Torque Production in Eddy Current Motors - Physics Forums
2021年6月12日 · Consider a simple eddy current AC motor with a disc type or cylindrical rotor (Watthour meter principle). The general theory of torque production explained in textbooks is …
BLDC motor as generator to power eddy current brakes - Physics …
2017年10月30日 · The motor will disconnect from the batteries once the vehicle reaches its top speed, and its own velocity will generate AC current through wheel rotation. This current will …
Eddy Current Speedometer Experiment - Physics Forums
2018年5月27日 · In summary, the conversation revolves around creating an experiment using a motor driven shaft to measure the angular velocity of another shaft through eddy currents. The …
Eddy current losses in core of a electromagnetic motor - Physics …
2013年4月6日 · You refer to the eddy current effects in a loudspeaker as being relevant but, in the case of a loudspeaker, the coupling is far higher (there are around 100 turns on a typical voice …
Current drawn from motors and Eddy Currents - Physics Forums
2013年6月5日 · In summary, the conversation discusses two questions related to eddy currents and electric motors. Eddy currents are formed in transformers and electric motors due to a …
What is the difference between eddy current and induced current?
2011年3月15日 · The eddy current is not in that coil (ie. not self induction or back emf). The eddy current is not in the secondary coil (ie. induction). It is in the core. The eddy current is caused …
Eddy current losses in core of a electromagnetic motor
2013年4月6日 · Eddy current losses of power is 5.8E-12% from power of ribbon current. using solid core. With using laminated core it will be 5.8E-16% So, yes, you guys are right! These …
Eddy currents in case of synchronous and asynchronous motors
2017年10月9日 · Eddy currents can cause power losses in a motor, reducing its overall efficiency. In synchronous motors, these losses can be minimized through the use of laminated rotor …
Eddy Current Force: Equation & Derivation - Physics Forums
2016年9月22日 · So now you have a flux space in the airgap, containing reduced magnetic flux, but it is not completely cylindric, due the time delay ( phase shift ) between eddy voltage and …
Eddy currents, and induced current, can they both co-exist?
2015年7月23日 · What you'd get would be a vector addition at each point of individual current densities due to the circuit current and the eddy current. I'm fairly confident that in 'ordinary' …