EP0409226A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Power supply control system
Assignee: Hitachi Ltd
•
Filing: 1990-07-19
•
Granted: —
•
Expires: 2010-07-19
Abstract
Abstract A power supply control system including a variable power converter (5, 52) for converting electric power from a power supply (1) to a load (16, 55) into that of a specification demanded by the load in response to a power specification information source (15a, SP) provided on the load side. With a change in the load, the information source (35) also changed, thereby providing a flexible power supply control system capable of meeting different loads. For applications to a high power supply, the system comprises a plurality of variable power converters (5a to 5d) adapted to operate selectively in accordance with requisite power information sources provided in or on the side of a plurality of loads (16), thereby providing a system realizing a flexible power supply. For application to a low power supply, the system comprises a plug (54) having a power specification information source (85) and a socket (51) having a variable power converter (52).
Inventors
- 👤 Hideki Miyazaki
- 👤 Ikuo Yamato
- 👤 Kenichi Onda
- 👤 Yasuo Matsuda
- 👤 Yuzo Morita
- 👤 Hidefumi Shirahama
- 👤 Norikazu Tokunaga
- 👤 Yutaka Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 14:18
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/10; H01; H01R; H01R13/00; H01R13/64; H01R13/642; H01R13/66; H01R13/665; H01R13/6675; H01R29/00; H02J; H02J3/00; H02J4/00
Claims Analysis
Total Claims: 72
Claim 1
Independent Claim
131 words
A power supply control system interposed between at least one power supply (1, 50) and at least one load (16, 55) for transmitting electric power from the power supply or power supplies to the load or loads, respectively comprising: power conversion means (5a, 5d) for converting the electric power from a power supply variably into a desired specification of power; power specification information means (15a, SP) on the load side for supplying information on the power specification required by a load; control means (10a, 53) for controlling the conversion means in such a manner that the output of the conversion means satisfies the specification required by the load in response to the power specification information means; and means (6, 54) for supplying an output of the conversion means to the load:
Claim 2
Dependent Claim
131 words
A power supply control system interposed between at least one power supply (1, 50) and at least one load (16, 55) for transmitting electric power from the power supply or power supplies to the load or loads, respectively comprising: power conversion means (5a, 5d) for converting the electric power from a power supply variably into a desired specification of power; power specification information means (15a, SP) on the load side for supplying information on the power specification required by a load; control means (10a, 53) for controlling the conversion means in such a manner that the output of the conversion means satisfies the specification required by the load in response to the power specification information means; and means (6, 54) for supplying an output of the conversion means to the load:
Claim 3
Dependent Claim
88 words
A power supply control system comprising: at least one power supply (1); a plurality of power conversion means (5a to 5d) for converting the power from the power supply into different power specifications; required power information means (15a to 15c, 49a to 49h, 16M1 to 16M2) on the load side for supplying power specification information required by each load, and control means (6, 8, 9, 10a) for operating the conversion means selectively in response to the information means thereby to supply power in flexible manner to the load.
Claim 4
Dependent Claim
88 words
A power supply control system comprising: at least one power supply (1); a plurality of power conversion means (5a to 5d) for converting the power from the power supply into different power specifications; required power information means (15a to 15c, 49a to 49h, 16M1 to 16M2) on the load side for supplying power specification information required by each load, and control means (6, 8, 9, 10a) for operating the conversion means selectively in response to the information means thereby to supply power in flexible manner to the load.
Claim 5
Dependent Claim
43 words
A power supply system according to one of the preceding claims comprising means (6) for selectively connecting an output terminal of the power conversion means to at least one of said loads in accordance with a form of power required by the load.
Claim 6
Dependent Claim
68 words
A power supply system according to one of the preceding claims wherein the loads are classified into a plurality of load groups (30), and the power conversion means are classified into a plurality of groups (29) corresponding to the load groups respectively, each of said load groups and corresponding groups of power conversion means making up a power supply group, power being supplied within each power supply group.
Claim 7
Dependent Claim
39 words
A power supply system according to Claim 4, further comprising means (31) for changing the classification of the power conversion means corresponding to a load group when the form of power required by the particular load group is changed.
Claim 8
Dependent Claim
26 words
A power supply system according to one of the preceding claims, comprising a plurality of power storage means (2, 4) parallel to the power supply (1).
Claim 9
Dependent Claim
43 words
A power supply system according to Claim 6, wherein said power storage means (2, 4) are different in selected one of response speed and capacity, and are arranged dispersively in the system in accordance with selected one of the response speed and capacity.
