Answer / elango k

it is based on the charaterstic of olr
100% to flc can be set it is normal
85% to flc can be set it is sharp
because an olr starts to work 115% of flc
for eg. if a motors flc is 100 amps
i am setting 85amps , the olr starts to work
at 100amps it trips the motor

Answer / balasubramaniyan.t

Overload setting in the thermal overload relay to be done based on the motor full load current.The setting current of the relay should not exceed the motor FLC.

Answer / veerendra

the overload relay setting is donr based on the value of
line current of the motor..
first calculate the line current & set the elay for the same..

How many distance in distribution pole OR 33Kv line pole

2 Answers   Sail,

---

We are having Chemical earthing pit the voltage between neutral to earth showing 22V how to solve that

4 Answers  

---

what will happen while giving 2 phase supply to 3 phase motor

5 Answers  

---

Distinguish between Earth & Neutral?

5 Answers   Essar,

---

Pole of s-plane gives the information about?

2 Answers   CCP,

---

Why design 150Hz in Exciter

1 Answers  

---

how to calculate compresor capacity?

0 Answers  

---

what is wave trap? please explain the working and principle

4 Answers  

---

Formula to calculate fault current flowing in the neutral line?

1 Answers  

---

what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 Answers   ABB,

---

What we change frequency from transformer. yes or no

3 Answers   Intas,

---

What is the difference between indoor and outdoor transformer

0 Answers   Ama Airfield Lighting System,

---