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Page Name: PLCC


Posted by: project expert
Created at: Monday 30th of January 2012 11:51:53 PM
Last Edited Or Replied at :Monday 30th of January 2012 11:51:53 PM
how to connect wave trap in plcc , wave trap in plcc, phase to ground coupling of plcc , what is impedance matching in plcc, cvt and lmu , capacitive voltage transformer in plcc, plcc cvt connection , power rating of plcc, use of drainage coil in plcc , how plcc coupling line to line done, phase to earth coupling in plcc , plcc high voltage, plcc and presentation , plcc outdoor equipments, use of wave trap in substation without plcc , plcc outdoor equipment, seminar of plcc , plcc phase to ground topic, plcc phase to phase , plcc phase, working of lmu in plcc , lmu in plcc, ppt of wave trap in plcc , what is the role of cvt and wave trap in plcc, wavetrap connection , lmu plcc,
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e used for blocking the high voltage entering into the LMU/PLCC.

4. Drainage coil/Lightening arrestor:- These are used for arresting any AC high voltage spikes entering into the LMU/PLCC.

5. Earth switch:- This is used at the time maintenance of LMU.

6. Coaxial cable:- This is used for interconnection between PLCC and LMU for carrying HF signals.


COUPLING EQUIPMENT:-
The most important technical problem in a power line carrier is to device methods and equipment to couple the low voltage and high frequency carrier set to the high voltage and low frequ..................==> [ Click Here to Read More ]



Page Name: BRIEF VIEW OF CHYANDRYANAGUTTA SUBSTATION


Posted by: fine project uploader
Created at: Friday 29th of June 2012 02:42:56 AM
Last Edited Or Replied at :Friday 29th of June 2012 02:42:56 AM
image wave trap in substation, breif veiw seminars on transformers , surge diverters isolators, protection transformer by matlab lightning doc ,
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of high values of current can be obtained. A current transformer should always be short-circuited when not connected to an external load.
Because the magnetic circuit of a current transformer is designed for low magnetizing current when under load, this large increase in magnetizing current will build up a large flux in the magnetic circuit and cause the transformer to act as a step-up transformer, inducing an excessively high voltage in the secondary when under no load.
These transformers are basically used to get the incoming current on the incoming feeders. It steps down the incoming 800 ..................==> [ Click Here to Read More ]



Page Name: PLCC


Posted by: project expert
Created at: Monday 30th of January 2012 11:51:53 PM
Last Edited Or Replied at :Monday 30th of January 2012 11:51:53 PM
how to connect wave trap in plcc, wave trap in plcc , phase to ground coupling of plcc, what is impedance matching in plcc , cvt and lmu, capacitive voltage transformer in plcc , plcc cvt connection, power rating of plcc , use of drainage coil in plcc, how plcc coupling line to line done , phase to earth coupling in plcc, plcc high voltage , plcc and presentation, plcc outdoor equipments , use of wave trap in substation without plcc, plcc outdoor equipment , seminar of plcc, plcc phase to ground topic , plcc phase to phase, plcc phase , working of lmu in plcc, lmu in plcc , ppt of wave trap in plcc, what is the role of cvt and wave trap in plcc , wavetrap connection, lmu plcc ,
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ency power line.
During the initial stages of carrier operation on power lines, and aerial wire of more than 300 feet length, supported on power line structure, was used. On one end of it was connected the output from carrier equipment. While the aerial coupled the signals to power lines mainly due to capacitance between them.


(a.)Phase to Ground Coupling:-
Carrier terminals are connected between one phase conductor and ground. The wave traps and coupling capacitors are all connected to one conductor of the power line. The remaining two conductors do not have wave traps. A portio..................==> [ Click Here to Read More ]



Page Name: Physics of diagnostic ultrasound


Posted by: academic expert
Created at: Friday 13th of May 2011 11:40:23 PM
Last Edited Or Replied at :Friday 13th of May 2011 11:40:23 PM
diagnostic ultrasound ppt , project topics in ultrasound, seminar topics of application of ultrasound , use of waves in medicine ppt, seminar ppt for medical use of ultrasound , project topics on medical ultrasound of physics, ppt medical ultrasound siminar , diagnostic ultrasound decibel notation, physics ultrasound ppt , physics seminar for diagnostic, ultrasound sound waves , physic ultrasound ppt, ultrasound seminar topics on medical ,
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y we have a perpendicular incidence of ultrasound beam on aspecular reflector
Amplitude reflection coefficient:
R=(z2-z1)/(z2+z1)
#coupling material
For the nonperpendicular incidence:
Diffuse reflection:
Scattering echo depend on:
1- No. of scatters per unit volume.
2-the acoustic impedance changes at the scatter interface.
3-the scatters size.
4-the ultrasound frequency.
#Rayleigh scatters
#the Decibel notation: provides acomparison of two signal level .
dB=10 log i2/i1
#Attenuation: it is a reduction of the amplitude of the ultrasound beam as a function of the di..................==> [ Click Here to Read More ]



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