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A single transformer rectifier in "Bus Tie" operation is protected by ?
1. Circuit breakers
2. Current sensitive relays
3. shunts
4. current limites
On the MD80/DC9, each T/Rs is protected by a CB, and there is also a fuse in the crosstie circuit between the T/Rs.
DC9s and MD80s will still be flying when all the Barbie jets have been turned into beer cans.
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US $7,999.00




















































































