Application of Acrel-2000 Power Monitoring System in Guangzhou Wanda Plaza Project
Acrel-2000 power monitoring system, as the platform subsystem of Guangzhou Wanda Huiyun Intelligent Management System, uploads the operational data to Huiyun platform while carrying the task of power distribution monitoring to realize the system resource integration. Pressure Gauge,Oil Pressure Gauge,Stainless Steel Pressure Gauge,Oil Filled Pressure Gauge Ningbo Wenhan Fluid Equipments Co., Ltd. , https://www.wenhanvalves.com
Yang Junjun
Ankerui Electric Co., Ltd. Shanghai Jiading
0 Project Overview
Guangzhou Wanda Plaza Power Monitoring System is designed according to the requirements of the variable transmission and distribution monitoring subsystem in the “Wanda Plaza Intelligent Cloud Management System Design Standard (2015 Edition)†to transform the project's power distribution system.
According to the “One-click “Reform Evaluation Report of Guangzhou Baiyun Wandaâ€, the scope of monitoring of this project is as follows: 8 sets of MPR-2013 comprehensive protection of Phase I high-voltage power distribution room in Zone B, 2 sets of MPR-2015 comprehensive insurance, 2 sets of RCU- 202A DC screen controller; supermarket MPR-2013 comprehensive protection, 2 MPR-2026 comprehensive protection, 1 RCU-201 DC screen controller; 1 MPR-2013 comprehensive protection for property high-voltage power distribution room, 6 MPR-2026 comprehensive protection, 1 RCU-202A DC screen controller; 1 MPR-2013 comprehensive protection for department store high voltage distribution room, 4 MPR-2026 comprehensive protection, 1 RCU-202A DC screen controller; diesel Generator room 3 MRS16 generator controller; property #1-#6 special change 6 sets LD-B10-10FP (B) transformer temperature controller, 6 sets WHD90R-11/CD temperature and humidity controller; supermarket #1-# 2 specialization 2 sets of LD-B10-10FP (B) transformer temperature controller, 2 sets of WHD90R-11/CD temperature and humidity controller; department store #1-#4 special change 4 sets of LD-B10-10FP (B) transformer temperature Controller, 4 WHD90R-11/CD temperature and humidity controllers.
1 User requirements
1.1 General provisions
1) The monitoring scope of the power monitoring system includes: high-voltage input and output line operation parameter monitoring, low-voltage power distribution operation parameter monitoring, standby voltage operation monitoring, and variable-function motor room operation parameter monitoring.
2) The power monitoring system should meet the requirements of convenient and practical business management. Including: ensuring that all power distribution equipment monitoring systems are integrated on one platform; adopting a unified operation interface; providing clear management information. And provide remote access.
3) The power monitoring system should meet the needs of business management security management. Including: centralized monitoring of all alarm information, centralized display of the operating status of important equipment; enabling managers to remotely check through the integrated platform to monitor the status of mechanical and electrical "target=_blank> mechanical and electrical equipment.
1.2 functional requirements
1.2.1 Monitoring function
1) The operating parameters of the high-voltage input and output lines should be monitored, including current, voltage, active power, reactive power, and apparent power.
2) The DC screen operating parameters should be monitored: output voltage, cumulative charge and discharge times, charging voltage, charge and discharge status, and battery temperature.
3) The operating parameters of the transformer should be monitored: the core coil temperature and the cooling fan start and stop status.
4) The air temperature in the environment where the transformer is located should be monitored.
5) Diesel generator incoming line operating parameters: generator terminal voltage, current, frequency, starting battery voltage, diesel engine cooling water temperature.
1.2.2 Fault alarm function
1) DC screen: The voltage is abnormal.
2) High voltage cabinet: high voltage inlet and outlet line overcurrent (load), low voltage, short circuit, grounding.
3) Transformer: transformer high temperature, ultra high temperature
4) Generator main: failure to start, unable to synchronize, short circuit; diesel generator working failure alarm, daily fuel tank oil level display and super high, ultra low alarm.
