GB/T 42737-2023 PDF English
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Code for commissioning of electrochemical energy storage station
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GB/T 42737-2023: Code for commissioning of electrochemical energy storage station---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT42737-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.180
CCS F 19
Code for Commissioning of Electrochemical Energy Storage
Station
Issued on. DECEMBER 28, 2023
Implemented on. JULY 1, 2024
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... 7
4 General Requirements... 7
5 Subsystem Commissioning... 8
6 Joint Commissioning... 41
Appendix A (informative) Commissioning Record... 51
Appendix B (informative) Commissioning Report... 52
1 Scope
This document specifies the commissioning items, methods and technical requirements for the
joint commissioning of subsystems and the whole station of electrochemical energy storage
station (abbreviated as the “energy storage station”), including energy storage system,
monitoring system, power transformation and distribution system, relay protection and
automatic safety devices, communication and dispatching automation systems, station power
supply, etc.
This document is applicable to the commissioning of subsystems and joint commissioning of
the whole station of newly built, rebuilt and expanded electrochemical energy storage stations
with lithium-ion batteries, lead-acid (carbon) batteries, sodium-ion batteries, flow batteries,
water electrolysis hydrogen production / fuel cells as energy storage carriers.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB/T 156 Standard Voltages
GB/T 1980 Standard Frequencies
GB/T 7261 Basic Testing Method for Relaying Protection and Security Automatic Equipment
GB/T 14285 Technical Code for Relaying Protection and Security Automatic Equipment
GB/T 19774 Specification of Water Electrolyte System for Producing Hydrogen
GB/T 20297 Static Var Compensator Field Tests
GB/T 24554 Performance Test Methods for Fuel Cell System
GB/T 26862 Test Specification for Synchrophasor Measurement Unit for Power Systems
GB/T 27748.1 Stationary Fuel Cell Power Systems - Part 1.Safety
GB/T 27748.4 Stationary Fuel Cell Power Systems - Part 4.Performance Test Methods for
Small Fuel Cell Power Systems
GB/T 29838 Fuel Cell Modules
GB/T 30137 Power Quality - Voltage Dips and Short Interruptions
GB/T 33602 General Service Protocol for Electric Power System
GB/T 34120 Technical Requirements for Power Conversion System of Electrochemical Energy
Storage System
GB/T 34131 Battery Management System for Electrical Energy Storage
GB/T 34133 Testing Code for Power Conversion System of Energy Storage System
GB/T 34583 Safety Technical Requirements for Hydrogen Storage Devices Used in Hydrogen
Fueling Station
GB/T 34872 Technical Requirements of Hydrogen Supply System for Proton Exchange
Membrane Fuel Cells
3 Terms and Definitions
The terms and definitions defined in DL/T 2528 are applicable to this document.
4 General Requirements
4.1 The commissioning of the energy storage station includes subsystem commissioning and
joint commissioning. Joint commissioning is carried out after the subsystem commissioning is completed.
4.2 The commissioning outline, commissioning scheme and emergency plan shall be prepared
for the commissioning of the energy storage station.
4.3 Before the grid-involved commissioning of the energy storage station, an application shall
be submitted to the grid dispatching institution, and the commissioning may be implemented
upon receiving approval.
4.4 The commissioning safety of the energy storage station shall comply with the provisions of
GB/T 42288, and temporary fire-fighting facilities and emergency materials shall be equipped.
4.5 The commissioning personnel shall be familiar with the working principle and structure of
the equipment of the energy storage station, as well as the commissioning procedures,
commissioning quality standards and safety work procedures, and can correctly use tools,
instruments and apparatus, and safety protection equipment.
4.6 The tools, instruments and apparatus, and safety protection equipment used for the
commissioning of the energy storage station shall be inspected and calibrated, and within the
validity period.
4.7 Records shall be kept during the commissioning of the energy storage station, and a
commissioning report shall be prepared after the commissioning is completed. The contents of
the commissioning records and commissioning report are respectively shown in Appendix A and Appendix B.
5 Subsystem Commissioning
5.1 General Requirements
5.1.1 The subsystem commissioning of the energy storage station shall include commissioning
items, such as the energy storage system, monitoring system, power transformation and
distribution system, relay protection and automatic safety devices, communication and
dispatching automation systems, and station power supply, etc.
5.1.2 The subsystem commissioning of the energy storage station shall meet the following
conditions.
a) The equipment is installed, the wiring is correct and firm, the numbering and
identification are clear and correct, and the specifications and models meet the design
requirements;
b) The equipment type test report, exit-factory test report, technical instruction, design
documents, construction and installation records and spare parts shall be complete;
c) The voltage and frequency of the temporary power supply equipment on site comply
with the provisions of GB/T 156 and GB/T 1980, and the capacity meets the
commissioning requirements.
