.
`
`United States Patent [19]
`Miyazaki et al.
`
`US005297015A
`
`[11] Patent Number:
`[45] Date of Patent:
`
`5,297,015
`Mar. 22, 1994
`
`[54] POWER SUPPLY CONTROL SYSTEM
`.
`_
`_
`_
`[75] Inventors lildgkrMlymkla Iku0_Ym18t9;
`Kemchl Onda, all of ?ltachl, Japan;
`Yasuo Matsllda, Eastchester, N.Y.;
`Yuzo Morita, Hitachi, Japan;
`Hidefumi Shirahama, Hitachi, Japan;
`Norikazu Tokunaga, Hitachi, Japan;
`Ylltlka Suzuki, Hitachi, Japan
`73 Assi Ce: Hitachi Ltd. Tok 0, Ja n
`[
`]
`gn
`’
`’
`y
`pa
`[21] APPl- N0“ 5552025
`[22] Filed;
`Jul. 20, 1990
`
`_
`_
`,
`_
`_
`Foreign Apphcation Pnonty Data
`[30]
`Jul. 21, 1989 [JP]
`Japan
`............. .. 1-187356
`Aug. 11, 1989 [JP]
`Japan
`............. .. 1-206804
`Mar. 14, 1990 [JP]
`Japan ................................ .. 2063805
`
`0189918 8/1986 European Pat. on. .
`0301679 2/ 1989 European Pat. Off. .
`2800472 7/1978 Fed. Rep. of Germany .
`3528659 2/1987 Fed. Rep. of Germany .
`3637669 5/1988 Fed. Rep. of Germany .
`
`OTHER PUBLICATIONS
`M. Weber, “Starkstromtechnik in modern Gross
`bauten”, VIDE. Fachberichte, . vol. 27, 1972, pp.
`121-125
`P. Sood et al., “Power Conversion Distribution System
`Using a High-Frequency AC Lin ”, LEEE. T ransac
`tions on Industry Applications, vol. 24, No. 2, Apr/May
`
`1988, pp. 288-299.
`1 T V 1
`E
`P"
`Ex
`'mary aminer— manue . 0e tz
`-
`-
`__
`glaze)" Agent’ 0' Fm" Anmnen" Terry’ 5mm 8‘
`
`[56]
`
`References Cited
`U-S' PATENT DOCUMENTS
`2,085,639 6/1937 Cowan .............................. .. 307/149
`2,297,188 9/1942 Joyce ................................ .. 307/149
`;V9t°d_5 -
`315/291
`4,668,876 5/1987 Skarman .
`307/147
`4,689,493 8/1987 Nozick et a1.
`4,875,152 10/1989 Foster ................... .. 363/146
`4,915,639 4/1990 COl'm et a1. ................... .. 439/488 x
`
`,
`
`,
`
`p1 er1 ............................... ..
`
`-
`
`-
`
`-
`
`-
`
`-
`
`CT
`ABS
`[57]
`[51] Int. C1.5 ................. .. H02M 7/537; HOZM 7/155;
`30111 25/00 A power supply control system including a variable
`[52] US. Cl. .................................. .. 363/146; 307/151;
`power converter for converting electric power from a
`315/291; 439/489; 439/679
`power supply to a load into that of a speci?cation re
`[58] Field of Search .............. .. 307/149, 151; 363/146;
`quired by the load in response to a power speci?cation
`315/291, DIG. 5, DIG. 7; 439/346, 488, 489,
`information source provided on the load side. With a
`679
`change in the load, the information source also changes,
`thereby providing a. flexible power supply control sys
`tem capable of meetmg dlfferent loads. For applications
`to a high power supply, the system comprises a plurality
`of variable power converters adapted to operate selec
`tively in accordance with requisite power information
`sources provided in or on the side of a plurality of loads,
`therelby lp‘rovidlnlgl atisysteim repllzmg a flexible 1pow}?
`supp 3" 0’ a,” ‘Ca 1°“ ° a, °“’ PM" sup? y’ _ e
`System comp?ses a Plus having a Power specl?c?tlon
`information source and a Socket having a variable
`power converter.
`
`FOREIGN PATENT DOCUMENTS
`0151340 8/1985 European Pat. Off. .
`
`27 Claims, 33 Drawing Sheets
`mll?llll we“
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`SFECFICATION
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`Apple 1013 - Page 1
`
`

