Tag Archives: ac induction motor

China Three Phase Ac Induction Motor

AC induction devices are common because of to their simplicity, trustworthiness and immediate operation from an AC line voltage. ACIMs are asynchronous equipment and constantly have a lower mechanical rotor pace than the energy line frequency.

Traditionally, variations to speed requests was a limitation for AC machines, but the improvement of frequency converters has simplified motor speed alterations, and are now widely used.

ACIM fabrication starts with a 3-section winding put in the winding slot of the stator. There are 2 simple sorts of rotor winding principles. The first kind spots the rotor winding put in the winding slot with a slip ring on the shaft, which historically was utilized for speed regulation and startup. The much more common kind is made up of a rotor in a squirrel cage kind.

The principle of procedure for an ACIM is primarily based on the voltage induction from the stator to the rotor. When the stator winding is fed by a 3-section offer voltage, the current flows in the winding and the stator rotating magnetic subject is generated. Induced voltage in the rotor windings will develop the rotor existing and the rotor magnetic subject. The interaction in between 2 magnetic fields produces the mechanical torque essential to turn the rotor.

The operational rotor speed is reduced than the stator magnetic subject pace in order to obtain rotational torque.

  • Medium development complexity, numerous fields on stator, cage on rotor
  • Substantial reliability (no brush put on), even at extremely higher achievable speeds
  • Medium efficiency at low velocity, high performance at substantial pace
  • Pushed by multi-stage inverter controllers
  • Motor EMI great, but horrible EMI from inverter
  • Sensorless speed control attainable
  • Low cost for each horsepower, though larger than for 1-stage AC induction motor
  • Increased start off torque than for 1-stage, straightforward to reverse motor

What Is a Gear Motor?

A gear motor is an electric motor coupled with a gear train. It uses either DC or AC power to achieve its purpose. The primary benefit of a gear reducer is its ability to multiply torque while maintaining a compact size. The trade-off of this additional torque comes in the form of a reduced output shaft speed and overall efficiency. However, proper gear technology and ratios provide optimum output and speed profiles. This type of motor unlocks the full potential of OEM equipment.

Inertial load

Inertial load on a gear motor is the amount of force a rotating device produces due to its inverse square relationship with its inertia. The greater the inertia, the less torque can be produced by the gear motor. However, if the inertia is too high, it can cause problems with positioning, settling time, and controlling torque and velocity. Gear ratios should be selected for optimal power transfer.
The duration of acceleration and braking time of a gear motor depends on the type of driven load. An inertia load requires longer acceleration time whereas a friction load requires breakaway torque to start the load and maintain it at its desired speed. Too short a time period can cause excessive gear loading and may result in damaged gears. A safe approach is to disconnect the load when power is disconnected to prevent inertia from driving back through the output shaft.
Inertia is a fundamental concept in the design of motors and drive systems. The ratio of mass and inertia of a load to a motor determines how well the motor can control its speed during acceleration or deceleration. The mass moment of inertia, also called rotational inertia, is dependent on the mass, geometry, and center of mass of an object.


There are many applications of gear motors. They provide a powerful yet efficient means of speed and torque control. They can be either AC or DC, and the 2 most common motor types are the 3-phase asynchronous and the permanent magnet synchronous servomotor. The type of motor used for a given application will determine its cost, reliability, and complexity. Gear motors are typically used in applications where high torque is required and space or power constraints are significant.
There are 2 types of gear motors. Depending on the ratio, each gear has an output shaft and an input shaft. Gear motors use hydraulic pressure to produce torque. The pressure builds on 1 side of the motor until it generates enough torque to power a rotating load. This type of motors is not recommended for applications where load reversals occur, as the holding torque will diminish with age and shaft vibration. However, it can be used for precision applications.
The market landscape shows the competitive environment of the gear motor industry. This report also highlights key items, income and value creation by region and country. The report also examines the competitive landscape by region, including the United States, China, India, the GCC, South Africa, Brazil, and the rest of the world. It is important to note that the report contains segment-specific information, so that readers can easily understand the market potential of the geared motors market.


The safety factor, or SF, of a gear motor is an important consideration when selecting 1 for a particular application. It compensates for the stresses placed on the gearing and enables it to run at maximum efficiency. Manufacturers provide tables detailing typical applications, with multiplication factors for duty. A gear motor with a SF of 3 or more is suitable for difficult applications, while a gearmotor with a SF of 1 or 2 is suitable for relatively easy applications.
The global gear motor market is highly fragmented, with numerous small players catering to various end-use industries. The report identifies various industry trends and provides comprehensive information on the market. It outlines historical data and offers valuable insights on the industry. The report also employs several methodologies and approaches to analyze the market. In addition to providing historical data, it includes detailed information by market segment. In-depth analysis of market segments is provided to help identify which technologies will be most suitable for which applications.


A gear motor is an electric motor that is paired with a gear train. They are available in AC or DC power systems. Compared to conventional motors, gear reducers can maximize torque while maintaining compact dimensions. But the trade-off is the reduced output shaft speed and overall efficiency. However, when used correctly, a gear motor can produce optimal output and mechanical fit. To understand how a gear motor works, let’s look at 2 types: right-angle geared motors and inline geared motors. The first 2 types are usually used in automation equipment and in agricultural and medical applications. The latter type is designed for rugged applications.
In addition to its efficiency, DC gear motors are space-saving and have low energy consumption. They can be used in a number of applications including money counters and printers. Automatic window machines and curtains, glass curtain walls, and banknote vending machines are some of the other major applications of these motors. They can cost up to 10 horsepower, which is a lot for an industrial machine. However, these are not all-out expensive.
Electric gear motors are versatile and widely used. However, they do not work well in applications requiring high shaft speed and torque. Examples of these include conveyor drives, frozen beverage machines, and medical tools. These applications require high shaft speed, so gear motors are not ideal for these applications. However, if noise and other problems are not a concern, a motor-only solution may be the better choice. This way, you can use a single motor for multiple applications.


