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We in my plant one of the transformer showing neutral to earth voltage is 22V how to solve it
3 5716why in some cases the receiving end voltage is higher than the sending end voltage in transmission line (called 'Ferranti effect') ????? whts the reason behind tht???
3 7644Hi If connecting a temp generator 670KVA .415kv with step up Tx .415/11kv. I am given Generator impedances Z1 Z2 Z0 to 100MVA base. Do I need to work out the generator fault current by using these impedances i.e gen rating / impedance. Then use this as my source impedance for the calculations that follow.
20401)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?
5 13208Which is is best option for 33 kv line incomer.I am Desinging the panel for new projects and i would like to get Your opinion on this Vcb or sf6. Please help me with your replies. Thanks D p singh
6 7975Post New Electrical Engineering Questions
How does a transformer contribute towards the widespread popularity of ac system over dc?
why moisture formation found in XLPE Armoured cable outer sheath
What are the temperature elements?
What is meant by short-pitched winding?
what is earthing.how we make it,describe briefly.
Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output
What does the term power factor shows?
How do apply electrical 'c'license......pls advice
in a simple IDMT relay we use neutral point of ct for earth fault then what is the requirement of neutral ct and cbct?
What is the most accurate way of testing ELCB?ELCB is better than RCD?
how to calculate percentage impedence at 75 deg C at normal tap
If I have Energy Meter Ratio as 100:5 & Also I have CT Ratio as 50:5 then what will be my multiplying Factor(M.F.)
Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?
What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB
hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly
