Answer / babu

ripple= unwanted ac signal
harmonics=other than fundamental freq

Answer / thran

Ripple is unwanted ac signal Harmonics is line distrub...

Answer / prajapati tarun r

Ripple: its not pure DC signal but some AC signal are added
Harmonics:it's a fluctuation of AC signal frequency

i heard that power factor(PF) is the main concern for industries, if they are maintaining PF around 0.6 they will be fined for that. now the question is, how can they improve the PF ranging between 0.9 to 0.95 which is safe for them i,e escaping from the fine?

5 Answers  

---

Do you know the faults occurs generally in motors and how to rectify them?

4 Answers  

---

what is motor

6 Answers   HBL Power Systems,

---

what is the relation between voltage & frequency

11 Answers  

---

what is phase to phase to phase to ground fault

1 Answers  

---

what is stray capacitance?

1 Answers  

---

What is current and voltage?

5 Answers  

---

when the control mechanism is present for an ammeter(1-10A) and 1A current is apllied what will be the reading of the meter?

2 Answers   GATE,

---

how a generating station can monitor its multi users power factor. What type of incentive /penalty is associated with power factor management.

1 Answers   Sojex,

---

Need help. 3 phase system. Neutral line arced and melted upon connection of connector with 3 phase power. Why would that happen?

4 Answers  

---

How does PLC work for sychronising of Two or more DG sets?

0 Answers  

---

what are types of servo motors

1 Answers  

---