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NB/T 33004-2013: Code for construction and completion acceptance of electric vehicle charging/battery swap infrastructure
---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/NBT33004-2013
ENERGY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 29.200
K 81
Registration number: 43504-2014
P NB/T 33004-2013
Code for construction and completion acceptance of
electric vehicle charging/battery swap infrastructure
ISSUED ON: NOVEMBER 28, 2013
IMPLEMENTED ON: APRIL 01, 2014
Issued by: State Energy Administration
Table of Contents
Foreword ... 4
1 General provisions ... 6
2 Basic requirement ... 7
2.1 Construction ... 7
2.2 Completion acceptance ... 9
3 Power-supply system ... 12
3.1 Construction ... 12
3.2 Completion acceptance ... 12
4 Charging system ... 14
4.1 Construction ... 14
4.2 Completion acceptance ... 14
5 Battery swap system ... 17
5.1 Construction ... 17
5.2 Completion acceptance ... 17
6 Monitoring system ... 19
6.1 Construction ... 19
6.2 Completion acceptance ... 19
7 Civil and other auxiliary infrastructures ... 21
7.1 Construction ... 21
7.2 Completion acceptance ... 21
8 Acceptance of documentation ... 23
8.1 Application documents ... 23
8.2 Technical documents ... 23
8.3 Report documents ... 23
9 Acceptance evaluation ... 25
Appendix A Report documents for the completion acceptance of
charging/battery swap infrastructures ... 26
Appendix B Outlines for the completion acceptance of charging/battery swap
infrastructures ... 29
Explanation of wording in this standard ... 39
List of reference standards ... 40
2 Basic requirement
2.1 Construction
2.1.1 The organizations engaged in the construction of electric vehicle
charging/swap facilities shall have the corresponding qualifications for the
construction of electric power facilities; the construction personnel shall have
corresponding qualifications. The construction and quality management of
charging/swap facilities shall have corresponding technical levels.
2.1.2 The construction organization shall establish and improve the
management system of construction technology, quality, safety production;
formulate various construction management regulations; implement them.
2.1.3 The construction organization shall, according to the contract documents,
design documents and relevant standards and norms, based on the
underground pipelines and other structures (construction) and construction
materials and engineering and hydrogeological data provided by the
construction organization, organize the relevant construction technology
management personnel to make a fact-finding trip to the site to grasp the actual
site conditions, thereby doing well in construction preparation work.
2.1.4 The construction organization shall familiarize with and review the
construction drawings; master the design intent and requirements; implement
self-audit, joint review (disclosure) and sign-off system; propose opinions and
recommendations when finding doubt or error of the construction drawing; if
design change is required, follow the corresponding procedure to apply for
review and sign-for-approval before implementation.
2.1.5 The construction organization shall prepare the construction program
before starting construction. The construction program must be implemented
after approval according to the prescribed procedures. If there is any change,
the change approval shall be handled.
2.1.6 Temporary facilities for construction shall be reasonably arranged
according to the characteristics of the project and have a general layout plan.
For projects that are not suitable for intermittent construction, there shall be
backup power and equipment.
2.1.7 Pipes, cables, members (fittings) and equipment used in the project must
be inspected and properly kept when they are mobilized into the construction
site. During mobilization acceptance, it shall check the order contract, quality
certificate, performance inspection report, instruction manual, commodity
inspection report and certificate of imported products. Follow relevant national
2.2 Completion acceptance
2.2.1 Completion acceptance of charging/swap facilities must comply with the
relevant requirements of electric power construction, acceptance and quality
inspection and evaluation standards and specifications, to ensure stable, safe
and reliable operation of the charging/swap facilities after commissioning.
2.2.2 The model, configuration, quantity, function, performance indicators of all
equipment and other related facilities such as AC charging pile, DC charger,
battery swap equipment, cable, etc. shall meet the requirements of technical
documents such as project contract and liaison meeting minutes, meanwhile
comply with the requirements of the relevant national standards and technical
specifications.
2.2.3 Completion acceptance of charging/swap facilities includes three aspects:
construction quality acceptance, non-energized equipment quality acceptance,
energized equipment operation acceptance.
