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What is the meaning of capacity of a 63 Amps TPN MCB? Is it the per phase capacity or the totol capacity?
1 14441Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.
GE,
22143 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.
2659I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.
1873What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com
1925Post New Electrical Engineering Questions
Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????
What is hipot test procedure?
What is the meaning of HT Trivector Meter ?
what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line
Is there any specialised book to refer about fault level calculation both in MV and LV side??
Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards
How do you select the pickup value of the relay?
Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?
I'm looking for a softcopy manual set for a Credence ASL- 3000. Anyone know where I can get it?
what is the soft starter principle? how is connection diagram? what is the procedure for checking the connection?
I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.
Explain in brief description about the operation of DG sets.
How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?
How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?
Can double compression glands be used with regular cables?
