Answer / ernesto matsimbe

IP (Ingress Protection) represents the level of protection the equipment has with regards to the immersion of moisture/dust etc... inside the equipment. Basically, where the equipment can be installed (Indoor/Outdoor). The higher the number the better it is.

For hazardous areas (HA) an accordingly EX rated equipment must be installed according to HA Classification (Zone 1, Zone 2 & Zone 3 for liquids and gases and Zone 21, Zone 22 & Zone 23 for dusts)

If the generator will not synchronize, what will you do?

3 Answers  

---

If our power factor is lagging then who is in profit? I mean consumer or Supplier!

1 Answers   Sail,

---

What would cause a 240v choke that should give 110v out on a 16w lamp to gradually increase to 160v?

0 Answers  

---

What is the safety protection? Name the protections of Transformer?

1 Answers   HSL,

---

How much load can give on 1600 kva transformer 11kv/440

5 Answers  

---

if AVR fails in alternator. what will be the effect.

13 Answers   HP,

---

Write down the design procedure of commutaj.

0 Answers  

---

The synchronous machine excitation system explain

0 Answers  

---

why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

3 Answers   Avantha Group,

---

Draw the equivalent circuit of crystal oscillator?

0 Answers  

---

Operation of isolators.

0 Answers   KSEB, L&T, Siemens,

---

What is the problem if we connect a weak capacitor to the system? is that profitable or Loss?

1 Answers  

---