2.2.4 Before the energized equipment is energized and accepted, the insulation
inspection of each circuit shall be carried out and recorded. The insulation
resistance value shall comply with the design requirements and relevant
standard specifications. When measuring insulation resistance, it shall take
measures to prevent damage to weak electrical equipment and electronic
components. When measuring the electrical insulation resistance value, the
voltage level of the insulation resistance meter used for measurement shall
comply with the relevant provisions of the current national standard GB 50150
Electric equipment installation engineering-standard for hand-over test of
electric equipment.
2.2.5 Before the energized equipment is energized and accepted, the reliability
of the grounding protection line connection of the equipment shall be checked.
The circuit with the residual current protection device shall be tested for
simulated action and recorded.
2.2.6 The items that cannot be tested at the time of completion acceptance may
be inspected via the inspection report as issued by the inspection & testing
institute as approved by the national authority as provided by the manufacturer
or the type test report.
2.2.7 The completion acceptance of electric vehicle charging/swap facilities
shall be carried out on the basis of the self-inspection by the construction
organization and shall meet the following requirements:
1 The construction quality of the project shall comply with the requirements of
this standard and relevant professional acceptance specifications;
3 Power-supply system
3.1 Construction
3.1.1 The power-supply system shall be installed and constructed in
accordance with the design drawings.
3.1.2 The installation of power-supply equipment shall be firm and reliable, with
clear identification and clean inside and outside.
3.1.3 The installation height of similar electrical equipment shall be consistent
when not specified by design.
3.1.4 The laying of cables shall be neatly arranged, firmly bundled, clearly
marked. The length of the terminations shall be left with a suitable margin, there
shall be no such phenomena as twisting, flattening and breakage of the
protective layer. When the cable is connected into the power-supply and the
electrical equipment cabinet, it shall be bundled and fixed; they shall not
generate additional stress to terminal or connector in the cabinet.
3.2 Completion acceptance
3.2.1 The type, main wiring and installation method of the transformer shall
comply with the relevant provisions of the current national standard GB 50053
Code for design of 10 kV and under electric substation and GB 50255 Code for
construction and acceptance of power conversion equipment electric
equipment installation engineering.
3.2.2 The installation of cabinets such as converter cabinets and control
cabinets shall comply with the relevant provisions of the current national
standard GB 50171 Code for construction and acceptance of switchboard outfit
complete cubicle and secondary circuit electric equipment installation
engineering.
3.2.3 The installation of the busbar device shall comply with the relevant
provisions of the current national standard GBJ 149 Erection works of electrical
installations - Code for construction and acceptance of bus-bar device.
3.2.4 The wiring and phase sequence of low-voltage wiring shall comply with
the relevant provisions of the current national standard GB 50575 Code for
construction and acceptance of 1kV and blow wiring work.
3.2.5 The selection of low-voltage isolating appliances and conductors, the
layout of power distribution equipment, the protection of power distribution lines,
4 Charging system
4.1 Construction
4.1.1 The installation and construction of the charging equipment shall meet the
design requirements. It shall strictly follow the work drawing to perform
installation and wiring.
4.1.2 The charging equipment shall be grounded reliably.
4.1.3 After the charging equipment is installed, the cable trench (tube) shall be
reliably sealed.
4.2 Completion acceptance
4.2.1 The completion acceptance of AC charging piles shall meet the following
requirements:
1 The basic composition, appearance and structure shall comply with the
relevant provisions of the current industry standard NB/T 33002 Specification
for electric vehicle AC charging point;
2 The pile shall identify the explanatory text and graphics of the relevant
operation in a conspicuous position;
3 Human-computer interaction, card-swiping payment, communication, security
protection and self-checking functions shall comply with the relevant
provisions of the current industry standard NB/T 33002 Specification for
electric vehicle AC charging point;
4 Environmental conditions, power requirements, environmental performance,
electric shock protection, clearance and creepage distance, electrical
insulation performance, electromagnetic compatibility performance, mean
time between failure, other performance parameters shall comply with the
current industry standard NB/T 33002 Specification for electric vehicle AC
charging point;
5 Charging sockets shall comply with the current national standard GB/T 20234.
Connection set for conductive charging of electric vehicles - Part 1: General
requirements and GB/T 20234.2 Connection set for conductive charging of
electric vehicles - Part 2: AC charging coupler;
6 The electric energy measurement of AC charging piles shall comply with the
relevant provisions of the current national standard GB/T 28569 Electric
7 The energy measurement of the off-board charger shall comply with the
relevant provisions of the current national standard GB/T 29318 Electric
energy metering for electric vehicle off-board charger.
