how does an energy meter works?
Answers were Sorted based on User's Feedback
Answer / msedcl
In energy meter there r 2 CT's are used.One for recording
current through incoming phase & other through outgoing
phase .When the load is ON on outgoing side the current
flowing through both CT's is compared by electronic
circuit.An wattmeter is calibrated as per standards which
measures wattage proportional to current.
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / prashant
in energy meter there is 1 ct for measuring the outgoing
current and other is pt for pressuresed the disk to
rotatiing movement.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / manish
yes , for single phase energy contains the one ct for that
refeance they give out result of current and one pt is
contacted accros to supply so it give out result of volts
and product of curent and volt is watt.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / nageshwaran.n
In Energy Meter 2 CT's are used. One for recording
current through incoming phase & other through outgoing
phase . When the load is ON on outgoing side the current
flowing through both CT's is compared by electronic
circuit. An wattmeter is calibrated as per standards which
measures wattage proportional to current.
| Is This Answer Correct ? | 4 Yes | 1 No |
What are the special protection given for high capacity Motor, more then 10mw
A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.
open circuit test when performed on double the voltage & double the freq, then what will happen with p.f and current magnitude?
If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.
16 Answers BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,
what is high and low cut off voltage of BB and DG at SPS????????
which is the slowest motor? and wt is speed ?
what will be the motor terminal box connection arrangement (star or delta). on what basis it decided?
What are the uses of stepper motor?
I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2
Explain the method to keep noises low in a control system?
what is the working principle of UPS?
what are the types of control systems to control the speed of the motor??
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)