Claim 10
Dependent Claim
27 words
A power supply system according to one of the preceding claims wherein the overall capacity of the power supply system is smaller than the overall load capacity.
Claim 11
Dependent Claim
51 words
A power supply system according to one of the preceding claims wherein each of said power conversion means has the function of transmitting and receiving the information required for operating the power conversion means, said system further comprising a communication channel (13, 14a) for exchanging information between the power conversion means.
Claim 12
Dependent Claim
36 words
A power supply according to one of the preceding claims wherein the form of power transmitted from the power supply to the power conversion means is capable of being set as desired by the power supply.
Claim 13
Dependent Claim
51 words
A power supply system according to one of the preceding claims wherein two types of electric power including AC and DC are supplied from the power supply, said system further comprising two types of transmission line for transmitting electric power including AC and DC to each of the power conversion means.
Claim 14
Dependent Claim
48 words
A power supply system according to one of the preceding claims wherein said power supply is divided into a plurality of power supplies (1b, 1c, 1d) of different characteristics, said system further comprising means for supplying the electric power of the power supplies to each power conversion means.
Claim 15
Dependent Claim
39 words
A power supply system according to Claim 12, further comprising means (13) for selecting a power supply in accordance with selected one of the condition of each of the power supplies and the requirement of each power conversion means.
Claim 16
Dependent Claim
38 words
A power supply system according to one of the preceding claims wherein a superconducting wire (11) is used as a transmission line for transmitting the electric power from the power supply to each of said power conversion means.
Claim 17
Dependent Claim
27 words
A power supply system according to one of the preceding claims wherein said power supply makes up selected one of a voltage source and a current source.
Claim 18
Dependent Claim
59 words
A power supply system according to one of the preceding claims comprising a rectifier circuit (3a) interposed between the power supply and each of the power conversion means, said rectifier circuit being configured of selected one of a diode device, a thyristor device and a self-quenching device for supplying a direct current to each of said power conversion means.
Claim 19
Dependent Claim
64 words
A power supply system according to Claim 16, wherein each of said power conversion means includes an inverter circuit (20) for converting the DC power into a high-frequency AC power, a frequency changing circuit (23) for converting the high-frequency AC power into the electric power of a given frequency, and a transformer (22) for insulating the power supply and the loads from each other.
Claim 20
Dependent Claim
41 words
A power supply system according to one of the preceding claims comprising a high-frequency AC generation circuit (3a) interposed between the power supply and the power conversion means, each of said power conversion means being supplied with a high-frequency AC power.
Claim 21
Dependent Claim
24 words
A power supply system according to Claim 18, wherein said high-frequency generation circuit includes selected one of an inverter circuit and a resonance circuit.
Claim 22
Dependent Claim
49 words
A power supply system according to Claim 19, wherein each of said power conversion means includes a frequency changing circuit (23) for changing the high-frequency AC power into the power of a given frequency and a transformer (22) for insulating the power supply and the loads from each other.
Claim 23
Dependent Claim
31 words
A power supply system according to one of the preceding claims, comprising an AC-DC superimposed wave generation circuit (3a) interposed between the power supply and each of the power conversion means.
Claim 24
Dependent Claim
38 words
A power supply system according to Claim 21, wherein the AC-DC superimposed wave generation circuit includes a DC voltage generation circuit (40b) and an AC voltage generation circuit (40a) connected in selected one of series and parallel fashions.
Claim 25
Dependent Claim
45 words
A power supply system according to one of the preceding claims, wherein the power conversion means has attached thereto a function (20, 22, 23, 27) of changing the form of power supplied to the load in accordance with the power form required of the loads.
Claim 26
Dependent Claim
81 words
A power supply system according to one of the preceding claims, comprising a detector (15) for detecting the indoor environment including sunlight, wind, temperature, humidity and the presence of a person, and decision means (10c) for deciding on the indoor environment on the basis of the result of detection by the detector, wherein each load for regulating the indoor environment on the basis of the result of decision has attached thereto a function (10e) of regulating the electric power supplied thereto.
Claim 27
Dependent Claim
23 words
A power supply system according to Claim 24, wherein said load for regulating the indoor environment includes an air-conditioner and an illuminator (16).
Claim 28
Dependent Claim
62 words
A power supply system according to one of the preceding claims comprising a transmitter/receiver and a communication channel (13) for transmitting the information required for the operation of each of the power conversion means thereto, and a plurality of detectors (15) dispersively arranged on the communication channel for producing the information required for the operation of each of the power conversion means.