1.2.3 Recording function
1) The operating parameters and the technical parameters in the switch state that need to be monitored should be recorded for analysis and comparison.
2) The contents and time of occurrence of the above various fault alarms should be recorded.
1.3 Software and hardware requirements for power monitoring systems
The software and hardware standards of the power monitoring system shall comply with the requirements of the Wanda Plaza BA system design standard, and shall also meet the following requirements:
1.3.1 The hardware of the power monitoring system shall include at least one server. The network connection with the "Huiyun Intelligent Management System" control system is shown in Figure 1_1. .jpg)
1.3.2 The power monitoring system shall provide a human-computer interaction interface (shared with the energy management platform). The subsystem interface can be designed according to the interface design, so that the subsystem interface is consistent with the “Huiyun Intelligent Management System†centralized monitoring system interface; it can also be designed by itself to realize various monitoring, fault alarm and operation monitoring functions in the function design. .
1.3.3 The software of the power monitoring system shall have the database function to realize the various recording functions in the function design.
1.3.4 The software of the power monitoring system shall have the authority management function.
1.4 Data interaction requirements between power monitoring system and Huiyun platform
1.4.1 The power monitoring system shall use standard communication protocols and interfaces. The subsystem should open the layers of communication protocols for its devices. It is advisable to use a variable distribution equipment (unit) with its own monitoring function. It is required that each power distribution unit can automatically measure various information in the functional design.
1.4.2 The power monitoring system shall provide the data of the monitoring and recording function requirements in the functional design of the “Huiyun Intelligent Management System†centralized control system, including the electromechanical “target=_blank> mechanical and electrical equipment start-stop status, system operating parameters, Fault alarm parameters, energy consumption data parameters.
2 Design Principles Reference Standards
2.1 Design principles
1) Openness: This system will involve equipment technology of different manufacturers and the expansion requirements of the system. In the product technology selection of this project, avoid using proprietary technology, so that the system hardware and software platform is fully open. Sex.
2) Advancement: The software and hardware platform construction of the system, the design and development of the application system, and the product technology adopted by the system maintenance management all take into account the current development trend of the technology, and adopt relatively advanced and relatively mature market product technologies to meet the future of the system. Development needs.
3) High performance: The system design should be comprehensively analyzed from the perspectives of server processing capability, network bandwidth transmission capability, software system efficiency, etc., rationally design the structure, and make the system have sufficient processing capacity to adapt to a large amount of data processing and user access requirements. System service quality.
4) Security: The system attaches great importance to security issues. From the operating system layer, network layer, and application layer, there are corresponding measures to address the requirements of transmission security, system security and information security.
5) Reliability: The system should consider the system structure, network structure, technical measures, equipment selection and other aspects to ensure that there is no single fault node in the system to achieve 7X24 uninterrupted service.
6) Scalability: In this system, all network, server, storage, and application software are designed to follow the principle of extensibility to achieve expansion as demand evolves. The system adopts a modular structure, which has good compatibility and expandability, so that devices and systems of different manufacturers can be integrated into the same platform, and the system can be easily expanded according to user requirements in the future.
2.2. Reference standards
1) "Wanda Plaza Huiyun Intelligent Management System Design Standard (2015 Edition)"
2) ISO/IEC11801 "International Integrated Wiring Standards"
3) GB/50198 "Technical Specifications for Monitoring System Engineering"
4) GB50052-2009 "Design Specification for Power Supply and Distribution System"
5) GB50054-2011 "Low-voltage power distribution design specification"
6) DL/T 698.1-2009 "Part 1: General"
7) DL/T 698.2-2010 "Part 2: Technical Specifications for Master Stations"
8) DL/T 698.31-2010 "Section 3.1: Technical Specifications for Power Information Collection Terminals - General Requirements"
9) DL/T 698.35-2010 "Parts 3-5: Technical Specifications for Power Information Collection Terminals - Special Requirements for Low-Voltage Centralized Meter Reading Terminals"
10) DL/T 698.41-2010 "Part 4-1: Communication Protocol - Communication between the primary station and the power information collection terminal"
11) DL/T 698.42-2010 "Part 4-2: Communication Protocol - Concentrator Downlink Communication Protocol"
12) DL/T 698.41-2010 "Part 4-1: Communication Protocol - Communication between the primary station and the power information collection terminal"
13) DL/T 698.42-2010 "Part 4-2: Communication Protocol - Concentrator Downlink Communication Protocol"
3 solutions
Guangzhou Wanda Plaza power monitoring system is designed with layered and distributed structure, namely field device layer, network communication layer and station control management layer.
