Answer / vijaykumar

2

Answer / harjinder singh

1. transformer design formula ?
2. how to calculate the primary turns and secondry turns ?
3. core types ?
4. how to find the primary current and secondry current ?
5. how to calculate the stacking factor ?
6. range of fulx density
7.plz send 400v step dowen 115v 600va transformer desgine
send + detail and use formula

Initially motor starts with star connection ,after few timing changes to delta connection, why the motor should run continously in star connection,it gives high torque & low current?

3 Answers  

---

Transformer/insulating oil tester(BDV tester)

1 Answers  

---

What is the name and type of power transformer oil?

4 Answers  

---

why and where we use early make & late break contacts in protection?

0 Answers  

---

How we can differniate the overhead lines feeded by hydro power stations & thermal power stations

1 Answers  

---

---

how does the harmonics enter into the induction motors?

1 Answers  

---

what is difference between delta-delta,delta-star transformers ???

3 Answers  

---

how do we calculate cable sq mm size,that if 50 A load

2 Answers   GTL, PowerTech,

---

how to select fuse in any circuit? if with fomula ?and examples also

1 Answers  

---

How instantanious short circuit current is calculated? its formula?

1 Answers  

---

I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

0 Answers  

---

Does human body can effect the electric shock when stand on Insulated material?

2 Answers  

---