Claim 29
Dependent Claim
112 words
A power supply means with a plurality of power supplies (1) according to one of the preceding claims comprising a communication channel (13) for transmitting the information required for the operation of the power conversion means from selected one of the power supplies and the loads, said power supplies being supplied with the information on the operating conditions of the power conversion means, and encoding means for preparing a code for identifying each of the power conversion means, each of the power supplies and each of the loads, each of the power conversion means and each of the power supplies including means (48a) for storing the codes prepared by the encoding means.
Claim 30
Dependent Claim
63 words
A power supply system according to Claim 27, further comprising managing means (47a) for preparing a code on the communication channel for identifying each of the power conversion means, each of the power supplies and each of the loads, said code being managed by being stored in the memory means in each of the power conversion means and each of the power supplies.
Claim 31
Dependent Claim
123 words
A power supply system with a plurality of power supplies (1) according to one of the preceding claims, further comprising managing means (9) including means for discriminating important loads affected even by an instantaneous power failure from general loads not affected by an instantaneous power failure, means for comparing the total load capacity and the total power capacity with each other, and means for stopping the power supply to the general loads, said managing means having a function of issuing an instruction to each of the power conversion means to stop power supply to the whole or part of the general loads and supply electric power to the important loads in the case where the total load capacity exceeds the total power capacity.
Claim 32
Dependent Claim
32 words
A power supply system with a plurality of power supplies (1) according to one of the preceding claims further comprising means (9) for reserving the operating time for each power conversion means.
Claim 33
Dependent Claim
85 words
A power supply system comprising a plurality of power supplies (1) according to one of the preceding claims, wherein in the case where a plurality of the power conversion means are operated in selected one of parallel and series arrangements for supplying power to a single load, one of the power conversion means is operated at less than 100 % of the output power capacity thereof and the remaining power conversion means at selected one of 0% and 100% of the output power capacity thereof.
Claim 34
Dependent Claim
185 words
A building power supply system, comprising power receiving means for receiving a commercial electric power, power transmission means for supplying the power received by the receiving means to a plurality of power conversion means installed on the floors of the building, and power distribution means for distributing the electric power from the power conversion means to loads, wherein said power receiving means include the functions of converting the commercial power into a power specification taking the transmission efficiency into consideration, storing and recovering part of the received power as required and generating electric power separately from the commercial power, said power transmission means including the function of transmitting the power of each of a plurality of specifications separately, said power conversion means including the functions of receiving the power specifi cations and converting the received power into specifications required of the loads, said power distribution means including means for transmitting a required power specification to each of the power conversion means in accordance with the load requirements and the functions of determining and controlling routes a feeding to the power conversion means and the loads.
Claim 35
Dependent Claim
185 words
A building power supply system, comprising power receiving means for receiving a commercial electric power, power transmission means for supplying the power received by the receiving means to a plurality of power conversion means installed on the floors of the building, and power distribution means for distributing the electric power from the power conversion means to loads, wherein said power receiving means include the functions of converting the commercial power into a power specification taking the transmission efficiency into consideration, storing and recovering part of the received power as required and generating electric power separately from the commercial power, said power transmission means including the function of transmitting the power of each of a plurality of specifications separately, said power conversion means including the functions of receiving the power specifi cations and converting the received power into specifications required of the loads, said power distribution means including means for transmitting a required power specification to each of the power conversion means in accordance with the load requirements and the functions of determining and controlling routes a feeding to the power conversion means and the loads.
Claim 36
Dependent Claim
89 words
A socket (51) with the power conversion function interposed between a power supply and a load (55) for transmitting electric power from the power supply to the load, said socket comprising means (52) for converting the power from the power supply into a power of a given specification, means (53) for controlling the conversion means in such a manner that the output of the conversion means may be of a specification desired by the load, and means (56) for supplying the output of the conversion means to the load.
Claim 37
Dependent Claim
89 words
A socket (51) with the power conversion function interposed between a power supply and a load (55) for transmitting electric power from the power supply to the load, said socket comprising means (52) for converting the power from the power supply into a power of a given specification, means (53) for controlling the conversion means in such a manner that the output of the conversion means may be of a specification desired by the load, and means (56) for supplying the output of the conversion means to the load.
Claim 38
Dependent Claim
40 words
A socket (51) with the power conversion function according to Claim 33, further comprising information transmission means (58) for encoding a specification desired by the load (55) and transmitting an encoded specification from the load to the control means (53).
Claim 39
Dependent Claim
44 words
A socket (51) with the power conversion function according to Claim 33, further comprising memory means (85) for storing a plurality of specifications desired by the load (55) and switch means (86, a, b, c) for selecting a specification stored in the memory means.
