GB/T 40063-2021Guidelines for energy management and control center construction for industry enterprise (English PDF)

3.1 Energy management and control center for industry enterprise

Adopt automation, informatization, and intelligent technology to purchase and store, process and transform, transport and distribute, end-use links and energy for enterprises. Source measuring instruments implement centralized dynamic monitoring and digital management, and realize the control of energy saving and consumption reduction in industrial enterprises through energy efficiency analysis, management, and assessment Integrated system, and supporting the corresponding personnel and institutions for operation and maintenance management.

3.2 Energy measuring instrument

The measurement objects are measuring instruments for primary energy, secondary energy and energy-carrying medium. [GB 17167-2006, definition 3.1]

3.3 Energy Management System

Establish a management system for energy policies, goals, energy indicators, measures plans and processes to achieve the goals and energy indicators. [GB/T 23331-2020, definition 3.2.2]

3.4 Energy measuring gateway

Equipment with functions such as online collection, processing, verification, storage, summary calculation and data uploading of energy-related data.

4.1 Overall goal

4.1.1 Construction of energy measurement system for industrial enterprises

Industrial enterprises shall establish an energy measurement system for industrial enterprises in accordance with the relevant provisions of GB/T 19022, and shall improve and establish an energy measurement system in accordance with GB 17167. Establish the configuration of energy measuring instruments for industrial enterprises, and configure them according to the requirements of the enterprise's production process and production management.

4.1.2 Energy flow diagram

According to the energy consumption structure, industrial enterprises purchase and store the various energy used, processing and conversion, transportation and distribution, and the entire process of end use. The dynamic data map of loss and utilization respectively, including but not limited to the part of enterprise energy cascade utilization and recycling.

4.1.3 Real-time monitoring of energy consumption

Install energy measuring instruments for industrial enterprises and major energy-consuming equipment, and establish a foundation in accordance with the production process and production management organization. The energy measurement monitoring network in the internal industrial control network of the enterprise, through the real-time online collection of energy measurement instruments, to obtain classification, Itemized real-time energy consumption data; at the same time collect relevant data of production and management systems and product output data to achieve energy efficiency for industrial enterprises Use status to monitor in real time.

4.1.4 Energy efficiency optimization management and control

Industrial enterprises use the energy consumption quota established by the internal process flow for the enterprise, main energy-using equipment and main processes Efficiency evaluation, through energy efficiency benchmarking, energy-saving and tapping the potential of each process of the entire production process, and formulating to improve energy utilization efficiency and reduce energy consumption. The process operation mode and management method of the consumption, the energy-saving optimization control of the energy-using system with the control conditions.

4.1.5 Integrated energy management

Industrial enterprises establish an energy management and control center that integrates energy online monitoring, analysis, management, control, assessment and visual display to meet The need for refined management of corporate energy.

4.1.6 Government platform interface

Industrial enterprises should refer to the docking requirements of the government authorities and reserve corresponding platform interfaces respectively.

4.2 Construction principles

Industrial enterprises should follow the overall requirements of energy management and informatization development, make scientific and overall planning, and functionally meet the long-term development of the enterprise in the future The needs of the country and the country's energy regulatory requirements.

4.3 Data resource integration and information fusion

Industrial enterprises should play the role of existing data resources, establish data exchange and integration interfaces, ensure the existing investment of enterprises, and realize enterprise data Resource sharing and information integration.

4.4 Safe and applicable

Industrial enterprises should adopt advanced and mature technology and equipment, with safe and reliable performance, standardized installation, convenient application, easy maintenance and management, and ensure Data security and long-term effective operation of the system.

5.2 Data Collection

Data collection of energy and energy-carrying fluids should meet the classification and sub-item statistical requirements, as follows.

a) Classification is a statistical method divided according to the types of energy and energy-carrying media. It should include purchased energy and energy produced and used by industrial enterprises. (Including renewable energy), recyclable waste energy and heat resources and water resources.

b) The sub-items are divided into main production energy, auxiliary production energy, non-production energy, and external energy supply according to the production process of industrial enterprises Statistical methods of sources and energy-carrying working fluids. Among them, production energy should be divided according to department, workshop, process, and process unit.

