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Huadian Qinghai Haixi Prefecture Togruoge Shared Energy Storage Power Station

Project Introduction:

In order to promote the integration of source, grid, load and storage in Qinghai power grid and the complementary development of multiple energy sources, effectively enhance the peak shaving and reserve capacity of the power system, promote the consumption of new energy, accelerate the development of energy storage technology and industry, achieve the integrated development of clean energy, and build a modern energy industry system that is "clean, low-carbon, safe and efficient", Huadian (Haixi) New Energy Co., Ltd. plans to construct a 270MW/1080MWh energy storage power station in Togruo Ge, Haixi Prefecture, Qinghai Province.

This energy storage project is a supporting project for Delingha's 1 million kilowatt photovoltaic storage and 3MW hydrogen production project, which achieves the function of peak shaving and valley filling for photovoltaic power generation and balances the power system's electricity consumption.

Xinjiang Kezhou Independent Energy Storage Power Station 1.2GWh Project

Project Introduction:

The project has a total investment of 1.2 billion yuan and is currently the largest grid type independent electrochemical energy storage power station in China. The total capacity of the project is 300MW/1200MWh.

Huaneng Xinjiang Wushi New Energy Distribution and Storage Project

Project Introduction:

The Huaneng Xinjiang Wushi Energy Storage Project, with a first phase of 400MWh energy storage installed capacity and a second phase of 300MWh installed capacity, is a 700MW photovoltaic distribution and storage project. It undertakes the role of photovoltaic new energy consumption, improves photovoltaic utilization efficiency, and optimizes photovoltaic power quality. Capable of one-time frequency regulation, connected to grid AGC, accepting grid dispatch frequency regulation, peak shaving and other controls.

Project features:

• The EMS system collects real-time information from 70 PCS and 70 BMS, as well as air conditioning and temperature and humidity status, enabling comprehensive and accurate control of the overall information of the energy storage power station.
• The network architecture adopts a four network architecture, with the information network and control network as the primary and backup networks, providing stable and secure data transmission channels.
• By using time-series and real-time databases, it is possible to collect and store nearly 3 million points of big data in seconds.
• Adopting standard power system communication protocols, it has good versatility and scalability, and can efficiently cooperate with power grid dispatching.

Ningde Xiapu Station Type Energy Storage Power Station

Project Introduction:

The Ningde Xiapu Energy Storage Power Station (Phase I, 100MW/200MWh) was connected to the grid in November 2022 and was the largest single station electrochemical energy storage power station in China at that time.

Project features:

• The zoning trial operation plan for energy storage power stations supports different time-sharing zones to participate in system frequency regulation, peak shaving, or joint operation with new energy stations, effectively improving the application efficiency of energy storage power stations and meeting the different application needs of new power systems in multiple scenarios
• According to standards, 15 grid connected testing tests have been completed for the electrochemical energy storage system, including voltage adaptability, frequency adaptability, harmonic adaptability, charge and discharge efficiency testing, and high and low penetration capacity testing

Jinan Huangtai Power Plant Energy Storage Station

Project Introduction:

The 100MW/200MWh independent energy storage power station of Huaneng Jinan Huangtai Power Plant achieved full capacity grid connection in December 2021, marking the official operation of the world's first 100MW level decentralized control energy storage power station.

This project adopts 1500V level decentralized control battery energy storage technology, which independently and finely manages each battery cluster through modular energy storage inverters. It fundamentally solves the pain points of parallel mismatch and circulating current internal friction that are prone to occur in the actual operation of battery clusters, achieving "precise control" and greatly improving the actual availability of battery energy storage systems.

Huaneng Laiwu Grid Type Energy Storage Power Station

System Introduction:

The Huaneng Shandong Laiwu 200MWh project is the world's first 100 megawatt level decentralized control grid type independent energy storage power station. After the project is put into operation, it will be included in the unified dispatch management, mainly participating in the province's power auxiliary, grid peak shaving, energy storage capacity leasing and other services, providing support for ensuring the stable operation of the power grid, improving the comprehensive utilization rate of new energy resources, and building a new type of power system.

System features:

It has advantages such as strong system inertia, voltage and frequency support capabilities. By finely and intelligently managing the energy of the energy storage system battery, it can smooth out fluctuations in new energy generation, improve grid regulation capabilities, and effectively respond to problems such as large peak valley differences and rapid changes in grid loads.

Industrial and Commercial Energy Storage EMS System

System Introduction:

The policy driven increase in the price difference between peak and valley electricity prices, as well as the demand for demand control in industrial parks, has driven the gradual development of virtual power plants and the development of industrial and commercial energy storage. This system provides peak valley mode, demand control mode, demand side response mode, and virtual power plant control mode based on market demand, effectively addressing the energy storage needs of park application scenarios.

