📘 Electrician Trade Second Year Syllabus २०२६
⚡ DC Machines | AC Motors | Electronics | Solar | EV Charging
📌 संपूर्ण Syllabus – Professional Skills, Professional Knowledge, NOS Codes सह!
📖 Second Year मध्ये DC Machines, AC Motors, Alternators, Electronics, Control Panels, Solar Panel, EV Charging आणि Engineering Drawing व Workshop Calculation यांचा समावेश आहे. खाली प्रत्येक Learning Outcome साठी Professional Skills आणि Professional Knowledge दिले आहे.
🔰 Unit 14: Plan, execute commissioning and evaluate performance of DC machines
NOS: PSS/N9499
Practical: 35 Hrs | Theory: 10 Hrs
Learning Outcome 14: Plan, execute commissioning and evaluate performance of DC machines.
⚡ Professional Skills (Trade Practical):
- 109. Identify terminals, parts and connections of different types of DC machines.
- 110. Measure field and armature resistance of DC machines.
- 111. Determine build up voltage of DC shunt generator with varying field excitation and performance analysis on load.
- 112. Test for continuity and insulation resistance of DC machine.
- 113. Demonstrate special type motors viz., BLDC motor, Servo motor, Permanent Magnet Synchronous Motor (PMSM).
📖 Professional Knowledge (Trade Theory):
General concept of rotating electrical machines. Principle of DC generator. Use of Armature, Field Coil, Polarity, Yoke, Cooling Fan, Commutator, slip ring and Brushes, Laminated core etc. E.M.F. equation. Separately excited and self-excited generators. Series, shunt and compound generators.
General concept of rotating electrical machines. Principle of DC generator. Use of Armature, Field Coil, Polarity, Yoke, Cooling Fan, Commutator, slip ring and Brushes, Laminated core etc. E.M.F. equation. Separately excited and self-excited generators. Series, shunt and compound generators.
🔰 Unit 15: Execute testing, and maintenance of DC machines and motor starters
NOS: PSS/N9499
Practical: 80 Hrs | Theory: 25 Hrs
Learning Outcome 15: Execute testing, and maintenance of DC machines and motor starters.
⚡ Professional Skills (Trade Practical):
- 114. Perform no load and load test and determine characteristics of series and shunt generators.
- 115. Perform no load and load test and determine characteristics of compound generators (cumulative and differential).
- 116. Practice dismantling and assembling in DC shunt motor.
- 117. Practice dismantling and assembling in DC compound generator.
- 118. Conduct performance analysis of DC series, shunt and compound motors.
- 119. Dismantle and identify parts of three point and four-point DC motor starters.
- 120. Assemble, Service and repair three point and four-point DC motor starters.
- 121. Practice maintenance of carbon brushes, brush holders, Commutator and slip rings.
📖 Professional Knowledge (Trade Theory):
Commutation, inter poles and connection of inter poles. Parallel Operation of DC Generators. Load characteristics of DC generators. Application, losses & efficiency of DC Generators. Routine & maintenance. Principle and types of DC motor. Relation between applied voltage back e.m.f., armature voltage drops, speed and flux of DC motor. DC motor Starters, relation between torque, flux and armature current. Changing the direction of rotation. Characteristics, Losses & Efficiency of DC motors. Routine and maintenance.
Commutation, inter poles and connection of inter poles. Parallel Operation of DC Generators. Load characteristics of DC generators. Application, losses & efficiency of DC Generators. Routine & maintenance. Principle and types of DC motor. Relation between applied voltage back e.m.f., armature voltage drops, speed and flux of DC motor. DC motor Starters, relation between torque, flux and armature current. Changing the direction of rotation. Characteristics, Losses & Efficiency of DC motors. Routine and maintenance.
🔰 Unit 16 (a): Distinguish, organize and perform motor winding
NOS: PSS/N9507
Practical: 35 Hrs | Theory: 10 Hrs
Learning Outcome 16 (a): Distinguish, organize and perform motor winding.
⚡ Professional Skills (Trade Practical):
- 122. Perform speed control of DC motors – field and armature control method.
- 123. Carry out overhauling of DC machines.
- 124. Perform DC machine winding by developing connection diagram, test on growler and assemble.
📖 Professional Knowledge (Trade Theory):
Methods of speed control of DC motors. Lap and wave winding and related terms.
Methods of speed control of DC motors. Lap and wave winding and related terms.
🔰 Unit 17: Plan, execute commissioning and evaluate performance of AC motors. Execute testing, and maintenance of AC motors and starters
NOS: PSS/N9500
Practical: 120 Hrs | Theory: 30 Hrs
Learning Outcome 17: Plan, execute commissioning and evaluate performance of AC motors. Execute testing, and maintenance of AC motors and starters.
