Answer Posted / j.ganapathynagarajan

It is Thermal holding capacity of that Fuse/C.B,based on
that we are classified the fuses for various rating.If more
current will flows that particular fuse, the fuse wire
would be blown. depend upon the circuit capacity we have
selecting the fuse ratings. this is related to Ohm's law
I=V/R.

wht is embedded systems? what is new inthis field?

2001

---

how to increase senstivity of ct

2420

---

Dear all, I just want to ask an expert on this forum for some insights. For the magnetic balance test, when applied voltage on a Delta-Star transformer e.g. Dyn11, the following relationships apply for HV side: 1.  H1-H2 = H2-H3 H3-H1 2.  H2-H3 = H3-H1 H1-H2 3.  H3-H1 = H1-H2 H2-H3 For the LV side also: 4.  X1-X0 = X2-X0 X3-X0 5.  X2-X0 = X3-X0 X1-X0 6.  X3-X0 = X1-X0 X2-X0 Is there a similar pattern for Y-d, Y-Y, D-d? And how about Y-z, D-z, Z-y transformers? I've tested a YNzn5 transformer and for LV side I don't see the pattern. In this particular case I got for LV side the following (see values below): H1-H0  H2-H0  H3-H0    X0-X1  X0-X2  X0-X3 128.0  119.9  7.2      29.2   13.3   15.8 70.7   128.4  59.2     23.4   22.0   3.6 7.2    120.1  128.1    13.4   29.3   15.8 What is the relationship here for LV? For row 1 I see the relationship, for row 3 I also see but it's shifted, but for row 2 I don't see such relationship. Any suggestions, answers, someone?

1855

---

what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

2093

---

how to compute kAIC?  with formulas...

4232

---

DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER

2039

---

how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?

2771

---

what is zinc diffusion?

2085

---

if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

1659

---

why impudance relay used for medium transmission power system? why not others?

1458

---

what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks

2215

---

how to find impedance , mutual indatnce in transmission lines

2289

---

sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers

1975

---

i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1847

---

how brushed dc motor operating ?

1882

---