if the power factor is .88 i want to increase the power factor to .99 what number of capacitor is to add?
3 5222i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.
2843please design a rectifier with batteries for below requirement and also explain how you calculate this solution, Load = 700Amp DC Backup time = 6 hour. please explain briefly ?????
GNFC,
1 3091What does the temperature (30 deg or 35 deg celcius) mark on conservator of transformer indicates?
2 3000at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?
ONGC,
1406Post New Electrical Engineering Questions
How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?
What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.
determine two methods to find loose connection in operational electrical system?
Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB
The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is
How to Calculate The sag of OPGW in Transmission Line???
In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases
How can a equal potential zone be carried out in conductors?
what is the function and use of cable differential protection relay?
What is q factor?
Operation of isolators.
Difference of induction motor & servo motor ??
how to prepare the technical test
i need the curve duty cycle and amper for (150 kva @50% dyty cycle) transformer turn ratio :19 and vin 400
how to find the voltage's of a transmission line plzz help with pictures i am not able to understand