4.2.3 The completion acceptance of the charger for the battery swap station
shall meet the following requirements:
1 The technical parameters of the charger shall match the battery box being
charged;
2 The cable connection between the charger and the charging rack shall be
fixed;
3 The charger shall have status indications such as standby, charging, full, as
well as operating parameter display functions such as output voltage and
output current;
4 The charger shall have the protective functions of input over/under voltage,
input over current, output over voltage, output over current, over temperature,
etc. It has the ability to judge the abnormal state of the battery box and
automatically adjust the working mode;
5 The environmental conditions, power requirements, environmental
performance, electric shock protection, clearance and creepage distance,
electrical insulation performance, electromagnetic compatibility performance,
mean time between failures, other performance parameters of the charger
can be referred to the current industry standard NB/T 33001 Specification for
electric vehicle off-board conductive charger;
6 The charger shall have the function of communicating with the monitoring
system and communicating with the battery management system through the
charging rack. The communication protocol with the monitoring system shall
comply with the current industry standard NB/T 33007 Communication
protocol between monitoring system in electric vehicle charging
station/battery swap station and charging/battery swap equipment;
7 The charger shall be properly arranged in the station to facilitate ventilation
and heat dissipation.
4.2.4 The lightning protection grounding of charging equipment shall comply
with the relevant provisions of the current national standard GBJ 65
Specifications for the design of grounding (earthing) of industrial and civil
electric system.
6 Monitoring system
6.1 Construction
6.1.1 Equipment such as computers, networks and communications shall be
installed and constructed in accordance with the construction drawings.
6.1.2 The pre-burial, installation, joint, sealing and bridging of the pipe trough
shall comply with the relevant provisions of the current national standard GB
50303 Code for acceptance of construction quality of building electrical
engineering and GB 50093 Code for construction and quality acceptance of
automation instrumentation engineering.
6.2 Completion acceptance
6.2.1 The monitoring system shall have the following functions:
1 Monitor and control the power-supply status, power quality, operating status
of the power-supply equipment;
2 Monitor and control the charging process of the charging equipment;
3 Monitor and control the operation process of the battery swap equipment;
4 Perform video surveillance, access control, etc. for charging/swap facilities;
5 Communicate with the superior monitoring management system and accept
the instructions of the superior monitoring management system;
6 Store and manage the operating data of subsystems and equipment such as
power-supply, charging, battery swap; upload them to the superior monitoring
management system as needed.
6.2.2 The communication protocol between the monitoring system and the
charging/swap equipment shall comply with the relevant provisions of the
current industry standard NB/T 33007 Communication protocol between
monitoring system in electric vehicle charging station/battery swap station and
charging/battery swap equipment.
6.2.3 The laying, leading in, connection of cables of the monitoring system shall
comply with the relevant provisions of the current national standard GB 50093
Code for construction and quality acceptance of automation instrumentation
engineering and GB 50312 Code for engineering acceptance of generic cabling
system.
7 Civil and other auxiliary infrastructures
7.1 Construction
7.1.1 Engineering survey shall comply with the relevant provisions of the current
national standard GB 50026 Code for engineering surveying.
7.1.2 The construction of earthwork shall comply with the relevant provisions of
the current national standard GB 50202 Standard for acceptance of
construction quality of building foundation.
7.1.3 The construction of the concrete floor in the station area shall comply with
the relevant provisions of the current industry standard JTJ 033 Technical
specification for construction of highway subgrades and JTJ 034 Technical
specifications for construction of highway road-bases.
7.1.4 The foundation, structural column, ring beam, formwork, steel bar and
concrete of the station building and other ancillary buildings shall conform to
the current national standard GB 50202 Standard for acceptance of
construction quality of building foundation and GB 50204 Code for quality
acceptance of concrete structure construction.
7.1.5 The construction of anti-seepage concrete shall comply with the relevant
provisions of the current national standard GB 50108 Technical code for
waterproofing of underground works.
7.1.6 The construction of fire protection coatings for buildings and steel
structures is to comply with the design documents and product instructions.
