China high quality 35kv 72V 2500rpm D107L165 Waterproof Electric DC Motor 5000W for Outboard Engine vacuum pump brakes

Product Description

Applications

Applications:
Suitable for low rpm high torque gearless use, working with compatible propeller, working voltage from 48V to 160V

1. Boat engine
2. Electric Outboard conversion
3. Underwater thruster
4. Others
 

 

Dyno Tester Report

D107L165 at 35Kv
Item No. C_Voltage
(V)
C_Current
(A)
C_Input Power(W) M_Voltage
(V)
M_Current
(A)
M_Input Power(W) M_Efficiency
(%)
M_Speed
(rpm)
M_Torque
(N*m)
M_Output Power(W)
0 72.379997 16.440001 1178.199951 53.259998 13.35 1142.640015 90.00571 2500 3.928004 1571.380981
1 72.330002 27.43 1947.189941 53.16 22.68 1907.28571 92.838242 2421 6.984004 1770.685303
2 72.279999 38.52 2693.75711 53.139999 32.080002 2640.389893 93.235573 2347 10.016005 2461.782715
3 72.239998 49.68 3409.659912 53.189999 41.439999 3346.429932 92.795982 2281 13.000005 3105.352539
4 72.199997 61.52 4131.629883 53.259998 51.119999 4053.52002 91.954201 2219 16.040005 3727.38208
5 72.160004 73.849998 4843.870117 53.34 60.919998 4752.109863 90.859413 2160 19.088005 4317.739258
6 72.120003 86.699997 5560.919922 53.43 71 5446.080078 89.557732 2104 22.136005 4877.385742
7 72.089996 99.269997 6253.899902 53.490002 80.790001 6107.339844 88.257195 2051 25.080006 5386.856445

 

Other Motors

 

 

Product Description

With an advanced 10-pole encapsulated core and 107mm diameter at 165mm length, this series compact DC motors deliver high torque up to 55 N.M with maximum output power at 30KW.  

Thanks to the unique sealing configuration design, these motors are tested waterproof IP68 according to ingress protection class, and can be operated permanently underwater and applied in dusty environments.

1. Working voltage: 72V
2. Rated Power: 5000W
3. Max Speed: 2500 rpm
5. Rated Torque: 30N*m 
6. CHINAMFG Torque: 56N*m
7. Motor Efficiency: >88%

 

 

Product Parameters

Variants D107L165-160 D107L165-140 D107L165-120 D107L165-106 D107L165-95 D107L165-85
Winding turn & connection 2.5T 3T 3.5T 4T 4.5T 5T
Voltage range(LiPo) 6-14S    (20-58.8V) 8-16S    (25-67.2V) 8-18S    (25-75.6V) 10-20S(32-84V) 12-24S   (36-108.8V) 12-26S   (36-109.2V)
Max Spin Speed(RPM) 9,408  9,408  9,072  8,904  9,567  9,282 
Speed Constance kV(RPM/V)  160 140 120 106 95 85
Torque Constance Kt(N*M/A) 0.5715 0. 0571 9 0.08084 0.09239 0.10384 0.11549
Current @12V without Loading(A) 5.0  4.8  4.2  3.8  3.2  2.5 
Max Power (KW)  31.0  31.0  28.0  28.0  32.0  30.0 
Max torque@60%(N*M) 56.0  56.0  56.2 56.0  55.0  55.5 
(Rating Torque) (N*M) 28.0  28.0  28.0  29.0  29.0  30.0 
Peak Current (A)  1,000 835 715 625  555 500
Max Efficiency  91.00% 91.00% 92.00% 92% 93.00% 93.00%
Weight (kg) 6.2 6.4 6.3 6.3 6.1 6.1
Construction 12N/10P
Cooling Solution water cooling +air cooling
Max working temperature 120ºC
Dimension Refer to the outline dimension drawing
Shaft Dimension  D15*L30
Lead wires extension  6AWGx300mm
Insulation voltage & leak current AC500V/10MA/3S
Working Life 8000H

 

Customize per your request

Motor drawing

 

  

Wiring Diagram

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Application: Boat Engine / Underwater Thruster
Operating Speed: Adjust Speed
Excitation Mode: Permanent Magnet
Samples:
US$ 850/Piece
1 Piece(Min.Order)

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Order Sample

per motor drawing
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

dc motor

What are the key differences between brushed and brushless DC motors?

