|
|
 |
MODULES
NAME :
Basic
Electronics -Repair
and Maintenance of Power supply, Inverter and UPS
SECTOR :
Electronics.
TERMINAL COMPETENCY
: After completion, the participant would be
able to
maintain and repair of Power supply, inverter
and UPS.
Entry qualification :
8th std pass with age at least 14 years.
DURATION : 120 Hrs.
CONTENTS :
Practical Competencies
• Practice
procedure for electrical and personal safety measures
• Use of
multimeter
• Testing of
active and passive components
• Testing of
transformers
• Testing of
semiconductor components
• Testing of
unregulated and regulated voltages
• Soldering and
de-soldering techniques
• Assemble and
test rectifier circuits – half wave, full wave & bridge rectifier
• Assemble a
power amplifier circuit (ce,emitter follower)
• Assemble and
test an audio power amplifier (buzzer)
• Construct a RC-
oscillator and test it
• Find the total
load and select a suitable UPS/Inverter (rating factor)
• Installation of
UPS and Inverters
• Maintenance of
battery
• Opening &
dismantling an equipment and identifying the major parts , testing of major
components, identifying
transformers and checking , checking of power
modules, Charging , discharging and testing of batteries, repairing of
SMPS, simulating various faults diagnosing
and rectifying it.
Underpinning Knowledge (Theory)
•
Electrical and personal safety, dangers and preventions
• Multimeter and
its various application
•
Basics of
electricity –
define DC, AC
// practical measuring units of voltage,current, resisistance. Types of
transformers – its construction, testing
• Testing of
proper earth using test lamp
• Testing of
earth using multimeter
• Fuse – types,
use of fuses and its rating
• Basic
Electronics – passive and active components – testing of components,
MOSFET – precautions when handling
• Applications of
transistor – its uses
• Op-Amp –
Introduction, applications, construction, comparators
• Voltage
Regulator and their types
• DIAC, SCR,
TRIAC - applcation
• Digital
electronics – gates and its application, multiplexers, de-multiplexers,
counter
• Electrical load
their VA and watts.Various types of batteries used in UPS and Inverters and
their maintenance.
• Single phase
and three phase system,Different types of inverter, UPS, Working
principle, specifications, explanation with
the help of block diagram, basic principle
of working of power switches, testing
methods, discussions of various faults,
diagnosing methods, rectifying common faults.
|
