# US 2014/0152095 A1 · System for supplying direct electric power for at least two loads from an alternating electric power source and method for starting such a supply system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152095 A1 - Document ID: US20140152095A1 - Status: Published application - Kind: A1 - Application number: 14/086,373 - Filed: 2013-11-21 - Published: 2014-06-05 - Earliest claimed: 2012-11-30 - Assignees: Schneider Electric Industries SAS - Applicants: Schneider Electric Industries SAS - Inventors: Luc MEYSENC; Daniel Barstz; Frederic Waterlot - Web page: https://patentgrep.com/patent/US20140152095A1 ## CPC - H02J 4/25: for transfer of electric power between AC and DC networks, e.g. for supplying the DC section within a load from an AC mains system - H02J 3/14: by switching loads on to, or off from, the networks, e.g. progressively balanced loading - H02J 2105/12: supplying households or buildings - Y02B 70/3225: Demand response systems, e.g. load shedding, peak shaving - Y02P 80/14: District level solutions, i.e. local energy networks - Y04S 20/222: Demand response systems, e.g. load shedding, peak shaving - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract The invention relates to a system for supplying direct electric power to at least two loads from an alternating electric power source comprises a circulation bus for the alternating power adapted to be connected to the alternating power source and at least one converter for converting alternating power into direct power, connected to the circulation bus. The system further comprises at least two connection interfaces, each connection interface being connected to a corresponding converter and being adapted to be connected to at least one electric load to supply direct electric power for the or each corresponding load; and means for controlling the connection interfaces, the control means being capable of time-shifting the start-up moment for the supply of direct power from one interface to the other. ## Claims ### Claim 1 A system for supplying direct electric power to at least two loads from an alternating electric power source, the system comprising: a circulation bus for the alternating power adapted to be connected to the alternating power source; at least one converter for converting alternating power into direct power, connected to the circulation bus; wherein the system comprises at least two connection interfaces, each connection interface being connected to a corresponding converter and being adapted to be connected to at least one electric load to supply direct electric power for the or each corresponding load; and control means for controlling the connection interfaces, the control means being capable of time-shifting the start-up moment for the supply of direct power from one interface to the other. ### Claim 2 (depends on 1) The system according to claim 1, wherein the alternating electric power source is an AC source, and in that each converter is connected to the circulation bus by means of a current transformer. ### Claim 3 (depends on 1) The system according to claim 1, wherein the alternating electric power source is an alternating voltage source, and in that each converter is connected to the circulation bus by a voltage transformer. ### Claim 4 (depends on 1) The system according to claim 1, wherein the connection interfaces comprise at least one controllable switch and the control means are capable of controlling the closing of the or each controllable switch. ### Claim 5 (depends on 4) The system according to claim 4, wherein the control means are capable of sending a closing signal to the or each switch based on the received power supply start-up signal. ### Claim 6 (depends on 5) The system according to claim 5, wherein the closing signal controls a time delay means specific to each respective connection interface. ### Claim 7 (depends on 5) The system according to claim 5, wherein the system comprises an alternating electric power source, said alternating electric power source being capable of emitting the power supply start-up signal. ### Claim 8 (depends on 5) The system according to claim 5, wherein the power supply start-up signal is a wireless signal, and the control means include a wireless receiver. ### Claim 9 (depends on 5) The system according to claim 5, wherein the power supply start-up signal is an electric power signal transmitted via the circulation bus of the alternating electric power. ### Claim 10 (depends on 1) The system according to claim 1, wherein the system comprises two circulation buses for the alternating electric power, adapted to be connected in parallel to two alternating electric power sources, the or each converter being connected to the two circulation buses. ### Claim 11 (depends on 1) The system according to claim 1, wherein the connection interfaces are adapted to be connected to multiple loads using a current bar. ### Claim 12 A method for starting up a direct electric power supply system for at least two loads, the system comprising an alternating electric power circulation bus, at least one converter for converting alternating power into direct power, at least two connection interfaces being connected to a corresponding converter and being adapted to be connected to at least one electric load to supply direct power to the or each corresponding load, the method comprising the following steps: starting the circulation of the alternating electric power in the circulation bus; time-shifting the startup moment of the direct power supply from one interface to the other, the shift being controlled by control means.