To provide the student with an opportunity to acquire knowledge, skill and attitude in the area of electrical project with special emphasis on :
- Design and construction of electrical appliances, equipment and machineries.
- Developing innovative ideas of the students and put them in action.
- Improve operation of electrical equipment through original thinking.
SHORT DESCRIPTION
[Electrical projects based on the availability of materials and facilities in the Institutes and market. Possible projects may be the improvement of design and construction of electromagnetic fan regulator, electronic fan regulator, choke coil, electronic ballast, power supply unit, solar power system, inverter, small transformer, small motor starter, water level controller, rewinding of single phase motor and three phase induction motor. New ideas leading to actual construction will be given due importance.
DETAIL DESCRIPTION
- 1 Design and construct fan regulator (Electromagnetic type).
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- 1 Study the different manufacturer’s literature, catalogue or manuals.
- 2 Sketch the working drawing and circuit diagram.
- 3 Select the materials and size of the core.
- 4 Select the wire size.
- 5 Collect the materials required for construction of a fan regulator.
- 6 Collect the tools and equipment for construction of a fan regulator.
- 7 Construct core, base slider and covers of the fan regulator.
- 8 Construct former for winding.
- 9 Wind the wire on the former to manufacture coil.
- 10 Insert core in the wound former.
- 11 Test the winding.
- 12 Warp winding with cotton tape and insert ampere tubes in the terminals.
- 13 Connect the terminals in tapings.
- 14 Apply varnish to fill the core and winding.
- 15 Bake the winding and core
- 16 Analyze the construction cost.
- 17 Compare the design & construction of fan regulator with that of manufactured.
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2 Design and construct fan regulator (Electronic type).
- 1 Study different manufacturers literature / manuals or catalogues.
- 2 Select the speed regulating circuits for construction of fan regulator.
- 3 List materials & accessories required.
- 4 Construct circuit with proper connection.
- 5 Test the constructed circuit.
- 6 Set the base and cover.
- 7 Analyze the construction cost.
- 8 Prepare a report.
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3 Design and construct choke coil.
- 1 Study different manufacturer’s literature / catalogue or manuals.
- 2 Sketch the detail working drawing and circuit diagram.
- 3 Select the core materials.
- 4 Select the wire size for 20 watt tube light.
- 5 Select the thickness, size and shape of the core.
- 6 Select tools and equipments required for the project work.
- 7 Construct core, base and cover for the project work.
- 8 Make a former for winding.
- 9 Wind the wire on the former.
- 10 Insert the core in the wound former.
- 11 Test the winding.
- 12 Warp the winding with the ampere cloth.
- 13 Insert terminals into the ampere tube.
- 14 Connect the terminals in the terminal screw & solder them.
- 15 Apply varnish on the wound coil.
- 16 Fix up the wound former on the metal case.
- 17 Connect the choke with the tube light and observe its performance.
- 18 Analyze the harmonic components of current.
- 19 Measure the power factor.
- 20 Analyze the cost of making the choke.
- 21 Prepare a detail report on the project.
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4 Design and construct electronic ballast.
- 1 Study the different manufacturer’s literature / catalogue or manuals.
- 2 Select ballast power for 40W / 20W tube light.
- 3 Draw the circuit diagram of the ballast.
- 4 Fix up the components necessary for the ballast.
- 5 Connect the ballast with the tube light and observe its performance.
- 6 Compare the energy cost of electronic ballast with electromagnetic one.
- 7 Prepare a detail report on the project.
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5 Design and construct a power supply unit.
- 1 Study different manufacturer’s literature / catalogue or manual.
- 2 Draw the circuit diagram and working diagram.
- 3 List the materials required for manufacturing power supply unit.
- 4 Calculate the INPUT / OUTPUT voltage rating of a power supply unit.
- 5 Prepare a PCB regarding the circuit
- 6 Insert the components on the PCB as per circuit diagram and solder them.
- 7 Fix up the PCB and other components.
- 8 Test the PSU.
- 9 Analyze the design and construction.
- 10 Prepare a complete report on the project.
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6 Design and construct a emergency light.
- 1 Study different manufacturer’s literature / catalogue or manuals.
- 2 Calculate the input and output rating and develop the detail specification.
- 3 Draw the circuit diagram and working diagram.
- 4 Select the materials required for manufacturing the emergency light.
- 5 Fix up the components.
- 6 Connect power and observe the performance.
- 7 Analyze the cost of construction.
- 8 Prepare a report on the project.
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7 Design and construct a battery charger.
- 1 Study different manufacturer’s literature / catalogue or manuals.
- 2 Draw the circuit diagram and working diagram.
- 3 Select the materials required for manufacturing the battery charger.
- 4 Calculate the input / output related data for battery charger.
- 5 Fix up all components.
- 6 Connect power and observe the performance.
- 7 Analyze the cost of construction.
- 8 Prepare a report on the project.
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8 Construct a solar power system.
- 1 Study different manufacturer’s literature / catalogue or manuals.