Claim 40
Dependent Claim
30 words
A socket (51) with the power conversion function according to Claim 33, wherein the control means (53) has the function (60) of identifying a specification (61) desired by the load.
Claim 41
Dependent Claim
45 words
A socket (51) with the power conversion function according to Claim 34, wherein the information transmission means (58) receives a specification desired by the load through selected one of an exclusive input terminal (58, 60) and a plug (70) for supplying power to the load.
Claim 42
Dependent Claim
55 words
A socket (51) with the power conversion function according to Claim 34, further comprising first power supply means (87) for supplying electric power to signal output means (73) of a load and second power supply means (56) for applying an electric power corresponding to the encoded specification of the signal output means to the load.
Claim 43
Dependent Claim
28 words
A socket (51) with the power conversion function according to one of the claims 33 to 38, comprising means (62) for indicating the specification of the present output.
Claim 44
Dependent Claim
108 words
A socket (51) with the power conversion function interposed between a power supply and a load (55) for transmitting electric power from the power supply to the load, said socket comprising means (52) for converting the power from the power supply into the power of a given specification, identification means (60) having the function of reading a specification desired by the load and producing a setting, means (53) supplied with the setting for controlling the conversion means in such a manner that the output of the conversion means may be equal to the setting, and means (56) for applying the output of the conversion means to the load.
Claim 45
Dependent Claim
108 words
A socket (51) with the power conversion function interposed between a power supply and a load (55) for transmitting electric power from the power supply to the load, said socket comprising means (52) for converting the power from the power supply into the power of a given specification, identification means (60) having the function of reading a specification desired by the load and producing a setting, means (53) supplied with the setting for controlling the conversion means in such a manner that the output of the conversion means may be equal to the setting, and means (56) for applying the output of the conversion means to the load.
Claim 46
Dependent Claim
69 words
A socket (51) with the power conversion function according to Claim 40, further comprising a cover (75) formed of a material having an electric insulation characteristic for preventing the exposure of the connector between the conversion means and the load, wherein at least selected one of the conversion means, the control means and the identification means is integrated with the cover by a material having an electric insulation characteristic.
Claim 47
Dependent Claim
41 words
A socket (51) with the power conversion function according to Claim 41, further comprising a shield member (76) on selected one of the interior and exterior surfaces of the cover for preventing selected one of release and intrusion of electromagnetic noises.
Claim 48
Dependent Claim
56 words
A socket (51) with the power conversion function according to one of claims 33 to 42, comprising means (52) for converting selected one of a source voltage, a current and a frequency into a given value desired by a load, and power supply means (56) for supplying the output of the conversion means to the load.
Claim 49
Dependent Claim
35 words
A socket (51) with the power conversion function according to one of claims 33 to 43, comprising insulating means (66) for insulating the power from a power supply, which power is transmitted to a load.
Claim 50
Dependent Claim
44 words
A socket (51) with the power conversion function according to one of claims 33 to 44, comprising transformer means (66) and a converter (65, 67) for changing the frequency at least one selected one of the primary and secondary sides of the transformer means.
Claim 51
Dependent Claim
47 words
A socket (51) with the power conversion function according to one of claims 33 to 45, comprising means (63, 64) for rectifying a voltage received from a power supply into a DC voltage and means for converting the DC voltage into a power desired by a load.
Claim 52
Dependent Claim
71 words
A socket (51) with the power conversion function according to one of claims 33 to 46, comprising conversion means (52) including at least rectifier means (63), smoothing means (64-1), frequency changing means (65) and transformer means (66), the socket further comprising means (69) for detecting an output and means (53) for controlling the conversion means in accordance with setting of the output and the result of detection by the detection means.
Claim 53
Dependent Claim
38 words
A socket (51) with the power conversion function according to one of claims 33 to 47, comprising means (111) for reading a signal from a load normally and means (114) for starting to supply power to the load.
Claim 54
Dependent Claim
32 words
A socket (51) with the power conversion function according to Claim 31, comprising the function of receiving a signal for commanding selected one of supply and interruption of power to the load.
Claim 55
Dependent Claim
31 words
A socket (51) with the power conversion function according to Claim 48, comprising the function of receiving a signal for commanding a maximum value of the current supplied to the load.
Claim 56
Dependent Claim
49 words
A socket (51) with the power conversion function according to one of claims 33 to 50, comprising an input terminal for receiving a power supply, said socket having the function of causing a power supply to receive and interrupt the power by selected one of mechanical contact and separation.
