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LJ35 Flash Cards
AC Electrical System
8
Other
Professional
06/26/2007

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Cards

Term
What is the output of the primary inverter?
Definition
115 VAC
400 HZ
1000 VA
Term
The AC circuit breakers are what type?
Definition
Magnetic
Term
What is the normal AC Voltage?
Definition
110 to 130 volts
Term
How is 115 VAC reduced to 26 VAC?
Definition
Through step-down transformers (auto-transformers)
Term
What will cause the primary or secondary inverter light to illuminate?
Definition
1. Inverter fails
2. Inverter is turned off
3. Inverter output is less than 90 VAC
4. Bus load is less than 10 VA (Watts)
Term
When does the Auxillary Inverter light illuminate?
Definition
Only when the Auxillary Inverter is on and has failed
Term
What does the AC Bus switch select?
Definition
The AC Voltmeter to either the left or right AC Bus
Term
If an inverter fails, how should the auxillary inverter be used?
Definition
It should be on and selected to the failed bus
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