• Construction
• Function
• How a capacitor stores charge
• Capacitance
• Unit of capacitance
• Sub units of a farad
• Factors determining capacitance
• Area of the plates
• Distance between the plates
• Type of dielectric material
• Temperature
• Types of capacitors
• Fixed capacitors
• Ceramic capacitors
• Mica capacitors
• Electrolytic capacitors
• Electrolytic capacitors are available in two types
• Paper / plastic capacitors
• Air capacitor
• Trimmers and padders
• Varactors
• Short circuited in capacitors
• Open capacitors
• Leaky capacitor/ leakage resistance
• Checking capacitors
• Capacitor action –normal resistance test
• Charging- holding test on capacitors

Table fan – terms –types of motors- winding details – data to be collected

• Table type fan
• Rated voltage
• Rated speed
• Blade sweep
• Winding shaded pole type table fan
• Ca0pacitors motor
• Procedure of preparing winding table for capacitor type table fan
• Splitphase means there are two phases
• Determine the winding table for the arrangement of coils
• Winding capacitor type table fan

Method of connecting and connection group connection terminal leads

• Method of coil connections
• Method of lead connection
• Testing of windings
• Continuity test
• Internal gowler method
• Voltage drop method
• Ohmmeter method
• Ground test and insulation
• Magnetic compass method
• Two screwdrivers method
• No load test

Insulating vanish and vanishing process in electric machine

• Type of varnish
• Baking varnish
• Thermosetting
• Solvent less varnishes
• Varnish thinners
• Preheating
• Varnishing process
• Vanish sripping
• Impregnation
• Varnish stripping

Capacitor- start induction motor

• Construction and working
• Reversing the direction rotation
• Characteristics
• Application
• Capacitors used in single phase motors
• Method of testing capacitors
• Charge discharge test
• Ohmmeter test
• Capacity test
• Insulation test on capacitors

Capacitors start capacitor motors

• Method of testing capacitors
• Charge discharge test
• Ohmmeter test
• Capacity test
• Insulation test on capacitors

Capacitors start capacitor run motors

• Permanent capacitor motors
• Capacitor start capacitor run

Universal motor

• Characteristic and application
• Speed control of universal motor
• Series resistance or applied voltage control method

Electric drills

• Light duty drill
• Heavy duty drill
• Acessories
• Drill sizes
• Drill bits
• Electric drill maintance
• Drill safety

Ginders

• Selecting  a grinder
• Grinding wheels

Electric hammers

• Types of hammers
• Operating electric hammers

Circular saws

• Using the circular saw
• Circular saw blades
• Angular cutting
• Plunge cutting

Electric sanders

• Sanders
• Installing a sanding belt
• Using the balls sander
• Pad  sanders
• Loading the sander
• Using the pad sander
• Disk sanders
• Using the disk sanders

Linear motion saws

• Saber saw baldder

Maintenance procedure for DC machine

• Preventive maintance
• Planned maintanace
• Necessity of preventive maintance and its importance
• Daily machine
• Weekly maintenance
• Monthly maintenance
• Half yearly maintenance
• Annual maintenance
• Records
• Maintance card

Apply for Certification

https://www.vskills.in/certification/Vskills-Certified-Electrical-Power-Tool-Mechanic