`
`Apple 1013 - Page 2
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 2 of 33
`
`5,297,015
`
`FIG.‘ 2
`
`[28
`
`3o 50 5b
`
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`5c 5d 3b
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`Apple 1013 - Page 3
`
`

`
`Apple 1013 - Page 4
`
`

`
`Apple 1013 - Page 5
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 5 of 33
`
`5,297,015
`
`FIG. 4A
`
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`Apple 1013 - Page 6
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 6 of 33
`
`5,297,015
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`Apple 1013 - Page 7
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 7 of 33
`
`5,297,015
`
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`Apple 1013 - Page 8
`
`

`
`Apple 1013 - Page 9
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 9 of 33
`
`5,297,015
`
`FIG. 8
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`POWER
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`FIG. 9
`{30-2
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`POWER
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`371
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`POWER CONVERSION
`CONTROL CIRCUIT
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`
`Apple 1013 - Page 10
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 10 of 33
`
`5,297,015
`
`FIG. IO
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`Apple 1013 - Page 11
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 11 of 33
`
`5,297,015
`
`FIG. I2
`23
`
`50-5
`
`‘POWER CONVERSION '
`CONTROL CIRCUIT
`
`FIG. l3
`20
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`30-4
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`POWER CONVERSION
`CONTROL CIRCUIT
`
`Apple 1013 - Page 12
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`

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`Apple 1013 - Page 13
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`

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`Apple 1013 - Page 14
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`

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`Apple 1013 - Page 15
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`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 15 of 33
`
`5,297,015
`
`FIG. I8
`
`,42a
`43b. 43
`430
`PC PC
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`CL80
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`Q.
`
`Apple 1013 - Page 16
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`Sheet 16 of 33
`
`5,297,015
`
`FIG. I9
`
`Z459
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`FIG.2OA
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`DEVIATION FROM
`(PTIMUM VALUE
`
`Apple 1013 - Page 17
`
`

`
`U.S. Patent
`
`Mar. 22, 1994
`
`Sheet 17 of 33
`
`5,297,015
`
`MAIN CIRCUIT
`OF POWER
`_ CONVERTER
`
`Y
`
`CONTROL
`CIRCUIT
`
`.
`
`FIG . 22A
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`[51
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`FIG. 22B
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`Apple 1013 - Page 18
`
`

`
`Apple 1013 - Page 19
`
`

`
`US. Patent
`
`Mar. 22, 1994
`
`_
`
`Sheet 19 of 33
`
`5,297,015
`
`FIG. 24
`
`.
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`5O
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`POWER SUPPLY
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`ooNvERsm MEANS CONTROL
`
`‘
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`CONTROL
`MEANS
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`56
`57
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`SPECIFICATION
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`FIG. 2 5
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`POWER SUPPLY
`{52'
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`convsnsm MEANSW MEANS
`SIGNAL
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`56
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`SPECIFICATION
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`Apple 1013 - Page 20
`
`

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`Apple 1013 - Page 21
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`

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`Apple 1013 - Page 22
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`

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`Apple 1013 - Page 23
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`

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`Apple 1013 - Page 24
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`

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`Apple 1013 - Page 25
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`

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`Apple 1013 - Page 26
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`

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`Apple 1013 - Page 27
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`

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`Apple 1013 - Page 28
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`

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`Apple 1013 - Page 29
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`

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`Apple 1013 - Page 30
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`

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`Apple 1013 - Page 31
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`

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`Apple 1013 - Page 32
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`Apple 1013 - Page 33
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`

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`Apple 1013 - Page 34
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`

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`Apple 1013 - Page 35
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`Apple 1013 - Page 36
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`

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`Apple 1013 - Page 37
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`

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`Apple 1013 - Page 38
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`Apple 1013 - Page 39
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`Apple 1013 - Page 40
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`Apple 1013 - Page 41
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`Apple 1013 - Page 42
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`Apple 1013 - Page 43
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`Apple 1013 - Page 44
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`Apple 1013 - Page 45
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`Apple 1013 - Page 46
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`Apple 1013 - Page 47
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`Apple 1013 - Page 48