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GB/T 36274-2018 English PDF (GBT36274-2018)

GB/T 36274-2018 English PDF (GBT36274-2018)

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GB/T 36274-2018: Technical specification for energy management system of microgrids
This Standard specifies technical requirements of energy management system for microgrids, such as structure, configuration, working environment and conditions, system functions and performance indexes. This Standard is applicable to the construction, reconstruction and expansion of microgrids (voltage level: 35 kV and below).
GB/T 36274-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.180
F 19
Technical Specification
for Energy Management System of Microgrids
ISSUED ON. JUNE 7, 2018
IMPLEMENTED ON. JANUARY 1, 2019
Issued by. State Administration for Market Regulation of the People’s
Republic of China;
Standardization Administration Committee of the People’s
Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 General Principles ... 5
5 Working Environment and Conditions ... 5
6 System Structure and Configuration ... 6
7 System Functions ... 8
8 Performance Indexes ... 11
Technical Specification
for Energy Management System of Microgrids
1 Scope
This Standard specifies technical requirements of energy management system for microgrids, such as structure, configuration, working environment and conditions, system functions and performance indexes.
This Standard is applicable to the construction, reconstruction and expansion of microgrids (voltage level. 35 kV and below).
2 Normative References
The following documents are indispensable to the application of this Standard. In terms of references with a specified date, only versions with a specified date are applicable to this Standard. The latest version (including all the modifications) of references without a specified date is also applicable to this Standard.
GB/T 2887 General Specification for Computer Field
GB/T 20270 Information Security Technology - Basis Security Techniques
Requirements for Network
GB 50174 Code for Design of Data Centers
DL/T 634.5101 Tele-control Equipment and Systems - Part 5-101. Transmission Protocols - Section 101. Companion Standard for Basic Tele-control Tasks DL/T 634.5104 Tele-control Equipment and Systems - Part 5-104. Transmission Protocols - Network Access for IEC 60870-5-101 Using Standard Transport Profiles
DL/T 860 Communication Networks and Systems in Substations
DL/T 5136 Technical Code for Designing of Electrical Secondary Wiring in Fossil Fuel Power Plants and Substations
3 Terms and Definitions
The following terms and definitions are applicable to this Standard.
6.3 Software Configuration
6.3.1 Energy management system for microgrids shall include operation system, supportive software and application software.
6.3.2 Energy management system for microgrids (voltage level. 10 kV and above) shall be equipped with real-time database and historical database.
6.3.3 Supportive software shall include certain functional modules, such as data acquisition management, database management, network communication
management, graphic management, statement management, authority management, alarm management and calculation statistics, etc.
6.4 Communication
6.4.1 Communication between microgrid energy management system and microgrid monitoring system shall adopt the mode of twisted pair lines and optical fiber communication; DL/T 634.5101, DL/T 634.5104 and DL/T 860 shall be adopted as communication protocols.
6.4.2 Communication between microgrid energy management system and power dispatching agency shall adopt the mode of twisted pair lines and optical fiber communication; DL/T 634.5101, DL/T 634.5104 and DL/T 860 shall be adopted as communication protocols.
7 System Functions
7.1 Power Generation Forecasting
7.1.1 In terms of microgrid system that includes intermittent power generation forms, such as wind power and photovoltaic power generation, microgrid energy
management system shall be equipped with the function of resource monitoring. 7.1.2 In terms of microgrid system that includes intermittent power generation forms, such as wind power and photovoltaic power generation, microgrid energy
management system shall be equipped with the function of corresponding power forecasting of wind power and photovoltaic power generation.
7.1.3 Microgrid energy management system shall forecast the power of power generation through historical and actually measured data; it shall also be able to receive data of power forecasting.
7.2 Distributed Power Management
7.2.1 Microgrid energy management system shall be equipped with the function of corresponding fuel management of power generation devices in the microgrid, such as gas turbine and diesel engine, etc. This function includes statistics of fuel 7.4.2 Microgrid energy management system shall include power generation and utilization plan a few days ago and within a few days. Power generation and utilization plan shall include the arrangement of output power plan within 24 h, starting from zero o’clock in the next day, with time resolution ≤ 15 min; the scrolling arrangement of output power plan from the current moment to the next 4 h, with scrolling in every 15 min and time resolution ≤ 15 min.
7.4.3 Microgrid energy management system shall arrange power generation plan in accordance with two modes, namely, manual input and automatic generation. 7.5 Voltage Reactive Management
7.5.1 Microgrid energy management system shall conduct optimal configuration of the operation of reactive voltage in the microgrid. The setting of reactive voltage operating mode includes power factor control mode, reactive power control mode and voltage control mode, etc. The set value or range of parameters of the selected control mode shall also be provided.
7.5.2 Microgrid energy management system shall be able to provide the set value or range of parameters of the selected reactive voltage operating mode, including voltage limit, reactive power limit, power factor limit, dead zone, time limit and gradient, etc. 7.5.3 Microgrid energy management system shall be equipped with the function of setting the input sequence of reactive power compensation equipment.
7.6 Statistical Analysis and Evaluation
7.6.1 In terms of microgrid that adopts wind power generation or photovoltaic power generation as the main power, microgrid energy management system shall conduct resource analysis in accordance with wind power and solar energy monitoring data. 7.6.2 Microgrid energy management system shall conduct statistical analysis of the internal power generation, utilization and storage system of the microgrid, as well as electric energy exchange between the microgrid and external system.
7.6.3 Microgrid energy management system shall analyze energy consumption and effectiveness of microgrid system operation; it shall also be equipped with the function of consumption analysis, energy conservation analysis, cost accounting and effectiveness analysis, etc.
7.6.4 Microgrid energy management system shall be equipped with the function of reliability analysis of microgrid power supply, including the analysis of power supply reliability, annual power outage time and number, etc.
7.6.5 Microgrid energy management system shall analyze the utilization of wind and optical resource in accordance with resource monitoring data and actual power generation and utilization data.
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