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Post by tehabq on Aug 16, 2024 3:15:36 GMT -5
Hello everyone! Can anyone tell me if it is possible to use a superconducting magnetic power supply (eg LakeShore 647) to power a regular (non-superconducting) solenoid? I have the option of purchasing a 647 model and have a powerful 2 ohm water cooled solenoid. The maximum current I need is 30 amps. I could not find the characteristics of the current limit from the resistance for the 647 model. I understand that a conventional MPS would be preferable, but at the moment there is an opportunity to buy the MPS LakeSore 647.
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Post by Lake Shore Jeff M on Aug 16, 2024 6:27:36 GMT -5
The Model 647 MPS has been discontinued for more than 20 years and Lake Shore no longer oiffers any service for that Product. My answer is strictly based on the information found in the user manual.
The Model 647 is designed to operate when a superconducting magnet is cold and has basically a zero ohm load resistance. Trying to use it with your 2 ohm solenoid, will result in the over voltage protection circuit shutting the MSP down when the output voltage reaches 40V or in your case when the output current reaches 20A.
Lake Shore does not offer a power supply that is designed to work with a 2 Ohm load; therefore, I recommend you look for another supplier that can accommodate the system you have.
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Post by tehabq on Aug 16, 2024 7:00:35 GMT -5
Thank you a lot!
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Post by deviljinnly on Sept 20, 2024 7:41:46 GMT -5
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