Answer / mamun

bcoz the single phase IM can not start by self i.e no starting
torque. if use capacitor with starting winding that make
higher angle between the starting winding current and
main/running winding current, so the 1-phase IM can be start
with the help of capacitor.

Can anyone send details regarding motor protection relays ? their manuals please ?

1 Answers  

---

what is PPI DB?

2 Answers   Priyanka Electricals,

---

if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

1 Answers  

---

What are the different modes of plc processor?

1 Answers  

---

What will happen to the speed of synchronous machine subjected beyond the pull out torque? Are the behavior shown by rotor remains same for both the alternator and motor?

1 Answers  

---

---

Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

0 Answers  

---

What value of resistance required between Saftey earth and instrunment earth , maximum and minimum values required

1 Answers  

---

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

---

what is back emf?

4 Answers   Bhel,

---

What is RCBO? hw it works

2 Answers  

---

if earthing is not connected to computers any problem ?

2 Answers   HP,

---

what is soft starter?working principle?where it can use?

3 Answers  

---