Multilevel converters for power system applications

Conference · Fri Sep 01 04:00:00 EDT 1995

OSTI ID:106553

Lai, J S; Stovall, J P ^[1]; Peng, F Z ^[2]

---

1. Oak Ridge National Lab., TN (United States)
2. Univ. of Tennessee, Knoxville, TN (United States)

Multilevel converters are emerging as a new breed of power converter options for power system applications. These converters are most suitable for high voltage high power applications because they connect devices in series without the need for component matching. One of the major limitations of the multilevel converters is the voltage unbalance between different levels. To avoid voltage unbalance between different levels, several techniques have been proposed for different applications. Excluding magnetic-coupled converters, this paper introduces three multilevel voltage source converters: (1) diode-clamp, (2) flying-capacitors, and (3) cascaded inverters with separate dc sources. The operation principle, features, constraints, and potential applications of these converters will be discussed.

• Research Organization: Oak Ridge National Lab., TN (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 106553
• Report Number(s): CONF-9509212--1; ON: DE95017388
• Country of Publication: United States
• Language: English

Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
AC SYSTEMS
INTERCONNECTED POWER SYSTEMS
POWER CONDITIONING CIRCUITS
POWER FACTOR
POWER SUPPLIES