Interested to Buy Any Domain ? << Click Here >> for more details...
what happens when d cexcitation given to alternator is
removed while it is running or what happens when dc
excitation is failed in alternator while running?
- 10 Answers
- 21626 Views
- I also Faced
- E-Mail Answers
Answer Posted / atul
if excitation fails let d case of hydro generator the prime
mover is turbine. since turbine ic moving and is coupled
with generator shaft and no flux to control its speed it
will go out of path or speed will increase beyond
synchronism
| Is This Answer Correct ? | 8 Yes | 6 No |
Post New Answer View All Answers
how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.
What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)
Difference between a pilot wire and a normal conductor?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
Transmission through a short line depends on
how ct burden,magnetising current,ratio and knee point voltage are related & derived
WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?
Q: How to calculate Transformer losses , tell us by Formula.
In EB metering we face problem kva jump even in no load condition.can any one help to control this
If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
What is resonant frequency?
Draw the circuit of clapp oscillator?
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?
bitumar
