Product Description
A DC Motor is an electrical machine that converts direct current electrical energy into mechanical energy. It operates on the principle that a current-carrying conductor placed in a magnetic field experiences a mechanical force. In certain types, such as the Permanent Magnet DC Motor, the magnetic field is produced by permanent magnets instead of field windings, which makes the motor compact, efficient, and economical. DC motors are widely used in various applications due to their simple design, reliable operation, and suitability for low-power requirements.
Advantages
- No field excitation arrangement is required.
- Since no input power is consumed for excitation, efficiency improves.
- Compact size due to the absence of field coils.
- Cost-effective and economical, particularly for fractional kilowatt (kW) rated applications.
- Simple construction ensures durability and ease of maintenance.
Disadvantages
- Armature reaction cannot be compensated, which may weaken the magnetic field due to the demagnetizing effect.
- Risk of partial or permanent demagnetization of poles during high current conditions such as starting, reversal, or overload.
- The field in the air gap is fixed and cannot be controlled externally, making precise speed control difficult.
- Unsuitable for applications requiring high performance or efficient variable speed control.
Applications
- DC Motors are extensively used in situations where compact design, low power consumption, and reliable operation are required. Some common applications include
- Automobile starters
- Toys and hobby devices
- Windshield wipers and washers
- Hot blowers and air conditioners
- Computer disk drives
- Small household appliances
- Fractional kW machinery and equipment
FAQs of DC Motors:
Q: What is the starting type of the DC Motors?
A: The DC Motors have an Electric Start feature.
Q: What phase does the DC Motors operate on?
A: The DC Motors operate on a Three Phase system.
Q: What is the frequency of the DC Motors?
A: The DC Motors operate at a frequency of 50 Hertz (Hz).
Q: What is the power output of the DC Motors?
A: The power output of the DC Motors is 100 Watt (W).
Q: What is the warranty period for the DC Motors?
A: The DC Motors come with a 1-year warranty.