Tower Electric Motor Company - DC Motor

TEMCo is a Motor Control Specialist Company You Can Trust - a Member of The Better Business Bureau. TEMCo  Is an Accredited Member of the Better Business Bureau.  Offering Stock and Motor Controls.

TEMCo is a Standard and Custom Electric Motor Supplier you can trust - a member of the Better Business Bureau.

DC Motor

DC Motor Sale On Now! 
Lowest Prices on DC Motors - Guaranteed!
      Call 1-510-490-2187  or  1-800-613-2290

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Tower Electric Motor company sells thousands of models and brands of quality DC electric motors and controls.


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Electric Motor Home
Your source for the widest selection of quality electric motor powered products at the lowest prices - guaranteed!

Rotary Phase Converters
Need 3 phase electricity and only have a 1 phase power source?  TEMCo is the most trusted manufacturer of Rotary 3 Phase Converters.

Rotary Converter Sizing Charts
Determine the size of phase converter that you need based on the amount of power you need for your 3 phase equipment.

Static Phase Converters
Read about this technology and what electric motor loads it can be used to start and when it is better to use a rotary phase converter instead.

Power Generators
We offer power generators for all applications from PTO generators to industrial diesel generators - you can rely on TEMCo as your power generator supplier.

Order Electric Motor
Call our electric motor specialists today and place your electric motor order today.  Rest assured that you received the best motor product and the very best rates too!

DC Motors & Controls

TEMCo's broad range of DC products includes brand names like Baldor DC motors through 500 hp, with custom capabilities of 700 hp and DC controls ranging from sub-fractional horsepower to 600 hp.

DC Motors

DC Motors - TEMCo's DC motors include fractional permanent magnet SCR drive motors, as well as larger shunt and stabilized shunt wound blower-ventilated DC motors to 500 hp.

DC motor

The Basics of a D.C. motor is a permanent magnet is positioned around a loop of wire that is hooked up to a D.C. power source.  To make the loop of the wire spin, a battery or DC power supply is connected between its ends, and support it so it can spin about its axis.  The ends of the wire loop are connected to a set of contacts call commutator to allow the rotor to turn without twisting the wires.  These commutators rub against a set of conductors called the brushes.  As the commutator spins the brushes making electrical contact.  They are connected to the positive and negative leads of the power source, this allows electricity to flow through the loop.  The electricity flowing through the loop creates a magnetic field that interacts with the magnetic field of the permanent magnet to make the loop spin.

Advantages of DC Motors

The biggest advantage of DC Motors may be speed control.  Speed is directly proportional to armature voltage and inversely proportional to the magnetic flux produced by the poles, adjusting the armature voltage or the field current will change the rotor speed.  Adjustable frequency drives are used to provide precise speed control for AC motors, but this effect the power quality, as the switching devices in the frequency drives produce a rich harmonic spectrum.  However, the DC motor has no adverse effects on power quality.  The construction of a DC motor is more complicated and expensive than that of an AC motor, mainly due to the commutator, brushes, and armature windings.  Furthermore, the maintenance of the brushes and commutator means more maintenance on a DC motor.

Applications For DC Motors

In spite of the drawbacks of DC Motor such as power supply, initial cost, and maintenance requirements the DC motors are widely used particularly in applications like cars and small appliances.  The following are some uses of the DC motors.

  • Permanent magnet motors – Permanent magnets instead of armature windings are used and mounted on the rotor.  The magnetic field which is produced on the rotor is limited in strength and isn’t controllable.  Permanent magnet motors are typically small and produce little horsepower.

  • Shunt Motors – Shunt motors use high-resistance field windings, which are connected in parallel with the armature.  By varying the field resistance it changes the motor speed.

  • Series Motors – Series' motors are well-suited for high-torque loads like power tools and automobile starters because of their high torque production and compact size.  These motors connect the field windings in series with the armature and their lack good speed regulation.

  • Compound motors – the compound motor work by the series and shunt design designs are combined.

DC Motors are still in widespread use and because of their niche applications they show no signs of disappearing, they’ll be around for many years to come.  TEMCo a world leader in providing motors and electrical power equipment can help you with all your DC Motors needs.  With their expert, friendly engineering staff you are guaranteed to find the right motor for your needs and applications.  TEMCo has been in business for over 40 years and with their extensive inventory most motors can be shipped within 24 hours.  TEMCo offers only quality motors and guarantees the lowest price.  Call TEMCo and see why so many companies trust TEMCo for all their motor and power supplies needs.

DC Controls

DC Controls - We have DC controls available from 1/50 - 600 hp in a wide variety of mounts and enclosures to handle any replacement, new installation or OEM requirement.

 For model specific technical information call (510) 490-2187. Be prepared with the details of your needs.

Tower Electric Motor Company has experience selling and maintaining electrical motors and manufacturing single to three phase converters over the years since 1968. All our electrical products are made to the highest quality standards and are backed by our industry standard warrantees. When you want an electric motor, phase converter, or quality motor supply, turn to TEMCo.

 Call To Order 1 (510) 490-2187
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