FRICTIONLESS COMPRESSOR TECHNOLOGY SEMINAR PDF

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Traditional centrifugal compressors use roller bearings and hydrodynamic bearings, both of which consume power and require oil and a lubrica- tion system . Frictionless Compressor | Seminar Report, PPT, PDF for Mechanical. Amrit Sahoo. Uploaded by. Amrit Sahoo. Loading Preview. Sorry, preview is currently. Introduction The frictionless compressor technology is compressor with the application of magnetic bearings and permanent magnet.

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Most DX systems allow oil to travel through the refrigeration circuit and back to the compressor oil sump. Easy on energy The ompressor enables chiller and rooftop manufacturers to achieve the necessar product efficiency y levels to meet and exceed ASHRA Finally I would like to thank the almighty for his blessings without which this work could not have been accomplished.

Technologh Compressors, Operation and Maintenance.

Seminar On Frictionless Compressor Technology- Mechanical Seminar Topic

When the compressor is not running, the shaft assembly rests on graphite-lined, radially located touchdown bearings. This compressor has high reliability, efficiency, less maintenance cost and staff. With multiple staging, they can achieve extremely high output pressures greater than 10, psi 69 MPa. Leave a Reply Cancel reply Your email address will not be published.

Complete service seminat and extended maintenance contracts can be provided by the manufacturer.

Home chillers compressor energy saving magnetic bearing Mechanical oil less pdf seminar report Energy Saving: If the magnetic bearings fail, the touchdown bearings also known as backup bearings are used to prevent a compressor failure.

The magnetic bearings normally position the rotor in the proper location, preventing contact between the rotor and other metallic surfaces.

Gas compressor A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume.

Seminar Report on Plastic Roads. Low inrush current at start-up is ideal for operation with backup or emergency power systems. Using magnetic-bearingtechnology, a ton compressor weighs lb —about one-fifth the weight of a conventional compressor. Department of Sdminar Engineering for their valuable advices at crucial times.

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Oil system, purge system, and shaft seals ffictionless in order technology chillers. Technical Centre Discusses oil-flooded screw compressors including a complete system flow diagram 9. The frictionless compressor technology makes new revolutions in the field of air conditioning, refrigeration etc. Easy refrigeran t choice Since the compressors are optimized for HFC a a well known, environmentally responsible,refrigerant.

The compressor uses capacitors to smooth ripples in the DC link in the motor drive. Solution with Frictionless Compressor 1.

Current development projects are expanding the range and duty of the compressor wheels and promise to offer even greater efficiencyfor water-coole compresdor air-cooled duties and different capacities.

By using the smaller shaft, they are able to take advantage of the centrifugal compressor technology in a smaller size than is normally available.

In case of power failure, within 0. In a flooded evaporator, even small amounts of oil can coat evaporator tubes and significantly diminish chiller performance. After 10 years of development, magnetic bearing compressors offer economic, energy, and environmental benefits. When two magnetic-bearin compressors were g integrated into a chiller, the sound pressure was 77 dBA at 3. The compressor uses capacitors to smooth ripples in the DC link in the motor drive.

With the help of digital control system the controlling and monitoring of work is very easy. This type is also used for many automobile engine superchargers because it is easily matched to the induction capacity of a piston Engine Rotary vane compressors Rotary vane compressors consist of a rotor with a number of blades inserted in radial slots in the rotor.

The capacitors, in turn, provide enough power to maintain levitation during coast down; allowing the motor rotor to stop and DE levitate. What is your topic? The VSD varies the frequency between and Hz, which provides a compressor-speed range from 18, to 48, rpm.

The variable-speed centrifugal compression and digital electronic technologies enables the frictionless compressors nominal ton capacity range to achieve the highest compressor efficiencies, cost effectively, for middle-market, water-cooled, evaporative cooled and air-cooled HVACR applications. After 10 years of development, magnetic bearing compressors offer economic, energy, and environmental benefits. The frictionless compressor technology is compressor with the application of magnetic bearings and permanent magnet synchronous motor.

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The back and forth compdessor of the membrane is driven by a rod and a crankshaft copressor.

The magnetic y y bearings create an air buffer that prevents the only major moving part the motor rotor from transmitting vibration to the structure Similarly, sound levels are extremely low, primarily because of. With the help of digital control system the technolohy and monitoring of work is very easy.

Seminar On Frictionless Compressor Technology- Mechanical Seminar Topic

The software has been designed to automatically compensate for any out-of-balance condition in the levitated assembly. Application 1 Water-cooled chiller applications 2 Rooftop and packaged system applications 3 Air-cooled chiller applications 4 Multiple compressor applications References 1. The shafts position is monitored with 10 sensors that send a signal to a digital controller which then sends a command to the 5 separate pulse width modulators PWMfor a proper shaft repositioning.

The VSD is integrated into the compressor housing, avoiding long leads and allowing key electronic components to be refrigerant-cooled.

Electromagnetic cushions continually change in field strength to keep the rotor shaft centrally positioned. Report has been found satisfactory and approved for Date: Two-pole, Hz induction motors operate at approximately 3, rpm.

Axial-flow compressors can be found in medium to large gas turbine engines, in natural gas pumping stations, and within certain chemical plants. Diagonal or mixed-flow compressors Diagonal or mixed-flow compressors are similar to centrifugal compressors, but have a radial and axial velocity component at the exit from the rotor.