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China AC digital display stepless speed controller, high power speed control switch, motor PWM speed controller car motor

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Product Variety: ZFX-P1mm Liquid crystal display Module, Electronic Equipment, Electronic Indicators, PCB/PCBA Manufacturing, Optoelectronic Displays and Other Digital Parts.

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Organization DetailsWe specialised in Integrated Circuit,Improvement boards, WIFI modules, BT modules, power modules, sensor modules, GPS GPRS GSM modules, camera module,etc.give best high quality and realistic costs,”High quality and serivce is our mission”

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Dynamic Modeling of a Planetary Motor

A planetary gear motor consists of a series of gears rotating in perfect synchrony, allowing them to deliver torque in a higher output capacity than a spur gear motor. Unlike the planetary motor, spur gear motors are simpler to build and cost less, but they are better for applications requiring lower torque output. That is because each gear carries the entire load. The following are some key differences between the two types of gearmotors.

planetary gear system

A planetary gear transmission is a type of gear mechanism that transfers torque from one source to another, usually a rotary motion. Moreover, this type of gear transmission requires dynamic modeling to investigate its durability and reliability. Previous studies included both uncoupled and coupled meshing models for the analysis of planetary gear transmission. The combined model considers both the shaft structural stiffness and the bearing support stiffness. In some applications, the flexible planetary gear may affect the dynamic response of the system.
In a planetary gear device, the axial end surface of the cylindrical portion is rotatable relative to the separating plate. This mechanism retains lubricant. It is also capable of preventing foreign particles from entering the planetary gear system. A planetary gear device is a great choice if your planetary motor’s speed is high. A high-quality planetary gear system can provide a superior performance than conventional systems.
A planetary gear system is a complex mechanism, involving three moving links that are connected to each other through joints. The sun gear acts as an input and the planet gears act as outputs. They rotate about their axes at a ratio determined by the number of teeth on each gear. The sun gear has 24 teeth, while the planet gears have three-quarters that ratio. This ratio makes a planetary motor extremely efficient.

planetary gear train

To predict the free vibration response of a planetary motor gear train, it is essential to develop a mathematical model for the system. Previously, static and dynamic models were used to study the behavior of planetary motor gear trains. In this study, a dynamic model was developed to investigate the effects of key design parameters on the vibratory response. Key parameters for planetary gear transmissions include the structure stiffness and mesh stiffness, and the mass and location of the shaft and bearing supports.
The design of the planetary motor gear train consists of several stages that can run with variable input speeds. The design of the gear train enables the transmission of high torques by dividing the load across multiple planetary gears. In addition, the planetary gear train has multiple teeth which mesh simultaneously in operation. This design also allows for higher efficiency and transmittable torque. Here are some other advantages of planetary motor gear trains. All these advantages make planetary motor gear trains one of the most popular types of planetary motors.
The compact footprint of planetary gears allows for excellent heat dissipation. High speeds and sustained performances will require lubrication. This lubricant can also reduce noise and vibration. But if these characteristics are not desirable for your application, you can choose a different gear type. Alternatively, if you want to maintain high performance, a planetary motor gear train will be the best choice. So, what are the advantages of planetary motor gears?

planetary gear train with fixed carrier train ratio

The planetary gear train is a common type of transmission in various machines. Its main advantages are high efficiency, compactness, large transmission ratio, and power-to-weight ratio. This type of gear train is a combination of spur gears, single-helical gears, and herringbone gears. Herringbone planetary gears have lower axial force and high load carrying capacity. Herringbone planetary gears are commonly used in heavy machinery and transmissions of large vehicles.
To use a planetary gear train with a fixed carrier train ratio, the first and second planets must be in a carrier position. The first planet is rotated so that its teeth mesh with the sun’s. The second planet, however, cannot rotate. It must be in a carrier position so that it can mesh with the sun. This requires a high degree of precision, so the planetary gear train is usually made of multiple sets. A little analysis will simplify this design.
The planetary gear train is made up of three components. The outer ring gear is supported by a ring gear. Each gear is positioned at a specific angle relative to one another. This allows the gears to rotate at a fixed rate while transferring the motion. This design is also popular in bicycles and other small vehicles. If the planetary gear train has several stages, multiple ring gears may be shared. A stationary ring gear is also used in pencil sharpener mechanisms. Planet gears are extended into cylindrical cutters. The ring gear is stationary and the planet gears rotate around a sun axis. In the case of this design, the outer ring gear will have a -3/2 planet gear ratio.

