Answer / pichumani

FSU is better than SFU. The fuse is totally isolated from
supply in off position. Can be mounted in any
configuration as incoming and outgoing can be connected on
either side. In SFU the incoming can be connected only to
the switch side and not on the fuse side.

Answer / k.prakashchandra

SFU- switch -fuse-load.So it is easier to replace fuse.FSU-
fuse-switch-load-so it is easier to replace or repair
switch In case of wall sockets FSU is better and in case of
distrbution box SFU is better

How can we calculate the motor frame sizes?

0 Answers   Essar,

---

active elements are those which are capable of

2 Answers  

---

whta does the middle finger stands in flemings left hand rule

3 Answers  

---

What is disadvanage if power factor goes to in leading..?

0 Answers  

---

Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole

1 Answers  

---

Why we use Y-Y connection in power transformer (8-10 MVA, 132 kV to 11 KV)and D-y in distribution transformer (2 MVA, 11 KV to 440 Volts)?

4 Answers  

---

why we short ckt the secondry vo5tage/ winding in transfr and motor?

2 Answers  

---

I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

0 Answers  

---

How can we calculate the Rating of DG Set for a 4 kw motor?

3 Answers  

---

What are the protection schemes used for protection of transformers ?

3 Answers   Engineers India Limited,

---

What r the specification furnishid in motor name plate?

5 Answers  

---

What is the function of the exiter in DG.

3 Answers  

---