Answer Posted / guru

The Differential relay works on the principle of difference
of current in primary and secondary circuits of a busbar or
transformer etc.,

Generally the PS Class cores of the CT is used in operating
the differential relay

Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

4714

---

what is the use of the circle diagram

5583

---

please give me all the Alarm .Trip ,Safety Relays & Conditions of UPS Systems mail me on ashokbabunhce@gmail.com

1780

---

I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

1662

---

How to calculate cable size in HT AND LT

2009

---

lorteny method

1994

---

sir plz send some previous year questions of jspl.

1925

---

Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

1899

---

Dear sir, I have completed DECE in the year 1995. I have work experience in HT and LT LINE more than five years. Now i am doing BE in EEE from rajasthan university. After completion of BE,can i apply "C" Licence sir? Please reply.

1903

---

i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good

2143

---

bsnl tta exam question

1869

---

ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

3406

---

how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

4568

---

The moisture in air will condense at

1177

---

sir i used 3 hp of motor for spraying pump, other home light and other home items which size of allminium pvc wire ix used

1881

---