Strategic features:

• Basic allocation: based on PCS working status; The SOC, charging capacity, discharging capacity, battery voltage, fault history and other information of BMS are used to allocate power according to the characteristics of lithium battery charging and discharging (non-uniform mode)
• Demand side response: On the basis of basic allocation, execute the demand instructions issued by the demand side
• Peak valley mode: Based on basic allocation, peak valley arbitrage is achieved according to the difference in peak valley electricity prices
• Demand management: Based on basic allocation, implement established demand control for advanced functions of peak valley mode. Demand control is divided into planned demand and free demand modes

Integrated Energy Platform

System Introduction:

Build a comprehensive energy platform with energy storage as the main body, and collect, forward and summarize the operation data of scattered energy storage power stations to the monitoring and management center using Internet/5G, data collection, system integration, edge computing, cloud computing and other technologies.

Complete comprehensive monitoring, analysis, and coordinated control of energy storage, photovoltaic power generation, electricity consumption, charging, fuel, water consumption, heating and cooling, environment, etc., to achieve safety, excellent functions, improve work efficiency, energy conservation and emission reduction, thereby reducing costs, increasing social benefits, and corporate benefits.

Photovoltaic Power Station Centralized Control Platform

System Introduction:

The operation and maintenance platform of photovoltaic power station combines Internet, Internet of Things, cloud computing and other technologies with traditional power operation and maintenance to realize intelligent operation and maintenance of photovoltaic power station. Through the operation and maintenance platform, it is possible to comprehensively grasp the real-time operation and power generation information of all photovoltaic power plants under its umbrella. The operation and maintenance personnel can also be dispatched in real time through the mobile APP, which can quickly identify faults and handle them in a timely manner, improving the work efficiency of the enterprise.

Huaneng Dandong Photovoltaic Power Station Integrated Monitoring System

System Introduction:

The photovoltaic power station monitoring system consists of independent subsystems such as photovoltaic power generation monitoring system, substation monitoring system, distribution monitoring system, security monitoring system, dispatch remote control system, AGC/AVC control system, optical power prediction system, environmental monitoring system, power quality monitoring system, and security substation system.

Huaneng Shantou Photovoltaic Power Station Baoxinzi Station

System Introduction:

The software functions of the Baoxin sub station platform include calling and querying protection parameters and values, switching between fixed value area codes, downloading fixed values, real-time monitoring of analog, status, and electrical measurement data, monitoring of device communication status, downloading of waveform files, and display of waveform curves.

Huaneng International Wind Power Remote Control System

System Introduction:

The wind power remote control system integrates the monitoring systems of different equipment manufacturers within the wind farm, builds a unified data monitoring and control platform, and constructs a unified massive real-time wind turbine data monitoring platform. It centrally monitors and controls the information of different types of wind turbines in the wind farm across manufacturers to achieve functions such as data collection, equipment control, measurement, parameter adjustment, accident alarm, prediction, etc. It also provides data interface support for coordinated operation with the higher-level control center, greatly reducing on-site duty personnel and improving the level of intensive management.

Tianjin Intelligent Distribution Operation and Maintenance Platform

System Introduction:

The intelligent distribution operation and maintenance platform has complete data collection and monitoring functions, which can fully display the real-time operating conditions of the power grid in the form of graphics, reports, etc. When a power grid accident occurs, the system can automatically sound an alarm, reminding dispatch and operation personnel to handle it in a timely manner, and can send the alarm information to relevant personnel through SMS, WeChat, and other means. The collected power grid operation data can be automatically stored for several years. The system has big data analysis capabilities and can submit power equipment condition reports and energy consumption analysis reports to users based on historical data, providing guidance for operation, maintenance, and energy conservation and emission reduction.

Wide Area Control System (WAMS)

System Introduction:

The centralized control system has complete data collection and monitoring functions, and can fully display the real-time operating conditions of the power grid in the form of graphics, reports, etc. When a power grid accident occurs, the system can automatically sound an alarm, reminding dispatch and operation personnel to handle it in a timely manner, and can send the alarm information to relevant personnel through SMS, WeChat, and other means. The collected power grid operation data can be automatically stored for several years. The system has big data analysis capabilities and can submit power equipment condition reports and energy consumption analysis reports to users based on historical data, providing guidance for operation, maintenance, and energy conservation and emission reduction.

Weifang Small Current Grounding Line Selection Fault Diagnosis Platform

System Introduction:

This platform integrates functions such as fault recording query, fault remote signal monitoring, system event recording, device setting, manual recording, and waveform curve display, making it easy for users to quickly, efficiently, and correctly analyze grounding faults.

Xi'an Xianyang Airport Elevator Monitoring and Management System

System Introduction:

This system is a remote safety information monitoring and management product for elevators based on Internet of Things technology. By collecting the operation status, faults, and maintenance status of the elevator through independent sensors, and uploading them in real-time to the elevator operation management platform via wireless/broadband networks, the elevator can achieve all-weather operation monitoring, fault information recording, active alarm and maintenance management.

