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5.1.2.2. Maximum Stack Deployment
G5 Cell Interface modules are deployed as a daisy chain to monitor the cells of a stack. G5 Stack
Switchgear can support a maximum of 20 G5 Cell Interface modules.
Limits Due to Cell Voltage Scan Rate
The required scan rate of the cell voltage measurements for a stack will determine the maximum
number of G5 Cell Interface modules that the G5 Stack Switchgear can support for that stack
configuration.
The following are approximate cell voltage scan rates for different lengths of G5 Cell Interface daisy
chains where all cells are installed.
5.1.3. Environmental Conditions
The Nuvation Energy G5 High-Voltage BMS environmental conditions are captured in the table below.
For transportation, it is recommended that the G5 Stack Switchgear be shipped in its original
packaging via pallet whenever possible.
Symbol
Parameter
Operating Temperature
T
a
Storage Temperature
Operational Relative Humidity
RH
Storage Relative Humidity
Vertical
Vertical shock/vibration (SAE J2380)
Longitudinal
Longitudinal shock/vibration (SAE J2380)
Transverse
Transverse shock/vibration (SAE J2380)
Pulse vibration
On each axis (SAE J2464)
Document ID: NE-DS-011
Nuvation Energy G5 High-Voltage BMS - NUVG5 Product Manual
Table 9. Cell Voltage Scan Rates for CI-24
CI-24 Chain
Length
1
5
10
15
20 (max)
Thermal Specifications
Humidity Specifications
Shock and Vibration Specifications
Scan Rate [Hz]
4.43
3.20
2.38
1.88
1.51
Min
-20
-30
5
5
-
-
-
-
41
Unit
Typ
Absolute Max
25
60
25
60
-
85
-
85
-
10
m/s
-
10
m/s
-
10
m/s
-
245
m/s
Rev 1.0, 2023-05-19
G5 Faraday
s
°C
°C
%
%
2
2
2
2
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