-
nominal capacity: 23 Ah,
-high instantaneous power,
-electrolyte reserve: 60 cubic centimeters,
-two ventilation ducts.
DC Generation - Batteries - Component Location Figure 001
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DC Generation - Batteries - Component Location Figure 002
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B. Battery Charge Limiter (BCL)
-------------------------------------------------------------------------------| FUNCTION | THRESHOLD | TIME DELAY | ACTION | No.| |-----------------------------------------------------------------------------| | Control of | - Battery charge | | |BAT.CNTOR| | | battery | . Charging |VBAT < 26,5 V| 225 ms | CLOSING | 7 | | contactor | cycle |& V3PP > 27 V| | | | | | | | | | | | | . end of | ICH < 4 A | 10 s | OPENING | 6 | | | charging | | | | | | | cycle on | | | | | | | ground | | | | | | | | | | | | | | . end of | ICH < 4 A | 30 mn | OPENING | | | | charging | | | | | | | cycle in | | | | | | | flight | | | | | | | or after an | | | | | | | APU start | | | | | | | | | | | | | | - Thermal runaway| | | | | | | (1) | | | | | | | . -------------| ICH > 10 A | 3 X 60 s | OPENING | 5 | | | |& >0,375 A/mn| | | | | | | | | | | | | | | | | | | | .--------------| ICH > 150 A | 90 s | OPENING | 4 | | | | | | | | | | - Starting of APU| | | CLOSING | 8 | | | | | | | | | | - Supply on | | 75 ms | CLOSING | 3 | | | ground | | | | | | | | | | | | | | - Transient fault| V3PP < 5 V | | CLOSING | 2 | | | conditions | | | | | | | | | | | | | | - Integrity of | IDECH >100 A| 300 ms | OPENING | 1 | | | hot bus | | | | | | | | | | | | | | - Electrical | | | OPENING | 10 | | | emer condition | | | | | |-----------------------------------------------------------------------------| | Control of BCL| - Complete | VBAT < 23 V | 15 s | OPENING BCL | | supply | discharge | | | SUPPLY | | | protection | | | | | "RAT-CSM/G | | | | WARNING |
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-------------------------------------------------------------------------------| FUNCTION | THRESHOLD | TIME DELAY | ACTION | No.| |-----------------------------------------------------------------------------| | FAULT" | | | | | | warning | -| -| 1 s | LIGHT | | control | | | | | |-----------------------------------------------------------------------------| | Inhibition of | | When ELEC | 45 s | APU START | | APU start | | EMER | | CNTOR | | sequence | |configuration| | INHIBITED | | | |initiated and| | | | | |CSM/G not | | | | | |available | | | |-----------------------------------------------------------------------------| | "BAT FAULT" | - Thermal runaway| | | WARNING | | warning | (see 1) | | | | | control | | | | LIGHT |
4. Operation/Control and Indicating
________________________________
A. Control and Indicating Circuits
**ON A/C 001-049, 051-099, 101-105, 201-203,
(Ref. Fig. 003)
R **ON A/C 106-149, 151-199, 204-299, 301-399, 401-499,
(Ref. Fig. 003A)
**ON A/C ALL
The operation of each battery charge limiter is controlled from the ELEC panel 35VU in the cockpit by means of BAT1(2) pushbutton switches. These pushbutton switches have two stable positions:
(1) The pushbutton switch is released The battery charge limiter is not operating and the battery is uncoupled from the network. The status of this control is indicated by illumination of the white OFF legend on the pushbutton switch. The same indication is displayed on the ELEC page of the lower ECAM Display Unit and generates a warning if one or both engines are running.
Battery Charge Limiter (BCL1) - Schematic Simplified
Cockpit Compartment Controls and Indicating
Figure 003
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Battery Charge Limiter (BCL1) - Shematic Simplified
Cockpit Compartment Controls and Indicating
Figure 003A
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(2) The pushbutton switch is pressed The battery charge limiter is operating and controls the coupling and uncoupling of the battery. No light comes on on the pushbutton switch in normal operation. However white BAT1 and BAT2 and green indication of voltage and current are displayed on the ELEC page of the lower ECAM DU, as well as the green symbol when battery is charging and the amber symbol when battery is discharging. FAULT amber legend comes on on the pushbutton switch if a thermal runaway or internal short-circuit is detected. Simultaneously, the ELEC page is displayed on the lower ECAM DU with corresponding warnings (MASTER CAUT light + single chime + amber message on the upper ECAM display unit). A BAT OVHT fault causes automatic lock out of the battery line contactor.
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