Acrel-5000 power meter Energy Management System

Customer needs

1, Establishment of indicator system for energy consumption monitoring and management system

Complete the construction of the energy monitoring index system of the building energy management system, and appropriately consider the management and control needs of the future construction. To realize the compilation, inquiry and display of the indicator system such as the total electricity, water and gas management of the project, the quota indicators and the energy management indicators of each energy sector

2, Commissioning of measuring equipment

Complete the selection, configuration and commissioning of the project energy metering equipment, and realize the statistics and analysis of various energy data within the project.

3, system communication network construction

Complete communication between all metering instruments, instrument and network communication layer equipment, communication layer and system management layer, and realize data communication function of end meter and energy consumption monitoring platform software system.

The construction of energy consumption monitoring system is based on high-speed Ethernet. The system network is built by combining field bus communication and high-speed Ethernet, making full use of the existing network resources of the project. The data transmission mode of each monitoring area of the energy consumption monitoring system is adopted. The data of the project water, electricity and gas monitoring points is transmitted to the energy consumption monitoring system in a manner shared with the existing communication network of the project.

4, Complete various functional application software development projects for the project building energy consumption monitoring system. Realize energy consumption monitoring, sub-item energy consumption, energy consumption statistics, comparative analysis, energy reports and other software functions in the energy consumption monitoring system platform.

2.2. Technical standards

The countries and industries cited in this technical specification are marked as follows:

ISO/IEC11801 International Integrated Cabling Standards

GB/50198 Monitoring system engineering technical specification

GB50052      Power supply and distribution system design specification

GB50054      Low-voltage power distribution design specification

GBT 50063      Specification for design of electrical measuring instrumentation for electrical installations

IEC 61587  Electronic equipment mechanical structure series

DL/T448       Technical regulation of electric energy metering device

National institution office building and large-scale public building energy consumption monitoring system - technical guidelines for sub-item energy consumption data collection

National Office Office Building and Large Public Building Energy Monitoring System-Technical guidelines for sub-item energy transmission data transmission

National Office Office Building and Large Public Building Energy Monitoring System-Technical guidelines for building sub-metering design and installation

National Office Office Building and Large Public Building Energy Monitoring System-data centre contruction and maintenance technical guidelines

National Office Office Building and Large Public Building Energy Monitoring System-construction,acceptance and running management specifications

National Office Office Building and Large Public Building Energy Monitoring System - Software Development Guide

Part 1 general

DL/T 698.2 

Part 2 main station technical specifications

DL/T 698.31  

Part 3.1 ‘energy information collection terminal technical specifications-general requirements

DL/T 698.35 

Part 3-5 energy information collection terminal technical specifications-special requirements for low-voltage central meter reading

DL/T 698.41   

communication protocol-collection terminal communication between main station and energy information

DL/T 698.42  

part 4-2:communication protocol- Concentrator downlink communication protocol

DL/T 698.41  

part 4-1:communication protocol-collection terminal communication between main station and energy information

DL/T 698.42

part 4-2:communication protocol- Concentrator downlink communication protocol

2.3.Design scope

According to the customer's needs and the actual situation of the project, the project designed a set of Acrel-5000 energy management system. The specific distribution of instrumentation on the field equipment level is as follows:

completion and delivery center power monitoring system monitoring scope includes:

1)82 low-voltage cabinets multi-function network power meters in the 10KV/0.4KV substation of the 101 delivery center;

2)81 low-voltage cabinet multi-function network power meters in the 1#, 2#, 3#10/0.4KV substation of the 102 completion center

3)125 low-voltage cabinet multi-function network power meters in the 1#, 2#10/0.4KV substation of 103 painting workshop;

4)103 low-voltage cabinet multi-function network power meters in the central substation of 108 power station;

5)All the above meter data is forwarded by the power monitoring system;

6)In addition, the system independently monitors 101 delivery center floor distribution boxes for a total of 43 multi-function network power meters;

7)The data of the cold heat meter is forwarded by the BA system.

 1.  system integration equipment list

attachment 3:list of energy consumption management system list

2. network topology structure

The Acrel-5000 energy management system adopts a layered and distributed structure, that is, the field device layer, the network communication layer, and the station control management layer. For detailed topology, see Appendix 4: “Using Management System Network Topology Diagram”.

