Your roadmap · आपका रोडमैप
- 1
Admission & first meetingप्रवेश और पहली मुलाकातEnquire at your nearest NDSS centre, meet the teacher, fix the batch time and get your study material.
- 2
Semester 3 — subject classesसेमेस्टर 3 — विषयवार कक्षाएँEvery theory subject of the term, unit by unit, with notes, numericals and doubt classes.
Electrical Circuits and NetworksElectrical and Electronic MeasurementsElectronic Devices and CircuitsElectrical Machines-IElectrical Power Generation
- 3
Labs, practicals & project workलैब, प्रैक्टिकल और प्रोजेक्टExperiments / jobs / project work as in the syllabus, with practical file and viva preparation.
Electrical Circuits and Measurements LabElectrical Machines-I LabElectrical Workshop
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Unit tests & mid-termयूनिट टेस्ट और मिड-टर्मA test after every unit and a mid-term in the university / board pattern.
- 5
Semester 3 mock testमॉक टेस्टA full mock test of all subjects before the exam, with analysis.
- 6
Semester 3 exam (university / board)सेमेस्टर / वार्षिक परीक्षाPrevious papers, important questions and full revision.
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Online tests & resultऑनलाइन टेस्ट और रिज़ल्टTake the tests online; your marks and result show in your student login and at the centre.
Syllabus · पाठ्यक्रम
8 subjects · 45 chapters · 190 topics
Electrical Circuits and Networks6 chapters · 6 Months
Subject page →+
01DC Circuit Analysis
4 topics+
- Ohm's law, KCL and KVL
- Series-parallel circuits
- Mesh and nodal analysis
- Star-delta transformation
02Network Theorems
5 topics+
- Superposition theorem
- Thevenin's theorem
- Norton's theorem
- Maximum power transfer theorem
- Reciprocity theorem
03Single-Phase AC Circuits
6 topics+
- 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 topics+
- Series resonance
- Parallel resonance
- Quality factor and bandwidth
- Applications of resonance
05Three-Phase Circuits
5 topics+
- 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 topics+
- DC transients in RL circuits
- DC transients in RC circuits
- Time constant and its significance
Electrical and Electronic Measurements6 chapters · 6 Months
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01Fundamentals of Measuring Instruments
4 topics+
- Classification of instruments
- Deflecting, controlling and damping torques
- Accuracy, precision and errors
- Calibration
02Measurement of Current and Voltage
4 topics+
- PMMC instruments
- Moving iron instruments
- Extension of range: shunts and multipliers
- Rectifier type instruments
03Measurement of Power and Energy
5 topics+
- Dynamometer wattmeter
- Power measurement in three-phase circuits
- Induction type energy meter
- Electronic and smart energy meters
- Maximum demand indicator
04Measurement of Resistance, Inductance and Capacitance
4 topics+
- Wheatstone bridge
- Kelvin double bridge
- Megger and earth tester
- AC bridges: Maxwell and Schering
05Instrument Transformers
4 topics+
- Current transformer (CT)
- Potential transformer (PT)
- Ratio and phase angle errors
- Precautions in use
06Digital Instruments and CRO
5 topics+
- Digital multimeter
- Digital frequency meter and power factor meter
- CRO: block diagram and uses
- Digital storage oscilloscope
- Measurement of voltage, frequency and phase
Electronic Devices and Circuits6 chapters · 6 Months
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01Semiconductor Diodes
5 topics+
- Intrinsic and extrinsic semiconductors
- PN junction and its V-I characteristics
- Zener diode
- LED, photodiode and varactor diode
- Diode ratings
02Rectifiers and Filters
5 topics+
- Half-wave rectifier
- Centre-tap full-wave rectifier
- Bridge rectifier
- Ripple factor and efficiency
- Capacitor, inductor and pi filters
03Bipolar Junction Transistors
6 topics+
- Construction and working of NPN and PNP
- CB, CE and CC configurations
- Input and output characteristics
- Alpha and beta
- Biasing and stabilisation
- Transistor as a switch
04FET and MOSFET
4 topics+
- JFET construction and characteristics
- Shockley's equation
- Enhancement and depletion MOSFET
- Comparison of BJT and FET
05Amplifiers and Oscillators
4 topics+
- RC coupled amplifier and frequency response
- Positive and negative feedback
- Barkhausen criterion
- RC phase shift, Hartley, Colpitts and crystal oscillators
06Regulated Power Supplies
5 topics+
- Need for regulation
- Zener shunt regulator
- Series transistor regulator
- IC regulators 78xx and 79xx
- SMPS (introduction)
Electrical Machines-I5 chapters · 6 Months
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01DC Generators
6 topics+
- Construction of DC machines
- EMF equation
- Lap and wave windings
- Types of DC generators
- Armature reaction and commutation
- Characteristics of DC generators
02DC Motors
5 topics+
- Principle and back emf
- Torque equation
- Types and characteristics of DC motors
- Speed control methods
- Three-point and four-point starters
03Losses and Testing of DC Machines
4 topics+
- Losses in DC machines
- Efficiency and condition for maximum efficiency
- Swinburne's test
- Brake test and Hopkinson's test (introduction)
04Single-Phase Transformers
6 topics+
- Construction and types
- EMF equation and turns ratio
- Phasor diagrams on no load and load
- Equivalent circuit
- OC and SC tests
- Voltage regulation and efficiency, all-day efficiency
05Three-Phase Transformers and Autotransformers
5 topics+
- Three-phase transformer connections
- Vector groups (Dyn11)
- Parallel operation
