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Power factor and power control of the boost rectifier and the chopper controlled rectifier

Technical Report:

Abstract

A power factor analysis of the input part of an advanced AC/DC/AC converter for variable speed wind turbines is presented. Two types of rectifying input converters are compared: the boost rectifier, consisting of three AC inductors, a three-phase diode bridge and a switching element to obtain voltage boost chopper behavior; and a conventional diode bridge rectifier, followed by a voltage boost chopper. Most of the analysis is focused on the boost rectifier analysis, of which the power factor and the distortion factor are derived. It follows that for a synchronous generator without damper windings, the boost rectifier seems a good solution for both a high power factor (maximally 0.955) and voltage (boost) control capability. For a synchronous generator with damper windings, however, the conventional diode bridge rectifier, followed by a voltage boost chopper, yields the best power factor. For the boost rectifier, an analytical expression for the chopper switch current demand as a function of the AC power demand and generator rotational speed is given. 13 figs., 1 tab., 1 app.
Publication Date:
Aug 01, 1992
Product Type:
Technical Report
Report Number:
ECN-C-92-054
Reference Number:
SCA: 170602; PA: ECN-92:0E0789; SN: 93000917861
Resource Relation:
Other Information: PBD: Aug 1992
Subject:
17 WIND ENERGY; HORIZONTAL AXIS TURBINES; ELECTRIC GENERATORS; RECTIFIERS; PERFORMANCE TESTING; STATORS; INDUCTANCE; POWER DEMAND; ANALYTICAL SOLUTION; TEST FACILITIES; EXPERIMENTAL DATA; ALTERNATORS; AC SYSTEMS; DIRECT CURRENT; ALTERNATING CURRENT; ELECTRIC COILS; 170602; TURBINE DESIGN AND OPERATION
OSTI ID:
10110591
Research Organizations:
Netherlands Energy Research Foundation (ECN), Petten (Netherlands)
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Other: ON: DE93752680; CNN: Contract CEC JOULE/JOUR-0082; Project ECN 4162; TRN: NL92E0789
Availability:
OSTI; NTIS (US Sales Only)
Submitting Site:
ECN
Size:
21 p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Veltman, A T, and De Haan, S W.H. Power factor and power control of the boost rectifier and the chopper controlled rectifier. Netherlands: N. p., 1992. Web.
Veltman, A T, & De Haan, S W.H. Power factor and power control of the boost rectifier and the chopper controlled rectifier. Netherlands.
Veltman, A T, and De Haan, S W.H. 1992. "Power factor and power control of the boost rectifier and the chopper controlled rectifier." Netherlands.
@misc{etde_10110591,
title = {Power factor and power control of the boost rectifier and the chopper controlled rectifier}
author = {Veltman, A T, and De Haan, S W.H.}
abstractNote = {A power factor analysis of the input part of an advanced AC/DC/AC converter for variable speed wind turbines is presented. Two types of rectifying input converters are compared: the boost rectifier, consisting of three AC inductors, a three-phase diode bridge and a switching element to obtain voltage boost chopper behavior; and a conventional diode bridge rectifier, followed by a voltage boost chopper. Most of the analysis is focused on the boost rectifier analysis, of which the power factor and the distortion factor are derived. It follows that for a synchronous generator without damper windings, the boost rectifier seems a good solution for both a high power factor (maximally 0.955) and voltage (boost) control capability. For a synchronous generator with damper windings, however, the conventional diode bridge rectifier, followed by a voltage boost chopper, yields the best power factor. For the boost rectifier, an analytical expression for the chopper switch current demand as a function of the AC power demand and generator rotational speed is given. 13 figs., 1 tab., 1 app.}
place = {Netherlands}
year = {1992}
month = {Aug}
}