5.1.3 The heating, ventilation and air conditioning system, fire protection system, video and
computer room environment monitoring system of the energy storage station are installed and
meet the commissioning conditions.
5.1.4 Before the subsystem commissioning of the energy storage station, the commissioning
personnel shall review the equipment specifications and models, electrical wiring, basic
functions and safety performance.
5.2 Energy Storage System
5.2.1 Commissioning of lithium-ion battery, lead-acid (carbon) battery and sodium-ion
battery array
5.2.1.2 Insulation resistance
The insulation resistance test is carried out in accordance with the following steps.
a) Disconnect the switch on the DC side of the battery array and the converter, and
confirm that there is no short circuit between the positive and negative poles of the
battery array;
b) Disconnect the wiring between the positive and negative poles of the battery array
and the external device, and short-circuit or remove the elements that cannot
withstand the test voltage;
c) Confirm that the DC bus of the battery array is connected;
d) Respectively detect the insulation resistance between the positive pole of the battery
array and the external exposed conductive part, and between the negative pole of the
battery array and the external exposed conductive part, and record the detection
results;
e) Restore the wiring between the positive and negative poles of the battery array and
the external device, and the short-circuited or removed elements.
5.2.1.3 Cooling / heating system
The commissioning of the cooling / heating system is carried out in accordance with the
following steps.
a) Confirm that the cooling / heating system has the conditions for starting and operating;
b) Start the cooling / heating system and confirm that the cooling / heating system is
normally operating;
c) When the cooling / heating system adopts air cooling, change the cooling and heating
5.2.1.4 Commissioning of battery management system
5.2.1.4.1 Insulation Resistance
The insulation resistance test is carried out in accordance with the following steps.
a) Disconnect the power switch of the battery management system;
b) Disconnect the battery management system from the external wiring, short-circuit or
remove the elements that cannot withstand the test voltage;
c) Respectively detect the insulation resistance between the acquisition terminal and the
grounding terminal, between the communication terminal and the grounding terminal,
and between the power supply terminal and the communication terminal, with the
battery management system connected to the battery, and record the detection results;
d) Restore the external wiring of the battery management system, and the short-circuited
or removed elements.
5.2.1.4.2 Communication function
The commissioning of communication function is carried out in accordance with the following
steps.
a) Disconnect the switch on the DC side of the battery array and the converter;
b) Start the battery management system and related equipment and confirm that
communication is normal;
c) Through the signal generation device, send and receive the unique message code or
related commands, and confirm that the serial port and network port messages, and
the communication function of the battery management system and the monitoring
system, energy storage converter, battery management system of other levels, fire
protection system, heating, ventilation and air conditioning systems satisfy the
requirements of GB/T 43528;
d) Clear the information of the messages and commands, close the switch on the DC
side of the battery array and the converter, and turn off the battery management system
and related equipment.
5.2.1.4.5 Battery energy status and voltage extreme difference
The commissioning of battery energy status and voltage extreme difference is carried out in
accordance with the following steps.
a) Start the battery management system and confirm that the battery management system
normally displays without alarms;
b) Respectively in the charging and discharging states, read the battery energy status and
voltage extreme difference values of the battery management system, and confirm
that the results are consistent with the requirements of GB/T 34131 and GB/T 36276;
c) Turn off the battery management system.
5.2.1.4.6 Alarm and protection functions
The commissioning of alarm and protection functions is carried out in accordance with the
following steps.
a) Disconnect the switch on the DC side of the battery array and the converter, and start
the battery management system;
b) Through the signal simulation device, send the voltage over-limit, voltage deviation
over-limit, cluster current over-limit, temperature over-limit, battery cell temperature
difference over-limit within the cluster, insulation resistance over-limit, voltage
acquisition line abnormality, temperature acquisition line abnormality, battery cluster
charge and discharge circuit abnormality, inter-battery cluster circulation status,
communication abnormality and other commands of the battery management system,
and confirm that the alarm and protection functions of the battery management system
are normal;
c) Clear the fault signal of the battery management system and reset it, close the switch
on the DC side of the battery array and the converter, and turn off the battery
management system.
6 Joint Commissioning
6.1 General Requirements
6.1.1 The joint commissioning of the energy storage station shall include commissioning items,
such as. start / stop, charge / discharge, on-grid / off-grid, active power control, reactive power
control, energy conversion efficiency, fault ride-through, grid adaptability, primary frequency
modulation, inertia response and power quality, etc.
6.1.2 The joint commissioning of the energy storage station shall formulate joint commissioning
schemes, safety measures, and emergency plans.
