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GB/T 36270-2018

Chinese Standard: 'GB/T 36270-2018'
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BASIC DATA
Standard ID GB/T 36270-2018 (GB/T36270-2018)
Description (Translated English) Technical specification for monitoring and control system of microgrids
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F19
Classification of International Standard 27.180
Word Count Estimation 14,136
Date of Issue 2018-06-07
Date of Implementation 2019-01-01
Drafting Organization China Electric Power Research Institute Co., Ltd., State Grid Jiangsu Power Co., Ltd., State Grid Anhui Power Co., Ltd., Guodian Nanrui Technology Co., Ltd., State Grid Qinghai Electric Power Company Electric Power Research Institute, Jicheng Energy Co., Ltd., Jiangsu Equation Power Technology Co., Ltd.
Administrative Organization China Electricity Council
Proposing organization China Electricity Council
Issuing agency(ies) State Market Supervision Administration, China National Standardization Administration

GB/T 36270-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.180
F 19
Technical Specification for Monitoring
and Control System of Microgrids
微电网监控系统技术规范
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 ... 5 
4 General Principles ... 5 
5 Working Environment and Conditions ... 6 
6 System Structure and Configuration ... 7 
7 System Functions ... 8 
8 Performance Indexes ... 13 
Appendix A (informative appendix)... 16 
Technical Specification for Monitoring
and Control System of Microgrids
1 Scope
This Standard specifies the technical requirements of monitoring and control system
of microgrids, such as working environment, structure, configuration, system functions
and performance indexes, etc.
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 634.5103 Tele-control Equipment and Systems - Part 5-103. Transmission
Protocols - Section 103. Relay Protection Equipment Information Interface
Supporting Standard
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 (all the content) Communication Networks and Systems in Substations
DL/T 5136 Technical Code for Designing of Electrical Secondary Wiring in Fossil
Fuel Power Plants and Substations
4.3 Microgrid monitoring and control system shall comply with stipulations of safety
protection of power monitoring and control system.
4.4 Microgrid monitoring and control system shall adopt an open system and structure
and be equipped with standard interfaces and satisfying expandability.
5 Working Environment and Conditions
5.1 Power Supply
5.1.1 Energy management system for microgrids (voltage level. 10 kV and above) shall
adopt dual power-supply; energy management system for microgrids (voltage level.
380 V) shall adopt single power-supply.
5.1.2 Microgrid monitoring and control system shall be equipped with uninterrupted
power supply (UPS) that can maintain normal system operation for ≥ 2 h.
5.2 Computer Room
5.2.1 Microgrid monitoring and control system shall be installed through group screens
and deployed in the control room and computer room in accordance with its functional
division.
5.2.2 The structure of various screens and the layout of screens under microgrid
monitoring and control system shall comply with stipulations in DL/T 5136.
5.2.3 The computer room shall be equipped with waterproofing, fireproofing and
accident lighting facilities; its setting shall comply with stipulations in GB/T 2887.
5.2.4 Isolation and lightning protection measures adopted in the computer room shall
comply with stipulations in GB/T 2887.
5.2.5 Grounding design of the computer room shall comply with stipulations in GB
50174.
5.3 Field and Environment
5.3.1 Maximum relative humidity.
a) Daily average value. 95%.
b) Monthly average value. 90%.
5.3.2 Working environment and temperature.
a) Outdoor. -25 °C ~ 55 °C.
b) Indoor. -5 °C ~ 45 °C.
e) Statistics of the accuracy of remote control and adjustment;
f) Statistical analysis of voltage and current limit, power factor power quality
qualification rate.
7.1.3 Microgrid monitoring and control system shall be equipped with the function of
reasonably examining the acquired data and information, and initiating over-limit alarm,
which includes, but is not limited to.
a) Examination of data integrity. automatically filter bad data and set up data
quality labels;
b) Set up limits. support the adoption of different limits in different time slots;
c) Alarm. the definition, action, diversion and information storage of alarm, and
frame invoking, etc.
7.1.4 Microgrid monitoring and control system shall be equipped with the function of
storing the acquired data and information, which includes, but is not limited to.
a) Storage and management of raw data and application data by classification;
b) Storage of the sequence and operation record.
7.2 Database Management
7.2.1 Microgrid monitoring and control system shall be equipped with the function of
database maintenance, synchronization, back-up and recovery, etc.
7.2.2 Microgrid monitoring and control system shall provide unified real-time or quasi-
real-time data interfaces to external sources; implement access control in accordance
with the limit of authority and classification.
7.3 Human-computer Interface
7.3.1 Microgrid monitoring and control system can include, but shall not be limited to.
a) Real-time monitoring frame shall support system main wiring diagram, network
diagram, geographical diagram, operating-condition diagram and
communication network diagram, etc. The mode of diagram demonstration
includes tendency chart, histogram and pie chart, etc.
b) It shall support multi-screen display, graphical multi-window, step-less zoom,
roaming, hauling and hierarchical display, etc.
7.3.2 Microgrid monitoring and control system shall be equipped with graphical
modeling tool that can facilitate graphic library integration; network topology
management tool. It shall also support customized equipment primitive and interval
7.7.2 There shall be two modes of control. automatic control and manual control. The
level of control operation shall be on-the-spot monitoring and control, internal
monitoring and control, and remote control from top to the bottom.
7.7.3 In terms of manual control of equipment breaking, microgrid monitoring and
control system shall be equipped with the function of operation, monitoring and
guarding. Guardians can implement monitoring and guarding in the local computer or
other operators’ stations.
7.7.4 In microgrid monitoring and control system, three steps shall be adopted in the
breaking equipment. selection, proofreading and execution. The implementation shall
be operated step by step.
7.8 Authority Management
7.8.1 In users’ authority management under microgrid monitoring and control system,
personnel shall be provided with different authorities and validity periods in accordance
with different job duties and natures, including hierarchical authority management,
authority binding and configuration.
7.8.2 In microgrid monitoring and control system, hierarchical management shall be
implemented in users’ authority. Password setting and authority allocation can be
executed; password limitation can be executed in accordance with the content of
business.
7.8.3 All the operators logging in microgrid monitoring and control system shall be
authorized; identity and authority authentication shall be executed. Stipulated system
functions and scope of operation shall be adopted in accordance with the limit of
authority.
7.9 Microgrid Operating Mode Control
7.9.1 Microgrid monitoring and control system shall be equipped with the function of
microgrid-connect/grid-disconnected switching; the function of issuing mode switching
instructions to certain devices, such as distributed power and grid-connected interface
device, etc.
7.9.2 In normal grid-connect/grid-disconnected switching, microgrid monitoring and
control system shall provide two optional modes. power-off switching and smooth
switching.
7.9.3 In case of malfunction of the microgrid, microgrid monitoring and control system
shall automatically switch from grid-connected operating control mode to grid-
disconnected mode.
7.9.4 When microgrid switches from grid-disconnected operation to grid-connected
operation after the malfunction recovers, microgrid monitoring and control system shall
a) Relative error of current and voltage measurement. ≤ 0.2%.
b) Relative error of active and reactive measurement. ≤ 0.5%.
c) Error of grid frequency measurement. ≤ 0.01 Hz.
8.3 System Timeliness
The requirements of system timeliness include.
a) The delay time from telemetry dead zone to the displa......
Related standard: GB/T 36274-2018    GB/T 36276-2018
Related PDF sample: GB/T 36274-2018    GB/T 36276-2018