LINE SWITCHING SYSTEM

• US 20140125136A1
• Filed: 04/25/2013
• Published: 05/08/2014
• Est. Priority Date: 04/27/2012
• Status: Active Grant

• Current Assignee: Panasonic Intellectual Property Management Co., Ltd. (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Toya, Shoichi, Ito, Motoshi
• Granted Patent: US 10,158,226 B2
• Time in Patent Office: Days
• US Class Current: 307/80
• CPC Class Codes: G06F 3/0484 for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
• CPC Class Codes: H02J 13/00001 characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
• CPC Class Codes: H02J 2203/20 Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
• CPC Class Codes: H02J 2300/24 of photovoltaic origin
• CPC Class Codes: H02J 3/007 Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing uninterruptable power supply H02J9/00
• CPC Class Codes: H02J 3/381 Dispersed generators
• CPC Class Codes: Y02E 10/56 Power conversion systems, e.g. maximum power point trackers
• CPC Class Codes: Y02E 40/70 Smart grids as climate change mitigation technology in the energy generation sector
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y04S 10/123 the energy generation units being or involving renewable energy sources
• CPC Class Codes: Y04S 10/40 Display of information, e.g. of data or controls
• CPC Class Codes: Y04S 40/20 Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Abstract

A line switching system is a line switching system which switches line of a power supply system including: a plurality of PV panels which generate power using renewable energy; at least one PCS which conditions supplied power to output the conditioned power to a power system; and a first switch which connects any one of the PV panels and the PCS, wherein the line switching system includes a display device which displays an image corresponding to the power supply system and receives an operation on the image from the user, and a control unit which is configured to switch between conduction and non-conduction between a plurality of PV panels and the PCS by controlling the first switch according to the operation received by the display device.

Claims

1. A line switching system which is connected to a power supply system which includes:

a power generation system which generates power using renewable energy;

a power conditioner apparatus which conditions power supplied from the power generation system; and

a first switch which switches between conduction and non-conduction between the power generation system and the power conditioner apparatus, the line switching system comprising;

a display device which displays an image indicating the power supply system and displays at least a first icon indicating the power generation system and a second icon indicating the power conditioner apparatus in the image; and

a control unit configured to switch between conduction and non-conduction between the power generation system and the power conditioner apparatus by switching the first switch according to an operation the first icon and the second icon displayed by the display device.

3. The line switching system according to claim 1,

wherein the display device includes a touch panel, and

the touch panel displays at least the first icon and the second icon, and receives the operation on the first icon and the second icon.

4. The line switching system according to claim 1,

wherein the control unit is configured to select one of the power generation systems to be connected to the power conditioner apparatus to have a rated capacity smaller than a rated capacity of the power conditioner apparatus.

5. The line switching system according to claim 4,

wherein the control unit is configured to inform the display device of an error message when the rated capacity of the power generation system to be connected to the power conditioner apparatus is greater than the rated capacity of the power conditioner apparatus.

6. The line switching system according to claim 1,

wherein the power supply system further includes a second switch which switches between conduction and non-conduction between a power system and the power conditioner apparatus, and

the control unit is further configured to switch between conduction and non-conduction between the power system and the power conditioner apparatus by controlling the second switch according to the operation received by the display device.

7. The line switching system according to claim 6,

wherein when the first switch and the second switch are to be placed in conduction, the control unit is configured to place the second switch in conduction and then place the first switch in conduction.

8. The line switching system according to claim 6,

wherein generated power of the power generation system connected via the first switch is supplied to the power conditioner apparatus, and power outputted from the power conditioner apparatus is supplied to the power system connected via the second switch.

9. The line switching system according to claim 6,

wherein the second switch switches between conduction and non-conduction between each of the power systems and the power conditioner apparatus, and

the control unit is configured to switch between conduction and non-conduction between the power system selected by the operation and the power conditioner apparatus by controlling the second switch according to the operation received by the display device.

10. The line switching system according to claim 9,

wherein the power supply system includes:

a plurality of power conditioner apparatuses which include the power conditioner apparatus, each of the power conditioner apparatuses corresponding to a different one of power generation systems including the power generation system;

a plurality of the second switches each of which switches between conduction and non-conduction between each of the power conditioner apparatuses and a corresponding one of the power systems; and

a plurality of third switches which are located between (i) a plurality of other power conditioner apparatuses other than the power conditioner apparatus among the power conditioner apparatuses and (ii) each of the power generation systems corresponding to each of the other power conditioner apparatuses, each of the third switches switching between conduction and non-conduction between the other power conditioner apparatus and a different one of the power generation systems,

wherein the display device displays an image which indicates the power supply system including the power generation systems, the power conditioner apparatuses, and the power systems, and receives an operation on the image from the user, and

the control unit is configured to switch between conduction and non-conduction between the power generation systems, the power conditioner apparatuses, and the power systems by controlling the first switch, the second switches, and the third switches according to the operation received by the display device.

11. The line switching system according to claim 9,

wherein the power supply system includes:

a plurality of power conditioner apparatuses which include the power conditioner apparatus, each of which corresponding to a different one of power generation systems including the power generation system;

a plurality of the first switches each of which switches between conduction and non-conduction between at least one of the power generation systems and a corresponding one of the power conditioner apparatuses; and

a plurality of the second switches each of which switches between conduction and non-conduction between each of the power conditioner apparatuses and a corresponding one of the power systems,

wherein the display device displays an image which indicates the power supply system including the power generation systems, the power conditioner apparatus, and the power systems, and receives an operation on the image from the user, and

the control unit is configured to switch between conduction and non-conduction between the power generation systems, the power conditioner apparatuses, and the power systems by controlling the first switches and the second switches according to the operation received by the display device.

12. The line switching system according to claim 9,

wherein the power supply system further includes

a fourth switch which switches between conduction and non-conduction between a distribution board provided with a building and each of the power systems,

wherein power is supplied from the power system selected by the fourth switch to the distribution board,

the display device displays an image which indicates the power supply system further including the distribution board, and receives an operation on the image from the user, and

the control unit is configured to switch between conduction and non-conduction between the distribution board and each of the power systems by further controlling the fourth switch according to the operation received by the display device.

2. (canceled)

13. A line switching method of being connected to a power supply system which includes:

a power generation system which generates power using renewable energy;

a power conditioner apparatus which conditions power supplied from the power generation system; and

a first switch which switches between conduction and non-conduction between the power generation system and the power conditioner apparatus, the line switching method comprising;

displaying an image indicating the power supply system, and displaying at least a first icon indicating the power generation system and a second icon indicating the power conditioner apparatus in the image on a display device;

receiving an operation on the first icon and the second icon from a user; and

switching between conduction and non-conduction between the power generation system and the power conditioner apparatus by switching the first switch according to an operation on the first icon and the second icon displayed by the display device.