planetary gear train with zero helix angle

The torque distribution in a planetary gear is skewed, and this will drastically reduce the load carrying capacity of a needle bearing, and therefore the life of the bearing. To better understand how this can affect a gear train, we will examine two studies conducted on the load distribution of a planetary gear with a zero helix angle. The first study was done with a highly specialized program from the bearing manufacturer INA/FAG. The red line represents the load distribution along a needle roller in a zero helix gear, while the green line corresponds to the same distribution of loads in a 15 degree helix angle gear.
Another method for determining a gear’s helix angle is to consider the ratio of the sun and planet gears. While the sun gear is normally on the input side, the planet gears are on the output side. The sun gear is stationary. The two gears are in engagement with a ring gear that rotates 45 degrees clockwise. Both gears are attached to pins that support the planet gears. In the figure below, you can see the tangential and axial gear mesh forces on a planetary gear train.
Another method used for calculating power loss in a planetary gear train is the use of an auto transmission. This type of gear provides balanced performance in both power efficiency and load capacity. Despite the complexities, this method provides a more accurate analysis of how the helix angle affects power loss in a planetary gear train. If you’re interested in reducing the power loss of a planetary gear train, read on!

planetary gear train with spur gears

A planetary gearset is a type of mechanical drive system that uses spur gears that move in opposite directions within a plane. Spur gears are one of the more basic types of gears, as they don’t require any specialty cuts or angles to work. Instead, spur gears use a complex tooth shape to determine where the teeth will make contact. This in turn, will determine the amount of power, torque, and speed they can produce.
A two-stage planetary gear train with spur gears is also possible to run at variable input speeds. For such a setup, a mathematical model of the gear train is developed. Simulation of the dynamic behaviour highlights the non-stationary effects, and the results are in good agreement with the experimental data. As the ratio of spur gears to spur gears is not constant, it is called a dedendum.
A planetary gear train with spur gears is a type of epicyclic gear train. In this case, spur gears run between gears that contain both internal and external teeth. The circumferential motion of the spur gears is analogous to the rotation of planets in the solar system. There are four main components of a planetary gear train. The planet gear is positioned inside the sun gear and rotates to transfer motion to the sun gear. The planet gears are mounted on a joint carrier that is connected to the output shaft.

planetary gear train with helical gears

A planetary gear train with helical teeth is an extremely powerful transmission system that can provide high levels of power density. Helical gears are used to increase efficiency by providing a more efficient alternative to conventional worm gears. This type of transmission has the potential to improve the overall performance of a system, and its benefits extend far beyond the power density. But what makes this transmission system so appealing? What are the key factors to consider when designing this type of transmission system?
The most basic planetary train consists of the sun gear, planet gear, and ring gear elements. The number of planets varies, but the basic structure of planetary gears is similar. A simple planetary geartrain has the sun gear driving a carrier assembly. The number of planets can be as low as two or as high as six. A planetary gear train has a low mass inertia and is compact and reliable.
The mesh phase properties of a planetary gear train are particularly important in designing the profiles. Various parameters such as mesh phase difference and tooth profile modifications must be studied in depth in order to fully understand the dynamic characteristics of a PGT. These factors, together with others, determine the helical gears’ performance. It is therefore essential to understand the mesh phase of a planetary gear train to design it effectively.

China AC digital display stepless speed controller, high power speed control switch, motor PWM speed controller     car motor		China AC digital display stepless speed controller, high power speed control switch, motor PWM speed controller     car motor
editor by czh 2023-02-17

china price AC Electric Synchronous Induction Motor Speed Control From Manufacture manufacturers

Item Description

EV/HEV traction motor controller
Model: GTAKE
Certificate: CE, RoHS


Design Applicable motor Input voltage variety Peak current Minimal-Voltage range
KTZ**H**ZMA**  Synchronous / asynchronous motor 40V DC ~ 800V DC 900A 6~16V DC / 48V




Thanks to sophisticated engineers, scientific producing workmanship, rigorous quality control systems and administration group, GTAKE EV motor controllers are outfitted with CZPT d attributes, some of which are detailed as underneath:


01  All GTAKE electrical car motor controllers fulfill the standards GB/T 18488.1, GB/T 2423.17, GB14571.4, and GB/T 17619.4.


Rapid torque respond time: <5ms Torque control accuracy: ±5%.


Key factors and parts are specialized for automobiles, with CZPT response and far better overall performance


Massive CZPT density, compact dimension and light excess weight. On the premise of making certain the CZPT , this can efficiently decrease the bodyweight of automobile entire body.


Rational placement, delicate material choice, and CZPT d manufacturing CZPT make the IP quality up to IP67 with the lightest weight. Nicely-developed frames and thickened conformal coating shield the items from severe setting.


GTAKE EV/HEV drives assist terminal control and CAN bus control. The CAN node components connection can be realized by GTAKE drives directly, with the transmission baud rate up to 1 Mbps, true-time, risk-free and dependable.


