Answer / anirudh patel

IT IS ONE KIND OF LIGHTNING ARRESTOR AND USED TO PROTECT
THE EQUIPMENT AGINST THE HIGH VOLTAGE SURGES

Answer / swapnil

surge suppressors are used to protect the contactor from
heavy current. it is nothing but a simple circuit of
resistor and capacitor. It helps to suppress the surge.

Answer / rahul

Surge suppressor is nothing but a Lightning arrestor.
It consists of a spark gap in series with a non-linear
resistor nd provides protection to terminal equipment 4m
high voltage travelling waves.

Answer / ukl

surge supressor or we can say surge protector is used to
protect electrical devices from voltage spikes.

The voltage supplied to any electrical device is regulated
either by blocking or by shorting to ground voltages above a
safe threshold.

Answer / panks

It is nothing but Lightning Arrestor which arrests the
lightning strokes, heavy surges which may be induced due to
very high value of current & avoid damage of any electrical
equipment due to these heavy surges.

Surge Suppressor means that equipment which suppresses the
surges i.e. heavy lightning strokes.

For Electrical / and Electronic Systems, when we say efficiency is 80%, then what happens to other 20% from the Power consumption.? I.e. what happens to this?

1 Answers  

---

Why squirrel cage motor can only use with low starting loads ?

0 Answers   BEC,

---

Our Company's Contract Demand is 110 kVA. We use 12 Capacitors each of 12.5 kVAr Capacity to maintain Power Factor of 0.99. So, what steps should we take so that our Contract demand does not exceed 110 kVA?

1 Answers   Jindal,

---

If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

0 Answers   Kirloskar,

---

why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.

3 Answers   College School Exams Tests, Jindal Steel and Power, JIOL, NEC,

---

---

why neutral should connect to earth in delta-star type transformer

4 Answers  

---

how do you select the ct/pt rating in substation

1 Answers   Apollo, Shreem Electric Ltd, Tata Motors,

---

What is the differance between transformer neutral solidly earthed and transformer neutral earthed through resistor?

1 Answers   L&T,

---

Is HT capacitor rating connected directly to motor terminals , related to motor no load current?

0 Answers  

---

why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

0 Answers   Operational Energy Group,

---

Why do we have 110V, 230V, 415V etc. in electrical transmissions? Why not 100V, 200V,400V?

4 Answers  

---

what are the duty ratings in DG sets?

1 Answers   L&T,

---