what is the main purpose of line PT and bus PT?
Answer Posted / ramji
Line PT has metering and Protection Cores. Its main use is
to mointor the Line Voltage parameters and is widely used
in protecting Lines in case of Faults occuring due to Phase
to phase faults and phase to earth faults which comes under
its review.
sometimes it has a core for meeting synch with respect
others incase the line breaker opens
Bus pt has metering core and protection core for BUS BAR
protn which mointors the faults in all the buses with
respect to that in a particular substation only
| Is This Answer Correct ? | 7 Yes | 11 No |
Post New Answer View All Answers
The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.
EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)
How we can recongnise the phase displacement of transformer connection between primary & scondary...plzzz explain it with example.........
Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt
What is meant by cold loop test in instrument
The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
WE HAVE THE DC RECTIFIER 1500A, INPUT VOLTAGE IS 3 PHASE. HOW TO CALICULATE THE LOAD? 3 PHASE SIDE EITHER dC SIDE. PLEASE SUGGEST ME
please give me all the Alarm .Trip ,Safety Relays & Conditions of Chiller mail me on ashokbabunhce@gmail.com
3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??
what is the preventive maintence for ht panels and busbars and vcb abd acb's.
10 Mtr Hight of Lighting Arrestar how much area coverd??
how we will deside the high voltage value
What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx
Why are lt windings placed near the core?