5.2.2 Collection method

Industrial enterprises should choose the data collection method according to their own conditions, using energy metering gateway collection, measuring instrument collection and other information systems Sharing is the main task, and manual collection is supplemented.

a) Energy metering gateway collection. through the energy metering gateway, the metering instruments and site installed on-site are collected in a wired or wireless manner. Related sensors and counters collect table values in a fixed period, and complete the communication agreement with measuring instruments in the energy metering gateway. Discuss conversion, binding and caching of table value and time label of collection time, calculation of energy consumption data, management of time base (real-time time Clock, receive broadcast time calibration and automatically time), in accordance with the corresponding communication protocol in the enterprise industrial control network and the energy control center System software for data upload;

b) Measuring instrument collection. automatic collection of energy consumption through measuring instruments with remote data transmission function;

c) Sharing of other information systems. Data sharing is achieved through the use of standard data interfaces through docking with various existing systems of the enterprise;

d) Manual collection. For data and information that do not have the conditions for automatic collection, manual methods should be used according to a certain period (or including the period. Data) to be collected and entered into the system.

5.2.3 Equipped with energy measuring instruments

The equipment of energy measuring instruments in industrial enterprises meets the requirements of GB 17167. Establish an electronic ledger for energy measuring instruments, The name, model specification, accuracy level, measurement range, manufacturer, factory number, enterprise management number, uniform coding of measuring instruments, installation Use location, status (referring to qualified, approved, deactivated, etc.), verification (calibration) cycle and time for dynamic management to realize the full life of measuring instruments Cycle management function.

5.2.4 Selection, verification management and installation of energy measuring instruments

Energy measuring instruments should meet the following requirements.

a) Intelligent instruments are preferred, and the accuracy requirements of measuring instruments meet the requirements of GB 17167;

b) It has a standard data communication interface that conforms to industry specifications, and it should be preferred to use open protocol measuring instruments, and it should be equipped with a spare Communication Interface;

c) Energy measurement instruments shall be managed in accordance with the entire life cycle, and shall be periodically verified in accordance with the requirements of national mandatory verification;

d) The installation of energy measuring instruments meets the requirements of GB 50093.

5.2.5 Data sharing of other information systems of industrial enterprises

If the data collected by the system comes from the automatic production control system of the enterprise, in order to ensure the safety and stability of the production system, the relevant data should be generated by the enterprise. The production automatic control system is transmitted to the energy management and control center system in a push mode.

5.2.6 Product output data collection

Enterprises with automated production control systems or production equipment with intelligent interfaces should use other information system sharing methods to obtain Relevant data such as the output of intermediate products and final products in the production process of the enterprise.

The collection of product output data should meet the energy management requirements of different departments, workshops, processes, procedures, and positions of the enterprise.

5.2.7 Energy Metering Gateway

Industrial enterprises should select energy reasonably according to the requirements of the enterprise's on-site environment, the location of measuring instruments, automatic production lines and equipment, and transmission safety. The metering gateway is as follows.

a) The energy measurement gateway should support simultaneous data collection of different types of energy measurement instruments;

b) The energy metering gateway should include an uplink interface and a downlink interface, and the uplink interface is connected to the enterprise energy management control center; the downlink The interface communicates with enterprise energy-consuming equipment and metering instruments, and is used to collect the original code data of energy-consuming equipment; energy metering gateway The downlink interface should support multiple types of communication protocols to collect different devices;

c) The energy metering gateway should automatically collect the original code data of the enterprise's energy-using equipment and metering instruments according to the set collection cycle. And calculate the company's energy use and energy consumption related data;

d) The energy metering gateway should store no less than 7d of 15min code data, or no less than 7d of the whole point (per hour) code number According to; no less than 31d day (daily) table code data;

e) The energy metering gateway should actively collect the meter code value of the downlink smart meter according to different communication protocols according to the timing period. Add time tag cached locally;

f) The energy metering gateway can report energy use and consumption data to online monitoring in the form of automatic reporting or manual reading. Measurement system;

