GB/T 41235-2022 PDF English
Search result: GB/T 41235-2022 English: PDF (GB/T41235-2022)
Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Name of Chinese Standard | Status |
GB/T 41235-2022 | English | 170 |
Add to Cart
|
0-9 seconds. Auto-delivery.
|
Specification for interaction between internet of energy and energy storage system
| Valid |
BUY with any currencies (Euro, JPY, GBP, KRW etc.): GB/T 41235-2022 Related standards: GB/T 41235-2022
PDF Preview: GB/T 41235-2022
GB/T 41235-2022: PDF in English (GBT 41235-2022) GB/T 41235-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.240.01
CCS F 10
Specification for interaction between internet of energy and
energy storage system
ISSUED ON: MARCH 09, 2022
IMPLEMENTED ON: OCTOBER 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration 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 Total requirements ... 6
4.1 Interactive frame ... 6
4.2 General requirements ... 7
5 Energy interaction ... 8
5.1 Energy interaction between electric energy storage and energy internet ... 8
5.2 Energy interaction of other types of energy storage and energy internet ... 10
6 Information interaction ... 10
6.1 Project information ... 10
6.2 Operation information ... 10
6.3 Transaction information ... 11
6.4 Information communication ... 12
7 Business interaction ... 13
7.1 Operation business ... 13
7.2 Market business ... 13
Bibliography ... 15
Specification for interaction between internet of energy and
energy storage system
1 Scope
This Standard specifies the principles and technical requirements that shall be followed
in the energy interaction, information interaction, and business interaction between
energy internet and energy storage system.
This Standard applies to the interaction between energy internet and energy storage
system.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 12325, Power quality - Deviation of supply voltage
GB/T 12326, Power quality - Voltage fluctuation and flicker
GB/T 14549, Quality of Electric Energy Supply - Harmonics in Public Supply
Network
GB/T 15543, Power quality - Three-phase voltage
GB 17167, General principle for equipping and managing of the measuring
instrument of energy in organization of energy using
GB/T 17626.2, Electromagnetic compatibility (EMC) - Testing and measurement
techniques - Electrostatic discharge immunity test
GB/T 17626.3, Electromagnetic compatibility - Testing and measurement techniques
- Radiated, radio-frequency, electromagnetic field immunity test
GB/T 17626.4, Electromagnetic compatibility - Testing and measurement techniques
- Electrical fast transient/burst immunity test
GB/T 20270, Information security technology - Basis security techniques
requirement for network
GB/T 24337, Power quality - Inter harmonics in public supply network
GB/T 29873, Protocol for Data Communication of Energy Metrology Data Public
Platform
GB/T 31366, Technical requirements for monitoring and control system of
photovoltaic power station
GB/T 34120, Technical specification for power conversion system of
electrochemical energy storage system
GB/T 36270, Technical specification for monitoring and control system of
microgrids
GB/T 36274, Technical specification for energy management system of microgrids
GB/T 36674, General technical requirements for the energy construction monitoring
system in public institutions
GB/T 36713, Energy management systems - Energy baselines and energy
performance indicators
GB/T 36951, Information security technology - Security technical requirements for
application of sensing terminals in internet of things
IEC 61968 (all parts), Application integration at electric utilities - System interfaces
for distribution management
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 energy internet; EI
the open energy interconnection that takes electric energy as the core, integrates heat,
cooling, gas and other energy sources, comprehensively utilizes internet and other
technologies, deeply integrates energy systems and information communication
systems, and coordinates the production, transmission, distribution, storage, conversion,
consumption and transaction of multiple energy sources, with high efficiency, clean,
low carbon, safe features
[Source: GB/Z 41237-2022, 3.1.1]
3.2 energy storage system
a system that consists of energy conversion, storage devices, and control and
management equipment
4.2.5 The parties involved in the energy internet transaction can include energy
producers, energy consumers, and energy production and sales. It can also be an energy
sales company or aggregator entrusted by it. The energy supplier is responsible for the
quality of energy supply.
5 Energy interaction
5.1 Energy interaction between electric energy storage and energy internet
5.1.1 Power regulation requirements
Electric energy storage shall have active power control, reactive power regulation and
power factor regulation capabilities and meet system functional requirements. The
electric energy storage connected to the public grid shall have both local and remote
reactive power control and voltage regulation functions.
5.1.2 Energy storage converter requirements
Under rated operating conditions, the rectification efficiency and inverter efficiency of
the energy storage converter shall be not less than 94%. The standby loss of the energy
storage converter shall not exceed 0.5% of the rated power. The no-load loss shall not
exceed 0.8% of rated power.
NOTE: Isolation transformer losses are not included when calculating the above efficiencies.
5.1.3 Requirements for dynamic response characteristics of energy storage
For electric energy storage connected to the public power grid with a voltage level of
10(6)kV and above, the dynamic response characteristics shall meet the following
requirements:
a) The charge/discharge response time of the power control of the energy storage
system is not more than 2s. The charge/discharge adjustment time is not more
than 3s. The charge to discharge conversion time, discharge to charge conversion
time is not more than 2s;
b) After the adjustment time, the deviation between the actual output curve of the
system and the dispatch instruction or planned curve is not more than ±2% of the
rated power.
5.1.4 Exception response request
When the voltage and frequency of the electrochemical energy storage system
connected to the public connection point are abnormal, it shall be able to operate in the
way specified in GB/T 34120.