⚡ Professional Skills (Trade Practical):
- 125. Identify parts and terminals of three phase AC motors.
- 126. Make an internal connection of automatic star-delta starter with three contactors.
- 127. Connect, start and run three phase induction motors by using DOL, star-delta and auto-transformer starters.
- 128. Connect, start, run and reverse direction of rotation of slip-ring motor through rotor resistance starter and determine performance characteristic.
- 129. Determine the efficiency of squirrel cage induction motor by brake test.
- 130. Determine the efficiency of three phase squirrel cage induction motor by no load test and blocked rotor test.
- 131. Measure slip and power factor to draw speed-torque (slip/torque) characteristics.
- 132. Test for continuity and insulation resistance of three phase induction motors.
- 133. Perform speed control of three phase induction motors by various methods like rheostatic control, autotransformer etc.
- 134. Identify parts and terminals of different types of single-phase AC motors.
- 135. Install, connect and determine performance of single-phase AC motors.
- 136. Start, run and reverse the direction of rotation of single-phase AC motors.
- 137. Practice on speed control of single-phase AC motors.
- 138. Compare starting and running winding currents of a capacitor run motor at various loads and measure the speed.
📖 Professional Knowledge (Trade Theory):
Working principle of three phase induction motor. Squirrel Cage Induction motor, Slip-ring induction motor; construction, characteristics, Slip and Torque. Different types of starters for three phase induction motors, its necessity, basic contactor circuit, parts and their functions. Single phasing prevention. No load test and blocked rotor test of induction motor. Losses & efficiency. Various methods of speed control. Braking system of motor. Maintenance and repair. Working principle, different method of starting and running of various single-phase AC motors. Domestic and industrial applications of different single-phase AC motors. Characteristics, losses and efficiency.
Working principle of three phase induction motor. Squirrel Cage Induction motor, Slip-ring induction motor; construction, characteristics, Slip and Torque. Different types of starters for three phase induction motors, its necessity, basic contactor circuit, parts and their functions. Single phasing prevention. No load test and blocked rotor test of induction motor. Losses & efficiency. Various methods of speed control. Braking system of motor. Maintenance and repair. Working principle, different method of starting and running of various single-phase AC motors. Domestic and industrial applications of different single-phase AC motors. Characteristics, losses and efficiency.
🔰 Unit 16 (b): Distinguish, organize and perform motor winding (Continued)
NOS: PSS/N9507
Practical: 65 Hrs | Theory: 10 Hrs
Learning Outcome 16 (b): Distinguish, organize and perform motor winding (Continued).
⚡ Professional Skills (Trade Practical):
- 139. Perform winding of three phase AC motor by developing connection diagram, test and assemble.
- 140. Maintain, service and troubleshoot the AC motor starter.
- 141. Carry out maintenance, service and repair of single-phase AC motors.
- 142. Practice on single/double layer and concentric winding for AC motors, testing and assembling.
- 143. Connect, start, run and reverse the direction of rotation of universal motor.
- 144. Carry out maintenance and servicing of universal motor.
📖 Professional Knowledge (Trade Theory):
Concentric/ distributed, single/ double layer winding and related terms. Troubleshooting of single-phase AC induction motors and universal motor.
Concentric/ distributed, single/ double layer winding and related terms. Troubleshooting of single-phase AC induction motors and universal motor.
🔰 Unit 18: Plan, execute testing, evaluate performance and carry out maintenance of Alternator / MG set
NOS: PSS/N9405
Practical: 83 Hrs | Theory: 22 Hrs
Learning Outcome 18: Plan, execute testing, evaluate performance and carry out maintenance of Alternator / MG set.
⚡ Professional Skills (Trade Practical):
- 145. Install an alternator, identify parts and terminals of alternator.
- 146. Test for continuity and insulation resistance of alternator.
- 147. Connect, start and run an alternator and build up the voltage.
- 148. Determine the load performance and voltage regulation of three phase alternator.
- 149. Install a synchronous motor, identify its parts and terminals.
📖 Professional Knowledge (Trade Theory):
Principle of alternator, phase sequence and parallel operation. Effect of changing the field excitation and power factor correction. Working principle of synchronous motor. Effect of change of excitation and load.
Principle of alternator, phase sequence and parallel operation. Effect of changing the field excitation and power factor correction. Working principle of synchronous motor. Effect of change of excitation and load.
