Polytechnic Hub - Page 89 of 92 - for Electronics, Electrical, Mechanical, Automobile & Textiles

Application and advantages of sensors

Sensor Advantages Disadvantages Applications Limit Switch sensors High Current Capability Low Cost Familiar “Low-Tech” Sensing Requires Physical Contact with Target Very slow response Contact bounce Interlocking Basic End-of-Travel sensing Photoelectric…

Ravi Barwad October 17, 2014

Electrical Articles

Difference between AC Servo Motor and DC Servo Motor

Following are main difference between AC servo motor & DC servo motor A.C. Servo Motor D.C. Servo Motor Low power output of about 0.5 W to 100 W. Deliver high…

Ravi Barwad October 15, 2014

Electrical Articles

Power Factor Correction

Capacitive Power Factor correction is applied to circuits which include induction motors as a means of reducing the inductive component of the current and thereby reduce the losses in the…

Ravi Barwad October 13, 2014

Electrical Articles

Features for different types of circuit breakers

Factor Oil Breaker Air Breaker Vacuum/SF6 Safety In oil breaker circuit risk of explosion and fire due to increase in pressure during multiple operations In air breaker emission of hot…

Ravi Barwad October 12, 2014

Electrical Articles

Difference between Shunt Capacitor and Series Inductor Filter

Following are the difference between shunt capacitor and series inductor filter: Parameter Shunt Capacitor Series Inductor Place of filter Across the load In series with load Useful in Reducing ripple…

Ravi Barwad October 10, 2014

Mechanical Articles

Classification of machine design

There are mainly three classification of machine design which as under: Adoptive Design Development Design New Design Adoptive Design In this design the work on existing product with adopt of…

Technical Editor October 10, 2014

Electronics Articles

Advantages and disadvantages of cold lime soda process

Cold lime soda process, when hard water is treated with calculated amount of lime [Ca(OH)2] and soda ash (Na2CO3) at room temperature 25ºC, the soluble Ca and Mg salt present…

Technical Editor October 8, 2014

Electrical Articles

Difference between Synchronous Motor and Induction Motor

Synchronous Motor Induction Motor Synchronous motor construction is complicated. Induction motor construction is simpler, particularly in case of cage rotor. This is Not self starting. This is self Starting Separate…

Ravi Barwad October 2, 2014

Electronics Articles

What is LED light?

LED lights are the latest technology in energy efficient lighting. LED stands for ‘Light Emitting Diode’, a semiconductor device that converts electricity into light. LED lights are super energy efficient,…

Technical Editor October 1, 2014

Electrical Articles

How to find Amp (Amperes) in ac and dc

E = Voltage I = Amps PF = Power Factor Eff = Efficiency HP = Horsepower Formula for finding Amperes when Horsepower is known in direct current (dc) and alternative…

Ravi Barwad September 29, 2014