6.1.3 Before joint commissioning of the energy storage station, the following conditions shall be met.
a) The subsystem commissioning of the energy storage station is completed;
b) The communication commissioning of the energy storage station is completed, and
the communication network and system consistency, interfaces, protocols and
functions, network security, and reliability satisfy the requirements of grid connection;
c) The protection commissioning of the energy storage station is completed, and the
protection strategy, logic, and setting of fixed values satisfy the requirements of grid
connection;
d) The application for joint commissioning of the energy storage station and the
commissioning scheme are approved by the dispatching institution.
6.2 On-grid / off-grid mode
The commissioning of on-grid / off-grid is carried out in accordance with the following steps.
a) Confirm that the monitoring system, power transformation and distribution system,
relay protection and automatic safety devices, communication and dispatching
automation systems, station power supply and other systems have the conditions for
on-grid operation;
b) Start the monitoring system, power transformation and distribution system, relay
protection and automatic safety devices, communication and dispatching automation
systems, station power supply and other systems, and confirm that the equipment
parameters are on-grid operation parameters, and that the operation is normal and
without alarms;
c) Through the monitoring system, issue the grid-connection switch closing command
and confirm that the energy storage station is switched to the on-grid operation mode,
and the equipment involved in the commissioning is normally operating, and that
there are no alarms or abnormalities;
d) Through the monitoring system, issue the energy storage converter grid-connection
switch closing command, and confirm that the energy storage converter is in the on-
grid operation state and normally operating, and that there are no alarms or
abnormalities;
e) Adjust the energy storage station to the charge mode;
f) Through the monitoring system, issue the low-load active power command, and
confirm that the energy storage station is normally operating, and that there are no
alarms or abnormalities;
g) Adjust the operating power of the energy storage station to 0, disconnect the grid-
connection switch of the energy storage station, and confirm that the energy storage
station is in the off-grid state and normally operating, and that there are no alarms or
abnormalities;
h) Adjust the energy storage station to the discharge mode;
i) Repeat steps c) ~ d) and f) ~ g) to complete the on-grid / off-grid commissioning in
the discharge mode;
j) Restore the energy storage station to the initial operation state.
6.3 Start / stop
The commissioning of start / stop is carried out in accordance with the following steps.
a) Confirm that the monitoring system, power transformation and distribution system,
relay protection and automatic safety devices, communication and dispatching
automation systems, station power supply and other systems have the conditions for
on-grid operation;
b) Start the monitoring system, power transformation and distribution system, relay
protection and automatic safety devices, communication and dispatching automation
systems, station power supply and other systems, and confirm that the equipment
parameters are on-grid operation parameters, and that the operation is normal and
without alarms;
c) Through the monitoring system, issue the grid-connection switch closing command,
and confirm that the energy storage station is switched to the on-grid operation mode,
and the equipment involved in the commissioning is normally operating, and that
there are no alarms or abnormalities;
d) Adjust the energy storage station to the charge mode;
e) Through the monitoring system, issue the low-load active power command of the
energy storage station, and confirm that the energy storage converter is in the on-grid
state, and that the startup is normal, without alarms or abnormalities;
f) Through the monitoring system, issue the shutdown command of the energy storage
station, and confirm that the energy storage converter is in the off-grid state, and that
there are no alarms or abnormalities;
g) Through the monitoring system, send the energy storage station rated active power
command, and confirm that the energy storage converter is in the on-grid state, and
that the startup is normal, and without alarms or abnormalities;
h) Through the monitoring system, send the energy storage station shutdown command,
and confirm that the energy storage converter is in the off-grid state, and that there
are no alarms or abnormalities;
i) Adjust the energy storage station to the discharge mode;
j) Repeat steps e) ~ h) to complete the start / stop commissioning in the discharge mode;
k) Restore the energy storage station to the initial operation state.
6.4 Active Power Regulation Capability
6.4.1 In-station dynamic joint commissioning
6.4.1.1 Open-loop control
The commissioning of open-loop control is carried out in accordance with the following steps.
a) The energy storage station and the equipment involved in commissioning are in the
on-grid state. Confirm that the equipment parameters are adjusted to the on-grid
operation parameters, and that the operation is normal, and without alarms or
abnormalities, and the communication function is normal;
b) Adjust the AGC control mode of the energy storage station to local control, and the
AGC control mode to manual control;
c) Put the AGC function of the whole station into operation and exit the AGC closed-
loop control function;
d) Send the active power target value, and confirm that the AGC power allocation
strategy and control logic satisfy the relevant technical requirements;
e) Send the active over-limit and over-step commands, check the adjustment strategy of
the alarm text, and confirm that the AGC open-loop adjustment logic is correct;
f) Restore the energy storage station to the initial operation state.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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