Geared motors are among the most common equipment used for drive trains. Proper maintenance can prevent damage and maximize their efficiency. A guide to gear motor maintenance is available from WEG. To prevent further damage, follow these maintenance steps:
Regularly check electrical connections. Check for loose connections and torque them to the recommended values. Also, check the contacts and relays to make sure they are not tangled or damaged. Check the environment around the gear motor to prevent dust from clogging the passageway of electric current. A proper maintenance plan will help you identify problems and extend their life. The manual will also tell you about any problems with the gearmotor. However, this is not enough – it is important to check the condition of the gearbox and its parts.
Conduct visual inspection. The purpose of visual inspection is to note any irregularities that may indicate possible problems with the gear motor. A dirty motor may be an indication of a rough environment and a lot of problems. You can also perform a smell test. If you can smell a burned odor coming from the windings, there may be an overheating problem. Overheating can cause the windings to burn and damage.
Reactive maintenance is the most common method of motor maintenance. In this type of maintenance, you only perform repairs if the motor stops working due to a malfunction. Regular inspection is necessary to avoid unexpected motor failures. By using a logbook to document motor operations, you can determine when it is time to replace the gear motor. In contrast to preventive maintenance, reactive maintenance requires no regular tests or services. However, it is recommended to perform inspections every 6 months.

ISO9001 manufacturer made in China – replacement parts – in Cagayan de Oro City Philippines Three Phase Induction 135kw 380V AC Motor with top quality

ISO9001  manufacturer  made in China - replacement parts -  in Cagayan de Oro City Philippines  Three Phase Induction 135kw 380V AC Motor with top quality

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing unit in China with 5 various branches. For a lot more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828


Electric Inducation ac motor
Rated Voltage &colon 380V &lpar 400V&comma 660V&comma 690V are also offered on ask for&rpar
Rated frequency 25&comma 50Hz &lpar Accessible rated frequency&colon 4 poles-19&period3&semi 33Hz 6 poles- 29&period3&semi37&period5Hz&rpar
Constant torque Output is in the assortment of rated frequency to 50Hz
Insulation F class
Cooling type IC06&semi 1C416
Defense Course IP23&semi
Mounting sort IMB3&lparor as requested&rpar
Doing work Designs S1&lparS6-25&percnt&semi S6-forty&percnt&semiS6-sixty&percnt are accessible&rpar
Motor Frame Dimension 112&semi132&semi160&semi one hundred eighty&semi two hundred&semi225&semi 280&semi 355&semi400mm

two&period Our Power&colon
Additionally&comma in order to distinguish us from competitors&comma to develop even more and gain much more market share&comma we decided to inve EPT mo EPT of its earnings in specializing and acquired the high quality certification of ISO9001 &comma passed CE&periodAt the exact same time we has dozens of Utility Design Patents&period We also made a cooperation with ZheJiang Electrical Equipment Study Institute &lparGroup&rpar Co&period&commaLtd&comma as particular motor generation foundation for SEARI in 2005 &period Now participates in many worldwide tenders and exports to numerous countries all around the entire world via everyone’s attempts in Hengli&time period
three&interval Generation of method&colon 
We strictly examine on each and every phase of the production chain to make sure backlinks is great in top quality&comma to fulfill customers’ demand and make certain delivery at the very same time&period advanced equipment and total internal offer chain&comma from punching&comma laminating&comma welding&comma machining&comma winding&comma embedded line&comma dipping&comma assembled to check&comma all the techniques are carried out in-residence to ensure good quality&period of time
four&period of time Warranty Interval&colon 
   The motor could operate effectively within 1 year’s using period or no much less than thirteen months from departure date of our organization&lparsubject to the initial&rpar if the person use and store the motor effectively according to the instruction &period
   If the motor is damaged or can not perform typically in the stipulated time thanks to the inadequate quality &comma our organization will mend and replace the spare elements or motors free of charge &commawhile all entry and exit charges borne by the buyer&time period
Service after the  Warranty Period &colon
  Our organization implements the lifelong compensated services if malfunction occurs right after the guarantee period of time&comma we will source the necessary straightforward-weared elements and spare components at co EPT value&period After product sales- services staff will get in touch with back again the consumer irregularly&interval

We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 diverse branches. For far more particulars: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of original gear manufacturer’s (OEM) element numbers or logos , e.g. CASE® and John Deere® are for reference functions only and for indicating item use and compatibility. Our firm and the shown substitution elements contained herein are not sponsored, accepted, or made by the OEM.

ISO9001  manufacturer  made in China - replacement parts -  in Cagayan de Oro City Philippines  Three Phase Induction 135kw 380V AC Motor with top quality

ISO9001  manufacturer  made in China - replacement parts -  in Cagayan de Oro City Philippines  Three Phase Induction 135kw 380V AC Motor with top quality

ISO9001  manufacturer  made in China - replacement parts -  in Cagayan de Oro City Philippines  Three Phase Induction 135kw 380V AC Motor with top quality