7.1.7 The fabrication and installation of steel structures shall comply with the
relevant provisions of the current national standard GB 50205 Code for
acceptance of construction quality of steel structures.
7.1.8 The installation and construction of electrical lighting devices shall comply
with the relevant provisions of the current national standard GB 50259 Code for
construction and acceptance of electric lighting device electric equipment
installation engineering.
7.2 Completion acceptance
7.2.1 The masonry work of the station building and other ancillary buildings shall
comply with the relevant provisions of the current national standard GB 50203
Code for acceptance of constructional quality of masonry structures.
8 Acceptance of documentation
8.1 Application documents
The application documents shall include the following documents:
1 Technical documents such as product specifications, commissioning outlines,
test methods, test records, certificates of conformity, installation drawings as
provided by the manufacturer;
2 Exit-factory acceptance report of relevant equipment (including exit-factory
certificate and quality certificate, etc.);
3 Installation records;
4 On-site installation and commissioning report;
5 List of spare parts provided under the contract;
6 Acceptance application.
8.2 Technical documents
The technical documents shall include the following documents:
1 Minutes of meeting of design liaison;
2 Design documents and design change (effective in case of design changes,
submitted by the design organization);
3 Project as-built drawings;
4 Disclosure records of installation technology;
5 Adjustment test record.
8.3 Report documents
The report documents shall include the following:
1 Acceptance conclusions;
2 Acceptance test records (including test outline);
3 Acceptance test statistics and analysis report;
Appendix B
Outlines for the completion acceptance of charging/battery swap
infrastructures
B.1 Overview
In order to further standardize the construction of electric vehicle charging/swap
facilities, ensure the construction quality of charging/swap facilities,
comprehensively improve the construction and management level of
charging/swap facilities, the Outlines for the completion acceptance of
charging/battery swap infrastructures are hereby compiled.
After the completion of the construction of the charging/swap facilities project,
the construction management organization shall organize the relevant
supervision department, the project construction organization and the
equipment supplier to jointly undertake the completion acceptance of the
project, follow the Code for construction and completion acceptance of electric
vehicle charging/battery swap infrastructure and this Outline to compile the site
acceptance report. It can only be put into operation after passing the
acceptance.
The preparation of this Outline is mainly based on the Code for construction
and completion acceptance of electric vehicle charging/battery swap
infrastructure as well as the references in this Code.
B.2 Basis of acceptance
GBJ 65 Specifications for the design of grounding (earthing) of industrial and
civil electric system
GBJ 149 Erection works of electrical installations - Code for construction and
acceptance of bus-bar device
GB/T 3811 Design rules for cranes
GB 6067 Safety rules for lifting appliances
GB 17945 Fire emergency lighting and evacuate indicating system
GB/T 20234.1 Connection set for conductive charging of electric vehicles - Part
1: General requirements
GB/T 20234.2 Connection set for conductive charging of electric vehicles - Part
2: AC charging coupler
GB 50205 Code for acceptance of construction quality of steel structures
GB 50207 Code for acceptance of construction quality of roof
GB 50209 Code for acceptance of construction quality of building ground
GB 50210 Standard for construction quality acceptance of building decoration
GB 50242 Code for acceptance of construction quality of water supply drainage
and heating works
GB 50255 Code for construction and acceptance of power conversion
equipment electric equipment installation engineering
GB 50259 Code for construction and acceptance of electric lighting device
electric equipment installation engineering
GB 50303 Code for acceptance of construction quality of building electrical
engineering
GB 50312 Code for engineering acceptance of generic cabling system
GB 50575 Code for construction and acceptance of 1kV and blow wiring work
GB/T 29317 Terminology of electric vehicle charging/battery swap infrastructure
DL/T 448 Technical administrative code of electric energy metering
DL/T 621 Grounding for AC electrical installations
DL 5027 Typical extinguishing and protection regulation of electrical equipment
JTJ 033 Technical specification for construction of highway subgrades
JTJ 034 Technical specifications for construction of highway road-bases
NB/T 33001 Specification for electric vehicle off-board conductive charger
NB/T 33002 Specification for electric vehicle AC charging point
NB/T 33007 Communication protocol between monitoring system in electric
vehicle charging station/battery swap station and charging/battery swap
equipment
B.3 Acceptance items and acceptance methods
B.3.1 Acceptance of power-supply system (see Table B.1)
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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