3.1 Field device layer
Field equipment layer instruments mainly include: comprehensive protection, DC screen controller, generator controller, transformer temperature controller, temperature and humidity controller.
3.2 Network communication layer
Communication medium: The instrument uses shielded twisted pair cable to access the serial port server through RS485 field bus. The serial port server converts the collected interval layer device information into Ethernet, accesses the power monitoring system host, and Ethernet uses optical fiber transmission.
3.3 Station management
The station management layer is for the management of the distribution network, which is directly facing the user. This layer is also the uppermost part of the system, mainly by power system software and necessary hardware equipment such as computers, printers, UPS, etc. The software part has a good human-computer interaction interface, and reads various kinds of data information collected by the front-end machine through the data transmission protocol, and automatically performs calculation and processing, and reflects the operation state of the scene by means of graphics, digital display, sound, etc., and Accept the operation instructions of the management personnel, send and detect the execution status of the operation in real time to ensure the normal operation of the power supply unit; the energy measurement management function is designed to conform to the user's report format, and the data in the report is strictly measured according to various standards. Users only need to find the print, which greatly facilitates the operation and improves the work efficiency. The system structure topology is as follows: .jpg)
4 system function
1) Data acquisition and display: The distribution of distribution lines is visually displayed in the form of a power distribution primary trunk diagram. At the same time, the operating parameters of each device collected in real time and the switching status of the distribution loop switch are displayed in real time. .jpg)
2) Data record: The above operational parameters to be monitored should be recorded for analysis and comparison. .jpg)
3) Alarm management: The system has telemetry alarm configuration function, and the alarm types include telemetry and remote signaling alarm. When the system alarms, the information voice prompt can be made, and the alarm screen is automatically popped up. Telemetry history alarm query: Ankerui Acrel-2000 power monitoring system can store remote signaling and telemetry alarm data, which is convenient for users to trace the system alarm events. .jpg)
4) User rights management: The system sets the user rights management function to ensure the safe and stable operation of the system. Unauthorized operation can be prevented by user rights management. You can define login names, passwords, and operation rights for users of different levels to provide reliable security for system operation and maintenance management.
5) Data forwarding function: The collected data is uploaded to Huiyun platform by MODBUS-TCP protocol.
5 Conclusion
With the increasing demand for intelligent management of user-side distribution and distribution, the application of power monitoring systems has become a development trend. The application of the Acrel-2000 power monitoring system introduced in the Wanda Plaza project in Guangzhou has realized the real-time monitoring of the Guangzhou Wanda Plaza transformer distribution system and the data sharing with the upper Huiyun platform. The system analyzes and processes the collected data, displays the running status and alarm status of each monitoring device in real time, and generates various reports, analysis curves, graphics, etc., which is convenient for the administrator to carry out equipment management and operation and maintenance. The system is safe, reliable and stable, and provides a scientific basis for the maintenance of power systems and equipment in the later period and the formulation of energy-saving renovation measures.
references
[1]. Ren Zhicheng Zhou Zhong. Principles and Application Guidelines of Power Electrical Measurement Digital Instrumentation [M]. Beijing. China Electric Power Press. 2007. 4
[2]. Zhou Zhong. Application of power meter in electric energy metering of large public buildings [J]. Modern Building Electric 2010. 6
About the author: Yang Junjun, female, undergraduate. Position: Now working for Ankerui Electric Co., Ltd., contact number, mobile phone, QQ
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn