11KW YZTDseries for tower crane changing- poles multi -speed three-phase motor for tower crane

Ref Price:
Loading Port:
Payment Terms:
Min Order Qty:
1 set
Supply Capability:
1000 set/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

 Packaging & Delivery

Packaging Details:   Carton/ Wooden box or according to customer's requirement

Delivery Detail:        Within 20 days after30% deposit

  1. Prompt Quotation, Competitive Price

  2. 100%tested, Guaranteed Quality, 100% copper wire,  Cold-rolled silicon steel sheet 

  3. Good performance. 

  4. Energy saving ,Long working life .

  5. motor with ISO9002-2000, CCC

YZTD Series is specially developed for tower crane and other construction machinery electric drives. It is up to the demand of  national standard GB755-87"the bisic technology demand of rotary electric motor"and industrial standard"YZTD variable poles multi speed three-phase motor for tower crane". the product's features are high speed ratio, low starting current, high starting torque, strong overload capacity, simply operation and convenient maintennance,etc.

 Detailed information:

  • Power range: 0.5-315kw.

  • Poles: 4//16/24.

  • Protecting level: IP44/IP54

  • Cooling way: IC411.

  • Installation way: B3 or customization.

  • Rated voltage: 380v / 440v.

  • Rated frequency: 50Hz/ 60Hz.

  • working method: high speed, medium speed S3-40%, low speed S3-25%.

  • Working temperature: F:-20°c to 40°c, H:  -20°c to 60°c .

  • Altitude:  lower than 1000m. 

  • Addition: Can be made according to your requirements


  • High efficiency and low energy consumption.

  • Low noise and vibrate.

  • Simple operation.

  • Easy maintenance.

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Single phase synchronous alternator working principle
The working principle of the dc generator is the armature coil alternating during induction electromotive force, the commutator with brush commutation function, make it from the brush end into the principle of dc electromotive force.
Q:How does the three-phase alternator work?
The three-phase alternator is usually made up of stator, rotor, end cover, brush, seat and bearing. The stator is composed of the machine seat. Stator iron core, wire wrap winding, and other structural parts that are fixed in these parts. The rotor is made up of rotor core, rotor magnet (magnetic coil), slide ring, (also known as brass ring), fan and shaft.
Q:Is the ac servo motor self internal speed control
Can be internal direct speed adjustment, use dot move speed pattern, normally use PLC to send the PLS pulse, also can use a single chip machine of course
Q:Ac asynchronous generator principle
Generator up the machine is provided by an external source excitation current, after reaching the rated speed will be separated from the bus part of exciting current, but is 10 kv / 20 kv bus voltage, and then after excitation variable step-down rectifier once again return to the rotor 2.... (sorry, forget the synchronous speed), the magnetic induction of the stator are the induced electromotive force on the rotor line on the stator winding cutting (relative is the conductor in cutting the magnetic induction line) immortality induced current 1 year without touch, if there is a false appreciation to correct, decline the spray son O
Q:What happens to the capacitance of ac motor
The answer to a The capacitance unit is uf If the capacity is constant, the pressure will decrease. If the pressure rating is not too large, it's fine. Capacitors are selected primarily for pressure and capacity, which is proportional to capacity and inversely proportional to the voltage level. There is an understanding of the problem you ask, and the capacitance in question refers to a capacitor which is large enough to be large. If this is the case, and on the basis of the voltage class capacity increase Capacitance is reduced. Big is not desirable But too much according to specific situation causes the damage of capacitor.
Q:Can two phase ac motor not be able to install governor?
In practice, the ac motor is always associated with the production machine, forming the power drag system. Different production machinery requirements at different speeds, even though the same under different operating conditions, production machinery also need different speed, so need to drag system the speed of adjustment, the ac motor speed control. Ac motor, especially cage induction motor, with no mechanical reversing device, simple structure, reliable operation, easy maintenance, low cost, and good energy-saving effect, in such aspects as stand-alone capacity and speed limits are higher than dc motor; Especially in the case of dust and explosive hazards, ac motors are more applicable. But the speed regulation performance of ac motor is not as good as the dc motor. For a long period of time, the ac motor can only operate at constant speed. The problem of speed adjustment of ac motor has been the focus and research of electric drag workers. In the 1930s, many scholars proposed various speed regulating system to improve the speed regulating performance of ac motor.
Q:How does the ac motor work? What can you do to change why?
The principle of alternating current motors: the coils spin in the magnetic field. At work, energy is converted into kinetic energy
Q:Any 220V ac motor can be reversed?
Yes, 220 motor can be turned on and off. But there is usually a steering sign outside the motor.
Q:Ac motor power frequency conversion
The output frequency is the maximum 600Hz, which can control high-speed motor The all-around detection protection function (overpressure, undervoltage, overload) is instantaneous without power Noil accelerates, decelerates, and loses speed to prevent the protection function The dynamic parameter automatic identification of the noil motor ensures the stability and precision of the system The response is fast when the noil is down fast It has abundant and flexible input, output interface and control mode It adopts SMT full-stick production and three anti-coating process, the product is stable and high The whole series adopts the latest Siemens IGBT power device to ensure the quality of quality
Q:The difference between a converter motor and a regular ac motor
Ordinary ac motor speed is fixed, the work in the nominal speed. And rotational speed of variable frequency motor is variable, and it varies with the frequency of the power supply voltage, the motor speed can be controlled, can be adjusted.

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range