Others; Protection - Epever MPPT User Manual

4 Others

4.1 Protection

Protection
PV limit
Current/limit power
protection
PV short circuit
protection
PV reverse polarity
protection
Night reverse
charging protection
Battery reverse
protection
Battery over voltage
protection
Battery over
discharging
protection
Battery over heating
protection
Lithium battery low
temperature
protection
Load short circuit
protection
When the charging current/power of the PV array exceeds
the rated charging current/power, the PV array will charge
the battery as per the rated charging current/power.
When not in the PV charging state, the controller will not be
damaged in the case of a short-circuiting in the PV array.
When the polarity of the PV array is reversed, the controller
may not be damaged and resume normal operation after
the mis-wiring is corrected.
NOTE: If the PV array is reversed and the actual power of the PV array is
1.5 times the rated power of the controller, the controller will be
damaged.
Prevent the battery from discharging to the PV module at
night.
When the polarity of the battery is reversed, the controller
may not be damaged and resume normal operation after
the mis-wiring is corrected.
NOTE: Limited to the characteristic of lithium battery, when the PV array
connection right and battery connection reversed, the controller will be
damaged.
When the battery voltage reaches the over voltage
disconnect voltage, the PV array will automatically stop
charging the battery to prevent battery damage due to over
charging.
When the battery voltage reaches the low voltage
disconnect voltage,
automatically stopped to prevent battery damage due to
over discharging.
The controller detects the battery temperature through an
external temperature sensor. The battery will stop working
when its temperature exceeds 65 ° C and will resume when
its temperature is below 55 ° C.
When the temperature detected by the temperature sensor
is lower than the Low Temperature Protection Threshold
(LTPT), the controller will stop charging and discharging
automatically. When the detected temperature is higher
than the LTPT, the controller will be working automatically
(The LTPT is 0 ° C by default and can be set within the
range of 10 ~ -40 ° C).
When the load is short-circuited, the controller will cut off
the output and automatically resume the output when the
short circuit is released.
Instruction
battery discharging
25
will be