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> YEZ series introduces work…
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Contacts:
Han Shun(13921108378)
Gu Bin (13921108378)
Gu Guoqing (13706173306)
Address: No.5, Shuiyuebang Road, Qianzhou Town, Wuxi City
Tel:0510-83393380
        0510-83391347 
Web:www.jindiao-cn.com
Msn:hanshun1982@hotmail.com
E-mail:wuxijindiao@126.com
          hanshundm@163.com
 
 
 
 
YZRW motor series: working principle and outline introduction
 

1.YZRW series eddycurrent brake wound rotor threephase asynchronous motors for hoisting and metallurgy are composed by YZR series motors and the eddypcurrent brake installed on the auxiliary shaft extension. The motors integrate driving and speed regulation: they have the advantages of stable low speed regulation, without getting out of control and reliable operation.

2. The eddy-current brake motors can normally operate under the following ambient conditions:
(1) The cooling medium temprature shall not exceed 60℃ (motors with H class insulation ) or 40℃ (motors with F class insulation);
(2) The elevation shall not exceed 1000m;
(3) Frequent obvious mechanical vibration and shock.

3. Eddycurrent brake motors are derivatives in humid tropics climatic environment, and the winding and surface cover layer are conducted with special dipping and treatment. Besides complying with subclause (2), they shall be normally operated under the following environment conditions.
(1) At 25℃, the monthly average maximum relative humidity in the most humid month is 90%;
(2) The lowest ambient air humidity -15℃;
(3) Frequent starting and braking.
4. The corresponding relationship of rated power, rotor rotary inertia Jm1, rotor winding open-circuit voltage, rated brake torque and limit brake torque of eddy-current brake, rotary inertia of armature Jm2 and seat No. of eddy-current brake motor in standard working system shall comply with the following table.
  Seat No. 112M 132M1 132M2 160M1 160M2 160L 180L 200L 225M 250M1 250M2 280S 280M

Eddy-current brake motor

 

1000
r/min
Power
KW
1.5 2.2 3.7 5.5 7.5 11 15 22 30 37 45 55 75
Jm1
Kg.m2
0.03 0.06 0.07 0.12 0.15 0.2 0.39 0.67 0.84 1.52 1.78 2.35 2.86
Rotor open-circuit voltage V 100 132 185 138 185 250 218 200 250 250 290 280 370
750
r/min
Power
KW
7.5 11 15 22 30 37 45 55
Jm1
Kg.m2
0.20 0.39 0.67 0.82 1.52 1.79 2.35 2.86
Rotor open-circuit voltageV 205 172 178 232 272 335 305 360
600
r/min
Power
KW
37 45
Jm1
Kg.m2
3.58 3.98
Rotor open-circuit voltageV 150 172

Eddy-current brake motor

Eddy-current brake Rotor open-circuit voltage 7 18 64 118 170 235 390 590
Rated speed
r/min
100 100 100 100 100 100 100 100
Limited braking torque N·m 26 64 196 245 390 540 785 1180
Jm2
kg·m2
0.13 0.3 0.6 1.3 1.9 2.9 5.3 8.8
5. The structure and installation form of eddy-current motors are IM1001, IM1003, IM3011 and IM3013, and they shall be manufactured according to the specifications in the table below:
Structure and installation form Code Manufacturing scope(seat No.)
 
IM1001 112~160
IM1003 180~280
IM3011 112~160
IM3013 180~280
6.Under rated voltage and standard working system, the gaurantee value of peak torque against the rated torque for the eddy-current brake motors shall not be less than the specifications in the table below.
≤5.5 2.3
>5.5~11 2.5
>11 2.8
 
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