- Autotransformer and copper saving
- Cooling of transformers
Electrical Power Generation6 chapters · 6 Months
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01Load Curves and Economics
6 topics+
- Sources of energy
- Load curve and load duration curve
- Connected load, maximum demand, demand factor, diversity factor
- Load factor and plant capacity factor
- Cost of generation and tariffs
- Base load and peak load plants
02Thermal Power Stations
5 topics+
- Site selection and layout
- Boiler, turbine, turbo-alternator and condenser
- Economiser, air preheater and superheater
- Coal and ash handling
- ESP and pollution control
03Hydro-Electric Power Stations
5 topics+
- Site selection
- Dam, penstock, surge tank and power house
- Pelton, Francis and Kaplan turbines
- Hydro generators (salient pole)
- Pumped storage plants
04Nuclear Power Stations
4 topics+
- Fission and chain reaction
- Reactor parts: fuel, moderator, control rods, coolant
- PHWR and breeder reactors
- Nuclear safety and waste disposal
05Diesel and Gas Power Stations
3 topics+
- Diesel power station layout and uses
- Gas turbine power stations
- Combined cycle power plants
06Renewable Energy Generation
4 topics+
- Solar PV plants, inverters and net metering
- Wind turbines and wind farms
- Biomass and biogas power
- Small hydro, geothermal and tidal power
Electrical Circuits and Measurements Lab6 chapters · 6 Months
Subject page →+
01Verification of Circuit Laws
3 topics+
- Ohm's law
- KCL
- KVL
02Network Theorems
4 topics+
- Superposition theorem
- Thevenin's theorem
- Norton's theorem
- Maximum power transfer theorem
03AC Circuits and Resonance
3 topics+
- Series RL and RC circuits
- Series RLC resonance
- Power factor measurement
04Three-Phase Power Measurement
2 topics+
- Two-wattmeter method for balanced load
- Star and delta line / phase values
05Measurement of Resistance and Energy
4 topics+
- Wheatstone bridge
- Kelvin double bridge
- Insulation resistance with megger
- Calibration of energy meter
06CRO and Instrument Transformers
2 topics+
- Measurement of voltage and frequency on CRO
- Use of CT and PT to extend meter range
Electrical Machines-I Lab5 chapters · 6 Months
Subject page →+
01DC Machine Familiarisation and Starters
4 topics+
- Parts of a DC machine
- Three-point starter
- Four-point starter
- Reversal of direction
02DC Generator Characteristics
2 topics+
- Open-circuit characteristic and critical resistance
- Load characteristics of shunt generator
03DC Motor Tests
4 topics+
- Speed control by armature and field control
- Load test on DC shunt motor
- Swinburne's test
- Load test on DC series motor
04Single-Phase Transformer Tests
4 topics+
- Polarity and ratio test
- Open-circuit and short-circuit tests
- Efficiency and regulation
- Direct load test
05Three-Phase Transformer Connections
2 topics+
- Star-star, star-delta and delta-star connections
- Parallel operation of two single-phase transformers
Electrical Workshop5 chapters · 6 Months
Subject page →+
01Safety, Tools and Wiring Accessories
4 topics+
- Electrical safety rules and shock first aid
- Hand tools and testers
- Wires, cables and IS colour code
- Switches, sockets, MCB, RCCB and fuses
02Domestic Wiring
5 topics+
- Types of wiring: batten, casing-capping, conduit
- One lamp controlled by one switch
- Staircase and godown wiring
- Distribution board with MCB and RCCB
- Testing of installation
03Industrial Wiring
4 topics+
- Three-phase supply and motor wiring
- DOL starter
- Star-delta starter
- Conduit wiring for motors
04Earthing
3 topics+
- Need for earthing
- Plate and pipe earthing
- Measurement of earth resistance
05Repair of Electrical Appliances
5 topics+
- Electric iron and kettle
- Ceiling fan and table fan
- Mixer-grinder
- Geyser and LED lights
- Fault finding with a test lamp and multimeter
About this course
You will be able to
- Complete Electrical Circuits and Networks syllabus with regular tests
- Complete Electrical and Electronic Measurements syllabus with regular tests
- Complete Electronic Devices and Circuits syllabus with regular tests
- Complete Electrical Machines-I syllabus with regular tests
- Complete Electrical Power Generation syllabus with regular tests
- Complete Electrical Circuits and Measurements Lab syllabus with regular tests
- Complete Electrical Machines-I Lab syllabus with regular tests
- Complete Electrical Workshop syllabus with regular tests
Who it is for
- Diploma Electrical Engineering students of Semester 3 (BTEUP)
- Diploma Electronics students studying network analysis
- Students preparing for JE (Electrical) exams
What you need
- Basic electricity and mathematics (algebra, trigonometry, complex numbers basics) of the first year
Online tests & result
Practice and unit tests online; marks and result show in your student login and at the centre.
Student login →
Questions
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.
Will I learn to use a CRO?
Yes. Reading amplitude, time period and frequency on a CRO / DSO is practised with examples.
Are range extension numericals included?
Yes. Shunt, multiplier, energy meter and bridge problems are solved.
Is this course for both Electrical and Electronics branches?
Yes. It is taught in Semester 3 of both branches as per the BTEUP scheme.
Will I see circuits working?
Circuits are explained with simulations and lab demonstrations where available.
Is the lab separate?
Yes. Machine tests are done in the Electrical Machines-I Lab; this course covers the theory paper.
