Power management in an energy distribution system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-003/32
H02J-003/28
F02B-063/00
출원번호
US-0409975
(2013-02-13)
등록번호
US-10063054
(2018-08-28)
우선권정보
DE-20 2012 006 090 U (2012-06-22)
국제출원번호
PCT/EP2013/052821
(2013-02-13)
국제공개번호
WO2013/189613
(2013-12-27)
발명자
/ 주소
Heid, Günter
Holzapfel, Peter Michael
Pflugfelder, Thomas
출원인 / 주소
Siemens Aktiengesellschaft
대리인 / 주소
Cozen O'Connor
인용정보
피인용 횟수 :
0인용 특허 :
3
초록▼
An arrangement for power management in an energy distribution system, a method for power management in an energy distribution system and an arrangement for implementing the method for power management in the energy distribution system, wherein a feed/return unit and a control unit are provided, wher
An arrangement for power management in an energy distribution system, a method for power management in an energy distribution system and an arrangement for implementing the method for power management in the energy distribution system, wherein a feed/return unit and a control unit are provided, where the control unit is configured to sense a present actual system state and to take the sensed actual system state as a basis for prompting energy output or energy intake (energy out/intake, energy feed/return) by the feed/return unit in order to allow continuous correction and dynamic support of an energy distribution system or in an energy distribution system.
대표청구항▼
1. An arrangement for power management in an energy distribution network, the arrangement being configured to dynamically support the energy distribution network and compensate for network disturbances in the energy distribution network via energy output/intake to/from the energy distribution networ
1. An arrangement for power management in an energy distribution network, the arrangement being configured to dynamically support the energy distribution network and compensate for network disturbances in the energy distribution network via energy output/intake to/from the energy distribution network, the arrangement comprising: an energy feed/return unit for feeding/returning energy to/from the energy distribution network and having a direct current intermediate circuit;at least two different electrical energy storage devices connected to the direct current intermediate circuit of the energy feed/return unit and having different response times; anda control unit configured to: ascertain a prevailing actual network state of the energy distribution network by measuring electrical variables of the energy distribution network, said electrical variables including at least one of voltage, current, phase position and frequency, and compare the ascertained prevailing actual network state with a desired network state,control, dependent on the comparison, the energy feed/return unit to output energy to the energy distribution network or receive energy from the energy distribution network, andselect and coordinate the at least two electrical energy storage devices in accordance with their respective response times to cover a required response time period during network disturbances. 2. The arrangement for power management in the energy distribution network as claimed in claim 1, wherein the energy feed/return unit comprises a converter which is operable in one of a two quadrant operation or four quadrant operation, said converter being at least one of (i) a line commutated inverter in the two quadrant operation and (ii) a direct current intermediate circuit that is connected to the converter operable in one of the two quadrant operation or four quadrant operation. 3. The arrangement for power management in the energy distribution network as claimed in claim 1, wherein the at least two different electrical energy storage devices comprise a chemical energy storage device and at least one of (i) a mechanical energy storage device and a thermal energy storage device. 4. The arrangement for power management in the energy distribution network as claimed in claim 1, further comprising: a capacitor which is connected to the direct current intermediate circuit of the energy feed/return unit. 5. The arrangement for power management in the energy distribution network as claimed in claim 1, wherein the arrangement is connected to the energy distribution network and the energy distribution network comprises a local low voltage network; and wherein a gas operated combustion engine/generator unit controllable via the control unit is connected to the energy distribution network. 6. A method for power management in an energy distribution network via an arrangement configured to dynamically support the energy distribution network and compensate for network disturbances in the energy distribution network via energy output/intake to/from the energy distribution network, the arrangement including an energy feed/return unit for feeding/returning energy to/from the energy distribution network and having a direct current intermediate circuit, at least two different electrical energy storage devices connected to the direct current intermediate circuit of the energy feed/return unit and having different response times and a control unit, the method comprising: ascertaining, by the control unit, a prevailing actual network state of the energy distribution network by measuring electrical variables of the energy distribution network, said electrical variables including at least one of voltage, current, phase position and frequency, and compare the ascertained prevailing actual network state with a desired network state;controlling, by the control unit, dependent on the comparison, the energy feed/return unit to output energy to the energy distribution network or receive energy from the energy distribution network; andselecting and coordinating, by the control unit, the at least two electrical energy storage devices in accordance with their respective response times to cover a required response time period during network disturbances. 7. The method for power management in an energy distribution network as claimed in claim 6, wherein the energy feed/return unit comprises a converter which is operable in one of a two quadrant operation or four quadrant operation, said converter being at least one of (i) a line commutated inverter in the two quadrant operation and (ii) a direct current intermediate circuit that is connected to the converter operable in one of the two quadrant operation or four quadrant operation. 8. An arrangement for implementing a method for power management in an energy distribution network, the method comprising ascertaining a prevailing actual network state of the energy distribution network by measuring electrical variables of the energy distribution network, said electrical variables including at least one of voltage, current, phase position and frequency, and comparing the ascertained prevailing actual network state with a desired network state, by controlling, dependent on the comparison, the energy feed/return unit to output energy to the energy distribution network or receive energy from the energy distribution network, and by selecting and coordinating the at least two electrical energy storage devices in accordance with their respective response times to cover a required response time period during network disturbances, the arrangement comprising: an energy feed/return unit for feeding/returning energy to/from the energy distribution network and having a direct current intermediate circuit;at least two different electrical energy storage devices connected to the direct current intermediate circuit of the energy feed/return unit and having different response times; anda control unit configured to ascertain the prevailing actual network state of the energy distribution network by measurement of electrical variables of the energy distribution network, said electrical variables including at least one of the voltage, current, phase position and frequency, and to compare the ascertained prevailing actual network state with the desired network state, control, dependent on the comparison, the energy feed/return unit to output energy to the energy distribution network or receive energy from the energy distribution network, and select and coordinate the at least two electrical energy storage devices in accordance with their respective response times to cover the required response time period during the network disturbances.
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이 특허에 인용된 특허 (3)
Kojori,Hassan A.; Michalko,Rodney G.; Konyukhova,Sophia V., Electrical energy management system on a more electric vehicle.
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