Electrical Circuits and Networks (Diploma)

Network theorems, AC circuits, resonance, three-phase circuits and transients.

6 महीनेअवधि 6Chapters27टॉपिक

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01DC Circuit Analysis 4 टॉपिक

Ohm's law, KCL and KVL
Series-parallel circuits
Mesh and nodal analysis
Star-delta transformation

02Network Theorems 5 टॉपिक

Superposition theorem
Thevenin's theorem
Norton's theorem
Maximum power transfer theorem
Reciprocity theorem

03Single-Phase AC Circuits 6 टॉपिक

Sinusoidal quantities: RMS, average, form factor
Phasor representation
Pure R, L, C circuits
Series RL, RC and RLC circuits
Parallel AC circuits
Active, reactive and apparent power, power factor

04Resonance 4 टॉपिक

Series resonance
Parallel resonance
Quality factor and bandwidth
Applications of resonance

05Three-Phase Circuits 5 टॉपिक

Generation of three-phase emf
Star and delta connections, line and phase values
Three-phase power
Two-wattmeter method
Power factor improvement (introduction)

06Transients 3 टॉपिक

DC transients in RL circuits
DC transients in RC circuits
Time constant and its significance

परिचय

आप यह कर पाएँगे

Apply KCL, KVL, mesh and nodal analysis and star-delta conversion to DC networks
Use Thevenin's, Norton's, superposition and maximum power transfer theorems
Solve single-phase AC series and parallel circuits using phasors and find power and power factor
Explain series and parallel resonance, Q factor and bandwidth
Solve balanced three-phase star and delta circuits and measure power by the two-wattmeter method
Explain transients in RL and RC circuits using time constant

यह किसके लिए है

Diploma Electrical Engineering students of Semester 3 (BTEUP)
Diploma Electronics students studying network analysis
Students preparing for JE (Electrical) exams

आपको क्या चाहिए

Basic electricity and mathematics (algebra, trigonometry, complex numbers basics) of the first year

सवाल

Are numerical problems the main part?

Yes. Each unit is taught with solved examples at exam level, from KCL/KVL to two-wattmeter problems.

Do I need complex numbers?

Only basic j-operator use; it is revised at the start of the AC unit.

Is this course based on the BTEUP syllabus?

Yes. The units follow the BTEUP (Board of Technical Education, Uttar Pradesh) diploma syllabus. If your polytechnic follows a different board or a revised scheme, the centre teaches your own syllabus.