YZR,YZ系列起重及冶金用電動機(jī)具有過載能力大和機(jī)械強(qiáng)度高的特點(diǎn)，特別適用于驅(qū)動各種類型的起重和冶金機(jī)械或其它類似的設(shè)備。
   YZR系列起重及冶金用電動機(jī)為繞線轉(zhuǎn)子電動機(jī),YZ系列起重及冶金用電動機(jī)為籠型電動機(jī)。
  YZR、YZ.Series ,motoer for crane and metallurfical usres,featured with large overload capacity and adequatemechanical strength,are specity suitable for driving various types of crane and metallurgical mechineries of other similar equipment.
YZR series motore are of wound rotors type.while YZ series motors are of squirrel cage type.

（1）環(huán)境溫度不超過40℃（一般環(huán)境用）或60℃（治金環(huán)境用）。
（2）海拔不超過1000米。
（3）經(jīng)常的機(jī)械振動及沖擊。
（4）頻繁地起重.制動(電氣或機(jī)械的)及逆轉(zhuǎn)
3.電動機(jī)的額定頻率為50赫，額定電壓為380伏
4.接法：功率為132千瓦和小于132千瓦的定子繞組用Y接法，其余的用△接法，Y接法的電動機(jī)可增加零點(diǎn)引出線。

2. The moor will operate satisfactorily under following conditions:
(1)trmperature of coolant not exceeding 40℃ (for crane uses)or 60℃(for metallurgicaluses)
(2)Alitltude form sea-level not exceeding 1000m
(3)Frequent and significant mechanical vibration and shocks
(4)Frequent starting braking.braking(electrical or mechanical)or revrtsing
3. The rated frequency of the motor is 50 HZ and rated voltage is 380V.
4.Connection: the stator winding is connected in Y for 132KW and below and in for the rest In y whit zero leader is also supplied

基準(zhǔn)工作制（s3-40%)時(shí)的額定輸出功率和同步轉(zhuǎn)速見表1
（The range of rated output and,asyuchrouons speed for zhe basic duty type (S3-40%)are shown in table1.）

YZ系列電動機(jī)在額定電壓下的**大轉(zhuǎn)矩和堵轉(zhuǎn)轉(zhuǎn)矩對額定轉(zhuǎn)矩的保證值見表2
（YZ series electric motor’s and stops up when rated voltage biggest torque transfers the torque see Table to nominal torque’s guarantee value 2）

YZR系列電動機(jī)在額定電壓下的**大轉(zhuǎn)矩對額定轉(zhuǎn)矩之比的保證值見表3
（YZR series electric motor’s when rated voltage biggest torque see Table to ratio of the nominal torque guarantee value 3）

     1.定貨時(shí)必須說明產(chǎn)品型號、額定功率、額定電壓、額定頻率、調(diào)速范圍及在此范圍內(nèi)的運(yùn)行特性，接線盒位置等。
2.如有特殊要求，經(jīng)雙方協(xié)商后，可提供其他極數(shù)，其他結(jié)構(gòu)及安裝型式的電動機(jī)，也可配帶各種轉(zhuǎn)感器（測速發(fā)動機(jī)、超速開關(guān)=編碼器等），各種制動器（電磁式、渦流式）各種熱敏保護(hù)裝置和加熱帶等。