Answer / h s sandhu

CT and PT are the devices i.e. current and voltage transformers used for protection and metering purpose in the HT/LT system.Sensing current from CT and voltage measures the parameters on relational basis.

Answer / jagmohan singh

Ct is a current transformer the
measures in the load current.
Pt ia a potential transformer the measures in the circuit voltage.

Answer / abhishek giri

CT and PT are the devices i.e. current and voltage transformers used for protection and metering purpose in the HT/LT system.Sensing current from Current and voltage measures the parameters on relational basis

Answer / jagmohan saini

Ct ek transformer hota hai Jo current ko control karta hai or measuring ka kam karta hai
PT-ek transformer hora hai Jo voltage ko control karta hai or ye voltage ko measuring karta hai

pls send me some question and answer for rrb railway interviw related 2010

2 Answers   CEAT, RRB,

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what is the formula to find Amp. for an 3 phase moter both if H.P. or if kW is known?

5 Answers   Uttam,

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Ns=120f/p. what is 120?

10 Answers   IAR, L&T, Ramada, Toshiba,

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why the earth terminal in three pin top is longer than rest of the two terminal and of bigger size?

6 Answers   BARC, MAHINDRA,

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What voltage is used in Directional earth fault relay? and why?

5 Answers   L&T,

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i have 3500 amp load and select current transformer and perches.how i calculate .please understand

0 Answers  

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What is GIS (Gas Insulated Switchgear)

3 Answers   Power Grid,

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Difference between earthing & grounding.?

3 Answers   ABB,

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What is resonant frequency?

0 Answers  

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how we sesign the transformer give some specifion regarding design of transformers

0 Answers  

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can we use the same fuse for both ac and dc?

3 Answers  

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can i use 2000/5A Clamp meter to measure HT cable

0 Answers   century, Engro,

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