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IE4 Premium high efficiency 3-phase Permanent Mgnet Synchronous Motor By Dol starting

Y2系列10.jpg


 
 At present, efficient and energy-saving motor is demanded more and more in the market, and therefore, all the motor manufacturers are racking their brains to research and develop production of this kind of motor. Then what is the operating principle of efficient motor?  Everybody knows that the motor consumes electric energy when it works, so it is a device that converts electrical energy into mechanical energy. 70%-95% electrical energy absorbed by the motor is converted into mechanical energy while the rest is consumed due to heating of the motor itself, mechanical loss and so on. The motor with higher utilization rate of electrical energy is called high efficient motor, and “efficient motor” for short. In terms of motor, each percent of increase in its efficiency shall increase a lot of its material. When the efficiency reaches a certain value, there shall be no way to further increase the motor efficiency value at all. The vast majority of efficient motors in the present market are upgraded products of three-phase asynchronous motors, which mainly increase the motor efficiency with the following approaches. 


 1. Increase the material by using over-sized outside diameter of iron core, increasing the length of iron core and also the weight of copper wires. For instance, the outside diameter of Y2-80 motor is increased from Φ120 to Φ130, and even to Φ145 for some motors abroad , meanwhile the overall length is increased.   

  

   2. Silicon steel sheet with good magnetic permeability is used. Hot-rolled sheet was used in the past, but now high quality cold-rolled sheet with low dissipation is used instead, such as DW470, or DW270, whose dissipation is even lower.  

  

   3. Mechanical loss is reduced by improving machining accuracy and fan loss is reduced by means of using smaller fans. High efficient bearings are adopted. 

  

   4.  Design of electric performance parameters of the motor is optimized by means of changing the groove shape, etc. 


   5.  Cast copper rotor is used (requiring complicated technology and high cost).


  With the above scheme, the efficiency of some three-phase asynchronous motors can meet Grade 2 energy efficiency motor in normal production as required by the national standard, however, most motors cannot meet the requirement at all, let alone meet Grade 1 energy efficiency of the national standard.  

  

   The motor efficiency standard of China is GB18613-2012, which specifies 3 energy efficiency grades: Grade 3, Grade 2 and Grade 1, higher in proper order. Grade 3 is the lowest limit. At present, many of the motors used in production have not reached Grade 3 standard. Grade 2 is ultra-high efficient motor while Grade 1 is super ultra-high efficient motor. IEC efficiency standard is IEC60034-30, which is classified into IE1, IE2, IE3 and IE4 standard efficiencies. IE1 is standard efficiency, IE2 is high efficiency, IE3 is ultra-high efficiency and IE4 is super ultra-high efficiency. Their corresponding relation with the Chinese energy efficiency standard is: Grade 3 - IE2, Grade 2 - IE3, Grade 1 - IE4.


   Above are the basic conditions of ordinary three-phase high efficient motors. The high efficient motor developed and produced by our company is high efficient three-phase synchronous permanent magnet motor, which has the same appearance as ordinary motors. The basic structural parts are universal, but the internal structure is changed and the working principle is also different from that of standard asynchronous motor. The main characteristics are stated as follows:  


   1. The rotating speed is synchronous. The rotating speed of ordinary 80-4-pole motor is close to 1,500rpm when it has no load and 1,380rpm when it is loaded. It is very difficult to increase the speed and it can never reach 1,500rpm, which is decided by its working principle. But high efficient motor is a synchronous motor, the rotating speed is 1,500rpm in both no load and full load states because a permanent magnet is used for the rotor, which is also the background of permanent magnet motor. The rotor of ordinary asynchronous motor produces a magnetic field with induction while the rotor of synchronous motor itself has a magnetic field, it can be synchronous with the high efficient magnetic field, so it is called synchronous motor. 

           

   2. The efficiency value is increased greatly. The energy efficiency value of ordinary motor can not meet Grade 3, but that of permanent magnet synchronous motor with the same volume can reach or even exceed Grade 1. The efficiency of ordinary 8024 motor is 73% while that of high efficient synchronous motor is 86%. 

