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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Narasimhan, R. Zinger, D.S. |
| Copyright Year | 2002 |
| Description | Author affiliation: Dept. of Electr. Eng., Northern Illinois Univ., DeKalb, IL, USA (Narasimhan, R.; Zinger, D.S.) |
| Abstract | The use of power factor correction circuits (PFCC) in electronic ballasts over a wide range of operating conditions has been increasing. The stability of the PFCC over such broad operating regions is sometimes questionable. Therefore, it is important to measure the relative stability of the PFCC to insure proper operation. To determine the relative stability of a PFCC, a method is developed to measure the phase margin of the open loop circuit. By using a properly placed transformer, a small signal can be injected into the control loop. The phase margin can then be determined from voltages measured at the terminal of the transformer. The phase margin for a typical circuit is measured over a wide range of operating conditions. Results of these measurements are compared to calculated phase margins based on linearized models of the system. The comparison shows similar results but with enough differences to justify the need to determine the phase margin experimentally. |
| Starting Page | 1084 |
| Ending Page | 1088 |
| File Size | 308339 |
| Page Count | 5 |
| File Format | |
| ISBN | 0780374207 |
| ISSN | 01972618 |
| DOI | 10.1109/IAS.2002.1042693 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-10-13 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Linear systems Reactive power Power measurement Phase measurement Electronic ballasts Transfer functions Voltage Power factor correction Circuit stability Power system modeling |
| Content Type | Text |
| Resource Type | Article |
| Subject | Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering |
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