BN 09 2671/01/01 - 34 / 50 -
7 FUNCTIONAL DESCRIPTION
The Protect RCS TPRe TD rectifiers are thyristor-controlled rectifiers suitable for charging nickel-cadmium or lead-
acid batteries while supplying DC loads. The rectifier can be also used without batteries as direct power supplies.
7.1 OPERATING SEQUENCES
Rectifier with associated battery
Mains power ON – battery on floating
The charger supplies the load (Ild) and delivers a "floating" charge current (Ifl) to battery BT.
Mains power ON – battery recharging
The charger recharges battery BT at a high rate (Ihr) and supplies the load (Ild). The charger automatically switches
to "floating" charge (Ifl) when the battery is fully charged.
Thereafter the battery is kept in floating (Ifl).
Mains power OFF
The battery immediately substitutes for the charger in supplying the load (Ild).
BT
Ild
BT
Ihr
Ifl
Ild
BT
Ild
Ifl
Mains
Load
Load
Charger
Charger
Load
Charger
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