Brushed and brushless DC motors are two distinct types of motors that differ in their construction, operation, and performance characteristics. Here’s a detailed explanation of the key differences between brushed and brushless DC motors:

1. Construction:

Brushed DC Motors: Brushed DC motors have a relatively simple construction. They consist of a rotor with armature windings and a commutator, and a stator with permanent magnets or electromagnets. The commutator and brushes make physical contact to provide electrical connections to the armature windings.

Brushless DC Motors: Brushless DC motors have a more complex construction. They typically consist of a stationary stator with permanent magnets or electromagnets and a rotor with multiple coils or windings. The rotor does not have a commutator or brushes.

2. Commutation:

Brushed DC Motors: In brushed DC motors, the commutator and brushes are responsible for the commutation process. The brushes make contact with different segments of the commutator, reversing the direction of the current through the armature windings as the rotor rotates. This switching of the current direction generates the necessary torque for motor rotation.

Brushless DC Motors: Brushless DC motors use electronic commutation instead of mechanical commutation. The commutation process is managed by an external electronic controller or driver. The controller determines the timing and sequence of energizing the stator windings based on the rotor position, allowing for precise control of motor operation.

3. Efficiency:

Brushed DC Motors: Brushed DC motors tend to have lower efficiency compared to brushless DC motors. This is primarily due to the energy losses associated with the brushes and commutation process. The friction and wear between the brushes and commutator result in additional power dissipation and reduce overall motor efficiency.

Brushless DC Motors: Brushless DC motors are known for their higher efficiency. Since they eliminate the use of brushes and commutators, there are fewer energy losses and lower frictional losses. The electronic commutation system allows for precise control of the motor’s operation, maximizing efficiency and reducing power consumption.

4. Maintenance:

Brushed DC Motors: Brushed DC motors require regular maintenance due to the wear and tear of the brushes and commutator. The brushes need periodic replacement, and the commutator requires cleaning to maintain proper electrical contact. The maintenance requirements contribute to additional costs and downtime for brushed DC motors.

Brushless DC Motors: Brushless DC motors have a relatively maintenance-free operation. As they do not have brushes or commutators, there is no need for brush replacement or commutator cleaning. This results in reduced maintenance costs and increased reliability of brushless DC motors.

5. Speed Control:

Brushed DC Motors: Brushed DC motors offer simpler speed control options. The speed can be controlled by adjusting the applied voltage or by varying the resistance in the armature circuit. This allows for relatively straightforward speed regulation.

Brushless DC Motors: Brushless DC motors provide more advanced and precise speed control capabilities. The speed can be controlled through the electronic commutation system by adjusting the timing and sequence of the stator windings’ energization. This allows for precise control of the motor’s speed and acceleration.

These key differences between brushed and brushless DC motors make each type suitable for different applications depending on factors such as efficiency requirements, maintenance considerations, and control complexity.

dc motor

How do DC motors compare to AC motors in terms of performance and efficiency?

When comparing DC (Direct Current) motors and AC (Alternating Current) motors, several factors come into play, including performance and efficiency. Here’s a detailed explanation of how DC motors and AC motors compare in terms of performance and efficiency:

1. Performance:

Speed Control: DC motors typically offer better speed control compared to AC motors. DC motors can be easily controlled by varying the voltage applied to the armature, allowing for precise and smooth speed regulation. On the other hand, AC motors rely on complex control methods such as variable frequency drives (VFDs) to achieve speed control, which can be more challenging and costly.

Starting Torque: DC motors generally provide higher starting torque compared to AC motors. The presence of a separate field winding in DC motors allows for independent control of the field current, enabling higher torque during motor startup. AC motors, especially induction motors, typically have lower starting torque, requiring additional starting mechanisms or devices.

Reversibility: DC motors offer inherent reversibility, meaning they can easily change their rotational direction by reversing the polarity of the applied voltage. AC motors, particularly induction motors, require more complex control mechanisms to achieve reversible operation.

Dynamic Response: DC motors have faster dynamic response characteristics compared to AC motors. They can quickly accelerate or decelerate, making them suitable for applications that require rapid changes in speed or precise control, such as robotics or servo systems.

2. Efficiency:

Full Load Efficiency: AC motors, especially three-phase induction motors, generally exhibit higher full load efficiencies compared to DC motors. This efficiency advantage is primarily due to the absence of commutation and the use of a rotating magnetic field in AC motors, which results in reduced energy losses and improved efficiency.

