Thursday, September 19, 2019

Essay --

Multispeed vs reduced voltage control starter Mohammad Amin Hilal 60061058 CM 2181-2 Miss. Smith March 10, 2014 Table content: 1.0 Introduction Centrifugal pump is a type of pump which increases the pressure of fluid and solid atom mixture over centrifugal force. This is the pump used for slurry pumping. In addition, the pump is also capable of converting electrical energy into slurry potential and kinetic energy. Furthermore, slurry pumps are generally used to carrying corrosive or abrasive high concentration slurry in many industries. The purpose of the report is to compare two different starters for slurry pumping, namely, multispeed and reduced voltage speed control starter, and recommend one based on cost maintenance and efficiency. 2.0 Background The engineering department at KSB Company has assigned me as project manager and has given me the task of researching how to increase the efficiency of slurry pumping in our company. The objective of this report is to examine and select the best starter for the slurry pump based on the performance and the ability of the starter to save energy during the operation. Hence, this report discusses two starters, multispeed control starter and reduced voltage control starter, and analyses the main features of the two. 3.0 Technology This part will illustrate the functionality of both reduced voltage speed and multispeed control starters. Also, this will verify the main features of both the technologies and how these features will be useful in this type of application. 3.1 Reduced Voltage Speed Control Starter in Slurry Pump Energy consumption is one of most serious problem of a slurry pump. Roughly, 20 percent of energy is wasted during the startup of slurry p... ... 129(5), 5. Retrieved from 3.$file/Mining%20brochure_EN_lowres.pdf 4. "Reduced Voltage Start." Reduced Voltage Start. N.p., n.d. Web. 11 Mar. 2014 1. 2.$file/PR.AC.01.pdf Richardson, Scott. "Choosing Between Soft Starters and Drives." Choosing Between Soft Starters and Drives. N.p., n.d. Web. 26 Dec. 2010. 3. 4. "Variable Speed Drives." Home. N.p., n.d. Web. 11 Feb. 2013.

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