  

   3. The power factor is increased greatly. Ordinary high efficient motor can not increase the power factor as it increases the efficiency, furthermore, they are two opposite magnitudes, that is, when other parameters are not high, increase of efficiency will decrease power factor. But power factor has a strict requirement in the power grid. The power factor of permanent magnet motor is as high as 98%. 

  

   4. Synchronous permanent magnet motor is a pure and pute high efficient motor. The high efficiency of ordinary asynchronous high efficient motor is conditional, which can specify the efficiency value only when it has 75%~100% load, but the efficiency and power factor are very low in the light load state. Therefore, in selection and use of motors, usually “a big horse pulls a small carriage” must be avoided as much as possible. By so doing, not only the first investment is lowered, the power consumption will also be lowered in the days to come. In actual operation, however, the load may change sometimes and the maximum working condition may be selected sometimes, so it is hard to avoid running in low efficiency during application. However, in the low load state of synchronous permanent magnet motor, high efficiency can be reached only when the load is over 20%, therefore, the circumstance that high consumption of electricity due to load change does not exist, which is also a very applicable feature.   


   5. Low speed operation is realized. Some customers may have special requirements for very low speed of the motor, which can leave out the intermediate deceleration link. If frequency control of motor speed is used, the cost is too high. The minimum speed of ordinary asynchronous motor is 8 poles (over 700rpm), large motors can be up to 10 poles (over 500rpm). Therefore the requirement for motors with dozens of rpm is made possible.     

   6. Motor starting. The application method of low power synchronous motor is the same as that of ordinary motor. Frequency converter is used for starting control of motors above 22KW, though the cost is increased, the advantages are obvious. When the motor is started, the starting current is 5~7 times of the rated working current. The higher the direct starting current of motor is, the higher the impact on the local power grid will be, resulting in easy damage to the control switches. Star angle conversion starting is also used, which needs a control cabinet. But the starting torque of this type of starting is only one-third of the normal torque, which means a small force. When a frequency converter is used to start permanent magnet synchronous motor, the disadvantages of the above two starting methods are overcome completely, because the motor speeds up gradually from 0 rpm, the starting current is low, and the working torque is reached when it is started at low speed, so the running is stable, safe and reliable. The overload, overcurrent and overvoltage protection devices can prevent the motor from damaging during operation, so this starting mode has been recognized and used for more and more high-power motors. When ordinary three-phase asynchronous motors are used in many cases in motor and water pump fields, frequency converters are also used at the same time for the purpose of energy saving.  


How to calculate power consumption of the motor? 

   

    One kilowatt-hour of electricity means the power consumed by a 1KW lighting bulb when it works for one hour. The motor itself has a higher loss. The electricity consumed by a 1KW motor when it works for one hour is related to the efficiency of the motor. Suppose the efficiency of the motor is 100%, it shall require 1 kilowatt-hour of electricity in one hour. Suppose the efficiency is 80%, it shall require 1.25 kilowatt-hour of electricity in one hour (and even more in fact because of other factors), i.e. 0.25 kilowatt-hour of electricity is consumed by the motor itself. 

    

Take 8024 motor as an example, in case the efficiency is increased from 73% to 86%, an increase of 13% means 13% of electricity is saved, and the electric charge you pay will be reduced by 13%. In terms of an 8024-0.75KW small motor, if it consumes 5 kilowatt-hour of electricity in one day, the electric charge will be 5 × 1 = 5 yuan,  5 × 13% = 0.65 yuan. 

Then, for one year, 0.65 × 350 ≈ 230 yuan, which means the money saved in one year is enough to buy a set of ordinary motor. 

    

       TYCD permanent magnet synchronous series motor is characteristic of ultra-high efficiency, small volume, high performance and ultra power saving, therefore it is an ideal product to replace the original three-phase asynchronous motor and three-phase asynchronous variable-frequency motor. 