🔰 Unit 19: Assemble simple electronic circuits and test for functioning
NOS: PSS/N9406
Practical: 115 Hrs | Theory: 35 Hrs
Learning Outcome 19: Assemble simple electronic circuits and test for functioning.
⚡ Professional Skills (Trade Practical):
- 150. Determine the value of resistance by colour code and identify types.
- 151. Test active and passive electronic components and its applications.
- 152. Determine V-I characteristics of semiconductor diode.
- 153. Construct half wave, full wave and bridge rectifiers using semiconductor diode.
- 154. Operate and set the required frequency using function generator.
- 155. Troubleshoot defects in simple power supplies.
📖 Professional Knowledge (Trade Theory):
Resistors – colour code, types and characteristics. Active and passive components. Atomic structure and semiconductor theory. P-N junction, classification, specifications, biasing and characteristics of diodes. Rectifier circuit – half wave, full wave, bridge rectifiers and filters. Principle of operation, types, characteristics and various configuration of transistor. Application of transistor as a switch, voltage regulator and amplifier. Basic concept of power electronics devices. IC voltage regulators. Digital Electronics – Binary numbers, logic gates and combinational circuits. Familiarity and working of SCR, DIAC, TRIAC and IGBT.
Resistors – colour code, types and characteristics. Active and passive components. Atomic structure and semiconductor theory. P-N junction, classification, specifications, biasing and characteristics of diodes. Rectifier circuit – half wave, full wave, bridge rectifiers and filters. Principle of operation, types, characteristics and various configuration of transistor. Application of transistor as a switch, voltage regulator and amplifier. Basic concept of power electronics devices. IC voltage regulators. Digital Electronics – Binary numbers, logic gates and combinational circuits. Familiarity and working of SCR, DIAC, TRIAC and IGBT.
🔰 Unit 20: Assemble accessories and carry out wiring of control cabinets and equipment
NOS: PSS/N9407
Practical: 82 Hrs | Theory: 23 Hrs
Learning Outcome 20: Assemble accessories and carry out wiring of control cabinets and equipment.
⚡ Professional Skills (Trade Practical):
- 156. Design layout of control cabinet, assemble control elements and wiring accessories for:
(i) Local and remote control of induction motor.
(ii) Forward and reverse operation of induction motor.
(iii) Automatic star-delta starter with change of direction of rotation.
(iv) Sequential control of three motors. - 157. Carry out wiring of control cabinet as per wiring diagram, bunching of XLPE cables, channeling, tying and checking etc.
- 158. Mount various control elements e.g., circuit breakers, relays, contactors and timers etc.
- 159. Identify and install required measuring instruments and sensors in control panel.
- 160. Test the control panel for its performance.
📖 Professional Knowledge (Trade Theory):
Study and understand Layout drawing of control cabinet, power and control circuits. Various control elements: Isolators, pushbuttons, switches, indicators, MCB, fuses, relays, timers and limit switches etc. Wiring accessories: Race ways/ cable channel, DIN rail, terminal connectors, thimbles, lugs, ferrules, cable binding strap, buttons, cable ties, sleeves, gromats and clips etc. Testing of various control elements and circuits.
Study and understand Layout drawing of control cabinet, power and control circuits. Various control elements: Isolators, pushbuttons, switches, indicators, MCB, fuses, relays, timers and limit switches etc. Wiring accessories: Race ways/ cable channel, DIN rail, terminal connectors, thimbles, lugs, ferrules, cable binding strap, buttons, cable ties, sleeves, gromats and clips etc. Testing of various control elements and circuits.
🔰 Unit 21: Perform speed control of AC and DC motors by using solid state devices
NOS: PSS/N9408
Practical: 50 Hrs | Theory: 10 Hrs
Learning Outcome 21: Perform speed control of AC and DC motors by using solid state devices.
⚡ Professional Skills (Trade Practical):
- 161. Perform speed control of DC motor using thyristors / DC drive.
- 162. Perform speed control and reversing the direction of rotation of AC motors by using thyristors / AC drive.
📖 Professional Knowledge (Trade Theory):
Working, parameters and applications of AC / DC drive. Speed control of 3 phase induction motor by using VVVF/AC Drive. Installation of AC/DC drives.
Working, parameters and applications of AC / DC drive. Speed control of 3 phase induction motor by using VVVF/AC Drive. Installation of AC/DC drives.
🔰 Unit 22: Detect the faults and troubleshoot inverter, stabilizer, battery charger, emergency light and UPS etc
NOS: PSS/N9501
Practical: 50 Hrs | Theory: 10 Hrs
Learning Outcome 22: Detect the faults and troubleshoot inverter, stabilizer, battery charger, emergency light and UPS etc.