When the vehicle is geared forward, but there is no phase-on gas and brake sign, it could run at the set lower pace with a matching output torque in accordance to its load and slope diploma of the street, shunned from unexpected slope slipping.


Different filtering strategies in ACR make the output torque smoother with rapid response, improving the comfortability for driver and travellers substantially.


GTAKE motor controllers are outfitted with functionality of defense on short-circuit, over-recent, over-voltage, overheating, in excess of-load, and encoder disconnection, and so on. Similarly, the battery defense can be properly programmed and the controller can alter opinions power tremendously.


Ambient temperature: -40°C~65°C




Power Supply
Input voltage assortment 40V DC ~ 800V DC
Auxiliary reduced-voltage CZPT offer 6V DC ~ 16V DC / 48V



Output Information (U, V, W)
Output peak recent 900A 
Length one min
Output frequency range ~1000 Hz



Applicable CZPT
Variety Synchronous / asynchronous motor
Placement sensor Resolver / CZPT ic encoder
Temperature sensor kind PT100 / PT1000 / NTC
Temperature sensor channel 1



CAN Conversation
Terminal resister Optional
Protocol Personalized



Mechanical parameter
Excess weight Design depended
Dimension Design defined



Vibration GB/T18488.1-2015, and GB/T 28046.3-2011
Humidity Relative humidity 5% – 95 %. No condensation
Ambient temperature -40ºC – 65 ºC
Altitude – 2,000 m
Rated output present  derated 1% each and every 100 m over 1,000 m
Storage temperature -forty – +eighty five ºC
Effectiveness ≥98 % at rated working stage
IP quality IP 67
Cooling strategy H2o cooling





GTAKE  EV controller  offers pace control and torque management, adaptable to all sorts of electric passenger cars, logistics vans, mini cars, special vehicles, electric bus, electrical motorcycle, and so on.



Scooter Motorbike Passenger autos


 Motorcycle forklift More …



 Why choose GTAKE electric vehicle motor controller?


In the development of advocating wise and easy automation, environmentally pleasant items, price-added solutions, GTAKE, as one of the world’s major push companies aggressively investing in R&D, generation, and constant quality enhancement, is well positioned to supply its CZPT ers with technologies-pushed, overall performance-outstanding goods such as VFDs, wind CZPT converters, servo drives, HEV/EV drives, supporting its CZPT ers save power and improve industrial productivity with sustainability on the one particular hand, and boosting their complete value-chain top quality, shipping, and services on the other hand.





In manufacturing, demanding high quality manage is carried out on elements, circuit boards, and the completed merchandise, assuring items without having problems.




GTAKE VS CZPT brand names



Functionality Widespread makes GTAKE
Relevant motors Synchronous motors Asynchronous /synchronous motors
Petrol use *1 17. L / a hundred km fifteen.7 L / 100 km
Power intake *two .993 kWh/km .878 kWh/km
HangZhouage *3 220 km 240 km
Peak torque *4 1250 Nm 1470 Nm
Slope distance *five > 20 cm

< 10 cm

IP ranking IP sixty five

IP 67

Ambient temperature  -10-40ºC


Personalized features (application and/or hardware) Unprocurable or no experience  Procurable with wealthy expertise




Taking TM2100Nm+IM800Nm on 12m hybrid bus as an case in point. 


GTAKE + Asynchronous motor PK Competitor + PMSM


30kWh battery + 18kW asynchronous motor utilized at 4.2m logistics car.


GTAKE can output increased output torque with the same motor.


Anti-slip perform examination. Test situation: twenty five% slope

All of this knowledge is gathered from real projects.



Packaging and logistics


All drives are well packed just before shipment, in shape for air cargo, sea transportation, and specific supply. CZPT ers are able to get in touch with its possess nominated forwarder or check with GTAKE logistics office for CZPT shipment providers.

*  Low-electricity inverters are packed in cardboard box, and others are in plywood situations.

*  Plenty of transportation procurable globally in accordance with CZPT er need or GTAKE knowledge.


GTAKE EV motor controllers are ready to adapt to electric powered light-weight EV, passenger vehicle, Hybrid EV, electrical bus, logistic van, electrical motor cycle, electric boat, electric powered crane, digger and and many others.




Make sure you leave us an inquiry for far more details of CZPT EV controller, like information of the model numbers, complex knowledge, applicable application, pricing, guarantee phrases, guide time and/or CZPT ized performance.

An AC motor is a type of motor that makes use of the phenomenon of electromagnetic induction. AC energy drives the motor. It is a current that periodically reverses path and changes its magnitude of the recent in excess of time. This current is the reverse of a direct present or “DC” which flows in only one direction. AC motors can give a reasonably successful way to generate mechanical power from a straightforward electrical enter sign.
china price AC Electric Synchronous Induction Motor Speed Control From Manufacture manufacturers