Summary: Nova Physics | 9789402065152 | C Biemans
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1 Electricity
This is a preview. There are 8 more flashcards available for chapter 1
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What does a power station?
A powerstation generates electrical energy for many thousands of homes and companies. -
Which components does a powerstation have?
Large burners
Turbine
Generator
Transformer
Coolant water
Condenser
Control room
Fuel -
How does a powerstation works?
Steam is produced by heating water. The steam drives a turbine that is connected to a generator. The generator produces alternating current. -
What is induced voltage?
An alternating voltage that is created by means of a changing magnetic field. -
What is soft iron?
It is a form of iron that you can magnitize and demagnitize quickly. -
What is a magnetic field?
It is the zone within which the magnet exerts a force -
What is supplying electrical energy?
Passingelectrical energy to the electricity grid. -
What is electrical power?
- The amount of electrical energy per second that a powerstation or turbine supplies to the network.
- The amount of electrical energy per second that an appliance consumes or draws from the network.
- The amount of electrical energy per second that a powerstation or turbine supplies to the network.
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What is a generator?
The part of an electricity power station that works like a large dynamo: it converts kinetic energy into electrical energy. -
What is a turbine?
The component of a powerstation that consist of a shaft onto which a large number of blades are attached. Because steam is forced up against the blades, the turbine shatfs rotates.
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