Global patent index - EP 1019998 A1

EP 1019998 A1 2000-07-19 - HARMONIC COMPENSATION APPARATUS AND METHODS

Title (en)

HARMONIC COMPENSATION APPARATUS AND METHODS

Title (de)

VERFAHREN UND VORRICHTUNG ZUR KOMPENSATION VON HARMONISCHEN

Title (fr)

APPAREIL ET PROCEDES DE COMPENSATION D'HARMONIQUES

Publication

EP 1019998 A1 (EN)

Application

EP 98929928 A

Priority

  • NZ 9800084 W
  • NZ 32809397 A
  • NZ 32969898 A

Abstract (en)

[origin: WO9857408A1] A parallel connected active harmonic compensator having a three level inverter (14) to provide the power stage for supplying or drawing current to or from a line of an AC power distribution system to compensate for harmonics drawn by a load (RL) supplied by the line. The active harmonic compensator compensates for one or more harmonic components by deriving a control signal which is substantially devoid of the relevant harmonic components, generates predetermined boundaries relative to the control signal and used the boundaries to control the inverter switches (14) to supply or draw current to or from the line to remove the relevant harmonic components.

IPC 1-7 (main, further and additional classification)

H02J 3/01

IPC 8 full level (invention and additional information)

H02J 3/01 (2006.01)

CPC (invention and additional information)

H02J 3/01 (2013.01); Y02E 40/40 (2013.01)

Citation (search report)

See references of WO 9857408A1

Designated contracting state (EPC)

DE ES FR GB IT

EPO simple patent family

WO 9857408 A1 19981217; AU 730334 B2 20010301; AU 7943498 A 19981230; EP 1019998 A1 20000719; IL 133468 D0 20010430

INPADOC legal status

2003-07-30 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030103

2000-07-19 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000111

2000-07-19 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE ES FR GB IT