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Baldor has introduced a new software estimating tool that lets users evaluate the energy efficiency of electric motors and variable-speed drives.

Known as BEST, the Baldor Energy Savings Tool can be downloaded free of charge from the company’s website.

The software analyses the efficiency and annual electricity usage of users’ motors and calculates the cost savings that can be achieved by replacing them with equivalent higher efficiency models.

Built-in motor performance and pricing information enable the software to suggest optimum replacements and to estimate the investment payback period.

BEST will prove especially useful to electrical engineers and maintenance personnel wishing to implement a comprehensive site-wide motor-management strategy, or to compare the costs of a motor rewind against those of a replacement motor.

The software is also helpful to anyone charged with conducting an energy audit of their company.

Baldor’s BEST program runs on any standard PC and is simple to use.

Data can either be input from the computer’s keyboard or imported from a Microsoft Excel file – both methods employ drop-down menus and are backed by extensive built-in help.

A single screen is used for setting all preferences and global project data, such as local currency, electricity costs, supply frequency and default motor load.

The results are available immediately – simply clicking on the instant cost-calculation button shows the amount of energy being used by the existing motor, together with the amount that would be used by comparable Baldor Standard-E (IEC IE2 rated or NEMA ’Energy Efficient’) and Super-E (IEC IE3 or NEMA ’Premium Efficient’) models.

The results screen also shows the purchase cost of the motors and the payback period and provides a direct link to a full motor specification.

A built-in report-writer creates simple summaries or detailed reports, while an export feature allows the results to be output to an Excel file for further analysis or archiving.

One especially powerful feature of BEST is that it handles ’what-if?’ scenarios, enabling users to simplify and accelerate iterative calculations.

For example, significant energy and cost-savings can often be obtained by adding a variable-speed drive to an existing electric motor, especially if its load has a variable-torque demand, as is often the case with pumps, fans and blowers.

BEST provides Excel templates for various gears, pumps and fans and lets users quickly and easily ascertain the financial benefit of adding speed-control to their application.

Mark Crocker from Baldor said: ’We are often asked whether it is cost-effective to invest in replacement motors.

’The answer depends on factors such as application lifetime, but it is usually an emphatic “yes”.

’Consider a typical 90 per cent efficient motor with a nominal 30kW output capability.

’It will require an input of about 33.2kW to deliver 30kW out – the remaining 3.2kW dissipates as heat.

’Merely raising the efficiency by 4.5 percentage points – by replacing the motor with a Baldor Super-E model – will save significant costs.

’The motor will then only require about 31.6kW input power to deliver 30kW – in other words, the wasted energy has been cut by 1.6kW, or 50 per cent.

’Put another way, for every GBP1000 spent on electricity to power the original motor, only GBP900 were being used.

’The rest was going “up the chimney”.

’By substituting a Super-E motor in this equation, 945 of those hard-earned pounds are invested in true motive power.’ Baldor’s BEST energy estimating tool runs under Microsoft Windows on any standard PC.

Microsoft Excel 97 or above is recommended for spreadsheet data import and export functions.

The latest version of the software – v3.07 – can be downloaded from the website.

Baldor

Baldor Electric Company, a member of the ABB Group, designs, manufactures, and markets the broadest line of industrial energy-efficient electric motors, power transmission products, adjustable speed drives, linear motors, motion control products, gear products, industrial grinders and generators. The Baldor range provides a complete motion solution for machine automation and utilizes our acclaimed MINT motion language.


Range includes:.


* Rotary and linear servo motors.


* Intelligent Servo drives.


* Inverter and vector drives.


* Multi-axis motion controllers: Boxed and board level solutions.


Baldor is the largest motor and mechanical power transmission company in North America and the second largest worldwide.


Baldor-Reliance motor products now range from 15 watts to 11,000 kW and includes:.


* ‘Super-E’ motors that exceed the new IEC 60034-30, IE3 efficiency level.


* NEMA Premium Efficiency rated motors, meeting the new EISA legislation covering motors supplied into the USA.


* Custom motors to meet client specific requirements.


Dodge power transmission products offer a wide variety of engineered mounted bearings including Grip Tight Adapter range and enclosed gear products including the Quantis modular, High Efficiency range. Baldor operates plants in the USA, United Kingdom, China and Canada with products available from our worldwide network

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