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AC motors are the most common type of electric motor. 1 Phase motors are used in residential and light commercial applications. 3 Phase motors are used in commercial and industrial applications.
AC motors are used to convert electrical power to mechanical power. Most machinery has an electric motor directly powering it or an electric motor running a hydraulic pump to create hydraulic pressure, or an electric motor running an air compressor to create compressed air.
Common applications for electric motors include Pumps, Fans, Compressors, Conveyors, Machine Tools, Steel Making Lines, Plastic Extruders, Rubber Mixers, Mixers, Paper Making Machinery, etc.
Squirrel Cage Motors are a subdivision of induction motors. Squirrel cage motors channel electromagnetism to produce motion. The reason they are referred to as squirrel cage motors is the shape of their rotor.
Brake Motors are electric motors with a brake attached to the motor. When the brake is energized, the brake is not engaged. As soon as power to the motor is off, the brake causes the motor to come to an instant stop.
Design D Motors have high starting torque and higher than typical slip characteristics. Slip is the difference between the synchronous speed of the motor and the actual running speed. Design D motors are rated 5-8% Slip or 8-13% Slip. Design D motors are commonly used in punch press and oil pump jack applications.
Gear Motors are gear reducers with an electric motor mounted directly to them. They reduce the speed of the motor, through the gearbox, to the rate the application requires. Gear motors come in parallel and right-angle configurations.
Multi-Speed Motors are AC motors that utilize one winding that can be connected for two different speeds. Multi-Speed motors can also have two separate windings making it possible to have 3 or 4 rates. Multi-Speed motors are commonly used in a mixer, crane, and cooling tower pump applications.
Slip Ring Motors are motors that have a winding in the motor's stator, like regular motors, and a winding on the rotor, the rotating part of the motor. Slip Ring motors were used in applications where the application required varying the speed of the motor. Slip Ring motors are used on conveyors, cranes, and mixers.
Synchronous Motors are designed to run exactly at their Synchronous speed with no slip. Synchronous motors have AC windings in the stator and DC windings in the rotor, the rotating part of the motor. Synchronous motors typical are 500 HP and above.
Variable Speed Motors are AC motors that can operate within a range of different speeds. The most common type of Variable Speed Motors has a combination of an AC motor and an Eddy Current (DC) Clutch. Variable Speed motors are used on punch presses, air handling equipment, mixers, etc.
Vertical Motors are motors that are vertically oriented and are used in all types of pump applications. There are two primary types of vertical motors: Vertical Hollowshaft and Vertical Solid Shaft. Vertical motors are often configured with non-reversing ratchets, allowing the motor to be operated in one direction.
DC motors are used extensively in various industries for applications in which they are the ideal option. DC Motors operate on Direct Current. The primary advantage to them is the speed adjustment and high torque characteristics.
DC Generators, when driven, produce DC Electric Power. DC Generators have all of the same characteristics as DC Motors.
A DC Mill Motor is a particular DC Motor class built in a clamshell-style frame. This type of DC Motors is predominately used in the Steel and Mining Industries. DC Mill motors can be serviced while in place rather than having to be removed from the application to service.
On September 10, 2017, Romanoff Industries received a call from a large paper mill in the SE United States. The company had a critical problem with a 1250 HP Synchronous motor that powered vacuum pumps. Their motor was beginning to show signs of impending failure, and without this motor, the whole plant was down.
Romanoff Industries had acquired a pair of similar motors from a paper mill that shut down a line the previous year.
One of the motors supplied was in service at the mill within one week, and the 2nd motor was purchased as a spare. These motors saved this company thousands of dollars of rush repair costs and downtime.
Another problem solved by Romanoff Industries.
A USA-based rubber company needed a critical spare for a 1960’s vintage General Electric DC Motor. This motor is an obsolete design, and the new motor that is presently built has an entirely different footprint. Romanoff Industries was able to supply a motor that is an exact duplicate of the motor they have in service, saving the company thousands of dollars and the trouble of having to retrofit a different motor into the application. Another problem solved by Romanoff Industries, Inc!
We understand that downtime can be catastrophic to your bottom line. We are prepared when you need us most and ready to deliver at the highest standard in the industry.
Buy with confidence.
Buy with confidence. We set the bar when it comes to our reconditioning standards. All of our reconditioned electric motors for sale undergo rigorous testing and give you confidence that you're receiving a quality motor at an agreeable price point.
We’ve freed up storage space for our sellers competitive rates!
Romanoff Industries can save you up to 50% on replacement costs by helping you avoid downtime and offering superior customer support for our reconditioned industrial electric motors and more!
Reliability you can count on.
Our goal is to provide customer service above industry standards. If electric motors are a vital part of your operations, we understand how costly a breakdown is to the bottom line. Getting a dependable electric motor replacement as soon as possible is essential to multiple facets of production.
Turn idle electric motors into working capital.
Turn idle electric motors into working capital. A big part of profitability is optimizing your electrical motor assets or eliminating them from inventory. Why pay to store and maintain electric motors you don't need? We can turn those 'disposable' electric motors into 'disposable' income.
