ResearchResearch CenterEnergy Digitalization Research Center

Research Center

Affiliated Institutes

01

Institute of Power and Energy System Digital Twin

The Institute mainly focuses on energy Internet simulation technology, and carries out research work in the fields of large-scale grid electromagnetic transient simulation, power system hardware-in-the-loop simulation, multi-energy complementary coupling simulation, and energy Internet cloud operation & maintenance, etc. The Institute provides the digital twinning solutions supporting the modeling, simulation, planning, operation & maintenance of energy Internet, through building a "digital twinning" model with real-time mapping with the actual energy system, and combining the data feedback of the ubiquitous device sensor IoT, and empowers relevant industries with strong analysis and auxiliary decision capabilities.

02

Equipment Digitalization and Intelligentization Technology Institute

The Institute focuses on the research of status multi-dimension holographic monitoring and breakdown intelligent diagnosing technology of key large-scale energy equipment, be committed to the development of online monitoring and intelligent diagnosing instruments for high-end power equipment, and provides professional and comprehensive power equipment detection & diagnosis services for power customers.

03

Energy Big Data Institute

Relying on the core technology and strength of the School of Software of Tsinghua University and the National Engineering Research Center for Big Data Software of Tsinghua University, the Institute focuses on the major needs of energy and equipment manufacturing industry in the field of data, be engaged in the transformation & application of industry-university-research technological achievements, gives play to the value of the energy/industry big data platform, promotes the quality increasing & efficiency enhancing and innovative development of the energy and equipment manufacturing industry, accelerates the deep integration of big data technology and the energy/equipment manufacturing industry, and helps enterprises reduce costs, enhance efficiency, transform and upgrade.

04

Digital Power Planning & Design Institute

The core members of the Institute graduate from Tsinghua University and other well-known universities at home and abroad, have working experiences in various management departments and business institutions of State Grid Corporation of China, and enjoy rich practical experiences in the fields of strategic research, planning & design, technical tackling and construction & operation, etc. The Institute focuses on relevant technologies of "carbon peaking and carbon neutrality", "new power system" and digital transformation" in the power field, and is committed to promoting the upgrading of power grid to energy Internet, and providing all-round solutions for different market entities.

Core technology/products

Cloud simulation and digital twinning technology for high-performance energy systems

• Having developed CloudPSS, a high-performance electromagnetic transient cloud simulation platform with fully independent intellectual property rights. The platform is compatible with traditional electromagnetic transient simulation software models and examples, supports a variety of advanced electromagnetic transient modeling & simulation methods, achieves a leap in computing efficiency through parallel accelerated computing methods, and completes a breakthrough in such technical products in China out of nothing.

• Having developed an integrated energy system simulation kernel with fully independent intellectual property rights. The simulation kernel assesses operation status of the integrated energy system by using the simulation results according to the user input deterministic boundary conditions through the multi-energy flow coupling simulation calculation method, and completes scheme selection and planning & design.

• Having been the first to create the cloud simulation platform framework and application modes of energy power system, proposed the virtualization construction and optimal dispatching method of simulation computing resources, realized safe isolation and flexible dispatching, be compatible with advanced computing hardware, provided the ultimate simulation efficiency, and formed an open, shared and flexible application ecosystem.

R&D product: CloudPSS EMTLab electromagnetic transient simulation platform

It's the new generation of electromagnetic transient simulation tool with the unified model supporting many functions such as power flow calculation, electromagnetic transient simulation and hardware-in-the-loop simulation calculation, and providing fine transient modeling and simulation functions for large-scale, fine-grained complex energy power systems

R&D product: CloudPSS IESLab integrated energy system simulation planning platform

The platform integrates various energy subsystems such as thermal energy, electric energy and gas, realizes gradient utilization of energy, solves the simulation and optimal planning design problems of integrated energy system with various energy forms, and improves the safety, economy and environmental friendliness of the integrated energy system

R&D product: CloudPSS XStudio digital twinning workshop

The workshop is composed of SimStudio, FuncStudio and AppStudio, adopts the design concept of low code and fast application construction, has the characteristics of cross-platform and easy deployment, which can greatly reduce the development access of digital twinning applications and accelerate the development of digital twinning applications towards massive scenarios