g) The energy metering gateway should support the breakpoint resumable transmission function. When an error occurs in the data uplink, it can be re-reported in the subsequent time window. At the same time, it should have the function of passively reading data;

h) The energy metering gateway should have a real-time clock, and the daily clock error should be less than 2s/d; the online monitoring system regularly broadcasts the gateway. Broadcast time calibration operation; the energy metering gateway performs broadcast time calibration on its own clock and downstream energy-consuming equipment and metering instruments;

i) The energy metering gateway should have a heartbeat function, and should contact the energy control center regularly to ensure the real-time online of the metering instrument and report the device. The working status of the equipment;

j) The energy metering gateway should have a log function, and enter the original code of energy-consuming equipment and metering instruments according to the rules preset by the system. Perform measurement error identification (backward, no-go, communication timeout, etc.), record the error log, and actively report to the energy management and control center;

k) The energy metering gateway should perform identity authentication and data encryption processing on data packets;

l) The energy metering gateway should have a power-off storage function and the storage period should be more than 30d;

m) The energy metering gateway should support remote upgrade and remote parameter configuration functions.

5.3 Data transmission

5.3.1 Data Transmission Network

The energy management and control center system of industrial enterprises is the central layer in the enterprise internal network, and has the same network location as the enterprise automatic control network.

Establish an information security isolation device between the energy management and control center and the corporate office network. The security isolation device meets the relevant regulations of GB/T 20279.

Choose the appropriate communication medium and networking method according to the scale of the enterprise and environmental conditions. When building a new transmission network, you can choose to use dedicated communication Cables, twisted pairs or optical cables are the communication media. When conditions are not available, wireless networking can also be selected.

5.3.2 Data Transmission

5.3.2.1 Transmission between energy measurement instruments and energy measurement gateways

The transmission between the energy measurement instrument and the energy measurement gateway meets.

a) It should be ensured that the reliable communication between the energy measurement instrument and the energy measurement gateway supports repeated collection, and the current collection should be performed in accordance with the collection requirements. Fail to judge and make a supplementary copy, and perform the local cache of the energy metering gateway, and bind the time stamp for the collected data;

b) It should support a variety of network transmission and communication methods;

c) It is advisable to adopt protocols that comply with the standards of the communications industry.

5.3.2.2 Transmission between energy metering gateway and server

The transmission of energy metering gateway and service device meets.

a) The energy metering gateway should use wired or wireless access to the network based on the IP protocol, and use the TCP protocol at the transport layer;

b) When the network fails, the energy metering gateway stores the data that failed to be uploaded in real time normally. After the network connection returns to normal, the Use cached data for resuming transmission;

c) When the energy measurement device or energy measurement gateway fails to collect energy consumption data normally, the energy measurement gateway should send a message to the server. Send fault information;

d) Keep the correspondence between the unique code corresponding to the management measuring instrument and the network address in the energy metering gateway to ensure The tracking of the measuring instrument can be realized when the measuring instrument is replaced.

5.3.2.3 External interface of the energy management and control center

In accordance with the relevant requirements of the government authorities, the enterprise energy management and control center should reserve corresponding information on the premise of ensuring enterprise information security. interface.

5.4 Data Management

5.4.1 It is advisable to establish a real-time database of raw data to completely save the directly collected data; establish cleaning rules and cleaning algorithms in the calculation. The real-time data is cleaned in the computer to establish an application database for analysis, prediction and management.

5.4.2 Historical databases should be established, and data should be stored for more than 5 years. Enterprises can choose local deployment or cloud based on their own data security methods. End deployment method to establish remote disaster recovery.

5.5 Data application

5.5.1 It should meet the demand of enterprise users' visit volume.

5.5.2 It should meet the requirements of enterprise energy management and assessment.

5.5.3 It should meet the requirements of the government authority platform for online monitoring of enterprise energy consumption and energy measurement management.

5.5.4 A data interface for third-party system access should be provided.

5.5.5 It should support multiple terminal access forms.

6.1 Real-time monitoring

The energy management and control center should monitor all energy, energy-carrying fluids, system parameters, and product output in real-time in the form of flowcharts, reports, and trends. Control display, and realize historical data query and summary.