Claim 57
Dependent Claim
41 words
A plug with the information transmission function connected to a socket (51) interposed between a power supply and a load (66), said plug comprising a terminal connected to a power output terminal of the socket, said terminal having an encoded information.
Claim 58
Dependent Claim
41 words
A plug with the information transmission function connected to a socket (51) interposed between a power supply and a load (66), said plug comprising a terminal connected to a power output terminal of the socket, said terminal having an encoded information.
Claim 59
Dependent Claim
42 words
A plug with the information transmission function according to Claim 52, wherein said encoded information is provided in the form of selected one of a protrusion (70) from the surface of the terminal and a recess in the surface of the terminal.
Claim 60
Dependent Claim
24 words
A plug with the information transmission function according to Claim 53, wherein the encoded information (70) is indicated on the surface of the terminal.
Claim 61
Dependent Claim
39 words
A plug with the information transmission function connected to a socket (51) interposed between a power supply and a load (66), said plug comprising a terminal (57) for receiving electric power and a terminal (72) for producing a signal.
Claim 62
Dependent Claim
39 words
A plug with the information transmission function connected to a socket (51) interposed between a power supply and a load (66), said plug comprising a terminal (57) for receiving electric power and a terminal (72) for producing a signal.
Claim 63
Dependent Claim
79 words
A plug (54) with the information transmission function connected to a socket interposed between a power supply and a load (55), said plug comprising signal output means (73) for transmitting a power specification desired by the load to the socket, first power receiving/supplying means (87) for receiving from the socket and supplying the power for driving the signal output means, and second power receiving/supplying means (57) for receiving from the socket and supplying the power for driving the load.
Claim 64
Dependent Claim
79 words
A plug (54) with the information transmission function connected to a socket interposed between a power supply and a load (55), said plug comprising signal output means (73) for transmitting a power specification desired by the load to the socket, first power receiving/supplying means (87) for receiving from the socket and supplying the power for driving the signal output means, and second power receiving/supplying means (57) for receiving from the socket and supplying the power for driving the load.
Claim 65
Dependent Claim
47 words
A power feeding system for supplying electric power from a power supply to a load, comprising a socket (51-1, 51-2) interposed between the power supply and the load for supplying electric power of different specifications from the power supply to a plurality of loads (55-1, 55-2, 55-3).
Claim 66
Dependent Claim
47 words
A power feeding system for supplying electric power from a power supply to a load, comprising a socket (51-1, 51-2) interposed between the power supply and the load for supplying electric power of different specifications from the power supply to a plurality of loads (55-1, 55-2, 55-3).
Claim 67
Dependent Claim
50 words
A power feeding system comprising a power supply fluctuating in the power specification, means for supplying electric power from the power supply to a load, and a socket (51) with the power conversion function interposed between the power supply and the load for supplying stable electric power to the load.
Claim 68
Dependent Claim
50 words
A power feeding system comprising a power supply fluctuating in the power specification, means for supplying electric power from the power supply to a load, and a socket (51) with the power conversion function interposed between the power supply and the load for supplying stable electric power to the load.
Claim 69
Dependent Claim
77 words
A control system for a load receiving electric power from a commercial power supply, comprising a socket (51) with the power conversion function interposed between the commercial power supply and the load, said socket also having the functions of changing the specification of the electric power supplied to the load and interrupting the electric power on the basis of a signal (74, 81) received from an external source thereby to control the power feeding to the load.
Claim 70
Dependent Claim
77 words
A control system for a load receiving electric power from a commercial power supply, comprising a socket (51) with the power conversion function interposed between the commercial power supply and the load, said socket also having the functions of changing the specification of the electric power supplied to the load and interrupting the electric power on the basis of a signal (74, 81) received from an external source thereby to control the power feeding to the load.
Claim 71
Dependent Claim
84 words
A control system for a load supplied with electric power from a power supply fluctuating in the power specification comprising a socket (51) having function means (3) of converting the power changing a specification of the output power and interrupting the electric power in response to a signal (74, 81) received from an external source, wherein the socket having the power conversion function is controlled on the basis of a signal from an external source thereby to control the power feeding to the load.
Claim 72
Dependent Claim
84 words
A control system for a load supplied with electric power from a power supply fluctuating in the power specification comprising a socket (51) having function means (3) of converting the power changing a specification of the output power and interrupting the electric power in response to a signal (74, 81) received from an external source, wherein the socket having the power conversion function is controlled on the basis of a signal from an external source thereby to control the power feeding to the load.
References Cited (Backward Citations)
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