.
• Improve intra-IEC coordination to align efforts across different working groups.
• Improve inter-SDO coordination to ensure compatibility between different standards development organizations.

For Industry Leaders

• Improve coordination among stakeholders.
• Improve technology adoption to leverage new capabilities.
• Encourage communication and education to build understanding and support for new systems.

For Policymakers

• Encourage communication and education to foster public and industry understanding.
• Establish equitable goals to ensure fair access and benefits for all participants.
• Support cross-industry collaboration and commercialization to accelerate innovation and deployment.

Key Takeaways

• The growth of demand-side resources will continue to shape the future of the electricity grid.
• Grid operators must adapt to new operational techniques and market designs.
• Improved regulations and effective standards are crucial for enabling stable grid operations.
• New technologies will be essential in addressing the limitations of visibility, control, predictability, and coordination.

Conclusion

The white paper emphasizes that while disruptive resources present challenges, they also offer significant opportunities for a more sustainable, efficient, and reliable electricity grid. The IEC, industry leaders, and policymakers all have critical roles to play in shaping this future through common language, standards development, market design, and technological innovation.