Partial Load Efficiency: DC motors can have higher efficiency at partial loads compared to AC motors. DC motors can be controlled by adjusting the armature voltage, allowing them to operate at reduced power while maintaining relatively high efficiency. AC motors, especially induction motors, may experience reduced efficiency at partial loads due to factors such as increased iron losses and reduced power factor.

Regenerative Braking: DC motors offer the advantage of regenerative braking, where the motor acts as a generator and converts kinetic energy into electrical energy during deceleration or braking. This regenerative braking capability allows for energy recovery, increasing overall system efficiency. AC motors typically require additional components or systems to achieve regenerative braking.

Power Factor: AC motors, when properly designed and operated, can have a power factor close to unity. This means that they draw relatively low reactive power from the electrical grid, resulting in improved power system efficiency. DC motors, on the other hand, may exhibit a lower power factor and require power factor correction measures if necessary.

In summary, DC motors and AC motors have their respective strengths and weaknesses in terms of performance and efficiency. DC motors excel in speed control, starting torque, reversibility, and dynamic response. AC motors, particularly three-phase induction motors, generally offer higher full load efficiency and power factor. However, DC motors can achieve higher efficiency at partial loads and have the advantage of regenerative braking. The choice between DC motors and AC motors depends on the specific application requirements, cost considerations, and the desired balance between performance and efficiency.

dc motor

What are the advantages and disadvantages of using DC motors in automotive applications?

DC (Direct Current) motors have been used in automotive applications for many years, although they have been largely replaced by other motor types such as AC (Alternating Current) motors and brushless DC motors in modern vehicles. However, there are still some advantages and disadvantages associated with using DC motors in automotive applications. Here’s a detailed explanation of the advantages and disadvantages:

Advantages of Using DC Motors in Automotive Applications:

1. Cost: DC motors tend to be less expensive compared to other motor types, such as AC motors or brushless DC motors. This cost advantage can make them an attractive option for certain automotive applications, especially in budget-conscious scenarios.

2. Simple Control: DC motors have a relatively simple control system. By adjusting the voltage applied to the motor, the speed and torque can be easily controlled. This simplicity of control can be advantageous in automotive applications where basic speed control is sufficient.

3. High Torque at Low Speeds: DC motors can provide high torque even at low speeds, making them suitable for applications that require high starting torque or precise low-speed control. This characteristic can be beneficial for automotive applications such as power windows, windshield wipers, or seat adjustments.

4. Compact Size: DC motors can be designed in compact sizes, making them suitable for automotive applications where space is limited. Their small form factor allows for easier integration into tight spaces within the vehicle.

Disadvantages of Using DC Motors in Automotive Applications:

1. Limited Efficiency: DC motors are typically less efficient compared to other motor types, such as AC motors or brushless DC motors. They can experience energy losses due to brush friction and electrical resistance, resulting in lower overall efficiency. Lower efficiency can lead to increased power consumption and reduced fuel economy in automotive applications.

2. Maintenance Requirements: DC motors that utilize brushes for commutation require regular maintenance. The brushes can wear out over time and may need to be replaced periodically, adding to the maintenance and operating costs. In contrast, brushless DC motors or AC motors do not have this maintenance requirement.

3. Limited Speed Range: DC motors have a limited speed range compared to other motor types. They may not be suitable for applications that require high-speed operation or a broad range of speed control. In automotive applications where high-speed performance is crucial, other motor types may be preferred.

4. Electromagnetic Interference (EMI): DC motors can generate electromagnetic interference, which can interfere with the operation of other electronic components in the vehicle. This interference may require additional measures, such as shielding or filtering, to mitigate its effects and ensure proper functioning of other vehicle systems.

5. Brush Wear and Noise: DC motors that use brushes can produce noise during operation, and the brushes themselves can wear out over time. This brush wear can result in increased noise levels and potentially impact the overall lifespan and performance of the motor.

While DC motors offer certain advantages in terms of cost, simplicity of control, and high torque at low speeds, they also come with disadvantages such as limited efficiency, maintenance requirements, and electromagnetic interference. These factors have led to the adoption of other motor types, such as brushless DC motors and AC motors, in many modern automotive applications. However, DC motors may still find use in specific automotive systems where their characteristics align with the requirements of the application.

China high quality 35kv 72V 2500rpm D107L165 Waterproof Electric DC Motor 5000W for Outboard Engine   vacuum pump brakesChina high quality 35kv 72V 2500rpm D107L165 Waterproof Electric DC Motor 5000W for Outboard Engine   vacuum pump brakes
editor by CX 2024-05-16

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