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Electrical Connection
Requirments for battery connection
• Battery
»
SolaX lithium-ion battery or lead-acid battery
»
Max charge and discharge current is 30 A.
»
Make sure the input voltage of BAT terminal is higher than minimum voltage
120 V (180 V for 5.5 kW and 8.3 kW inverter) and lower than maximum input
voltage 800 V (650 V for 5.5 kW and 8.3 kW inverter).
• Micro circuit breaker (MCB)
»
If the battery is integrated with a readily accessible internal DC breaker, no
additional DC breaker is required. If local regulations mandate the use of a
DC MCB between the battery and the inverter, install a non-polar DC MCB.
»
The nominal voltage of DC MCB should be larger than maximum voltage of
battery.
»
See documentations of battery for more details.
• Battery configuration information
Table 8-5 Battery configuration information
Supported battery model Battery control Battery pack
T-BAT SYS-HV-5.8 T-BAT 5.8 (1 pc) HV11550 (1~3 pcs)*
T-BAT SYS-HV-3.0 MC0600 (1 pc) HV10230 (2~4 pcs)
T-BAT-SYS-HV-R2.5 TBMS-MCR0800 (1 pc) TP-HR25 (4~13 pcs)**
T-BAT-SYS-HV-R3.6 TBMS-MCR0800 (1 pc) TP-HR36 (4~13 pcs)**
T-BAT-SYS-HV-S2.5 TBMS-MCS0800 (1 pc) TP-HS25 (3~13 pcs)***
T-BAT-SYS-HV-S3.6 TBMS-MCS0800 (1 pc) TP-HS36 (3~13 pcs)***
* HV11550 battery packs have V1 and V2 versions, V1 and V2 with the same
number of inverters, the specific collocation refers to the relevant part of the
battery manual.
** For X3-Hybrid-5.5-D LV and X3-Hybrid-8.3-D LV inverters, only 4~12 pieces
of battery packs ( TP-HR25 / TP-HR36 ) and one piece of battery control (TBMS-
MCR0800) can be installed together with an inverter.
*** For X3-Hybrid-5.5-D LV and X3-Hybrid-8.3-D LV inverters, only 4~12 pieces
of battery packs ( TP-HS25 / TP-HS36 ) and one piece of battery control (TBMS-
MCS0800) can be installed together with an inverter.
For T-BAT-SYS-HV-S2.5 and T-BAT-SYS-HV-S3.6, three pieces of battery packs
with one piece of battery control is the minimum quantity to be installed with
an inverter. If there is no PV input and the total voltage of the system with three
battery packs is at a minimum of 127 V, the system will not operate.
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