J.H. van Jaarsveldt. School of Electrical, Electronic and Computer Engineering ... [5] J B Gupta, Theory & Performance of Electrical Machines. India: S.K. Kataria ...
COOLING AND ENERGY EFFICIENCY OF AN INDUCTION MOTOR J.H. van Jaarsveldt School of Electrical, Electronic and Computer Engineering North-West University, Potchefstroom, South Africa Supervisor: Prof R Gouws November 2011 ____________________________________________________________________________________ Executive summary The project, Cooling and Energy Efficiency of an induction motor, involves the investigation of the effect of cooling on the efficiency of an induction motor. The cooling of the induction motor was done by means of thermoelectric cooling modules (TECMs). The cooling was focused on the stator winding, due to the influence of the temperature of the stator on the efficiency of an induction motor as well as the easy access to the stator winding of this particular induction motor.
Various simulations were used to determine the most efficient design for the project. The simulations included models designed in SolidWorks, a thermal analysis performed by means of FlowSimulation as ®
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well as the basic induction motor tests performed in Matlab Simulink .
The complete assembled model was then tested by means of the no-load and the blocked rotor tests. These tests were used to determine the efficiency of the induction motor for various temperature values of the stator winding. From this the efficiency of the induction motor under normal and cooled operating conditions was evaluated.
Project summary
References: [1] Tsakani L Mthombeni, "Energy Efficient Motor Systems for ESKOM Demand Side Management," 2008. [2] (2011, March) Engineers Edge - Solutions by Design. [Online]. http://www.engineersedge.com/motors/induction_ac_motor [3] (2011, June) Hyperphysics. [Online]. http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/indmot.html [4] (2011, April) DCAC Motors. [Online]. http://dcacmotors.blogspot.com/losses-and-efficiency-of-induction [5] J B Gupta, Theory & Performance of Electrical Machines. India: S.K. Kataria & Sons, 1998. [6] (2011 February) Integrated Publishing. [Online]. http://www.tpub.com/neets/Hysteresis [7] Bhag S Guru and Huseyin R Hiziroglu, Electric Machinery and Transformers. New York: OXFORD, 2001. [8] M K Yoon, C S Jeon, and S Ken Kauch, "Efficiency Increase of an Induction Motor by Improving Cooling Performance," 2002. [9] Yangsoo Lee, Hyang-beom Lee, and Song-yop Hahn, "Temperature Analysis of Induction Motor with Distributed Heat Sources by Finite Element Method," 1997. [10] Cassiano A Cezario, "Transient Thermal Analysis of an Induction Electric Motor," 2005. [11] (2011, April) Teca. [Online]. http://www.thermoelectric.com/aircooled [12] (2011, March) ACK Technology. [Online]. http://www.acktechnology.com/Thermoelectric [13] K. Hameyer, and R. Belmans B. Renier, "Comparison of standards for determining efficiency of three phase induction motors," IEEE transaction on Energy Conversion, vol. 14, no. 3, pp. 512-517, September 1999. [14] SolidWorks. (2011, June) SolidWorks Tutorials. [Online]. http://www.solidworks.com/sw/resources/solidworks-tutorials.htm [15] MATLAB. (2011, July) MathWorks. [Online]. http://www.mathworks.com/academia/student_center/tutorials/ [16] Herman Steyn, Project Management - A Multi-disciplinary Approach, Second, Revised Edition ed. Pretoria: FBM Publishing, 2008. [17] R. Gouws and H. van Jaarsveldt, “Thermal and efficiency analysis of a single phase induction motor with Peltier devices”, World Journal of Engineering, pp. 63-70, January 2012. [18] R. Gouws and H. van Jaarsveldt, “Impact of thermoelectric cooling modules on the efficiency of a single-phase asynchronous machine”, Journal of Energy in Southern Africa, Vol. 25, No. 1, pp. 13-18, Feb 2014. [19] R. Gouws and H. Eilers, “A review on thermoelectric cooling modules: Installation design, performance and efficiency”, International Journal on Scientific Research and Essays, Vol. 8, No. 12, April 2013, pp. 485-49. [20] R. Gouws and M. Swanepoel, “Source stabilization of a single-phase induction motor pump configuration for a swimming pool in South Africa”, International Conference on the Domestic Use of Energy, pp. 3-8, April 2012. [21] R. Gouws, “Efficiency analysis of an induction motor with direct torque and flux control at a hot rolling mill”, Journal of Energy in Southern Africa, Vol. 26, No. 3, pp. 111-115, 2015.
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