EFFICIENT PRECISION CURRENT REGULATOR FOR HIGH-POWER MAGNETS
Using paralleled power transistors driven by a transistor and a chopper amplifier, supplemented by a coarse feedback loop to the generator field, the field of an electromagnet requiring 80 amp at 200 v was regulated to < 0.001%. The dissipation in the regulator is 250 w. The magnet current may be varied from zero to maximum by setting the reference potentiometer to the appropriate voltage, and sufficient protective measures are incorporated so that the circuit is not injured by misuse. The circuit is usable to perhaps a megawatt. (auth)
- Research Organization:
- IBM Watson Lab.; and Columbia Univ., New York; Columbia Univ., New York
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-13-008890
- OSTI ID:
- 4279618
- Journal Information:
- Rev. Sci. Instr., Journal Name: Rev. Sci. Instr. Vol. Vol: 30
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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TRANSISTORIZED GENERATOR VOLTAGE CONTROL FOR A PRECISION, LARGE CURRENT MAGNET. Technical Report No. 42
Technical Report
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Fri Jun 01 00:00:00 EDT 1962
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OSTI ID:4804210