⚡ Professional Skills (Trade Practical):
- 163. Assemble circuits of voltage stabilizer and UPS.
- 164. Prepare an emergency light.
- 165. Assemble circuits of battery charger and inverter.
- 166. Test, analyze defects and repair voltage stabilizer, emergency light and UPS.
- 167. Maintain, service and troubleshoot battery charger and inverter.
- 168. Install an Inverter with battery and connect it in domestic wiring for operation.
📖 Professional Knowledge (Trade Theory):
Basic concept, block diagram and working of voltage stabilizer, battery charger, emergency light, inverter and UPS. Preventive and breakdown maintenance. Solar inverter.
Basic concept, block diagram and working of voltage stabilizer, battery charger, emergency light, inverter and UPS. Preventive and breakdown maintenance. Solar inverter.
🔰 Unit 23: Plan, assemble and install solar panel
NOS: PSS/N9409
Practical: 25 Hrs | Theory: 05 Hrs
Learning Outcome 23: Plan, assemble and install solar panel.
⚡ Professional Skills (Trade Practical):
- 169. Prepare layout plan and identify different elements of solar power system.
- 170. Prepare layout plan and identify different elements of wind power system.
- 171. Assemble and connect solar panel for illumination.
📖 Professional Knowledge (Trade Theory):
Various ways of electrical power generation by non-conventional methods. Power generation by solar and wind energy. Principle and operation of solar panel.
Various ways of electrical power generation by non-conventional methods. Power generation by solar and wind energy. Principle and operation of solar panel.
🔰 Unit 24: Erect overhead domestic service line, outline various power plant layout and explain smart distribution grid and its components
NOS: PSS/N9508
Practical: 50 Hrs | Theory: 10 Hrs
Learning Outcome 24: Erect overhead domestic service line, outline various power plant layout and explain smart distribution grid and its components.
⚡ Professional Skills (Trade Practical):
- 172. Practice installation of insulators used in HT/LT line for a given voltage range.
- 173. Draw single line diagram of transmission and distribution system.
- 174. Measure current carrying capacity of conductor for given power supply.
- 175. Fasten jumper in pin, shackle and suspension type insulators.
- 176. Erect an overhead service line pole for single phase 230V distribution system in open space.
- 177. Practice on laying of domestic service line.
- 178. Install bus bar and bus coupler on LT line.
📖 Professional Knowledge (Trade Theory):
Transmission and distribution networks. Line insulators, overhead poles and method of joining aluminum conductors. Smart Grid System. Safety precautions and IE rules pertaining to domestic service connections. Various substations. Various terms like – maximum demand, average demand, load factor, diversity factor, plant utility factor etc.
Transmission and distribution networks. Line insulators, overhead poles and method of joining aluminum conductors. Smart Grid System. Safety precautions and IE rules pertaining to domestic service connections. Various substations. Various terms like – maximum demand, average demand, load factor, diversity factor, plant utility factor etc.
🔰 Unit 25: Examine the faults and carry out repairing of circuit breakers
NOS: PSS/N9502
Practical: 25 Hrs | Theory: 05 Hrs
Learning Outcome 25: Examine the faults and carry out repairing of circuit breakers.
⚡ Professional Skills (Trade Practical):
- 179. Identify various parts of relay and ascertain the operation.
- 180. Practice setting of pick up current and time setting multiplier for relay operation.
- 181. Identify the parts of circuit breaker, check its operation.
- 182. Practice on repair and maintenance of circuit breaker.
📖 Professional Knowledge (Trade Theory):
Types of relays and its operation. Types of circuit breakers, their applications and functioning. Production of arc and quenching.
Types of relays and its operation. Types of circuit breakers, their applications and functioning. Production of arc and quenching.
🔰 Unit 26: Install and troubleshoot Electric Vehicle charging stations
NOS: PSS/N9410
Practical: 25 Hrs | Theory: 05 Hrs
Learning Outcome 26: Install and troubleshoot Electric Vehicle charging stations.
⚡ Professional Skills (Trade Practical):
- 183. Demonstrate different charger specifications.
- 184. Perform installation of EV charging Station for Public places.
- 185. Perform installation of Home EV charging stations.
📖 Professional Knowledge (Trade Theory):
EV scenario in India and EV Charging basic theory. EV Charging safety requirements.
EV scenario in India and EV Charging basic theory. EV Charging safety requirements.
📐 ENGINEERING DRAWING
NOS: PSS/N9401
Theory: 45 Hrs
Learning Outcome 27: Read and apply engineering drawing for different application in the field of work.
