Your Leading Hengshui Milestone Motor Co., Ltd. Supplier
Milestone Motor, located in Hebei Province, covers an area of 141,333 square meter, with total assets of 620 million yuan, more than 700 employees, 700 sets of domestic advanced production equipment and testing equipment, and an annual output of about 200,000 motors.
Why Choose Us?
Our Products
Milestone Motor offers a range of high-quality products, including the YE3 series ultra high-efficiency three-phase asynchronous motors, as well as the YE2 and YX3 series high-efficiency three-phase asynchronous motors, medium high-voltage motors, and NEMA standard motors. We have a total of 15 series with over 3,000 specifications.
Company Certificates
Our products have received various certifications, including UL certification in the United States, CSA certification in Canada, CE certification in the European Union, 3C compulsory product certification in China, CQC product certification, China energy-saving product certification, explosion-proof certification, and KA or MA certification.
Our Company
Milestone Motor is located in Hebei Province and covers an area of 141,333 square meters. We have total assets of 620 million yuan and employ over 700 people. Our facility is equipped with 700 advanced production and testing machines, allowing us to produce approximately 200,000 motors each year.
Long-term Goals
Milestone Motor aims to list the company at the right time and become a leading innovative motor development and manufacturing enterprise in China and worldwide.
Related Product
Cage ac motor, also known as the squirrel-cage motor. Squirrel-cage induction motors are very prevalent in industry, in sizes from 1 kilowatt (1.3 hp) up to tens of megawatts (tens-of-thousand horsepower). They are rugged, and self-starting.
Three Phase Squirrel Cage Motor
Three phase squirrel cage motor is a common industrial motor, known for its stable performance and reliable operation. Three phase squirrel cage motor is an important source of power to drive various mechanical equipment in industrial production, widely used in manufacturing, processing, conveying and other fields.
lv induction motor, The so-called low voltage refers to AC voltage below 1000V, and the motors we are talking about here are generally asynchronous motors with AC voltages of 380V, 440V, or 660V.
High efficiency motor ie2 – also known as Induction motors/ – are the most common type of three phase squirrel motor used today. They are used for a wide range of applications in industries.
High Efficiency Induction Motor
High-efficiency, energy-saving, low-carbon is the focus of global attention today, each country, especially in Europe and the United States developed regions of the motor efficiency has been a clear requirement.
High efficiency AC motors are a type of motor designed for various applications, powered by an AC power source. High efficiency AC motors are typically engineered to provide efficient energy conversion and precise control, suitable for a wide range of industrial and commercial applications.
Low voltage induction motors Sizes 63 to 400, 0.12 to 630 kW. Low voltage induction motors cover a wide range of motors. They conform to IEC and NEMA standards and they are highly efficient.
High efficiency motor IE3 is an important indicator to measure the energy efficiency level of motors, also known as high-efficiency electric motors.
Asynchronous 3-phase motor consists of two basic components, stator and rotor. Stator is the fixed part of the motor. It is made up of silicone steel sheets and cast aluminium. The stator has a stator core and field windings.
What is 10 Hp Induction Motor?
An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor that produces torque is obtained by electromagnetic induction from the magnetic field of the stator winding. An induction motor therefore needs no electrical connections to the rotor. An induction motor's rotor can be either wound type or squirrel-cage type.
Benefits of 10 Hp Induction Motor
Low cost
Induction machines are very cheap when compared to synchronous and DC motors. This is due to the modest design of the induction motor. Therefore, these motors are overwhelmingly preferred for fixed speed applications in industrial applications and for commercial and domestic applications where AC line power can be easily attached.
Ease of operation
The operation of the induction motor is very simple because there is no electrical connector to the rotor that supply power and current are induced by the movement of the transformer performs on the rotor due to the low resistance of the rotating coils. Induction motors are self-start motors. This can result in reducing the effort needed for maintenance.
