Hi
I am working on a solenoid powered from a 12V SLA battery and have a few questions:
1) Suppose the solenoid needs 5A to actuate, how can that current be reduced? By increasing the number of turns?
2) What will be effect of increasing the thickness of the coil wire?
3) If a solenoid is powered for longer duration, the internal resistance of the coil increases and thereby more and more current is drawn which causes self-heating of the coil. Can this be overcome using a fixed current supply?
I am working on a solenoid powered from a 12V SLA battery and have a few questions:
1) Suppose the solenoid needs 5A to actuate, how can that current be reduced? By increasing the number of turns?
2) What will be effect of increasing the thickness of the coil wire?
3) If a solenoid is powered for longer duration, the internal resistance of the coil increases and thereby more and more current is drawn which causes self-heating of the coil. Can this be overcome using a fixed current supply?