显示标签为“electric motors price”的博文。显示所有博文
显示标签为“electric motors price”的博文。显示所有博文

2014年9月22日星期一

The choice of single-phase capacitor electric mechanical and electrical capacity


The choice of single-phase capacitor small electric fan motor electric mechanical and electrical capacity Most of single-phase motor capacitor,such
acmotor2.blogspot.com as washing machines,electric fans,submersible pump,small
woodworking planer,etc.But due to capacitor spoiled or improper selection capacity,Motor running temperature,noise,power consumption increases,the speed is reduced,the phenomenon such as torque decreases,here the selection of electrical and mechanical capacity of the capacitor motor approach to electricity Work friends can do a introduction,for your reference. Calculation method 1:Single-phase
capacitor electric mechanical and electrical capacity depends on the size of the deputy winding current.

Because of different sizes,single phase motor power to consider when choosing capacitance rev Dynamic torque,speed,temperature,noise and loss should be within the normal range.So first of all should from the nameplate detect single-phase motor power,calculate the primary winding of the electricity Flow,and then according to the primary winding current (0.5 0.7) times to perkins diesel generator set calculate the current value of each winding current,according to the formula C = IC * 10 divided by 2 PI fVo.The formula of the I I = P = V is obtained. 2:the selection of capacitor Single-phase capacitor motor should first choose oil-immersed capacitor,pressure value should be above 400 v.Second optional www.facebook.com/guohong.trading ac electrolytic capacitor,its small size,low prices,but life Life is a bit short.

2014年8月20日星期三

Electronic commutation motor

ECM motor in forced air furnace and in order to save electricity of the HVAC system is used more and more,because of induction motor sales the HVAC system of fan running for a long time in the daytime.In the cost efficiency of the HVAC system with ECM motor is still questionable,the cost of the repair this motor is www.facebook.com/guohong.trading almost equal to or even more than saving it.Other single-phase capacitor motor general principal deputy for the parallel operation,the main current in our actual use load range of 90 degrees or so, You can get the best performance;And series connection generally appear in one pole winding speed regulating pole change motor,when in actual use NaZhu vice around the load ac alternators 220v range Consistent set of basic Angle,unable to form a circular magnetic field.