The National Grid Flashcards
(11 cards)
What is the National Grid?
The system of power stations, cables, and transformers that supply electrical energy to homes, schools, and industries.
What is the main benefit of the National Grid?
It is very reliable.
What is micro-generation?
Producing electricity through small-scale methods such as solar panels or small wind turbines.
What is the typical voltage at which power stations produce electricity?
Around 20,000 V.
What is the function of transformers in the National Grid?
Transformers step up or step down the voltage.
To what voltage do transformers step up the electricity for transmission?
About 400,000 V.
Why do transformers step up the voltage to 400,000 V?
To reduce the current.
To what voltage do transformers step down electricity for large industrial sites?
About 11,000 V.
What voltage is stepped down for use in homes?
240 V.
Fill in the blank: The National Grid includes power stations, cables, and _______.
transformers.
True or False: Micro-generation includes large-scale power plants.
False.
