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Publication Title | UnitedStatesPatent Gilbreth et al. AUTOMATIC TURBOGENERATOR RESTARTING METHOD AND SYSTEM

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(12)UnitedStatesPatent Gilbreth et al.

(54) AUTOMATIC TURBOGENERATOR RESTARTING METHOD AND SYSTEM

(10)mm N0.: US6,552,440B2 (45) Date of Patent: Apr. 22, 2003

_ (73) Asslgneei

* _ () Notlcel

’ ’ Calabasas, CAGE); Joe] B- Wacknov, Thousand Oaks> CA(US)

__ Capstone TlllrbllleCOFPOFatIOII,

Chatsworth, CA (US) ____

5119199119 any dlsclalmer?heterm Ofthls patent is eXtended or adjusted under 35 U.S.C. 154(1)) by 0 days.

5,886,504 A * 3/1999 866116161. .................. 322/15 5,903,116 A * 5/1999 G615 6161. .. 318/140 6,020,713 A * 2/2000 G615 6161. .. 318/139 6,023,135 A * 2/2000 Gilbreth 6161. .............. 290/27

(21) App1_N0_;09/900,246 _

(22) P119911 Jul- 6, 2001

8/2001 Gilbreth 6161. 8/2001 Edelman et al. 9/2001 Skowronski

123/3 . 307/29 290/7 166/53 290/52

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(65) PmrPubhcatlonData

Us 2002/0074804 A1 ]un_ 20’ 2002 Related US. Application Data

(62) DivisionofapplicationNo.09/444,487,?ledonNov.19, 1999, now P61. NO. 6,281,596.

6,325,142 B1 * 12/2001 Bosley et al.

6,355,987 B1 * 3/2002 BiXel ..

(51) (52)

(58)

(56)

* cued by examlner

.

2001/0052704 A1 * 12/2001 Bosley 6t 61. .. 2002/0005643 A1 * 1/2002 Gilbreth6161.

2002/0030364 A1 * 3/2002 Bosley e161- -- 2002/0089234 A1 * 7/2002 Gilberth6161. ..............307/80

Int. c1.7 .. H02P 9/00 US.Cl...290/52;290/7;322/37; PrimaryExaminer—NicholasPonomarenko

322/28 FieldofSearch ..290/41,7,52, 290/40 C; 322/27, 28, 37; 318/139, 140

References Cited U,S, PATENT DOCUMENTS

(74) Attorney, Agent, or Firm—Paul D. Chancellor; Sterne, Kessler, Goldstein & Fox PLLC

(57) ABSTRACT

A methodandsystemtoautomaticallyrestartapermanent

magnet turbogenerator/motor When a fatal fault is detected.

The automatic restart logic includes time constraints and

limitations on the number of iterations, and is useful regard 1fhththtttbt/t .esso W e. er epermanen magne ur ogeneraormo or

is in a grid connect mode or a standalone mode, and regardlessofhoW thefaultoriginatesorisdetected.Addi tional control logic is utilized to handle grid transients and over load conditions to prevent a fatal fault from occurring by using time constraints and an iterative process, together WithabrakeresistortocontrolDCbusvoltage.

2256938 A 2,427,462 A 2,603,756 A

2697174A 2:810:079 A 2,818,512 A 2,916,634 A 3,300,647 A 3,456,120A 3,526,778 A 3,678,284 A

9/1941 charbonneaux """"""" 290/30

9/1947 Kaelin .. 7/1952 Puttick

12/1954 s?vender

1O/1957 McFarland _

12/1957 McFarland _

12/1959 McFarland .. 290/30

1/1967 Gogiaeta1---290/30 7/1969Mamn~~ ~-290/31 9/1970 Crockeretal. 290/30

7/1972 Peters

.. 290/1

13 Claims, 6 Drawing Sheets

290

. 290/30 N 29060

290/4 _ 29050 _ 290/30

1166:mi Rldkd16-66.16

4,352,025 A 4,496,845 A 5,381,081 A

9/1982 Troyen .. 290/54 1/1985 Ensign6161. 290/43 1/1995 Radun . ...... 322/94

290/30R CA(US)i_mAonkeI‘IN-WaCl-l,AlTmhgourseanndOaks, 5,791,868A*8/1998WBCoIsSlIIelyaIeltCatl.8.1.........415/104

(75) IIIVGIIIOI‘SZMarkG.Gilbreth,W66d16ndHills,CA

5,561,330A *10/1996 ($199k--

US006552440B2

6,031,294 A * 2/2000 G615 6161. 6,093,975 A * 7/2000 P61166166 6,133,643 A * 10/2000 Lukich 6161. ..

290/40 R 290/40A 290/40A

6,169,334 B1 *

6,202,776 B1 *

6,265,786 B1 *

6,274,945 B1 *

6,281,596 B1 *

6,281,601 B1

6,294,842 B1

1/2001 EdelIIlaIl..................290/46 3/2001 Masberg 6161. . 180/65.2 7/2001 Bosleyetal...290/46 8/2001 Gilbreth 6161 ............... 290/47

6,410,992 B1 * 6/2002 Wall et al. ................... 290/52 2001/0030425A1*10/2001 Gilbreth6161...............290/52

Five urinal: "666M611 v mun "lemursSilk!I!161

16.61611616461.167 I

. 290/52 .290/52 290/7

Image | UnitedStatesPatent Gilbreth et al. AUTOMATIC TURBOGENERATOR RESTARTING METHOD AND SYSTEM



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