Answer / vicky

Please see the link below
http://lightingcolumns.eu/lightning-protection-mast/

What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

2 Answers   Reliance,

---

Can you use step up generator transformer of voltage ratio 16.5kv/420kv in place of step up generator transformer 15.75kv / 420 kv

1 Answers  

---

why dc measurements are noted in mc whereas it is mi in ac measurements?

1 Answers  

---

Simple explanation of kirchoff's law

2 Answers  

---

Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.

1 Answers   Electrical Tech,

---

---

what is the function of compressor?

2 Answers  

---

Why should we use jelly filled armoured cables in underground Communication system? What is the use of the Jelly? If we go for unarmoured, then what happens?

1 Answers   Prasad Group,

---

what do you mean by star point.its importance in ct & pt

2 Answers  

---

In any Industry, Which voltage level either 3.3kV or 6.6KV to be chosen? Then I would like to know ,Is there any cost consideration or Rating of motor?

5 Answers  

---

what will happen if instead of neutral we use earth wire as return conductor?if we can use ,then why we are not using in our day to day appliances?please justify the answer

11 Answers   NTPC, ONGC,

---

1)why the transformer rating in KVA insted of KW 2)why the secondary of ct is shorted and why the PT secondary is open

3 Answers  

---

how squirrel cage & slip ring motor works? how they differ from each other

1 Answers  

---