R&D product: CloudPSS DSLab source-grid-load-storage collaborative optimization simulation platform

The platform provides a full range of functional modules supports for the new power distribution system such as load prediction, power flow calculation, energy storage planning, reactive power optimization, short-circuit current calculation, reliability analysis, static safety analysis and technical & economic analysis, and also gives supports to the planning, design, operation and maintenance for main and auxiliary power systems

*R&D team: Institute of Power and Energy System Digital Twin

Online monitoring and intelligent diagnosing technology of power equipment

• Towards the electrical insulation, mechanical vibration voiceprint and thermal field distribution of power equipment, adopts non-contact intelligent sensors to conduct real-time monitoring of equipment insulation and mechanical status, and makes comprehensive diagnosis through expert system and self-learning system

• Towards the overvoltage and overcurrent of the main distribution network, adopts the sensor based on broadband electromagnetic coupling for real-time monitoring, and realizes the inversion of equipment breakdown process and accurate breakdown location

• Improve equipment intelligent control ability and operation reliability, and reduce operation risks through digitization of power equipment framework and in-depth data exploration of the whole process

R&D product: WBVM-102 type GIL (cable) equipment broadband voltage online monitoring and traveling wave positioning system

Having increased the breakdown positioning accuracy of long-distance GIL and cable from hundreds of meters to 1 meter, and has been successfully applied to 1100kV Suzhou-Nantong integrated pipe gallery project and Nanyang-Wuhan UHV power transformation projects

*R&D team: Energy Equipment Digitalization and Intelligentization Technology Institute

Industrial big data technology

• Integrate data planning, collection, preprocessing, storage, analysis & exploration, visualization and intelligent control

• Promote product innovation of manufacturing enterprises and improve management level & production efficiency

R&D product: "Tsinghua Shuwei" industrial big data platform

Support the highly efficient management and rapid value exploration of massive machine data, with the support for enterprises in the whole process from data collection to data realization

*R&D team: Energy Big Data Institute

Active distribution network planning technology based on digital twinning

• Be the first to propose the active distribution network planning principle and planning process based on digital twinning and the assessment index system for distribution network planning scheme

• Change the extensive planning method of planned grid capacity based on load prediction, and realize the accurate planning of distributed power source distribution network with high penetration

• Improve power supply reliability and renewable energy consumption capacity of local distribution network, and achieve the optimal investment economy

R&D product: optimization and control software for multi-level power flexible & controllable load resources

Having developed the optimization and control software for multi-level power flexible & controllable load resources in the aspect of flexible load, which can optimize and control the power grid flexible load resources, so as to make the resources observable, measurable and controllable

*R&D team: Digitalization Power Planning and Design Institute

Application Cases

• A new energy system with new energy and high proportion of power electronics devices with multi-time scale, which improves the simulation accuracy and

  · Research the planning and operation optimization technology for integrated energy system under the goals of "carbon peaking & carbon neutrality"

  · Research the digital twinning model construction technology and auxiliary decision technology for energy power systems

  · Develop an integrated development platform for digital twinning applications for energy power systems, and contribute to building digital twinning applications for energy power systems

• Build enterprise & data system key technologies based on business process model

  · Build key methods and technologies for data asset management system, and realize the comprehensive integration method of multi-source heterogeneous data

  · Develop methods and tools for data classification and grading for energy enterprises, and form an overall technical scheme of data security management for enterprises

  · Carry out the design and optimization of multi-modal database for energy IoT, and conduct enterprise experiment & test and demonstration applications

• Online and offline digital simulation work of energy Internet demonstration projects based on new power system

  · Select typical demonstration areas and use digital twinning technology to make digital modeling upon the power grid and equipment in the demonstration areas

  · Optimize the configuration capacity and control strategy of distributed power source, energy storage and flexible & adjustable load

  · Improve the proportion of new energy consumption and energy utilization efficiency, realize energy Internet planning based on digital twinning technology, and verify the planning methods of power grid and its adjustable resources under the conditions of new power systems