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NB/T 33026-2016 PDF in English


NB/T 33026-2016 (NB/T33026-2016, NBT 33026-2016, NBT33026-2016)
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NB/T 33026-2016: PDF in English (NBT 33026-2016)

NB/T 33026-2016
NB
ENERGY INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.99
T 35
Record No.. 54743-2016
Technical requirements for
modularized battery pack cabin of EV
ISSUED ON. FEBRUARY 5, 2016
IMPLEMENTED ON. JULY 1, 2016
Issued by. National Energy Administration of China
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Basic composition ... 5 
5 General requirements ... 5 
6 Marks, transport, storage... 9 
Technical requirements for
modularized battery pack cabin of EV
1 Scope
This Standard specifies the basic composition, general requirements, marks,
transport and storage for modularized battery pack cabin of EV (hereinafter
referred to as the battery pack cabin).
This Standard is applicable for the design, manufacture, use of the battery pack
cabin.
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 4208-2008, Degrees of protection provided by enclosure (IP Code)
GB 7251.1-2013, Low-voltage switchgear and control gear assemblies - Part
1. General rules
GB 7251.3-2006, Low-voltage switchgear and control gear assemblies - Part
3. Particular requirements for Low-voltage switchgear and control gear
assemblies intended to be installed in places where unskilled persons have
access for their use - Distribution boards
GB/T 19596-2004, Terminology of electric vehicles
GB/T 29317-2012, Terminology of electric vehicle charging/battery swap
infrastructure
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T
19596-2004 and GB/T 29317-2012 as well as the followings apply.
3.1 swappable battery pack
a battery pack that is installed on the bottom, side, or end of an electric vehicle,
consists of a number of individual batteries or battery modules, housings,
electronic control units, and related electrical and mechanical accessories, and
enables rapid replacement
3.2 modularized battery pack cabin
a device that carries a certain number of battery packs, with thermal
management, communications, monitoring, using dedicated charging cable
and modular charging compartment for quick connection
3.3 modularized charging cabin
a device that has a certain number of built-in non-car chargers, with thermal
management, communications, monitoring, using dedicated charging cable
and modular charging compartment for quick connection to complete the
charging the battery compartment in the modularized battery pack cabin
(hereinafter referred to as the charging cabin)
4 Basic composition
The battery pack cabin shall consist of a cabin body, a battery storage shelf, a
lock mechanism, a guiding and positioning device, a battery pack connector
socket, a local monitoring unit, electrical and mechanical accessories, etc.
5 General requirements
5.1 Conditions of use
5.1.1 Working environment
a) Temperature. -20°C ~ +50°C;
b) Relative Humidity. 5% ~ 95%;
c) Altitude.2000m and below;
d) There must be no dangerous medium for explosion in the place of use,
and there is no harmful gas and conductive medium that is corrosive and
destroys insulation around it;
e) When using the battery pack cabin under special circumstances, the user
shall determine with the manufacturer.
NOTE When it is used at higher altitudes, consider the effects of reduced dielectric
strength, device breaking capacity, and reduced air cooling effects.
5.5.3.2 Test voltage value
According to the sites listed in 5.5.3.1, the frequency withstand voltage test with
frequency of 50Hz ± 5Hz shall be carried out for 1 min (DC voltage may also
be used, and the test voltage shall be 1.4 times the effective value of AC
voltage). Breakdown or flashover shall not occur, and the test voltage shall
comply with the requirements of Table 2.
5.5.4 Grounding requirements
a) The metal shell shall be provided with a grounding bolt, the diameter shall
not be less than 8mm, and there shall be a grounding mark;
b) The metal separators with insulated conductors, the metal housing of the
electrical components, and metal handles shall be effectively grounded.
The continuity resistance shall not exceed 0.1Ω;
c) Doors, covers, sheathings and similar parts shall be connected by a
protective conductor and a main frame. The cross-sectional area of the
protective conductor shall not be less than 2.5 mm2;
d) All connections to the ground bus and the battery pack cabin shall be clear
of the spray paint or shall penetrate the insulation to ensure an effective
electrical connection.
5.5.5 Electric shock protection
The electric shock protection of the battery pack cabin shall comply with the
provisions in 8.4 of GB 7251.1-2013 and GB 7251.3-2006.
5.6 Noise
Under the normal working condition of the battery pack cabin, when the ambient
noise is less than 40dB(A), the noise limit shall not exceed 65dB(A).
6 Marks, transport, storage
6.1 Marks
The product's marks shall be clear, distinct and solid, containing.
a) manufacturer's name and trademark.
b) product model and name.
c) product specifications, parameters.
d) date of manufacture.
......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.