
Gaia
GAIA.ASU.SP.ESM.00007
Issue 2.00
Page 20 of 79
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GAIA.ASU.SP.ESM.00007 (Avionics SCOE Req Iss 2).doc
AVI-4060/CREATED/T
It shall be possible to switch off all LCL output by way of Emergency OFF switches, located on both
the Avionics SCOE front panel and the Power Simulation rack front panel.
AVI-2577/CREATED/T
Each LCL circuit shall provide a monitor circuit to measure output current to an accuracy of 3% (full
scale).
AVI-2578/CREATED/T
LCL current measurements shall be acquired synchronously and made available to the RTS as inputs
to the PCDU Model.
AVI-2579/CREATED/T
Each LCL circuit shall provide a monitor of its ON/OFF STATE.
AVI-2580/CREATED/T
LCL STATE shall be acquired synchronously and made available to the RTS as inputs to the PCDU
Model.
3.6.1.1 Type 1 Power Simulation
AVI-4058/CREATED/T,R
Simulated LCL outputs shall be provided using Power Relay Switches to Fused lines.
AVI-4059/CREATED/T,R
The Power Relay Switches shall provide isolation on both the positive and negative lines.
AVI-4062/CREATED/I
Fuses for current protection shall be provided in accordance with the Current Limit requirements of
Table 3.6-1 within a margin of +10%.
AVI-4063/CREATED/A,I
Fuses for current protection shall allow in-rush current above the current protection limits for a period
of up to 10ms following switch on.
AVI-4064/CREATED/T
Fuses for current protection shall operate (blow) within 20ms of the simulated LCL output exceeding
the current limit as specified in Table 3.6-1.
3.6.1.2 Type 2 Power Simulation
AVI-2527/CREATED/T,R
Type 2 Power Simulation shall be provided by individual LCL circuits conforming to the following
specifications: [AD06] Table 3.5-2, Regulated BUS LCL Power Interface Characteristics (Source
Circuit Specification).
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