The above parameters are calculated under the STC (Standard Test
Condition)--module temperature 25℃, air mass1.5, irradiance 1000W/m2.)
The above parameters are calculated under the STC (Standard Test
Condition)--module temperature 25℃, air mass1.5, irradiance 1000W/m2.)
(2) Max. PV Array Power
The MPPT controller has the function of current/power-limiting. Namely, when the charging current or
power exceeds the rated value, the controller will automatically reduce the actual charging current or
power to the rated value. The function can effectively protect the charging parts of the controller and
prevent damages to the controller due to the connection of some over-specification PV modules. The
actual PV array running status shows as below:
Condition 1: Actual charging power of the PV array ≤ Rated charging power of the controller
Condition 2: Actual charging current of the PV array ≤ Rated charging current of the controller
When the controller operates under "Condition 1" or "Condition 2", it will carry out the charging as per the
actual current or power; at this time, the controller can work at the maximum power point of the PV array.
The controller may be damaged when:
1. The PV module's power is not greater than the rated charging power.
2. The PV array's maximum open-circuit voltage is more than
60(Tracer**06AN)/100V(Tracer**10AN)(at the lowest environmental temperature).
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