Jorge M. Briseno is a design engineer with Multielectrica Industrial, Naucalpan, Mexico. He received a bachelor's degree from the Instituto Politecnico Nacional in Mexico. Email address: jbriseno@mei-telecom.com
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May 26, 2005[Ideas For Design] Measure Current On Positive-Grounded Systems
In telecom power systems, the positive rail is usually grounded. This forces designers to place a shunt resistor on the system's negative rail to measure current. Yet there are other ways to sense the system's current. Some methods even use a transducer, like Hall-effect or magnetic inductance current transducers, instead of a shunt resistor. These transducers are made for only certain current values (50, 100, or even 200 A). Although effective, such solutions are more...
Jorge M. Briseno is a design engineer with Multielectrica Industrial, Naucalpan, Mexico. He received a bachelor's degree from the Instituto Politecnico Nacional in Mexico.
