When should you use a sine wave filter?
When is a thin film solar panel a better solution than a crystalline solar panel?
What characterises VMP?
Test results
Congratulations. You have passed the test and completed the 23 - Solar pumping system accessories
Achieved badges:
Q: When should you use a sine wave filter?
A: With an external frequency drive connecting to a motor lower than 250VAC
Q: When should you use a sine wave filter?
A: With an external frequency drive connecting to a motor higher than 380VAC
Q: When should you use a sine wave filter?
A: Whenever you want
Q: When is a thin film solar panel a better solution than a crystalline solar panel?
A: In cold conditions
Q: When is a thin film solar panel a better solution than a crystalline solar panel?
A: In windy conditions
Q: When is a thin film solar panel a better solution than a crystalline solar panel?
A: In cloudy conditions
Q: What characterises VMP?
A: The voltage when solar panels are loaded optimally
Q: What characterises VMP?
A: The voltage when wires aren’t connected
Q: What characterises VMP?
A: The current when the wires are short-circuited
Q: What do zinc anodes do?
A: They detect when water disappears
Q: What do zinc anodes do?
A: They help prevent corrosion in the motor
Q: What do zinc anodes do?
A: They ensure that the motor is cooled