Transformer
device · 1885 · Electric age
Converts the voltage of alternating current (Yablochkov, Gaulard–Gibbs, ZBD).
Inventor: Michael Faraday.
What it is made of
- Copper wire — has part. Windings.
Principles and materials it uses
- Electromagnetic induction — uses. Induction between the windings.
- Alternating current — uses. It works only on alternating current.
- Steel — is made of. A core of electrical steel.
Where it is used
- Electrical grid — is part of. Transformer substations.
- Defibrillator — is part of. Stepping up the voltage.
- Power supply — is part of. A transformer.
- Hi-fi amplifier — is part of. The power supply is a transformer.
- Switched-mode power supply — is part of. A high-frequency transformer.
- Nuclear power plant — is part of. Transformers step up the voltage so the plant's power can travel far.
- Neon sign — is part of. A high-voltage transformer.