📖 Topics:
• Reading of Electrical Sign and Symbols.
• Sketches of Electrical components.
• Reading of Electrical wiring diagram and Layout diagram.
• Reading of Electrical earthing diagram.
• Drawing the schematic diagram of plate and pipe earthing.
• Drawing of Electrical circuit diagram.
• Drawing of Block diagram of Instruments & equipment of trades.
• Reading of Electrical Sign and Symbols.
• Sketches of Electrical components.
• Reading of Electrical wiring diagram and Layout diagram.
• Reading of Electrical earthing diagram.
• Drawing the schematic diagram of plate and pipe earthing.
• Drawing of Electrical circuit diagram.
• Drawing of Block diagram of Instruments & equipment of trades.
🧮 WORKSHOP CALCULATION & SCIENCE
NOS: PSS/N9402
Theory: 45 Hrs
Learning Outcome 28: Demonstrate basic mathematical concept and principles to perform practical operations. Understand and explain basic science in the field of study.
📖 Topics:
• Friction – Friction – Lubrication
• Algebra – Addition, subtraction, multiplication & division, Theory of indices, algebraic formula, related problems
• Elasticity – Elastic, plastic materials, stress, strain and their units and young’s modulus
• Profit and Loss – Simple problems on profit & loss, Simple and compound interest
• Estimation and Costing – Simple estimation of the requirement of material etc., as applicable to the trade. Problems on estimation and costing
• Friction – Friction – Lubrication
• Algebra – Addition, subtraction, multiplication & division, Theory of indices, algebraic formula, related problems
• Elasticity – Elastic, plastic materials, stress, strain and their units and young’s modulus
• Profit and Loss – Simple problems on profit & loss, Simple and compound interest
• Estimation and Costing – Simple estimation of the requirement of material etc., as applicable to the trade. Problems on estimation and costing
🛠️ Project Work / Industrial Visit
📌 Suggested Projects:
a) Battery charger / Emergency light
b) Control of motor pump with tank level
c) DC voltage converter using SCRs
d) Logic control circuits using relays
e) Alarm / indicator circuits using sensors
a) Battery charger / Emergency light
b) Control of motor pump with tank level
c) DC voltage converter using SCRs
d) Logic control circuits using relays
e) Alarm / indicator circuits using sensors
📊 Second Year Summary
| Unit | NOS Code | Practical (Hrs) | Theory (Hrs) | Total |
|---|---|---|---|---|
| 14. DC Machines | PSS/N9499 | 35 | 10 | 45 |
| 15. DC Machines & Starters | PSS/N9499 | 80 | 25 | 105 |
| 16(a). Motor Winding | PSS/N9507 | 35 | 10 | 45 |
| 17. AC Motors | PSS/N9500 | 120 | 30 | 150 |
| 16(b). Motor Winding (cont.) | PSS/N9507 | 65 | 10 | 75 |
| 18. Alternator / MG Set | PSS/N9405 | 83 | 22 | 105 |
| 19. Electronics | PSS/N9406 | 115 | 35 | 150 |
| 20. Control Cabinets | PSS/N9407 | 82 | 23 | 105 |
| 21. Speed Control | PSS/N9408 | 50 | 10 | 60 |
| 22. Inverter / UPS / Stabilizer | PSS/N9501 | 50 | 10 | 60 |
| 23. Solar Panel | PSS/N9409 | 25 | 05 | 30 |
| 24. Distribution & Smart Grid | PSS/N9508 | 50 | 10 | 60 |
| 25. Circuit Breakers | PSS/N9502 | 25 | 05 | 30 |
| 26. EV Charging Stations | PSS/N9410 | 25 | 05 | 30 |
| Total Practical + Theory | 840 | 210 | 1050 | |
| 27. Engineering Drawing | PSS/N9401 | – | 45 | 45 |
| 28. Workshop Calculation & Science | PSS/N9402 | – | 45 | 45 |
| Employability Skills | – | 60 | 60 | |
| 🔰 SECOND YEAR GRAND TOTAL | 840 | 360 | 1200 | |
🎯 निष्कर्ष
💡 Electrician Trade Second Year मध्ये DC Machines, AC Motors, Alternators, Electronics, Control Panels, Solar Panel, EV Charging आणि Engineering Drawing व Workshop Calculation यांचा समावेश आहे. एकूण १२०० तासांचे प्रशिक्षण (Practical: ८४० + Theory: ३६०) दिले जाते. या सर्व Learning Outcomes ची पूर्तता झाल्यासच प्रशिक्षणार्थी National Trade Certificate (NTC) साठी पात्र ठरतो.