DC Rectifier (Leaving Cert Engineering): Flashcards
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12 cards from this deck
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Practise the cards
12 cards from this deck
Mains electricity: voltage & type
Mains electricity: voltage & type
230V Alternating Current (AC)
DC rectifier function
DC rectifier function
Converts AC to DC
Difference between AC and DC current flow
Difference between AC and DC current flow
AC changes direction, DC flows in one constant direction
Stage A of DC rectifier: function
Stage A of DC rectifier: function
Step-down transformer reduces voltage
Stage B of DC rectifier: function
Stage B of DC rectifier: function
Diodes control current direction
Stage C of DC rectifier: function
Stage C of DC rectifier: function
Capacitor smooths pulsing DC
Function of diodes in rectifier
Function of diodes in rectifier
Allow electricity to flow in one direction only
Function of capacitor in rectifier
Function of capacitor in rectifier
Stores and releases charge to create steady DC
Power type required for MIG welding
Power type required for MIG welding
Direct Current (DC)
DC advantage: arc stability
DC advantage: arc stability
Consistent arc stability
DC advantage: control
DC advantage: control
Better control of welding process
Three components of DC rectifier stages
Three components of DC rectifier stages
Transformer, diodes, capacitor