Day 11 Inverters, Rectifiers, Semiconductors

Invertors convert:

• DC power to AC power
• AC power to DC power
• Mechanical energy to electrical energy
• Voltage to current

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NGSS.HS-PS3-3

What are the two types of aircraft inverters:

• Analog inverters and digital inverters
• Dynamic inverters and magnetic inverters
• Static inverters and rotary inverters

Static inverter has replaced the rotary inverter in most applications because:

• Static inverters are more efficient, reliable, and require less maintenance.
• Static inverters are cheaper, less efficient, and require more maintenance.
• Rotary inverters are more reliable, efficient, and require less maintenance.

Most semiconductors are made of:

• Oxygen, nitrogen,

• Silicon, germanium

• Lead, mercury,

• Aluminum, copper

Adding a small amount of impurities to semiconductor material is known as:

• Purifying
• Refining
• Enhancing
• Doping

This type of semiconductor doping creates a excess of electrons:

• N-Type

• P-type

This type of semiconductor doping creates a "Hole" or deficiency of electrons:

• N-type

• P-type

This type of diode allows current to flow in both forward and reverse directions when the voltage reaches a specific threshold.

• Zener diode
• Photodiode
• Schottky diode
• LED

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NGSS.HS-PS2-5

NGSS.HS-PS3-5

This schematic symbol represents:

• LED

• LCD

• Varactor

This schematic symbol represents:

• Single-phase rectifier
• Half-wave rectifier and

• full-wave rectifier