- 2 Select the output power of the plant.
- 3 Draw the layout diagram of the solar plant.
- 4 Select the materials required for manufacturing the solar plant.
- 5 Develop the circuit.
- 6 Fix up all the components accordingly.
- 7 Analyze the cost of the plant.
- 8 Compare per unit production cost with conventional energy plants.
- 9 Prepare a report on the project.
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9 Construct an inverter.
- 1 Study the related catalogue or manuals.
- 2 Select the rating of the inverter.
- 3 Draw the circuit diagram.
- 4 Prepare the required PCB.
- 5 Insert the components on the PCB and solder them.
- 6 Construct a metal case and place the PCB into the case.
- 7 Identify the input / output terminals.
- 8 Test the inverter (Harmonic components of current and power factor.)
- 9 Analyze the cost of the inverter.
- 10 Prepare a report on the project.
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10 Design and construct a small transformer.
- 1 Study the manufacturer’s catalogue / manuals and other relevant literatures.
- 2 Select the rating of a small transformer.
- 3 Select the materials and size of the core.
- 4 Calculate the wire size and number of turns for both sides of winding.
- 5 List the materials required for construction of the transformer.
- 6 Draw the working drawing for the core.
- 7 Construct the core and former for windings.
- 8 Wind wire on the former.
- 9 Insert core in the former.
- 10 Test the windings.
- 11 Warp winding with cotton tape.
- 12 Apply varnish to the winding and bake.
- 13 Fix the transformer into the metal case.
- 14 Fix up the terminals on the case.
- 15 Test the transformer on no-load and on-load.
- 16 Analyze the cost for manufacturing the transformer.
- 17 Analyze the cost of the transformer.
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11 Perform design and construction of a small motor starter (electronic).
- 1 Study the related catalogue / manuals and literatures.
- 2 Select the size, rating & type of motor starter.
- 3 Draw circuit diagram and working drawing.
- 4 Select the materials required for manufacture the starter.
- 5 Prepare required PCB
- 6 Insert the components on the PCB and solder them.
- 7 Construct a metal case and place the PCB into the case.
- 8 Fix up bush nut for connecting terminals and power line.
- 9 Connect the starter with motor.
- 10 Connect power supply and observe the performance.
- 11 Analyze the cost of construction of motor starter.
- 12 Analyze the design and construction of the motor starter.
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12 Design and construct water level controller.
- 1 Study the catalogue / manuals and other related books / publications.
- 2 Design the water level controller circuit.
- 3 Draw the circuit diagram.
- 4 List the materials required for the construction.
- 5 Sketch the layout plan for the construction of water level controller.
- 6 Construct the water level controller.
- 7 Connect the controller with motor and float in water tank.
- 8 Test the performance of controller.
- 9 Analyze the cost of construction.
- 10 Analyze the design and construction.
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13 Design and construct Instant power supply (IPS)
- 1 Study different manufacture’s literature/catalogue or manuals.
- 2 Calculate the input/output voltage rating of an instant power supply.
- 3 Draw the CKT. Diagram.
- 4 List the materials required for manufacturing IPS.
- 5 Prepare the PCB according to the circuit diagram.
- 6 Insert the Components on the PCB as Per circuit diagram and solder them.
- 7 Fix up the PCB and other components.
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Re-wind a single phase motor.
- Study the winding rules and diagram.
- Disassemble a single phase motor.
- Select the winding materials.
- Select the tools & equipment for winding of motor.
- Draw the winding diagram of motor.
- Remove the existing damaged winding.
- Count the number of turns and weight the removed coil.
- lean and wash the slots by petrol.
- Make a former for winding of coil.
- Make winding on former.
- Insert the leatheroid paper into the slot of stator of the motor.
- Place the coil in the slots of the core.
- Joint the coil as per winding diagram.
- Put ampere tube in terminals.
- Test the winding for continuty, insulation resistance, short circuit, open circuit and
arth or body.
- Warp the coil with cotton tape.
- Apply varnish and bake the coils.
- Assemble the motor.
- Connect power and test the performance of the motor.
- Analyze the cost of rewinding of motor.
- Rewind 3-phase induction motor.
- Study the winding diagram of a 3-phase induction motor.
- Disassemble the stator of the motor.
- Take out the coil from the stator of the motor.
- Count the number of turns of one of the damaged coil.
- Measure the size of wire of the damaged coil.
- Select the materials required for winding.
- Select tools and equipment for winding.
- Construct former for making coils.
- Wound the coils on former.
- Clean and wash the slots.
- Insert the insulating paper into the slots of stator of the motor.
- Insert the coils in the slots.
- Make group connection.
- Test the winding of each group for open circuit, short circuit & body on earth.
- Warp the ends of coils with cotton tape.
- Connect the terminals of the group to the terminal posts of the terminal box.
- Apply varnish on winding and bake.
- Connect the motor with power line.
- Test the motor.
- Analyze the cost of rewinding.
