imran shakoor


{ City } lahore
< Country > pakistan
* Profession *
User No # 29325
Total Questions Posted # 5
Total Answers Posted # 5

Total Answers Posted for My Questions # 19
Total Views for My Questions # 68001

Users Marked my Answers as Correct # 212
Users Marked my Answers as Wrong # 89
Questions / { imran shakoor }
Questions Answers Category Views Company eMail

What is the difference between RMS and average value

CEERI, HPCL,

5 Electrical Engineering 36408

When geneartor is running in poor lagging side power factor its excitation current increases then it is running in improved lagging side.Kindly tell me when gen is running in leading side what will happen

 3 Electrical Engineering 5500

Can any body tell me about Hi-pot test, and why it is necessary and its procedure of testing

 6 Electrical Engineering 7991

Can any body tell me about partial discharge test, and why it is necessary and its procedure

 1 Electrical Engineering 3673

kindly tell me how the load on generator increase by just increasing the fuel of prime mover, as if for exampple 20 MW gen set is synchronized the load ramps from zero to 20 MW gradully and during this procress only fuel of prime mover increases. Which thing determines the load on generator with respect to fuel

Birla,

4 Electrical Engineering 14429



Answers / { imran shakoor }

Question { Neco, 28311 }

WHAT HAPPEN WHEN CT SECONDARY OPEN DURING LOAD


Answer

In normal power transformers primary current depnds upon
the secondary current ( load on secondary side, as load
increases its secondary current increases and also primary
current increases )
While in CT primary current is independent, if CT secondary
opens secondary current becomes zero while primary current
remains as it is. Both currents counter each other during
normal operation, and if secondary opens so secondary
current becomes zero and due to the primary current ( now
no counter effect present ) its core becomes saturated and
CT may blast.

Is This Answer Correct ?    6 Yes 2 No

Question { L&T, 23766 }

CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE
IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND
TAKING OUTPUT FROM PRIMARY?


Answer

I THINK ANSWER # 9 IS ABSOLUTELY CORRECT

Is This Answer Correct ?    12 Yes 2 No


Question { 64728 }

what is the difference between KW and KVA?


Answer

KW= Active power
KVA= Apparent power

Is This Answer Correct ?    174 Yes 23 No

Question { TCS, 42849 }

why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything


Answer

The minimum value is 4 mA is because to avoid any confusion
of out put at lowest value.

Is This Answer Correct ?    10 Yes 62 No

Question { 8623 }

WHY DIODE IS CONNECTING ACROSS SWITCHES


Answer

in order to avoid reverse flow of current

Is This Answer Correct ?    10 Yes 0 No