Basic parameters:


Rated voltage: 380V


Rated frequency: 50Hz 


Insulation class: Class F


Protection grade: IP55


Cooling mode: IC411


Working system: S1


Mounting type: The same as Y2 series three-phase asynchronous motor


Operating environmental conditions

 

Ambient temperature: -25~+40℃

 

Altitude: ≤1000m, Relative humidity ≤90%

  

   Note: For use in any special environment, the feasibility design or use with power reduction must be indicated when the order is placed. 


Wiring method


Looking from the shaft extension end, the terminal box of the motor is on the top of the motor base. If the user has any special requirement, it must be marked on the right side or the left side of the motor base and indicated additionally in the order. 


IE4 Premium high efficiency 3-phase Permanent Mgnet Synchronous Motor By Dol starting ,2-POLE,3000RPM,50HZ

type

Power

(kW)

Voltage

(V)

RPM

(r/min)

Current

(A)

Efficiency
(%)
Factor
(cosφ)
Locked currentLocked torqueMax torque

TYCD-80M1-2

0.75

380

3000

1.36

84.9

0.99

6.1

2.2

2.3

TYCD-80M2-2

1.1

3000

1.95

86.7

0.99

7.0

2.2

2.3

TYCD-90S-2

1.5

3000

2.63

87.5

0.99

7.0

2.2

2.3

TYCD-90L-2

2.2

3000

3.79

89.1

0.99

7.0

2.2

2.3

TYCD-100L-2

3.0

3000

5.13

89.7

0.99

7.5

2.2

2.3

TYCD-112M-2

4

3000

6.80

90.3

0.99

7.5

2.2

2.3

TYCD-132S1-2

5.5

3000

9.23

91.5

0.99

7.5

2.2

2.3

TYCD-132S2-2

7.5

3000

12.5

92.1

0.99

7.5

2.2

2.3

TYCD-160M1-2

11

3000

18.2

93.0

0.99

7.5

2.2

2.3

TYCD-160M2-2

15

3000

24.6

93.4

0.99

7.5

2.2

2.3

TYCD-160L-2

18.5

3000

30.3

93.8

0.99

7.5

2.2

2.3

TYCD-180M-2

22

3000

35.8

94.4

0.99

7.5

2.0

2.3

TYCD-200L1-2

30

3000

48.7

94.5

0.99

7.5

2.0

2.3

TYCD-200L2-2

37

3000

59.9

94.8

0.99

7.5

2.0

2.3

TYCD-225M-2

45

3000

72.6

95.1

0.99

7.5

2.0

2.3

TYCD-250M-2

55

3000

88.5

95.4

0.99

7.5

2.0

2.3

TYCD-280S-2

75

3000

120

95.6

0.99

7.5

2.0

2.3

TYCD-280M-2

90

3000

144

95.8

0.99

7.5

2.0

2.3

TYCD-315S-2

110

3000

176

96.0

0.99

7.1

1.8

2.2

TYCD-315M-2

132

3000

211

96.0

0.99

7.1

1.8

2.2

IE4 Premium high efficiency 3-phase Permanent Mgnet Synchronous Motor By Dol starting, 4-POLE,1500RPM,50HZ

type

Power

(kW)

Voltage

(V)

RPM (r/min)

Current

(A)