High starting torque
The starting torque of the induction motor is very high which makes the motor useful for operations where the load is applied before the starting of the motor. 3 phase induction motors will have self-starting torque, unlike synchronous motors. However, single-phase induction motors do not have self-starting torque and are made to rotate using some auxiliaries.
Low maintenance cost
Induction motors are maintenance-free motors unlike dc motors and synchronous motors. The construction of an induction motor is very simple and hence maintenance is also easy, resulting in low maintenance cost.
Speed variation
The speed variation of the induction motor is nearly constant. The speed typically varies only by a few percent going from no load to rated load.
Durability
Another major advantage of an induction motor is that it is durable. This makes it the ideal machine for many uses. This results in the motor running for many years with no cost and maintenance.
Types of 10 Hp Induction Motor
Wound rotor induction motor
A wound rotor induction motor is a type of induction motor in which the rotor is made up of a winding that is connected to external resistance. This allows the rotor speed to be controlled by changing the resistance of the winding. Wound rotor induction motors are used in applications where precise control of the rotor speed is required.
Slip ring induction motor
A slip ring induction motor is a type of wound rotor induction motor in which the rotor winding is connected to a set of slip rings. This allows the rotor speed to be controlled by changing the resistance of the winding. Slip ring induction motors are used in applications where precise control of the rotor speed is required.
Single-phase induction motor
A single-phase induction motor is an AC motor that runs on single-phase AC power, which is commonly used in households. It consists of a stator, or stationary part, and a rotor, or rotating part. The stator is made up of a single winding, while the rotor is either a squirrel cage or a wound type. Single-phase induction motors are used for small loads, such as household appliances.
Three-phase induction motor
A three-phase induction motor is an AC motor that runs on three-phase AC power, which is commonly used in industrial and commercial applications. It consists of a stator, or stationary part, and a rotor, or rotating part. The stator is made up of three windings, while the rotor is either a squirrel cage or a wound type. Three-phase induction motors are used for larger loads, such as industrial equipment and pumps.
Squirrel cage induction motor
A squirrel cage induction motor is a type of induction motor in which the rotor is made up of a series of conductors that are connected to form a cage-like structure. It is a simple and reliable design that is commonly used in a wide range of applications.
Application of 10 Hp Induction Motor
Oil and gas industry
In the oil and gas industry, three-phase induction motors are used to drive pumps, compressors, and turbines. These devices are used to extract, process, and transport oil and gas from wells to refineries to consumers.
Refining industry
In refineries, three-phase induction motors are used to drive pumps, compressors, and agitators. These devices are used to refine crude oil into various products, such as gasoline, diesel, jet fuel, etc.
Power distribution industry
In power distribution systems, three-phase induction motors are used to drive transformers and switchgear. These devices are used to step up or step down voltages and switch on or off circuits for power transmission and distribution.
Manufacturing industry
In manufacturing industries, three-phase induction motors are used to drive various machines and equipment for production purposes. These machines and equipment include lathes, milling machines, drilling machines, saws, presses, conveyors, cranes, etc.
HVAC industry
In HVAC (heating, ventilation, and air conditioning) systems, single-phase or three-phase induction motors are used to drive fans, blowers, and pumps. These devices are used to circulate air or water for heating or cooling purposes.
Household appliances
In household appliances, single-phase induction motors are used to drive various devices for domestic purposes. These devices include garbage disposals, washing machines, dryers, refrigerators, freezers, dishwashers, vacuum cleaners, etc.
Components of 10 Hp Induction Motor
Stator
The stator is the stationary outer part of the induction motor, which houses the primary winding. Its primary function is to generate a rotating magnetic field when supplied with a three-phase alternating current.
Rotor
The rotor is the inner part of the induction motor that rotates in response to the magnetic field generated by the stator. It is made of laminated iron core, and its winding, which is the secondary winding, can be either wound rotor or squirrel cage (short-circuited) rotor.
Rotor bars
In squirrel cage rotor, the rotor bars are short-circuited copper or aluminum bars embedded in the slots of the laminated iron core. As the magnetic field created by the stator interacts with the rotor bars, a current flows through the bars, generating a torque that causes the rotor to rotate.