5.1.5 Requirements for electrical power quality
The electric energy storage participating in the energy interaction of the energy internet
shall meet the following voltage quality requirements:
a) The harmonic voltage of the energy storage system connected to the public
connection point shall meet the requirements of GB/T 14549. The inter harmonic
voltage shall meet the requirements of GB/T 24337;
b) The voltage deviation of the energy storage system connected to the public
connection point shall meet the requirements of GB/T 12325;
c) The voltage fluctuation and flicker value of the energy storage system connected
to the public connection point shall meet the requirements of GB/T 12326;
d) The voltage unbalance of the energy storage system connected to the public
connection point shall meet the requirements of GB/T 15543;
e) The energy storage system connected to the public power grid through the voltage
level of 10(6)kV and above shall be equipped with a power quality monitoring
device that meets the requirements of GB/T 19862. When the power quality
indicators of the energy storage system do not meet the requirements, power
quality management equipment shall be installed.
5.1.6 Energy interaction interface requirements
The electric energy storage participating in the energy interaction of the energy internet
shall meet the following requirements for the energy interaction interface:
a) At the access point of the energy storage system, use easy-to-operate, latchable
circuit breakers with manual and automatic operation. At the same time, install
isolating switches with visual breakpoints;
b) The interface device of the energy storage system shall meet the withstand voltage
level of the electrical equipment of the corresponding voltage level;
c) The interface device of the energy storage system shall be able to resist the type
and level of electromagnetic interference specified in the following standards:
- The severity level specified in GB/T 17626.4 is level 4 fast burst interference;
- The severity level specified in GB/T 17626.2 is level 4 electrostatic discharge
disturbance;
- The severity level specified in GB/T 17626.3 is level 3 radio frequency
electromagnetic field interference.
6.2.1.2 The electric energy storage system can receive and execute the instructions of
the energy internet interactive platform. The instruction information includes but is not
limited to: start and stop of the energy storage system, power adjustment of the energy
storage system, and application strategy of the energy storage system.
6.2.2 Operation information of other types of energy storage
6.2.2.1 The information to be provided by the thermal storage device connected to the
energy internet includes: energy consumption, power consumption and heat production
of heating equipment such as combined cooling, heating and power, electric heat pumps
and boilers; heat storage equipment temperature and heat storage; heat consumption of
various heat loads; pressure, flow rate, flow rate of the heating pipeline as well as the
operating parameters and operating conditions of the heating equipment. The energy
internet can adjust the amount of heat generation and peak regulation for the interactive
heating system.
6.2.2.2 The information to be provided by the cold storage device connected to the
Energy internet includes: sum of electrical power, power consumption, and cooling
capacity of equipment that consumes electrical energy for cooling, such as electric
refrigeration; heat consumption and cooling capacity of absorption refrigeration
equipment; power consumption and cooling capacity of cold storage equipment;
cooling consumption of various cooling loads; pressure, flow rate, flow rate of the
cooling pipeline as well as the operating parameters and operating conditions of the
cooling equipment.
6.2.2.3 The information to be provided by the gas storage system connected to the
Energy internet includes: total gas supply volume of the gas system and the gas supply
volume of the on-demand graded metering; air supply and power consumption of
compressed air system; pressure, flow rate and flow of the gas supply pipeline, as well
as the operating parameters and operating conditions of the gas supply equipment.
6.2.3 Operation and maintenance information
The interactive operation and maintenance information between the energy storage
system and the energy internet generally includes but is not limited to: equipment
operation and online monitoring real-time data, operation and maintenance plan,
operation and maintenance work order, equipment account information, equipment
abnormal information, equipment defect information, fault elimination record, data
record analysis and status assessment.
6.3 Transaction information
6.3.1 The energy storage system transaction information based on the energy internet
platform shall include: basic information of parties involved in energy transactions in
the energy storage system, active/reactive power information, information on
application scenarios such as demand-side response and FM ancillary services, statistics
of unit price and total price of each transaction item.
6.3.2 Transaction rules and macro transaction information shall be queried on the
energy internet platform. The newly added rules and terms can be sent to the relevant
parties of the energy transaction by means of information push.
6.4 Information communication
6.4.1 The communication technology of energy storage system and energy internet shall
meet the following requirements:
a) The energy storage system and the energy internet interactive platform shall use
twisted pair, optical fiber Ethernet, wireless and so on to support the
interconnection. The communication protocol shall adopt GB/T 18657.5, IEC
61850 (all parts) standards and other protocols. Information exchange between
components shall comply with protocols such as IEC 61968 (all parts);
b) The energy storage system shall be able to network flexibly in the energy internet.
It shall be compatible with various Internet communication protocols such as
Hypertext Transfer Protocol (HTTP), Message Queuing Telemetry Transport
Protocol (MQTT), Constrained Application Protocol (CoAP);
c) The time synchronization, data collection, storage, calculation and analysis of
information interaction shall comply with the relevant provisions of GB/T 36270;
d) The real-time nature of information exchange shall comply with the relevant
provisions in GB/T 36274;
e) The anti-mistake blocking function of information exchange shall comply with
the relevant provisions in GB/T 36270. The rationality inspection of data
information shall comply with the relevant regulations in GB/T 31366 and GB/T
36270;
f) The interactive specification of energy and energy parameters such as cooling,
heating, gas, and fuel oil shall comply with the relevant provisions of national
standards such as GB 17167, GB/T 29873, GB/T 36674, and GB/T 36713.
6.4.2 The information security of energy storage system and energy internet shall meet
the following technical requirements:
a) The security of user data shall be guaranteed during the storage, transmission and
processing of information interaction. Prevent it from being stolen, modified,
destroyed or deleted by unauthorized users, and shall comply with the relevant
provisions in GB/T 20270;
b) The security requirements and security technical measures for the security
protection level of information interaction shall comply with the relevant
...... Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
|