Answer / lakhan singh

Power in Star and Delta circuit always be same. Becoz ,P=Vp*Ip*Pf while(in star Ip=Il,& Vl=sqrt3*Vp and in delta Vp=Vl,& Il=sqrt 3* Ip) so power remain constant

Answer / sandeep

it's 1:1

Answer / aseem chandel

Its 1:3

What is the capacitance values of 132,220,400 & 765 kV current transformer

0 Answers  

---

What is the maximum and minimum rating of UPS?

0 Answers   Indiabulls,

---

Why should not we run the IM in low voltage, if runs means what will happen?(for example instead of 400V we give 250V supply)

2 Answers  

---

Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir

0 Answers  

---

hi.. i am krishna. i've complide my diploma engg.in electrical.i applied many places for jobs.but i am always fear from written test.ican't get success in it. i think my basic engg. is weak..show me some idea please..!

5 Answers  

---

how many units (kwh) are there if in one MW?

5 Answers  

---

How to set an overload in a motor?

3 Answers  

---

what is the importance of earthing system on the generators big capacity and small?

0 Answers  

---

How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

0 Answers  

---

what is the acceptable insulation resistance for motor/transformer?

2 Answers   Reliance, Tata Motors,

---

last 5 year rrb allahabad junior engg electrial engg question paper

0 Answers   RRB,

---

In case you don't have coal and salt for earthing, how can you achieve good temporary earthing?

1 Answers   Focus Energy, NHPC, ONGC,

---