Electrical & Electronics Engineering Laboratories

Government Polytechnic Curchorem > Electrical & Electronics Engineering Laboratories

The Department is well equipped for teaching and is continually upgrading its laboratories to expose the students to the latest equipment in Electrical & Electronics Engineering. The Students are also allowed to use laboratories for their project work.

Currently there are four laboratories in the department.

Basic Electrical Lab

Lab In charge: Mrs. Sithal R. Fal Dessai (Lecturer in Electronics Engg.)

Lab objective:

  • Objective of basic laboratory is to expose students to the practical executions of the fundamental theories of Electrical Engineering.
  • Practical’s in the following subjects are conducted in the basic electrical lab
  • Basic engineering (Electrical)Practice.
  • Electrical & Electronics workshop.
  • Electrical measurements and instruments.
  • Substation practice.

List of equipment’s:

  1. Over current Electro Mechanical Relay Trainer
  2. Differential Relay Testing system
  3. Meter Demonstrator
  4. MCB & HRC Fuse Testing
  5. Transformer Oil Testing Kit
  6. Earth Fault Relay
  7. Wire Wound Rheostat
  8. Star Delta Starter
  9. DOL Starter
  10. Insulation Tester
  11. 3 phase Motor Trainer Kit
  12. Motor Generator Set
  13. DC Motor Trainer Kit
  14. Transformer Trainer Assembly Cut View
  15. Current Transformer Ring Type
  16. Auxiliary Transformer
  17. 3 Phase Loading Rheostat
  18. 3 Phase Auto Transformer

List of experiments /skill developed:

  • Recognize the tools of the trade and the materials (electrical components).
  • Handle tools and materials (pick, move and set down) and to handle objects without damage to either the object or other objects in its environment or hazard to any person.
  • Perform the elementary, specific detail tasks such as to hold the tool appropriately for use, to set the tool in action.
  • Repair and maintenance of different electrical equipment’s such as mixer, fan, power supply etc.
  • Estimate the material required for house wiring.

Operate various meters/ instruments and interpret the measurement.

Electrical Machines lab

Lab In charge: Mrs. Siddhi S. Pai alias Siddhi  R. Talwadker ( Lecturer in Electrical Engg)

Lab objective:

  • To impart hands on experience on Electrical machines like DC machines, synchronous motors, transformer and induction machines.
  • Practical’s in the following subjects are conducted in the Electrical Machines lab
  • Electrical Machines I
  • Electrical Machines II
  • Electrical Drives

List of equipment’s:

  • DC shunt Motor
  • Pole changing Induction Motor
  • Squirrel Cage Induction Motor
  • Squirrel cage Single phase Induction Motor
  • Synchronous Three Phase Motor
  • Schrage Commutator Motor
  • DC compound Motor Coupled to DC Generation
  • Master Unit & Electrical Machine Trainer
  • Three Phase Transformer
  • Single phase Transformer.
  • Alternator panel

 

 

List of experiments /skill developed:

  1. OCC, no-load test, load test on dc generators
  2. No-load test, load test and speed control methods on dc motors
  3. Open circuit, short circuit and parallel operation on transformers
  4. Blocked rotor, no-load and load tests on three phase induction motors
  5. Open Circuit, Short Circuit and slip tests on synchronous machines to determine their performance characteristics
  6. Dynamic braking of DC motor
  7. Plugging of induction motors, Speed control of induction motors.

Applied Electronics Lab

Lab Incharge: Mrs. Zindia K Raikar (Lecturer in Electronics Engg)

Lab Objective:

  1. Understand the principles and working of basic electronic components, devices and instruments.
  2. Apply theoretical framework in practice for subjects such as Circuits and Networks, Introduction to Microcontrollers, Electronic Instrumentation, Applied and Integrated Electronics, Elements of Communication Systems.

 

List of Equipments:

  1. Cathode Ray Ocilloscope-
  2. Regulated DC Power Supply-
  3. Function Generator-
  4. Function Generator Trainer
  5. Colour TV trainer Kit
  6. Frequency/ Amplitude Modulation kits
  7. DSB/SSB AM Receiver Trainer
  8. DSB/SSB AM transmitter Trainer
  9. Power Electronics Kits
  10. Multimeters
  11. Electronic Instrumentation kits such as RTD, Thermocouple, LVDT, Strain Gauge, Thermisters, Piezo Electric Transducer, Characteristics of Photo Diode and Photo Transistors, Potentiometer as Displacement Transducer
  12. Circuits & Networks Kits-Thevenin Theorem, Norton theorem, Superposition, Kirchoff’s Law, Ohms Law, series Resonance, Constant K type filter, High pass & Low pas filter.

 

List of experiments/skill developed:

  1. Verification of basic network laws and theorems
  2. Study of RLC series resonance circuits
  3. Study of RC Integrator and RC Differentiator
  4. Study of filters LPF &HPF, T & PI Type
  5. Verification of rectifiers, Zener diode regulators, transistor biasing circuits, Op-amp based applications
  6. Executing basic assembly level programs on 8051 micro controller kit.
  7. Interfacing 8051 with peripherals such as LED’s, 7 segment display, ADC/DAC.
  8. Verify working of transducers such as resistive, inductive, Capacitive, LVDT, strain gauge,photo-transducers, thermo-transducers.
  9. Study of modulation and demodulation techniques on trainer kits.
  10. Identification of faults in different sections of TV transmitter.

Digital electronics Lab

Lab In charge: Mr. Vaibhav V. Velip (Lecturer in Electronics Engg)

Lab objective:

  • Objective of digital laboratory is to acquire basic knowledge of digital logic levels and applications. It provides the platform for multidisciplinary design and projects.
  • It also aims to impart practical knowledge of Power semiconductor devices and power electronics circuits.
  • Practical’s in the following subjects are conducted in the digital electronics lab
  • Digital Electronics.
  • VLSI design.
  • Power Electronics & Drive Control.
  • Industrial Automation.
  • Electrical Drawing using CAD

 

List of Equipments

  1. 16-bit Digital Kits
  2. Power Electronic Kits
  3. Characteristics of DIODE, TRIAC, DIAC, SCR Kits
  4. IGBT Characteristics Kit
  5. SCR full wave & Half wave Controlled Rectifier Kits
  6. 4 -bit up/down Counter Kit
  7. JK, RS, Flip Flop Kits
  8. D/A converter Kit
  9. Encoder & Decoder Kits
  10. Microcontroller Trainer Kits
  11. PLC Trainer Kits

 

List of experiments/skill developed:

  1. Verification of Logic gates and Demorgan’s Theorems
  2. Study of basic combinational circuits using logic gates.
  3. Study of basic Sequential circuits
  4. Study characteristics of Power electronics devices
  5. Study power electronics circuits such as inverter, cycloconverter, AC voltage controllers, etc.
  6. Write and verify ladder programs for basic applications.

Verify ladder program for PLC based applications such as conveyor system, elevator system, bottle filling etc.