6.2 Time base

The computer of the industrial control network of industrial enterprises should be equipped to obtain the reference clock from the satellite timing system, and to control the energy metering gateway and enterprise energy management and control. The center performs the function of broadcast time calibration; it can periodically broadcast time calibration for its downstream energy-consuming equipment and measuring instruments; system clock error Less than 2s/d.

6.3 Energy consumption statistics

6.3.1 The energy management and control center of industrial enterprises should separately count the enterprises, main energy-using equipment, and production shifts according to the types of energy consumption and energy-carrying media. The energy consumption and output data of the group are summarized and calculated year-on-year and month-on-month according to a certain statistical period. The statistical cycle should be annual, semi-annual, quarterly Units are degrees, months, weeks, days, shifts, and hours, and the statistical results are displayed in graphs, tables, etc.

6.3.2 The enterprise energy management and control center should convert comprehensive energy consumption and carbon emissions, and the conversion standards shall be converted in accordance with the current year announced by the government department The coefficient is executed.

6.3.3 The energy management and control center of industrial enterprises should make statistics on the comprehensive energy consumption per unit product and the comprehensive energy consumption per unit output value. GB/T 2589 stipulates implementation.

6.4 Benchmarking analysis

6.4.1 Perform product unit energy consumption assessment for each production team of the same process/process.

6.4.2 Perform internal benchmarking of key indicators related to energy/resource consumption and have a significant impact on production.

6.4.3 The total energy consumption target is broken down into phased targets, and the total and phased targets are assessed separately.

6.4.4 It is advisable to evaluate the production teams and groups of enterprises, different departments, workshops, processes, procedures, and positions according to different cycles (year, quarter, month, day). Completion of the bid.

6.5 Warning prompt

6.5.1 It has the functions of pre-warning and alarming of total energy consumption, product unit energy consumption index and its decomposition index.

6.5.2 It has the function of alarming abnormal energy consumption of production process system, auxiliary production system and main energy-consuming equipment.

6.5.3 Equipped with the alarm function of excessive standby time for main energy-consuming equipment, and the standby time is set according to the operating conditions of the production system.

6.5.4 It has the function of alarming abnormal data collected by energy measuring instruments.

6.5.5 Various forms of alarm notification functions should be provided.

6.6 Energy consumption analysis

6.6.1 It should have the function of analyzing the energy utilization efficiency of the enterprise and the main energy-using equipment.

6.6.2 Synchronous analysis of data such as energy consumption data, system parameters, pollutant emissions, output and environmental conditions of the main energy-using equipment should be realized.

6.7 Optimal control of energy use process

6.7.1 It is advisable to carry out energy-saving and cost optimization related controls for energy-using systems that have automatic control conditions, or the energy management and control center should issue control. System instructions, on-site energy-saving control is realized by on-site operators according to the instructions.

6.7.2 It is advisable to find energy-saving potential based on the results of energy consumption analysis, improve energy-saving strategies, and realize energy-saving control.

6.8 Energy use plan

It is advisable to make energy forecasts for enterprises, formulate energy plans, and carry out reasonable energy dispatch according to the needs of enterprises.

6.9 Energy efficiency management

6.9.1 There is an energy flow diagram of the enterprise, which shows the energy consumption and loss of the enterprise.

6.9.2 It has the function of statistically managing the basic information, running time and downtime of the main energy-using systems and main energy-using equipment.

6.9.3 It has the function of supporting the business process of the enterprise's energy management system.

6.9.4 It is advisable to manage enterprise operation improvement projects to realize the actual energy-saving effect evaluation of operation improvement projects.

6.10 Report management

6.10.1 With report output function.

6.10.2 It has the function of uploading data and reports according to the requirements of the upper-level platform.

6.11 System Management

6.11.1 It has the functions of user management, log management, information entry, parameter configuration, communication setting, standard value and warning value setting.

6.11.2 It has maintenance and operation functions such as adding, editing, modifying, and deleting users and permissions.