Answer / devi

cell tapping is done to avoid boost voltage to the load. boost voltage will be use only for charging the battery , as it is higher voltage it should not be applied to load , to avoid that 84th cell tapping is done .

How to select the proper VSD to operate high inertial load

0 Answers  

---

why make protection 85% of winding?

1 Answers  

---

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?

22 Answers   L&T,

---

Normally the starter used to reduce the starting current.but the dol starter do not it,so why we use it?

4 Answers  

---

my first school?

1 Answers  

---

---

what happens when d cexcitation given to alternator is removed while it is running or what happens when dc excitation is failed in alternator while running?

10 Answers  

---

What is thef ormula to calculate the rating of a capacitor for a single phase motor

2 Answers  

---

we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

0 Answers  

---

why do fans generally rotate in anti clock wise direction??

2 Answers   BMS, FIS, IBM,

---

HOW TO SIZE THE TRANSFORMER OR WHAT ARE THE STEPS INVOLVED IN FINDING THE SIZE OF THE TRANSFORMER FOR GIVEN LOAD SAY 2000KW ?

1 Answers  

---

in transformer input is d.c signal which type of emf is induced

1 Answers  

---

How much ampere can withstand for 2sq mm c able?

2 Answers  

---