Answer / anupam

freequency converter converts the level of frequency where
as inverter changes d.c to a.c and vice versa...

Answer / khatib

frequency converter you can change the frequency only , but
in the inverter you can change the voltage in rated to
frequency as : v/f = constant , this type make a torque more
efficient than the first method.

if we give 60 hz single phase supply to the transformer used in europe , than what will happen

0 Answers   Core Logic,

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what is the difference between thyristor & IGBT?

2 Answers  

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What is inrush current? how can calculateit? what is the affect of it?

0 Answers  

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What quedtion to ask a electrical maintenance technician?

5 Answers   Bhel, Royal Furnishers,

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Which are Electrical componet and Electronics componet??

2 Answers   KarMic,

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how is working bearing heater?

0 Answers   ONGC,

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types of arc quenching methodes

2 Answers  

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What happens if the series current double?

0 Answers  

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Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

0 Answers  

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why using touble tube lamp use in factory?

3 Answers   ONGC,

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1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

0 Answers  

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If two hack saw blades, seperated by 1mm thick paper,are connected across 230volts, and immersed in water,then they start getting heat. This is fact,i dont know how they get heated.Blades are not directly connected together. Please if anybody knows the fact ,revert back to me

3 Answers  

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