End rings
For squirrel cage rotors, the end rings are used to connect each rotor bar electrically and form a closed-loop conducting path, which ensures that the current flows through the bars to create a power-producing torque.
Slip rings and brushes
These components are present only in wound rotor induction motors. The slip rings are mounted on the rotor shaft, and the brushes are stationary conductors placed against them. They allow the rotor winding to be connected to an external variable resistance, producing a variable torque and enabling better-speed control.
Bearings
Bearings are used to support the rotor and allow it to rotate smoothly within the stator. There are typically two types of bearings used in induction motors: ball bearings and sleeve bearings.
Frame
The frame is the external housing of the induction motor, which provides structural support to the motor and protects the internal components from damage, dust, and moisture. The frame is also crucial for dissipating heat generated by the motor during operation.
How to Maintain 10 Hp Induction Motor
The maintenance program for every week :
- Examine commutator and brushes.
- Examine the starter switch, fuses, and other controls; tighten loose connections.
- See that machine brought up to rated speed in normal time or not.
- Check the level of oil in bearings.
The maintenance program for every five/six months:
- Clean motor thoroughly, blowing out dirt from windings, and wipe commutator and brushes.
- Check brushes and replace any that are more than half worn
- Examine brush holders, and clean them if dirty. Make sure that brushes ride free in the holders.
- Drain, wash out and replace oil in sleeve bearings.
- Check grease in a ball or roller bearings.
- See that all covers, and belt and gear guards are in place, in good order, and securely fastened.
- Inspect and tighten connections on motor and control.
The maintenance program for every year :
- Clean out and renew grease in ball or roller bearing housings.
- Clean out magnetic dirt that may be clinging to poles.
- Check clearance between shaft and journal boxes of the sleeve bearing motors to prevent operation with worn bearings.
- Clean out undercut slots in the commutator. Check the commutator for smoothness.
- Examine connections between commutator and armature coils.
- Test insulation by megohmmeter.
- Check air gap.
Induction Motor Working Principle
The working principle of an induction motor is based on the concept of electromagnetic induction. It involves the interaction of magnetic fields to produce the rotation of the motor's shaft.
Rotating magnetic field: The motor has two main components – the stationary part called the stator and the rotating part called the rotor. When AC (alternating current) electricity flows through the stator windings, it creates a rotating magnetic field around the stator.
Induced current in rotor: As the rotating magnetic field cuts across the rotor, it induces a flow of electric current in the rotor's conductors (wires). This is similar to how a moving magnet can induce current in a coil of wire.
Interaction of magnetic fields: The induced current in the rotor creates its own magnetic field. This induced magnetic field interacts with the rotating magnetic field of the stator.
Torque and rotation: The interaction between the stator's rotating magnetic field and the rotor's induced magnetic field results in a force, known as torque. This torque causes the rotor to start rotating and follow the rotation of the stator's magnetic field.
Continuous rotation: As long as the stator is supplied with AC power, the rotating magnetic field will persist, continually inducing currents in the rotor and keeping the motor rotating.
Remove the Motor Panel: To access the terminal connections, remove the panel of the single-phase 10 HP motor. Use a screwdriver to loosen the screws and then lift the panel using your fingers.
Identify Terminal Connectors: A 10 HP motor typically has two terminal connectors: one for live and one for neutral. Use a screwdriver to loosen the terminal connection screws.
Prepare the Wires: Strip 1 inch of plastic insulation from the ends of an AWG 14 wire to expose the red and black wires. Use wire strippers to cleanly remove the insulation.
Connect the Wires:
Attach the red wire to the terminal screw marked with "+," "Live," or "L."
Attach the black wire to the terminal screw marked with "-," "N," or "Neu."
Reassemble the Motor: Re-cover the terminal connections with the panel. Install and tighten the panel screws. Finally, connect the other ends of the wires to the power supply.
