Factors to be considered when selecting motors for electric drives?

Isabelle Corkery asked a question: Factors to be considered when selecting motors for electric drives?
Asked By: Isabelle Corkery
Date created: Sun, Apr 11, 2021 11:59 PM

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👉 Will cars have gas motors swapped for electric drives?

Electric-Drive Vehicles Electric-drive vehicles use electricity as their primary fuel or to improve the efficiency of conventional vehicle designs. These vehicles can be divided into three categories: • Hybrid electric vehicles (HEVs) • to an electric power source. Plug-in hybrid electric vehicles (PHEVs) • All-electric vehicles (EVs)

👉 When did elevator get motors electric motors?

In 1874, J.W Meaker patented a method of opening and closing elevator doors safety. He was inspired by safety concerns of people who were reluctant or had doubts. In 1880, Werner Von Siemens of Germany invented the Electric Elevator and the first of it's type was used at the end of the 19th century.

👉 What factors should be considered when purchasing an electric meter?

Solved: What factors should be considered when purchasing an el... | Chegg.com. home / study / engineering / electrical engineering / electric circuits / electric circuits solutions manuals / Electricity for Refrigeration, Heating, and Air Conditioning / 10th edition / chapter 4 / problem 16RQ.

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FACTORS INFLUENCING THE CHOICE OF ELECTRICAL DRIVES · Nature of electric supply. o Whether AC or DC supply is to be used for supply · Nature of the drive. o Whether the particular motor is going to drive individual machine or a group of machines (iii)Capital and running cost · Maintenance requirement

Like one mentioned above, a number of other factors and design features like weather conditions, stringent system conditions, abnormal surroundings, hazardous area, duty cycle, motor efficiency, etc. should be considered while deciding the rating and subsequently drawing out the technical specifications of the motor.

Most motors have a service factor of 1.15 (some go as high as 1.40). The motor can handle, for short periods, 115% of its rated horsepower without overheating. Consider sizing the motor for its normal loading plus a demand factor for the occasional demand surge. Your normal load should be 75% to 95% of the motor's capacity.

The most critical consideration for selecting a motor in these cases is to choose one whose speed-torque curve exceeds the load torque curve. Loads from centrifugal pumps, fans, blowers, compressors with unloaders, and similar equipment tend to be variable over time.

Changes in load, speed of acceleration or deceleration, and the application’s duty cycle also must be considered or the industrial motor may overheat. After the motor type is selected and sized, users also need to consider environmental factors and motor enclosure types such as open frame and stainless housing for washdown applications.

5. Maximal torque. The maximum torque enables the vehicle to start in a given slope. You need to find the highest grade the vehicle will need to ascend. Using that grade, it is possible to calculate the highest torque required by the electric motor considering the differential and gearbox (if using a gearbox!).

May 17, 2017. When searching to buy an electric motor or gear motor for your application, it is important to consider requirements beyond speed, torque, power and voltage. In this article, we will discuss 20 factors that are worth reviewing before deciding on an electric motor. Voltage: Will you have access to a wall outlet or do you need a product ...

electric drive motors Following factors should be considered while selecting a drive for particular application: Nature of electric supply Whether supply available is A.C. (single phase or three phase) or D.C. (pure D.C. or rectified A.C.)to be utilized for motor.

Factors That Influence the Selection of Electric Motor Drives For Natural Gas Compressors This report provides a summary and analysis of the strategic, engineering, and economic factors that currently influence the selection of eletric motor drives (EMD) for natural gas compressors, and provides an industry-based consensus on the future use of EMD.

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