Power supplies
- jeffie_3
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16 Dec 2012 23:24 #27788
by jeffie_3
Power supplies was created by jeffie_3
I have a servo driver 30A8T it has a 80 volt limit. I have a 90 volt motor. So I under if I stay below 80 volts everything will be fine. Is there any recommendations on power supplies? Buy? Build?
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- BigJohnT
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17 Dec 2012 01:37 #27790
by BigJohnT
Replied by BigJohnT on topic Power supplies
I like Antek (not the computer ones Antec) power supplies.
John
John
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- jeffie_3
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19 Dec 2012 20:15 #27863
by jeffie_3
Replied by jeffie_3 on topic Power supplies
Thank you John. They have a large selection. Now that I have looked at that. What is the difference between regulated and unregulated power supplies?
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- jmelson
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20 Dec 2012 13:30 #27883
by jmelson
With an UNregulated supply, if line voltage
rises or dips the DC output rises or dips about the same percentage.
But, the big bulk capacitor in the typical UNregulated supply is actually
good, it is a reservoir to store any energy coming back from the motor
when the drive decelerates it. A regulated supply generally has no
way to handle this returned energy and it may cause the voltage to
surge and damage the drive, and/or the power supply.
Jon
Replied by jmelson on topic Power supplies
A regulated power supply produces a regulated output voltage.Thank you John. They have a large selection. Now that I have looked at that. What is the difference between regulated and unregulated power supplies?
With an UNregulated supply, if line voltage
rises or dips the DC output rises or dips about the same percentage.
But, the big bulk capacitor in the typical UNregulated supply is actually
good, it is a reservoir to store any energy coming back from the motor
when the drive decelerates it. A regulated supply generally has no
way to handle this returned energy and it may cause the voltage to
surge and damage the drive, and/or the power supply.
Jon
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