3. system running environment

3.1. system hard disk requirements:

In order for the Acrel-5000 energy management system to work properly, the host hardware for installing the system software must meet the following requirements.

CPU:Intel I5 CPU 2.5GHz;

CPU:Intel core I5 CPU 2.5GHZ above

RAM:over 4G

Hard disk: over 500G

Display: VGA, SVGA and graphics adapter supporting desktop operating system, displaying more than 256 colors;

3.2. software running environment

Acrel-5000 energy management system software runs on Microsoft's Windows operating system platform and is compatible with Windows Server 2003 Standard Edition (Simplified Chinese), Windows Server 2008 Enterprise Edition (Simplified Chinese), Windows 7 Ultimate (Simplified Chinese), Windows Server. 2012 Standard Edition (Simplified Chinese), etc., the database uses SQL Server 2008 Standard Edition R2 or higher

3.3. Energy Management System Room Requirements

The lightning protection and grounding design of the equipment room where the energy management system is located shall meet the requirements for safety protection and the normal operation of the electronic information system. It shall comply with the current national standards “Building Lightning Protection Design Code” GB 50057 and “Building Electronic Information System Lightning Protection”. Technical Specifications" GB 50343 relevant provisions. The environment in which the monitoring computer and communication acquisition device are located shall meet the following requirements:

altitude height:≤2000m

environment temperature 5℃~30

max daily temperature difference

Relative humidity:30% ~ 90%

4.1. login page

The system can customize the personalized system login interface according to customer requirements. The images and logos used in the login interface are provided by the user.

1.1. Comprehensive energy consumption display

The system successfully enters the main page. The main page displays the building picture of the building, the basic information of the building, the electricity pie chart of the building in the month and the consumption of various energy sources. According to the selected building, the building picture is loaded, you can choose time to check the building energy consumption, select the building or time to automatically refresh, the default is the day.

1.1Overview of branch energy consumption

The system can query the energy usage according to the branch name of the classified energy consumption, and display the energy peak of the current day and the current month (the maximum demand value of the electric energy), the energy used for the day, the energy used in the current month, the energy used in the current year, and the energy used in the same period of the previous year. Comparing the energy consumption during the same period of the month and the energy consumption in the same period of the previous year; displaying the energy consumption of the past 48 hours, 31 days, 12 months, and 3 years in a histogram; showing the load energy trend of 15 minutes in a graph (electric meter display) The power curve, the flow meter shows the flow rate curve) and shows the current value, the maximum and minimum values within 15 minutes.

1.1. Branch road energy

The system can count the usage of each branch in a certain period of time, day by day, week by month, month by month, quarter by season and year by year. Select the branch that needs to be queried, click ‘Load Data’ to view the trend of energy usage of each branch. You can query according to the existing date or custom time, and you can display the total output of the tributary by chart.

1.1. Sub-item energy consumption

The Acrel-5000 energy management system can perform energy consumption statistics and display according to sub-items. Among them, the daily sub-item can display the daily and yesterday energy consumption histograms of different sub-items (blue bars indicate today, green bars indicate yesterday); use energy pie chart to show the energy consumption of each sub-item in the past 31 days The stacked chart shows the energy consumption trend of each item in the past 31 days; the itemized energy ranking chart shows the top 10 branches of the selected item corresponding to the energy consumption value.

1.1. Item energy

The system can count the usage of each sub-item day by day, week by week, month by month, quarter by season and year by year. Select the branch that needs to be queried, and ‘Load Data’ to view the trend of energy usage of each branch in the sub-item, which can be queried according to the existing date or custom time. The branches here are all based on the configuration of the classification items in the basic data. The default query is the energy consumption of the current month.

1.1. department energy consumption overview

The system can perform energy consumption statistics and display according to the sub-items. Among them, the day-on-year analysis chart shows the bar chart of the comparison of the energy consumption values of the departments on the same day and yesterday (the blue bar indicates today, the green bar indicates yesterday); the pie chart shows the energy consumption ratio of each department in the past 31 days; The energy consumption trend of each department in the past 31 days; the department performance appraisal comparison chart shows the actual energy consumption and energy use target value. When the actual energy value is greater than the target value, the actual value is marked as red.