MSBTE K Scheme – 313334 Electrical and Electronics Measurement
MSBTE K Scheme – Electrical
and Electronics Measurement Notes PDF
Electrical and
Electronics Measurement is a core subject under the MSBTE K Scheme
for diploma students in Electrical and Electronics Engineering. The
subject deals with the science of measuring electrical and electronic
quantities such as voltage, current, resistance, power, frequency, and
energy using various instruments.
Measurement is
the foundation of engineering practice. Without proper measurement,
designing, testing, manufacturing, and maintaining electrical systems becomes
impossible. This subject trains students to use analog and digital
instruments, understand their working principles, and apply them in real-world
industries.
Importance of Electrical and Electronics Measurement
- Provides knowledge of basic electrical
measurements (voltage, current, resistance, power, energy).
- Introduces electronic measuring devices used
in laboratories and industries.
- Helps in testing and calibration of instruments
for accuracy.
- Plays a crucial role in quality control, power
system monitoring, and research.
- Prepares students for jobs in testing labs,
manufacturing industries, and maintenance departments.
MSBTE K Scheme Syllabus Overview – Electrical and
Electronics Measurement
The syllabus is structured to give
students theoretical concepts and practical skills.
Unit 1: Fundamentals of
Measurement
- Definition and significance of measurement.
- Accuracy, precision, sensitivity, and errors in
measurement.
- Types of errors – gross, systematic, and random.
- Standards of measurement (Primary, Secondary,
International).
Unit 2: Measuring Instruments –
Analog
- PMMC (Permanent Magnet Moving Coil) instrument.
- Moving iron instrument.
- Electrodynamometer type instruments.
- Wattmeters – dynamometer type and induction type.
- Energy meters – single-phase and three-phase.
Unit 3: Measuring Instruments –
Digital
- Digital voltmeters and digital ammeters.
- Digital multimeters – principle, block diagram, and
applications.
- Digital frequency meters.
- True RMS measurement.
- Digital energy meters and smart meters.
Unit 4: Measurement of
Resistance, Inductance, and Capacitance
- Measurement of low, medium, and high resistance.
- Wheatstone bridge, Kelvin’s bridge, and Megger.
- Measurement of inductance – Maxwell’s bridge, Hay’s
bridge.
- Measurement of capacitance – Schering bridge.
Unit 5: Electronic Instruments
- Cathode Ray Oscilloscope (CRO) – principle,
working, and uses.
- Dual trace and digital storage oscilloscopes (DSO).
- Function generators and frequency counters.
- Spectrum analyzers and LCR meters.
Unit 6: Modern Trends in
Measurement
- Data acquisition systems.
- Transducers and sensors for electrical measurement.
- Remote monitoring and IoT-based measurement.
- Use of microcontrollers and microprocessors in
modern instruments.
Practical Applications of Electrical and Electronics
Measurement
- Power plants – monitoring voltage, current,
and power output.
- Industries – quality control, automation,
and safety checks.
- Laboratories – circuit testing, calibration,
and research experiments.
- Households – use of energy meters for
billing and smart meters for monitoring consumption.
- Automobiles – measurement of battery health,
sensors, and electronic system monitoring.
Why MSBTE Students Should Learn This Subject
- Builds practical knowledge of testing and
measurement equipment.
- Prepares students for instrumentation,
calibration, and maintenance jobs.
- Improves ability to analyze errors and enhance
accuracy.
- Helps in understanding the working of analog vs
digital instruments.
- Develops skills required for modern industries
using IoT and smart sensors.
Real-Life Industry Examples
- BHEL (Bharat Heavy Electricals Limited) →
uses testing instruments for quality assurance.
- NTPC and Tata Power → rely on measurement
systems for power monitoring.
- ISRO and DRDO → depend on highly accurate
electronic measurement systems for defense and space projects.
- Automobile companies like Tata Motors and
Mahindra → use measurement for vehicle electronics testing.
Study Tips for MSBTE Students
- Revise basic definitions like accuracy,
precision, and errors thoroughly.
- Practice bridge circuits (Wheatstone,
Kelvin, Maxwell, Schering).
- Draw neat diagrams of analog and digital
instruments.
- Use CROs and digital multimeters in
laboratory sessions for better understanding.
- Stay updated with smart meters and IoT-based
measurement techniques.
Career Opportunities After Studying This Subject
- Testing and Calibration Engineer
- Instrumentation Engineer
- Quality Control Engineer
- Power System Monitoring Engineer
- Research and Development (R&D) Specialist
- Maintenance Engineer in Power Plants or
Industries
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