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Product Introduction
General

l、YZR.YZ. series motors for crane and metal-lurgical uses ,featured with large overload capacity and adequate mechanical strength ,are specially suitable for driving various types of crane and metallurgical mechineries or other similar equipment.
YZR series motors are wound rotors type,while YZseries motors are squirrelcage type.
2、The motors will operate normally under the following conditions:
(1) temperature of coolant not exceeding 40℃(for crane uses) or 60℃(for metallurgical uses).
(2) Altitude form sea-level not exceeding 1000m.
(3) Frequent and significant mechanical vibration and shocks.
(4) Frequent starting ,braking(electrical or mechanical) or reversing.
3. The rated frequency of the motor is 50Hz and rated voltage is 380V.
4. Connection : for motors with power of 132KW or below, Y type connection;T others: △ tye connection. Motors using Y connection can also add zero wire.
5. Type condification.

 
 
6、Output and speed
The range of rated output and ,asynchrouons speed for the basic duty type (S3-40%) are shown in table 1.

 table 1

Frame
Synchronous speed
1000r/min
750r/min
600r/min
112M
1.5
132 
M1
2.2
3.7
M2
160 
M1
5.5
7.5
11
7.5
M2
L
180L
15
11
200L
22
15
225M
30
22
250 
M1
37
45
30
M2
37
280 
S
55
75
45
55
37
45
M
315 
S
75
90
55
75
M
355 
M1
90
110
132
L1
L2
400 
L1
160
200
L2
For the squirrel-cage type . only ratings bounded with heavy-lines are available.

7. For YZ series motors ,when working with basic dult type the guaranteed values of the ratio of the maximum torque and the locked rotor torque to the rated torque under rated voltage are given in table 2.

table 2

Rated Output (kW)
Max Torque TM / RatedtorquveTN
Max Torque TM / RatedtorquveTN

≤5.5

2.0
2.0
>5.5-11
2.3
2.3
>11
2.5
2.5

 

8. For the YZR series motors ,when working with basic duty type ,the guaranteed values of the ratio of the maximum torque to the rated torque under rated voltage are given in table 3.

table 3

Rated Output (kW)
Max torque TM / RatedTorquveTN

≤5.5

2.3
>5.5-11
2.5
>11
2.8

 

9. The moment of inertia Jm ,open-circuit voltage ,no-load current and weight of motor are shown in table 4.

table 4

Series
Frame
1000r/min
750r/min
600r/min
Weight(Kg)
Jm(kg-m)
Open-circuit rotor voltage (V)
No-load Current (A)
Jm(kg-m)
Open-circuit rotor voltage(V)
No-load Current (A)
Jm(kg-m)
Open-circuit rotor voltage(V)
No-load Current (A)
YZR
112M
0.03
100
2.7
73.5
132
M1
0.06
132
3.3
97
M2
0.07
185
4.5
108
160
M1
0.12
138
7.5
154
M2
0.15
185
10.5
160
L
0.20
250
13
0.20
205
11.9
174
180L
0.39
218
18.8
0.39
172
14.8
230
200L
0.67
200
26.6
0.67
178
19.7
317
225M
0.84
250
32.3
0.82
232
28.3
390
250
M1
1.52
250
27.2
1.52
272
34.5
512
M2
1.78
290
30.8
1.79
335
43.7
559
280
S
2.35
280
38.4
2.35
305
54.9
3.58
150
49
745
M
2.86
370
51.9
2.86
360
55.9
3.98
172
59
840
315
S
7.22
302
69.1
7.22
242
74.2
1026
M
8.68
372
64.6
8.68
325
99.2
1156
355
M
14.32
330
97.3
1520
L1
17.08
388
104.3
1764
L2
19.18
475
147.1
1810
400
L1
24.52
395
192
2400
L2
28.10
460
218
2950
YZ
112M
0.022
2.5
58
132
M1
0.056
3.1
80
M2
0.062
4.1
91.5
160
M1
0.114
6.5
118.5
M2
0.143
9.3
125
L
0.192
11.2
0.192
11.1
152
180L
0.352
12.2
205
200L
0.622
18.3
276
225M
0.820
24.3
347
250M1
1.432
33
462
    
     
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