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Vol. 3, Issue 1, Part A (2021)

The study on model of variable and motors resistance on series circuit in the stalled DC motor

Author(s):

Xu run, Zhiqiang Chen

Abstract:

The stall phenomenon which happens in loaded motor is unqualification in application. Meanwhile it may measure the maximum property of DC (direct current) motor in manufacture. So the phenomenon is analyzed to find a simulation of electrical state to predict the maximum currency and torque which is a necessary method to be proceeded up to now before design. We find that the simulation fits well to the reference. The conditions of t=6s, R2=25Ω, U=20V result in the biggest stall force according to rotation to change time and voltage. Then it is t=8s, R2=20Ω, U=16V; t=10s, R2=15Ω, U=12V and t=12s, R2=10Ω, U=8V in turns. As for torque it is t=6s, R2=25Ω, U=20V; t=8s, R2=20Ω, U=16V; t=6s, R2=25Ω, U=20V and t=12s, R2=10Ω, U=8V in turns. With increasing resistance R1 the power increases to 4W with 8V, and then to 6WËŽ 7WËŽ 10W with 12VËŽ16VËŽ20V respectively. With the increasing voltage and resistance R2 and decreasing time the power will be bigger.