Bently Nevada PWA103937-01

• 型号：Bently Nevada PWA103937-01


• 数量：10


• 制造商：　厦门兴锐达自动化设备有限公司


• 有效期：2019/2/1 0:00:00

BENTLY NEVADA 3500 RACK WITH POWER SUPPLY AND MODULES 20/50/32/42M

  BENTLY NEVADA 3500 RACK W/ POWER SUPPLY MODULES 15/20/50/32/42M

  BENTLY NEVADA 2155/00-06-03-00-01-11-11-11-00-00-00 USPP 2155000603000111

   BENTLY NEVADA 3300 Rack w/ 3300/12 Power Supply 3300/16

  BENTLY NEVADA 3500/22-01-01-00 NSPP 350022010100

  NEW BENTLY NEVADA 3500/40 PROXIMITOR

  BENTLY NEVADA 3300/35-11-01-01-00-00 NSPP 3300351101010000

  BENTLY NEVADA 72201-02-02-05-01-01-01 USPP 7220102020501010

  BENTLY NEVADA 3300/35-11-01-01-00-00 USPP 3300351101010000

  BENTLY NEVADA 3500/33 NSPP 350033

  BENTLY NEVADA 3300/50-02-01-00-00 USPP 33005002010000

  BENTLY NEVADA 3300-50-01-01-01-00 USPP 33005001010100

  Bently Nevada 134652-01  137305-01

  Bently Nevada 103928-02  Interface 5160

Bently Nevada  PWA103937-01

  BENTLY NEVADA 3500/64M NSPP 350064M

  BENTLY NEVADA 3300/50-01-01-01-02 USPP 33005001010102

  BENTLY NEVADA 3300-16-02-01-01-01-02-00 USPP 3300160201010102

  BENTLY NEVADA 3300/55-03-04-06-06-00-00-05-00 USPP 3300550304060600

  BENTLY NEVADA 3300-16-02-01-01-01-01-00 USPP 3300160201010101

  BENTLY NEVADA 3300/40-03-01-01-00-00 USPP 3300400301010000

  Bently Nevada 3300/50-03-01-00-00 Tachometer

  Bently Nevada 3300/46-XX-02-01-00 Differential Expansion Module

  Bently Nevada Dual Vibration Monitor Model 3300/15-02-01-00-00-00-00

   Bently Nevada  3300 3300/06-0.3

  BENTLY NEVADA 3300/55-03-04-05-05-00-00-07-00 USPP 3300550304050501

  BENTLY NEVADA 3500/42M NSFP 350042M

Bently Nevada  PWA103937-01

异步电动机保护技术断相相异步电动机具有结构简单价格便宜工作可靠维修方便等优点，是所有电动机中应用最广泛的种。

　　1电动机绕组烧损原因及保护措施针对相异步电动机定子绕组烧损的原因，般采用的保护技术有过热保护，过流保护和断相保护。i.i过热保护部分观点认为无论什么原因造成的故障最终都将导致电机定子绕组过热而烧损，因此，只要防止电机绕组过热，也就保护了电机。但事实上，电机本身有绝缘耐热等级不同的区别。最高允许温升级105 0级120，8级130，级155，1级1800.在同样的环境温度工作条件温升的情况下，有的电机会损坏，有的却不会损坏。同时对于造成电机过热原因中的轴承损坏定转子相擦通风不畅等，应该属于电工定期检，和巡检必须发现解决的，不属于保护技术主要的讨论范围。另外，电机升温降温是个缓慢的变化过程，对大中型重要岗位工作的电机加装温升监视和过热保护装置是必要超温报警而后跳闸的装置。小型电机采用过热保护装置并不定合算。我厂现用的05，04，轧机主电机绕组内部均安装了热电阻内00作为电机的过热保护检测元件。

　　1.2过流保护对于负载几乎恒定不变的电机，过流保护是没有必要的。但有的电机负载经常变化。

　　经常发生过载堵转以致烧损电机绕组。对于郭苗刚，男。1964年生。1兕9年毕于山西广播电视大学电子技术应用专业，现从事电气技术工作工程师。邮编这种运行状况的电机必须加装过流保护装置。相异步电动机虽有较强的过载能力，但对电机过载实行反时限特性保护是必要的。

　　多年来，我厂高压电动机变压器的供电系统均采用反时限特性的过流保护，在工作中起到了良好的保护效果。低压控制系统也主要采用过流保护。

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  BENTLY NEVADA 3500/42 NSFP 350042

  BENTLY NEVADA 3300/20-01-01-02-00-00 USPP 3300200101020000

  BENTLY NEVADA 3300/16-03-02-00-00-00-00 NSPP 3300160302000000

  BENTLY NEVADA 3500/42M NSPP 350042M

  BENTLY NEVADA 2201/06-01 USPP 22010601

  BENTLY NEVADA 3300/55-01-04-02-02-00-00-04-00 NSPP 3300550104020202

  BENTLY NEVADA 3300/55-01-04-02-02-00-00-05-00 USPP 3300550104020200

  BENTLY NEVADA 72751-03-01-13-00-01 NSPP 727510301130001

  BENTLY NEVADA 3500/93 3500 B491583

  Bently Nevada 3500/42M 140734-02 3500 42 M

  Bently Nevada 3300/01-01-01 System Monitor NEW 308

Bently Nevada  PWA103937-01

  Bently Nevada 105401-02 Interface 3407

  BENTLY NEVADA 3500/93 3500  B488252

  Bently Nevada 3300/15-12-01-03-00-01-00

  Bently Nevada 3500/53 Electronic

  2201/02-02 Bently Nevada for Allen Bradley 1771

  BENTLY NEVADA VIBRATION MONITOR 3300/16-11-01-01-00-00

  Bently Nevada  3300/70-XX-00 PLC PWA83980-01 78412

  Bently Nevada  3300/70-01-00 PLC PWA83980-01 84136

Bently Nevada  PWA103937-01

  Bently Nevada 3300/75  3300/75-02-00-00 330075

  Bently Nevada  3300/40-03-01-01-00-00 PLC PWA88796-01 82924

  BENTLY NEVADA 3300/03-02-00 USPP 3300030200

  BENTLY NEVADA 1100-0826 NSPP 11000826

  BENTLY NEVADA 3300/12-01-22-01 NSFP 330012012201

  BENTLY NEVADA 3300/16-03-02-00-00-00-00 USPP 3300160302000000

  BENTLY NEVADA 3300/20-11-01-01-00-00 NSPP 3300201101010000

  NEW BENTLY NEVADA 3500/45 10V-DC  D466931

  BENTLY NEVADA 3500 133388-02 D

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