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We in my plant one of the transformer showing neutral to earth voltage is 22V how to solve it
3 5728why 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 7655Hi 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.
20421)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 13215Which 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 7985Post New Electrical Engineering Questions
What is different between Circuit breaker and Isolater?
Difference of induction motor & servo motor ??
Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???
in what type of applications v can use q meter?
How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?
What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?
If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?
what is the meaning of 0.5ohm Resistance
why output is out of phase in case of common emitter?
How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke
The windings of a transformer are divided into several coils, because?
What is error of a measurement?
Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example?
What are conduct on the testing in cf in ur site?
Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?
