1 HP DC Motors

Reviewed by: Jon Lowy, consulting engineer

Description

A 1 HP DC motor is a device designed to convert electrical power into mechanical power, delivering a rotational force. It is characterized by its ability to provide a specific amount of power output, measured as one horsepower, which is equivalent to approximately 746 watts. This motor is typically used in applications requiring precise control of speed and torque.

Working Principle

The working principle of a DC motor involves the interaction between the magnetic fields of the stator and rotor. When electrical current flows through the rotor windings, it generates a magnetic field that interacts with the magnetic field of the stator. This interaction produces a rotational force, or torque, which causes the rotor to spin. The speed of the motor is approximately proportional to the armature voltage, while the torque is proportional to the armature current. The presence of back electromotive force (EMF) also plays a role in regulating the motor's speed and efficiency by opposing the supplied voltage as the rotor spins.

Applications

DC motors are widely used in various applications due to their simple design and effective speed control. Specific examples include:

  1. Power Tools: DC motors are integral to power tools such as drills, saws, and sanders, where their high starting torque is essential for initiating motion quickly and efficiently.

  2. Household Appliances: They are found in appliances like fans, vacuum cleaners, and washing machines, where their variable speed control allows for customized operation.

  3. Medical Devices: In healthcare, DC motors power devices like insulin pumps and wheelchairs, benefiting from their precision and adaptability.

Advantages over other DC Motors

DC motors, particularly those with thyristor control, offer several advantages over other types of DC motors. They provide stable and straightforward control, making them suitable for high-performance applications such as test rigs and drives in the printing and paper industries. Their ability to maintain a one-to-one relationship between starting torque and starting current is particularly beneficial in applications requiring precise control.

Limitations

One of the limitations of DC motors is their shorter lifespan compared to some other motor types. They may also operate at lower speeds and power levels, which can be a disadvantage in applications requiring high-speed performance.

Considerations

When considering the use of a 1 HP DC motor, several factors should be taken into account:

  • Initial Costs: The initial cost of a DC motor can vary based on its specifications and the complexity of its control systems.

  • Operating Expense: DC motors are generally energy-efficient, which can help reduce operating expenses over time.

  • Durability: While DC motors are reliable, their lifespan may be shorter than other motor types, necessitating more frequent replacements.

  • Accuracy: The precise control of speed and torque makes DC motors suitable for applications requiring high accuracy.

  • Replacement and Maintenance Costs: Maintenance costs can be higher due to the need for regular inspection and replacement of components like brushes and commutators.

16 Results
Small DC Motors
from GE Power Conversion

Engineered to perform, built to last. Our direct current motors set the standard in the DC motor industry. We offer comprehensive solutions supporting a large installed base of DC industrial motors. Our motors are a reliable lifeline to driven equipment and the backbone for our customer's production... [See More]

  • Output Power: 1 HP; 2 HP; 5 HP / 3.6 KW
  • DC Voltage Range: 180.0 to 500.0
  • Commutation: Brush
  • Output Power: 1 to 500
STK Series -- 145STK2M
from Parker Hannifin / Automation / Electromechanical Division - Europe

Continuous torque from 14 Nm to 2700 Nm with natural convection (according to size), and up to 6100 Nm with fluid cooling. Six external diameters from 145 mm to 800 mm. Internal diameters from 56 mm to 630 mm. Various windings available from 30 min-1 to 1500 min-1 according to size. Parker?s STK... [See More]

  • Output Power: 1 HP; 2 HP
  • DC Construction: Permanent Magnet
  • Commutation: Brushless
  • Output Power: 0.9851 to 2.72
Rotary Servo Motor -- MELSERVO-JE
from Mitsubishi Electric Automation, Inc.

MR-JE family of products leverages advanced functionality such as true one-touch auto-tuning, vibration suppression, and machine diagnosis functionality in an easy-to-use servo solution. [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP
  • Continuous Current: 2.4 to 14
  • Output Power: 0.1340 to 1.01
  • Continuous Torque: 2.8 to 21.2
Fractional HP Motors, Permanent Magnet DC Motor, TEFC & TENV -- WPMDC1-18-12V-56CB
from WorldWide Electric Corporation

1/4-2 HP. 1800 RPM. 90, 180, 12 and 24 volt. TENV enclosure (1/4-1/2 HP). TEFC enclosure (3/4-2 HP). 1.0 service factor. Class F insulation. C-face - removable base. 20:1 speed range at constant torque. High starting torque. Extra set of brushes and brush springs included. 12 volt and 24 volt models... [See More]

  • Output Power: 1 HP
  • DC Voltage Range: 12.0
  • Standard DC Voltage: 12V
  • Output Power: 1
Compact DC Motors -- P Series 35-54
from Johnson Electric Group

The Compact DC motor series is a breakthrough development in micro motor technology. The improved power density and efficiency of the Compact DC series enables designers to create products of smaller size and lower weight. This range of compact motor platforms are custom engineered to meet the... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP
  • DC Voltage Range: 10.8 to 18.0
  • Standard DC Voltage: 12V
  • Output Power: 0.0568 to 1.26
DC NEMA Frame Motors
from Century® by Regal Beloit America

High voltage permanent magnet DC motors are typically used with a thyristor controller in applications requiring adjustable speed and constant torque throughout the speed range. They are also widely used in applications requiring dynamic braking or adjustable speed / reversing capabilities. Low... [See More]

  • Output Power: 1 HP; 2 HP; 5 HP / 3.6 KW
  • Output Power: 1 to 200
  • Commutation: Brush
S Series Brushless, Frameless Torque Motor
from Aerotech, Inc.