Evaluation of New Energy for Wind Farm:

The functions of the new energy evaluation system include two aspects: intelligent evaluation analysis and data mining analysis. Among them, intelligent evaluation analysis is divided into the following nine aspects:

• Comprehensive evaluation analysis
• Frequency crossing evaluation analysis
• Deviation evaluation and analysis of grid connection points
• Voltage ride through evaluation analysis
• Dynamic reactive power compensation evaluation analysis
• Evaluation and analysis of active control
• Evaluation and analysis of internet related indicators
• Safety operation evaluation analysis
• Evaluation and Analysis of Load Exceeding Limits

Zibo Dongyue Electric Power Operation Ticket

System Introduction:

The intelligent operation ticket system adopts network topology and operation simulation technology to establish a network model of the actual power system; By adopting the integrated technology of graphics and tickets, practical functions such as intelligent generation, automatic simulation, automatic topology coloring, automatic safety verification, and full process management of operation tickets can be achieved.

Real-time 3D Display System

System Introduction:

This system can easily establish 3D real scenes in the fields of power transmission and transformation, distribution network, wind power, photovoltaics, energy storage, electric vehicles, etc., and can associate the 3D model with the real-time operation status of the power grid, displaying real-time changes in various data in various forms such as indicator lights or numbers. When the pre-set conditions are reached, alarm prompts can be given by changing the color, shape, position, etc. of the 3D model.

Tianjin Fengshang Central Air Conditioning Optimization Control System

System Introduction:

The smart air conditioning energy system consists of an energy monitoring platform, data analysis model, energy-saving operation instructions, and equipment inspection center. It is the center for information collection, energy efficiency analysis and processing, energy-saving operation instructions, and equipment alarm transmission of the entire building's energy.

Dongyue Automotive Energy Management System

System Introduction:

The energy management system is an integrated data acquisition and monitoring system solution based on our company's core software product of smart energy system, real-time monitoring software SCADA, and open relational database SQL Server, which integrates on-site communication technology, database technology, web technology, SCADA/HMI technology, C/S and B/S technology, etc.

The overall goal of the energy management system is to achieve automatic detection of energy media such as electricity, natural gas, and tap water, and establish a global energy management system to achieve safety, excellent functions, improve work efficiency, reduce energy consumption, and ultimately achieve the goal of reducing product costs.

Shanyuan Technology Power Dispatching System

System Introduction:

The power dispatch system adopts a distributed structure based on redundant dual networks, and the hardware and software support platforms follow international open standards and specifications while complying with distributed requirements. The application development is based on an object-oriented application development system, and the support platforms for various applications such as SCADA should be designed in an integrated manner.

EMS System For Energy Storage And Frequency Regulation Power Station In Thermal Power Plants

Project Introduction:

Shanxi XX Power Plant has 2 × 300MW generator sets, and a 9MW/4.5MWh grid level energy storage system facility based on lithium battery technology is installed and constructed on the generator set side. The system cooperates with thermal power units to carry out grid AGC frequency regulation business. When the system is frequency regulated, it outputs 9MW/2C quickly and accurately, and the AGC regulation is stable. It can greatly improve the AGC frequency regulation level of thermal power plant generator sets. The power plant can obtain profits by charging electricity fees to the energy storage system and sharing AGC compensation.

Frequency modulation control process:

• The dispatch center sends AGC instructions to the power plant remote control device RTU
• RTU forwards AGC instructions to the energy storage control unit and power plant DCS
• The energy storage main control unit coordinates output with the unit based on AGC instructions and unit operating status information

Centralized Monitoring and Management System for Wind Farm

System Introduction:

The centralized monitoring and management system for wind farms integrates the monitoring systems of different manufacturers within the wind farm, and constructs a unified real-time wind turbine data monitoring system to centrally monitor the information of different types of wind turbines in the wind farm, in order to achieve functions such as data collection, equipment control, measurement, parameter adjustment, accident alarm, prediction, etc. It also provides data interface support for coordinated operation with the higher-level control center, improving the level of intensive management.

Energy Storage Power Station Operation And Inspection Platform

System Introduction:

The operation and inspection platform of energy storage power stations can process massive operating data and status data of energy storage inverters and batteries in energy storage power stations, provide in-depth analysis of key operating status of equipment, realize early detection of potential faults/hidden dangers of equipment, and achieve active warning of equipment faults. At the same time, combined with equipment fault graph library and expert remote diagnosis, it provides equipment warning/alarm message analysis, improves the efficiency and accuracy of fault diagnosis, and realizes maintenance assistance decision-making

In the energy storage power station operation and maintenance platform software, operation and maintenance work orders can be generated based on the above information, combined with the positioning and navigation functions of the intelligent operation and maintenance terminal, to quickly and accurately find the faulty equipment, and to prevent misoperation through scanning confirmation. During the maintenance process, information such as operation and inspection personnel, photos of faulty equipment, reasons for equipment failures, operation and inspection records, and results can be uploaded to the operation and inspection system through the operation and inspection terminal, which can further enrich the equipment fault map library and facilitate future operation and inspection personnel to query maintenance records

System functions:

• Real time monitoring
• Battery performance analysis
• Preventive maintenance of equipment
• Fault proactive warning function
• Fault expert diagnosis function
• Intelligent maintenance assistance
• Basic data management