WO2007117449A4 - Polyphase power conditioning circuits - Google Patents
Polyphase power conditioning circuits Download PDFInfo
- Publication number
- WO2007117449A4 WO2007117449A4 PCT/US2007/008286 US2007008286W WO2007117449A4 WO 2007117449 A4 WO2007117449 A4 WO 2007117449A4 US 2007008286 W US2007008286 W US 2007008286W WO 2007117449 A4 WO2007117449 A4 WO 2007117449A4
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- inductors
- conditioning circuit
- additional
- conductors
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Amplifiers (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
A polyphase power conditioning circuit for conditioning power supplied by a power source at a nominal frequency over line, neutral and ground conductors for each of a number of phases includes first, second and third impedances coupled to the line, neutral and ground conductors, respectively, and to output lines for each phase. Each of the impedances prevents power at frequencies greater than the nominal frequency from reaching the output lines.
Claims
1. A power conditioning circuit for conditioning power supplied by a power source over conductors in a polyphase system, comprising: first and second phase input conductors; and first and second inductors connected in series between the first and second phase input conductors and first and second phase output lines, wherein all of the power flowing between the first and second phase input conductors and the first and second phase output lines flows through the first and second inductors.
2. The power conditioning circuit of claim 1, including a metal oxide varistor connected across the first phase input conductor and a ground conductor.
3. The power conditioning circuit of claim 1, including a metal oxide varistor connected across the first phase output line and the ground conductor.
4. The power conditioning circuit of claim 1, including a third inductor connected between a neutral input conductor and a neutral output line.
5. The power conditioning circuit of claim 1, wherein inductance values of the first and second inductors are equal.
6. A power conditioning circuit for conditioning power supplied by a power source over conductors in a polyphase system, comprising: first, second, and third inductors coupled in series between first, second and third phase line conductors of the power source, and corresponding first, second, and third output line conductors, respectively, wherein all of the power flowing between the power source and the first, second and third output lines flows through the first, second and third inductors, each of the first, second and third inductors blocking power at frequencies greater than the nominal frequency from passing therethrough; and fourth and fifth inductors coupled in series between neutral and ground conductors of the power source, respectively, and neutral and ground output lines, respectively, wherein all of the power flowing between the power source and the neutral and ground output lines flows through the fourth and fifth inductors, each of the fourth and fifth inductors blocking power at frequencies greater than the nominal frequency from passing therethrough.
7. The power conditioning circuit of claim 6, further including sixth and seventh inductors coupled in series between first and second additional neutral conductors of the power source and first and second additional neutral output lines, wherein all of the power flowing between the first and second additional neutral conductors of the power source and the first and second additional neutral output lines flows through the sixth and seventh inductors, each of the sixth and seventh inductors blocking power at frequencies greater than the nominal frequency from passing therethrough.
8. The power conditioning circuit of claim 6, further including eighth and ninth inductors coupled in series between first and second additional ground conductors of the power source and first and second additional ground output lines, wherein all of the power flowing between the first and second additional ground conductors of the power source and the first and second additional ground output lines flows through the eighth and ninth inductors, each of the eighth and ninth inductors blocking power at frequencies greater than the nominal frequency from passing therethrough.
9. The power conditioning circuit of claim 6, wherein the inductors have different inductance values.
10. The power conditioning circuit of claim 6, wherein the inductors have inductance values ranging from 0.2mH to 2.OmH.
1 1. The power conditioning circuit of claim 6, further including means for limiting voltages across the line, neutral and ground conductors of each phase.
12. The power conditioning circuit of claim 11, wherein the limiting means comprises a silicon avalanche diode and a metal oxide varistor coupled in parallel relationship.
13. The power conditioning circuit of claim 6, further including an additional means for limiting voltage across the neutral and ground conductors at a point between the inductors and the output lines.
14. The power conditioning circuit of claim 13, wherein the additional limiting means comprises two silicon controlled rectifiers (SCRs) connected in anti- parallel relationship.
