Technology education ( transformer)
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BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
PIONEER TEAMLecturer : MR. SAIFUL HADI B MASRAN
EDUCATIONAL
TECHNOLOGY
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Izuan Aiman b Ismail
Nur Shaheera bt Zainurin
Nor Asmida bt Mahusin
Mohamad Rosalhafis b Rosly
Nur Hayathul Addin bt Abdul AzizTeam
M
em
ber
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
TRANSFOR
MER
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
• To understand what is the transformer
• To identify the types and working principle of the transformer
• Get to know the formula and how to use it.
Learning Outcomes
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
What is transformer Type of transformer Difference of transformer Working principle of transformer Transformer’s formula How to use transformer The application
SUBTOPIC
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
An equipment used to raise or
lower the potential difference of an
alternating current supply.
What is
TRANSFORMER?
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Step-Up Transformer Step-Down
Transformer
T Y P E O F
RT A N S F O R M E R
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Step-Down TransformerStep Up Transformer
Difference
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Working Principle
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Step-Down Transformer
Step-Up Transformer
Formula&
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
How to Use The
Formula
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Calculation
The figure above shows a transformer in a high voltage supply.
i. State the type of transformer.ii. What is the value of Ns ?
Vp Vs
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Solutioni. Step-up transformer
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Calculation
The figure above shows a being used to operate a 6V heater from a 240V a.c. supply.
i. State the type of transformer.ii. The number of turns in the primary coil, Np ?
Vp Vs
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Solutioni. Step-down transformer
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Applications
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Appl
icati
ons
Laptop
TransformerMobile Charger
X-Ray Television
Electric Welding
RadioTelephoneDigital Camera
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Do you have any
QUESTIONS?
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
Conclusion
BBD 20202 | Technology Education | En. Saiful Hadi
Group Pioneer | Section 13
Faculty of Technical and Vocational Education
End
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