Efficiency
(%)
Power factor
(cosφ)
Locked currentLocked torqueMax torque

TYCD-80M1-4

0.55

380

1500

1.01

84.5

0.98

6.6

2.0

2.5

TYCD-80M2-4

0.75

1500

1.35

85.6

0.98

6.8

2.0

2.5

TYCD-90S-4

1.1

1500

1.95

87.4

0.98

7.6

2.0

2.5

TYCD-90L-4

1.5

1500

2.53

88.1

0.98

7.6

2.0

2.5

TYCD-100L1-4

2.2

1500

3.79

89.7

0.98

7.6

2.0

2.5

TYCD-100L2-4

3

1500

5.13

90.3

0.98

7.6

2.5

2.8

TYCD-112M-4

4

1500

6.80

90.9

0.98

7.6

2.5

2.8

TYCD-132S-4

5.5

1500

9.23

92.1

0.98

7.6

2.5

2.8

TYCD-132M-4

7.5

1500

12.5

92.6

0.98

7.6

2.5

2.8

TYCD-160M-4

11

1500

18.2

93.6

0.98

7.6

2.5

2.8

TYCD-160L-4

15

1500

24.7

94.0

0.98

7.6

2.5

2.8

TYCD-180M-4

18.5

1500

30.3

94.3

0.98

7.6

2.5

2.8

TYCD-180L-4

22

1500

35.9

94.7

0.98

7.6

2.5

2.8

TYCD-200L-4

30

1500

48.8

95.0

0.98

7.6

2.5

2.8

TYCD-225S-4

37

1500

60.0

95.3

0.98

7.6

2.5

2.8

TYCD-225M-4

45

1500

72.8

95.6

0.98

7.6

2.5

2.8

TYCD-250M-4

55

1500

88.7

95.8

0.98

7.6

2.5

2.8

TYCD-280S-4

75

1500

121

96.0

0.98

6.8

2.0

2.3

TYCD-280M-4

90

1500

145

96.2

0.98

6.8

2.0

2.3

TYCD-315S-4

110

1500

176

96.4

0.98

6.8

2.0

2.3

IE4 Premium high efficiency 3-phase Permanent Mgnet Synchronous Motor By Dol starting, 4-POLE,1500RPM,50HZ, 6-POLE,1000RPM,50HZ

type

Power

(kW)

Voltage

(V)

RPM (r/min)

Current

(A)

Efficiency

(%)

Power factor

(cosφ)

Locked currentLocked torqueMax torque

TYCD-90S-6

0.75

380

1000

1.33

86.8

0.98

7.0

2.2

2.5

TYCD-90L-6

1.1

1000

1.91

88.2

0.98

7.0

2.2

2.5

TYCD-100L-6

1.5

1000

2.58

89.4

0.98

7.0

2.2

2.5

TYCD-112M-6

2.2

1000

3.73

90.5

0.98

7.0

2.2

2.5

TYCD-132S-6

3

1000

5.03

91.5

0.98

7.0

2.5

2.7

TYCD-132M1-6

4

1000

6.64

92.4

0.98

7.0

2.5

2.7

TYCD-132M2-6

5.5

1000

9.07

93.1

0.98

7.0

2.5

2.7

TYCD-160M-6

7.5

1000

12.3

93.7

0.98

6.8

2.5

2.7

TYCD-160L-6

11

1000

17.2

94.3

0.98

6.8

2.5

2.7

TYCD-180L-6

15

1000

24.3

94.7

0.98

6.8

2.5

2.7

TYCD-200L1-6

18.5

1000

29.9

95.1

0.98

6.8

2.5

2.7

TYCD-200L2-6

22

1000

35.4

95.4

0.98

6.8

2.5

2.7

TYCD-225M-6

30

1000

48.1

95.7

0.98

7.2

2.5

2.7

TYCD-250M-6

37

1000

59.2

95.9

0.98

7.2

2.5

2.7

TYCD-280S-6

45

1000

71.9

96.0

0.98

7.2

2.5

2.7

TYCD-280M-6

55

1000

87.8

96.1

0.98

7.2

2.3

2.5

TYCD-315S-6

75

1000

120

96.2

0.98

7.2

2.3

2.5































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DANDONG SHANCHUAN ELECTRICAL ENGINEERING CO.,LTD.
TEL:+86-415-7150468
FAX:+86-415-7150468
ADD: The sea industrial district of Donggang City, Liaoning Province,China
http://sc-motor.com
E-mail: sc-pmsm-andy@sc-motor.com
Address: The sea industrial district of Donggang City, Liaoning Province,China
DANDONG SHANCHUAN ELECTRICAL ENGINEERING CO.,LTD.
TEL:0415-7105468
FAX:0415-7105468
http://www.sc-motor.cn
E-mail: sc-pmsm-andy@sc-motor.com
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