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sir, my question is that if we start any three phase induction motor with star connection.will be current taken ? please send a formula.
ABB,
4 10576i have a roll dia aprox.43 inches and gear box ratio is 14.3.so my question is how was decide the kw rating of motor.
1 2993Which UPS (inverter) is better and why ? 12 V inverter and 24 V (two 12 V batteries in series) inverter which is better ......... which has the longer backup which has the greater charging time which has the greater discharging time thank you
2 4167why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?
3 61791 Ton = ? amperes & power. How much power 1.5 TON split AC consumes in an hour at 17 C , 26 C & 28 C (thermostat' temperature).
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18 450233how to determine the cable size...pls explain me with the formula taking particular load....does the factors like impedance & short circuit rating influence the cable size, if so how....
2007When capacitor bank connect on line. It's draw some current but it's current not increase of main line ammeter. Why?
1 6089Post New Electrical Engineering Questions
What is meant by Load Encroachment in OHL Feeder Protection?
how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
Dyn1 transformer vector group testing how to do
Swg formulae
Please tell me the formulaes while designing a substation for power Calculations in designing a 33 KV Substation?????
How many types of protection relays are there based on the characteristic?
what is the usage of microcontroller in the panel board?
how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........
How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?
what is KSR type transmission tower? What is LSR type transmission tower?
Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?
Can I use star delta connected induction motor for dual supply voltage?
How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?
What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?
how is capacitor bank look like
