How to reverse the direction of a DC motor ? By reversing the Armature wires or by reversing the field wires

2 Answers   KFC,

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1.what is the contact resistace of CB ? 2.radioactivity should be mesured with---------?

3 Answers   Power Grid,

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how can we select the appropriate VCB ?

0 Answers   Reliance,

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1.What is effect of capitance in transmission line? 2. After raising the voltage at receiving end what will be happen? 3.how we nullify or control the raised voltage at receiving end?

3 Answers   NTPC,

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1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.

2 Answers  

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what type of earthing is done on hilly rocks.

4 Answers  

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What does the a,b,c of 95a,95b,95c relays denotes?

0 Answers   KSEB,

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how LVDT works?

2 Answers  

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the transient state stability limit of a system wherin power is transmitted throgh a double transmission line is (a)equal to steady state stability limit (b)more than its steady state stability limit (c)less than than its steady state stability limit (d)equal to its dynamic stability limit

1 Answers  

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What is difference between insulating medium and fault current interruption medium in a switching device.

0 Answers  

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hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

0 Answers  

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In 11KV Double pole structure for each phase we are using Disc one Insulator. Why we are not using 2 r above insulators instead of one insulator?

4 Answers   Genus,

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