Working principle of digital frequency meter 1.
Electric meter block diagram.
Applications of q meter 3.
Questions answers 3 1.
The diagram shows an underground home electrical system and who is responsible for it.
Undustand the proposed system the existing reading system is a time consuming and it needs a numbers of labor to.
Ppl electric utilities owns maintains the meter that measures electricity use.
3 phase supply standard connection for 230 400v 4 wire ct meter installation and test block pdf 0 27 mb 3 phase supply with 1 controlled phase pdf 0 21 mb 3 phase supply with 2 24 hour phases and one controller phase for distributed generation pdf 0 11 mb.
Q meter is an instrument designed for measuring quality factor q of a coil as well as for the measurement of inductance capacitance and resistance of an electric circuit at radio frequency.
Ppl electric utilities maintains the items in blue.
Whether for single or poly phase meters we have the right ingredients for accurate energy measurement and efficient communicat.
Our integrated circuits and reference designs help you create smarter electricity meters with advanced security and connectivity features to meet system design requirements.
You own maintain the metal box that houses the meter meter base.
Functional block diagram of digital frequency meter contents hide 1.
Attention of the meter user to insert prepaid card into the meter.
It is a.
Q meter is also known as rlc meter.
Circuit diagram buz v r1 1 5k p3 5 0v q2 1384 zer d2 5v 0v music ic the music ic goes about 8 stages of musical notes.
Inside a standard household electric meter box there is a center neutral bus bar with wire connection lugs at each and two hot bus bars each with wire connections lugs at each end.
As you are into the workspace of edrawmax drag the symbol that you need directly onto the canvas.
Applications of digital frequency meter 2 1.
Click the icon of basic electrical to open the stencil that includes all symbols for making circuit diagrams.
The signal may be amplified before being applied to schmitt trigger.
Circuit diagram of q meter 2.
There is also a connection lug for the grounding wire which is bonded to the center neutral bus bar.
You maintain the items in red.
The unknown frequency signal is fed to the schmitt trigger.
The meter will read the money from the prepaid card and will recharge the meter.
The following is the electrical interface circuit for the meter.
Anatomy of an electric meter.
