www.uniteck.fr
21/49
EN
INTEGRATED PROTECTIONS
HOT SPOTS PROTECTIONS
UNISUN MS solar panels are equipped with anti-hot spots diode directly
integrated in the junction box.
A shadow, a leaf, or a piece of rope can mask a cell completely. This last
becomes a “hot spot”, receiving the current from all the other cells of the series.
Cell voltage= 0,5V
Maximal accepted voltage= 10V
Over 10V, the cell starts to heat up, causing damages which can lead to fire.
To protect against this phenomenon, the protection diodes integrated in the
UNISUN MS junction box block the current in the masked cell series, avoiding any
overvoltage cell.
Please note that any modification or suppression of panels connections (connectors,
junction box) excludes any coverage under warranty.
RETURN CURRENT PROTECTIONS
UNISUN MS panels are equipped with a protection against return current, integrated in
their junction box.
A loaded battery (battery voltage > 14V) and a panel low voltage (>15V) combined
with a lack of thermal dissipation and high heat conditions can cause a panel>battery
current inversion.
This return current can be destructive for your panel.
In order to protect it from this phenomenon, the protection diodes integrated in the
UNISUN MS junction box block the current returning from the battery.
Please note that any modification or suppression of panels connections (connectors,
junction box) excludes any coverage under warranty.
Содержание UNISUN 100.12MS
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