Ynchronous Motor Vs. Induction Motor
The fundamental difference between these two motors is that the speed of the rotor relative to the speed of the stator is equal for synchronous motors, while the rotor speed in induction motors is less than its synchronous speed. This is why induction motors are also known as asynchronous motors.
The asynchronous nature of induction motors creates slip-the difference between the rotating speed of the shaft and the speed of the motor's magnetic field-which allows for increased torque. These motors are powered at the stator, while the rotor induces current-hence the name "induction" motor. Synchronous motors experience no slip because the stator and rotor are in sync and require an external AC power source.
Synchronous motors include two electrical inputs, making them doubly excited machines. In three-phase synchronous motors, typically three-phase AC or another input will supply the stator winding required to facilitate torque generation. The rotor supply used is often DC, which either starts or excites the rotor. When the stator and rotor fields lock together, the motor is now synchronous. These motors are used in applications such as power stations, manufacturing facilities, and voltage control in transmission lines.
Unlike synchronous motors, induction motors can start when they supply power to the stator, eliminating the need for a power source to excite or start the rotor. These motors also feature a squirrel-cage or wound design, which has led to the development of motor types such as capacitor start induction run motors, squirrel cage induction motors, and double squirrel cage motors. Induction motors see use in centrifugal fans and compressors, conveyors, lathe machines, and lifts.
A Device to Protect an Induction Motor?
There are many ways to protect a 3-phase induction motor from high currents and overheating.
Adevice that is connected in series with the motor conductors. It has either bi-metallic elements or heating elements that melt an alloy if they get too hot. When the mechanism trips, a contact opens and de-energizes the motor contactor. These are widely used for a wide range of motors. The bi-metallic kind can be either manually reset or self-reseting. The melting alloy kind must be manually reset. They have a means for selecting or setting these for relatively narrow current ranges. This method is very popular and often packaged as part of a motor contactor and sold as a motor starter.
Small temperature-sensitive switches that are embedded in the motor windings. The switches are connected to de-energize the motor contactor when they open. They are self resetting. They are selected and installed by the motor manufacturer.
These are embedded in the motor windings and change resistance with motor winding temperature. An external monitor device monitors the resistance and shuts off the motor via the motor contactor in the event of overheating. These are selected and installed by the motor manufacturer.
These are embedded in the motor windings. The thermocouple can be used to measure winding temperature using an external device. The external device can display the winding temperature and provide a warning or shut down the motor via the motor contactor.
This is like a circuit breaker. The device can be used to manually turn the motor on and off. In the event if excess current over a period of time it will shut off the motor.
What Happens to an Induction Motor That Is Run with No Load?
When an induction motor is run with no load, meaning there is no mechanical load connected to the motor shaft, several things can happen:
Increased speed: In the absence of a load, the motor will tend to run at a higher speed than its rated speed. This is because the torque required to overcome the load is not present, so the motor speeds up to a point where the electromagnetic torque produced by the motor balances the losses in the motor.
Increased current: Running an induction motor with no load can lead to an increase in the motor's current draw. This is because the motor is not doing any useful work, so the power consumed by the motor is primarily used to overcome losses in the motor itself (such as friction and windage losses) and to magnetize the motor's core.
Increased temperature: Due to the increased current draw and the lack of a cooling effect from the mechanical work done by the motor, running an induction motor with no load can lead to an increase in temperature. This can potentially lead to overheating and damage to the motor if it is run for an extended period of time without a load.
Reduced efficiency: Operating an induction motor with no load is inefficient because the motor is consuming electrical power without doing any useful work. This not only wastes energy but can also lead to increased operating costs.
Potential damage: Continuous operation of an induction motor with no load can lead to several issues, such as overheating, insulation breakdown, and bearing damage. It is generally not recommended to run an induction motor with no load for extended periods of time.
Our Factory
Milestone Motor is the director unit of Small and Medium Motors Branch of China Electrical Appliance Industry Association, and one of the earliest enterprises to design, produce and promote new energy-saving Y-series motors in China;
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