Answer / omar aziz

1. Maximum Demand
2. Downstream equipment starting characteristics
3. Total downstream kVA

Answer / aaman samal

for the selection of transformer the following points are
necessary

1. power demand
2.power factor
3.load factor and types of load

Answer / abhishek robinson

Thermal Loading of transformer
Fault Current

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

0 Answers  

---

how u change the vector group of a transformer like DYN1 to ynd11

2 Answers  

---

difference between temperature sensor and temperature switch

3 Answers   ABB,

---

what type questions asked in hp cl

0 Answers   HPCL,

---

Please give the formula for converting from 1 tr refrigeration to kw.

2 Answers   Bugema University,

---

---

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

0 Answers  

---

Why neutral wire is heating in symmetric single phase distribution of three phase power supply?

2 Answers  

---

1)Why potential transformer primary site grounded? 2)can be loop between neutral & body for grounding? 3)What is the difference between ELCB &RCCB? 4)Why we use iron core in transformer insted of wooden core? 5)what is the principle of excitation? 6)Why we test the core balance test for transformer? 7)what is creepage?What is the creepage length for insulators at different voltages? 8)How much type of relays used for differential protection of generator,transformer & busbar protection?

5 Answers  

---

concept of busbar and load dispatching..?

0 Answers  

---

we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.

2 Answers  

---

i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

1 Answers  

---

please tell me the all the spcications of the 100MW 11KV HYDEL POWER PLANT SPECICATIONS

2 Answers   Bhel,

---