显示标签为“fan cover”的博文。显示所有博文
显示标签为“fan cover”的博文。显示所有博文

2014年11月23日星期日

Dust explosion-proof motor

 Y2 series 0.75kW (1HP) AC Motor for Speed Control
Specifications
1. effiency: IE2 and IE1 
2. 20 years manufacturing experience 
3. 12 months guarantee 
4. low noise and vibtration 
It refers to the shell design and manufacture according to the prescribed conditions, can prevent the dust ac electric motor into the motor shell or cannot completely prevent dust to enter, but it into the quantity does not interfere with the safe operation of the motor, and internal dust accumulation is not easy to produce fire danger, when using, also won't cause around with explosive dust mixture explosion of the motor. Its features are: (1) the shell has high sealing, in order to reduce or prevent dust acmotor2.blogspot.com into the enclosure, even to enter, it into the quantity also not form fire danger. (2) control the shell top surface allow temperature does not exceed the prescribed temperature group. At electric generator present, has been used in national food reserve of mechanized equipment. The national standard of dust explosion-proof electrical equipment for GBl2476.1-90 dust explosive environment with explosion-proof electrical equipment.

2014年11月4日星期二

Three-phase no-load current of 2.5 0.75 KW motor, what reason be

Y2 series electric motor wholesale
Specifications
1. effiency: IE2 and IE1
2. 20 years manufacturing experience
3. 12 months guarantee
4. low noise and vibtration
There are two 0.75 KW... Grade 4... 380 v... The motor.. No-load current is between 2.3 to 2.6... Work environment textile... 'a lot... Rated current of the motor is only 2.2... Normal no-load current is www.dongfeng- motor.com around 1.6... Time machine completely under the condition of no load over current... Due to the current big. So high temperature sharply born... Will soon.. Overheating damage... Please say the reason... thank you Problem complement: I thank two answer first... Disease, spare parts and together, the two are not normal before.. In a few years later. You'll find the bad one current is increased. [. Repair of the motor are friends. Eliminate offline ribbon..] ... Until now, with or without load... Motor current is bigger... Last year when the motor current in 2.0 A... Now 2.4-2.5 A... Motor ac motor shaft sleeve inside and outside in good condition... Have not completed... Don't go... Just electric pilot time to run the old hot... Often the temperature in fan cover the 60-80 degrees... Wiring is right... Are the normal installation...