Inverter applications (UPS, solar, drives) in Power Electronics - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the sentence: An inverter converts {{BLANK_1}} power into {{BLANK_2}} power.

Power Electronics

An inverter converts [1] power into [2] power.

Drag options to blanks, or click blank then click option'

ADC to AC

BAC to DC

CAC to AC

DDC to DC

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing inverter with rectifier, which converts AC to DC.

Thinking inverter changes AC to AC.

An inverter changes direct current (DC) into alternating current (AC), which is used by most household appliances.

2fill in blank

medium

Complete the sentence: In a UPS system, the inverter provides {{BLANK_1}} power during a power outage.

Power Electronics

In a UPS system, the inverter provides [1] power during a power outage.

Drag options to blanks, or click blank then click option'

Asolar power

Balternating current

Cdirect current

Dmechanical power

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing direct current instead of alternating current.

Confusing solar power with UPS output.

The inverter in a UPS supplies alternating current (AC) to keep devices running when the main power fails.

3fill in blank

hard

Fix the error: The inverter in solar power systems converts {{BLANK_1}} power from solar panels into usable AC power.

Power Electronics

The inverter in solar power systems converts [1] power from solar panels into usable AC power.

Drag options to blanks, or click blank then click option'

Adirect current

Bthermal

Cmechanical

Dalternating current

Attempts:

3 left

💡 Hint

Common Mistakes

Selecting alternating current as input power instead of output.

Choosing mechanical or thermal, which are not electrical power types.

Solar panels produce direct current (DC), which the inverter converts to alternating current (AC) for home use.

4fill in blank

hard

Fill both blanks to complete the sentence: In motor drives, the inverter controls the {{BLANK_1}} and {{BLANK_2}} of the motor by adjusting the AC output.

Power Electronics

In motor drives, the inverter controls the [1] and [2] of the motor by adjusting the AC output.

Drag options to blanks, or click blank then click option'

Aspeed

Bvoltage

Ctorque

Dfrequency

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing torque with speed or frequency.

Choosing voltage instead of frequency for speed control.

In motor drives, inverters adjust the frequency and speed of the AC power to control how fast the motor runs.

5fill in blank

hard

Fill all three blanks to complete the dictionary comprehension: inverter_settings = {{{{BLANK_1}}}: {{BLANK_2}} for {{BLANK_3}} in devices if devices[{{BLANK_3}}] > 0}

Power Electronics

inverter_settings = [1]: [2] for [3] in devices if devices[[3]] > 0}

Drag options to blanks, or click blank then click option'

Adevice.upper()

Bdevices[device]

Cdevice

Ddevice.lower()

Attempts:

3 left

💡 Hint

Common Mistakes

Using device.lower() instead of device.upper() for keys.

Using device instead of devices[device] for values.

Using an incorrect loop variable.

This comprehension creates a dictionary where keys are device names in uppercase, values are their power values, and it loops over each device in the devices dictionary only if the power is positive.