15. The power conditioning circuit of claim 13, wherein the additional limiting means comprises two zener diodes connected in anti-parallel relationship.
16. The power conditioning circuit of claim 13, wherein the additional limiting means comprises a metal oxide varistor.
17. The power conditioning circuit of claim 13, wherein the additional limiting means comprises a silicon avalanche diode.
18. The power conditioning circuit of claim 13, wherein the additional limiting means comprises a double wound inductor.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009503089A JP2009533012A (en) | 2006-03-31 | 2007-04-02 | Multiphase power regulation circuit |
| AU2007235535A AU2007235535B2 (en) | 2006-03-31 | 2007-04-02 | Polyphase power conditioning circuits |
| EP07754755.2A EP2005551A4 (en) | 2006-03-31 | 2007-04-02 | Polyphase power conditioning circuits |
| CA002647813A CA2647813A1 (en) | 2006-03-31 | 2007-04-02 | Polyphase power conditioning circuits |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78832206P | 2006-03-31 | 2006-03-31 | |
| US60/788,322 | 2006-03-31 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| WO2007117449A2 WO2007117449A2 (en) | 2007-10-18 |
| WO2007117449A3 WO2007117449A3 (en) | 2008-04-24 |
| WO2007117449A8 WO2007117449A8 (en) | 2008-12-11 |
| WO2007117449A4 true WO2007117449A4 (en) | 2009-02-12 |
Family
ID=38581577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2007/008286 WO2007117449A2 (en) | 2006-03-31 | 2007-04-02 | Polyphase power conditioning circuits |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2005551A4 (en) |
| JP (1) | JP2009533012A (en) |
| AU (1) | AU2007235535B2 (en) |
| CA (1) | CA2647813A1 (en) |
| WO (1) | WO2007117449A2 (en) |
| ZA (1) | ZA200808425B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8223468B2 (en) * | 2008-03-14 | 2012-07-17 | Leveler Llc | Power conditioning circuit utilizing high oersted rating inductors |
| CN102904213B (en) * | 2012-10-24 | 2016-06-29 | 深圳市雷博斯科技有限公司 | A kind of lightning protection structure of transformator counterattack shunting |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6142130A (en) * | 1995-12-13 | 2000-11-07 | Ward; Michael A. V. | Low inductance high energy inductive ignition system |
| US6288917B1 (en) * | 1998-01-20 | 2001-09-11 | Leveler | Three stage power conditioning circuit |
| US6166458A (en) * | 1998-01-20 | 2000-12-26 | Leveler | Power conditioning circuit |
| JP2001016777A (en) * | 1999-07-01 | 2001-01-19 | Showa Aircraft Ind Co Ltd | Noise filter for heating cart |
| US6624997B1 (en) * | 2000-08-04 | 2003-09-23 | Teal Electronics Corporation | Electrical power conditioner |
-
2007
- 2007-04-02 EP EP07754755.2A patent/EP2005551A4/en not_active Withdrawn
- 2007-04-02 AU AU2007235535A patent/AU2007235535B2/en not_active Ceased
- 2007-04-02 CA CA002647813A patent/CA2647813A1/en not_active Abandoned
- 2007-04-02 WO PCT/US2007/008286 patent/WO2007117449A2/en active Application Filing
- 2007-04-02 JP JP2009503089A patent/JP2009533012A/en active Pending
-
2008
- 2008-10-02 ZA ZA200808425A patent/ZA200808425B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2007235535A1 (en) | 2007-10-18 |
| WO2007117449A2 (en) | 2007-10-18 |
| ZA200808425B (en) | 2009-06-24 |
| WO2007117449A8 (en) | 2008-12-11 |
| JP2009533012A (en) | 2009-09-10 |
| EP2005551A2 (en) | 2008-12-24 |
| AU2007235535B2 (en) | 2012-03-15 |
| WO2007117449A3 (en) | 2008-04-24 |
| CA2647813A1 (en) | 2007-10-18 |
| EP2005551A4 (en) | 2014-04-30 |
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