A Presentation On energy Meter by Students of Engineering
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An energy meter measures the total power consumed by an electric load over time, with various types such as electrolytic and induction meters. The induction type single-phase energy meter is the most commonly used, consisting of a moving aluminum disc between two electromagnets that interact to produce torque, causing the disc to rotate. The braking system, controlled by a permanent magnet and springs, allows for the adjustment of braking torque proportional to the disc's speed.
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Fundamentals of Digital Design_Class_21st May - Copy.pptxdrdebarshi1993
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Basics of Number Systems and Logic GatesLearning Types of Machine Learning Supervised Learning Unsupervised UNI...
Learning Types of Machine Learning Supervised Learning Unsupervised UNI...23Q95A6706
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Learning Types of Machine Learning Supervised Learning Unsupervised Learning- semi supervised learning - The Brain and the Neuron Design a Learning System Perspectives and Issues in Machine Learning Concept Learning Task Concept Learning as Search Finding a Maximally Specific Hypothesis Version Spaces and the Candidate Elimination Algorithm
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A Presentation On energy Meter by Students of Engineering
- 1. PARTICIPANTS
- 3. Energy Meter It is a type of meter or a measuring instrument which is used for measuring the energy utilized by the electric load The energy is the total power consumed and utilized by the load at a particular interval of time.
- 4. The Types of Energymeter qElectrolytic Meter qMotor Meter qClock Meter
- 5. Induction type Single Phase Energy Meter
- 6. An Induction type Single Phase Energy Meter is universally used Energy Meter in A.C. Circuits. It is one of the oldest types of energy meter and it is very commonly used for industrial and domestic ac circuits.
- 8. Systems of Single Phase Energy Meter Operating System Moving System Braking System
- 9. Operating System Shunt Magnet It is excited by the current proportional to voltage. It is in parallel placement with the load. Flux produced by the shunt magnet lags the voltage by 90 degree. Series Magnet It is excited by load current. The Alternating flux produced by the series magnet is directly proportional to the current and is in Phase with it.
- 10. Moving system This consists of a thin Aluminium Disc mounted in a spindle. The aluminium disc is placed in the air gap between the series magnet and the shunt magnet. The placement of the disc is so positioned that the disc intersects the flux produced by both the magnets. And the change in the magnetic field induces the eddy current on the disc. A Lag adjuster is required so that the shunt coil flux lags the voltage by exactly 90 degrees. Adjustment of copper coil is fitted on the central limits of the shunt magnet
- 11. Braking system The instrument is spring controlled. The Springs are fixed to the spindle of the rotating aluminium disc. The scale is uniformly even and extends over 360 degrees The braking system consists of a permanent magnet placed near the aluminium disc. The relative motion of the aluminium disc and the permanent magnet induces eddy current in the disc. The eddy current interacts with the permanent magnet flux and produces braking torque. The braking torque is proportional to the speed of the rotating disc. The permanent magnet is adjustable, therefore the braking torque can be adjusted by shifting the permanent magnet to different radial positions with respect to the disc.
- 12. The induction type energy meter consists of an aluminium disc placed between 2 electromagnets (series and shunt magnet). Series magnet has a current coil and the shunt magnet has a pressure coil. As pressure coil winding has a large number of turns of fine wire to make it highly inductive. When voltage is applied across the pressure coil induces flux which lags 90属 to the flux produced by the current coil. This produces eddy current in the disc. The interaction of the eddy current and the magnetic field exerts a torque on the disc. Due to this torque disc starts rotating. The registering system counts the revolution of the disc and
- 14. THE END