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Laboratory unit to test the performance of electric motor [electronic resource].

By:

Sehsah, E. E

Language: English Summary language: Arabic Description: p.121-130Other title:

وحدة معملية لأختبار أداء المحرك الكهربى [Added title page title]

Uniform titles:

Misr Journal of Agricultural Engineering, 2015 v.32 (1) [electronic resource].

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In: Misr Journal of Agricultural Engineering 2015.v.32(1)Summary: Electric motors are widely used in the agricultural industry, yet many researcher and students in Egypt need to understand their basic operating characteristics. Designed laboratory activities can provide an accepted method for students under Egyptian conditions to obsen1e and actively study motor operation. However, commercially available electric motor test are prohibitively expensive for many agricultural systems of technology at the University level. The aim of the current study was to develop the construction and evaluation of an inexpensive unit test for electric motor that allows students to actively study the power output, efficiency, and power factor of small, fractional horsepower AC and DC electric motors. Prony brake laboratory unit test may be easy to measure and determine the power efficiency and power factor for AC motors. The power efficiency was 91%for N3-70 AC motor comparing with 87.3%, 83.7 % and 70.3 %for DC motor KAG, DC motor MNB and AC motor turbo respectively. Keywords: power factor, electric motor, performance, unit test.

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Electric motors are widely used in the agricultural industry, yet many researcher and students in Egypt need to understand their basic operating characteristics. Designed laboratory activities can provide an accepted method for students under Egyptian conditions to obsen1e and actively study motor operation. However, commercially available electric motor test are prohibitively expensive for many agricultural systems of technology at the University level. The aim of the current study was to develop the construction and evaluation of an inexpensive unit test for electric motor that allows students to actively study the power output, efficiency, and power factor of small, fractional horsepower AC and DC electric motors. Prony brake laboratory unit test may be easy to measure and determine the power efficiency and power factor for AC motors. The power efficiency was 91%for N3-70 AC motor comparing with 87.3%, 83.7 % and 70.3 %for DC motor KAG, DC motor MNB and AC motor turbo respectively. Keywords: power factor, electric motor, performance, unit test.

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