Answer Posted / mrudang

in the case of battery

we want to know how the batteries are fully charged
we need to monitoring of three parameters of battery
1) specific gravity value range 1195-1220
2) Temperature not exceed 40-42 celsisus
3) Voltage

if these three value are constant in three hours monitoring
ur batteries are fully charged

i got this experience

i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

2088

---

what is a vector protection in transformer

2033

---

what is the difference between the voltage of 5 volts capacitor and and 5volts battery?

1946

---

what is meant by impedance & transient protection?

2112

---

What is stepper motor. What is its uses?

1274

---

For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

1228

---

design a LV scheme for a 15 storied building?

1954

---

how we explain parallel paths armature winding?

1966

---

What are the special cables required for explosion proof wiring?

3588

---

Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1947

---

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?

1876

---

IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

2379

---

In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..

1950

---

WRITEDOWN FEW RELY CODES

2282

---

How many VSC based HVDC are there in India and the world

2241

---