Design Features. Slotless, brushless ring motors with high torque output and zero cogging. Frameless design for easy integration into OEM machines. Various winding options available. Includes Hall effect sensors for commutation [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP
  • DC Construction: Permanent Magnet; Coreless / Slotless
  • Commutation: Brushless
  • Standard DC Voltage: 160V
DC Motor -- LM90T025
from Dart Controls, Inc.

The advantages of DC adjustable speed drives with PM motors for low horsepower applications are: higher starting torque, wider usable speed and torque range, simpler dynamic braking, lower system cost, faster response, smaller size, more efficient and reliable. Standard features include: permanent... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP
  • DC Construction: Permanent Magnet
  • Commutation: Brush
  • Standard DC Voltage: 90V
Brushless DC Motor -- 110ZW3S Series
from Jingjiang Nair Motion Technologies Co., Ltd.

JingJiang Nair Motion Technologies Co., Ltd.. have design, manufacturing and logistics facilities in China. They manufacture a wide range of DC gear motors, brushless DC motors and stepper motors which can be engineered to meet your exact requirements. They focus all of their product, application... [See More]

  • Output Power: 1 HP; 2 HP
  • DC Voltage Range: 170.0 to 310.0
  • Commutation: Brushless
  • Torque Constant: 70.8 to 109
Permanent Magnet DC Motors -- OMPM-DC
from OMEGA Engineering, Inc.

OMPM-DC Series permanent magnet DC motors are designed for long motor life with permanently lubricated ball bearings and are TEFC (totally enclosed fan cooled) or TENV (totally enclosed nonventilated). All OMPM-DC motors are constructed from heavy duty gauge steel including frames, endbells,... [See More]

  • Output Power: 300 W; 1/2 HP; 1 HP; 2 HP
  • DC Construction: Permanent Magnet
  • Commutation: Brush
  • Standard DC Voltage: 12V; 24V; 48V; 72V; 90V; 160V
Direct Drive DC Torque Brushed Motors
from Kollmorgen Corporation

Direct Drive DC torque motors are ideal for servo applications where it is desirable to minimize size, weight, power and response time, and to maximize rate and position accuracies. These motors provide a servo actuator that can be attached directly to the driven load. A permanent magnet field and a... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • Output Power: 0.0129 to 8.44
  • Commutation: Brush
  • Continuous Torque: 0.2 to 36017.7
DC Motors
from Boston Gear

Overview. Boston Gear offers a wide range of ODP (open drip proof) AC motors, including brake motors. These motors are offered in C-Face models for mounting to our enclosed gear drives, and they are available in 1/6 - 20 HP and cover voltage ranges from 115 VAC to 460 VAC. These motors are ideally... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • Standard DC Voltage: 90V; 160V
  • DC Construction: Permanent Magnet; Shunt Wound
  • DC Voltage Range: 90.0 to 180.0
Hybrid Electric Vehicle Component -- 1 HP Motor
from Magmotor Technologies, Inc.

800 PSI / 2500 PSI Peak at 2 GPM, 3 HP Peak [See More]

  • Output Power: 1 HP
  • DC Voltage Range: 12.0
  • Standard DC Voltage: 12V
  • Output Power: 1
Low Voltage DC Motors -- 26-34 Platform
from Johnson Electric Group

The Johnson Electric DC motor series is the industry benchmark for micro motor driven actuation. This wide range of motor platforms can be custom engineered to meet the power, size, efficiency and life requirements of the customer ’s application. The platform motors below are examples used in... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • DC Voltage Range: 3.6 to 42.0
  • Standard DC Voltage: 6V; 9V; 12V; 24V
  • Output Power: 0.0054 to 60.23
Brushless DC Motor -- 80ZW3S Series
from Jingjiang Nair Motion Technologies Co., Ltd.

JingJiang Nair Motion Technologies Co., Ltd.. have design, manufacturing and logistics facilities in China. They manufacture a wide range of DC gear motors, brushless DC motors and stepper motors which can be engineered to meet your exact requirements. They focus all of their product, application... [See More]

  • Output Power: 1/2 HP; 1 HP
  • Standard DC Voltage: 48V; 72V; 90V; 160V
  • Commutation: Brushless
  • DC Voltage Range: 48.0 to 310.0
Frameless Direct Drive Motors -- RBE
from Kollmorgen Corporation

The RBE Series from Kollmorgen is a proven platform offering many years of direct drive motor solutions in various industries such as defense, semiconductor, machine tools, industrial automation, medical, and robotics. The frameless configuration is provided as a rotor and stator component that are... [See More]

  • Output Power: 1/4 HP; 300 W; 1/2 HP; 1 HP; 2 HP; 5 HP / 3.6 KW
  • Output Power: 0.0188 to 4.95
  • Commutation: Brushless
  • Continuous Current: 1.79 to 29.6