Line C Transformers Flashcards
What is the voltage limitation on the secondary side of a control power transformer for a safety control circuit of a gas fired appliance?
120 V
What is the primary purpose of the design of an isolation transformer?
To physically and electrically separate primary and secondary windings from each other.
What type of transformer is used for power conditioning?
Isolation transformer
What is protected by fusing the secondary side of a control power transformer?
The transformers secondary winding
Referring to the figure below, what type of transformer is represented?
Control power transformer
Referring to the figure below, what primary and secondary voltage is the transformer configured for?
Primary 480 V / secondary 120 V
What information is required from the loads energized to size a control power transformer?
Total inrush VA
What is the minimum ignition transformer secondary voltage required for direct spark ignition of main burner gas?
6000 V
What is the minimum ignition transformer secondary voltage required for ignition of an oil burner?
10,000V
