WO2016150467A1 - Ensemble d'accumulation d'énergie - Google Patents

Ensemble d'accumulation d'énergie Download PDF

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Publication number
WO2016150467A1
WO2016150467A1 PCT/EP2015/055970 EP2015055970W WO2016150467A1 WO 2016150467 A1 WO2016150467 A1 WO 2016150467A1 EP 2015055970 W EP2015055970 W EP 2015055970W WO 2016150467 A1 WO2016150467 A1 WO 2016150467A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
energy storage
consumption
converter
storage arrangement
Prior art date
Application number
PCT/EP2015/055970
Other languages
German (de)
English (en)
Inventor
Rodrigo Alonso ALVAREZ VALENZUELA
Martin Pieschel
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2015/055970 priority Critical patent/WO2016150467A1/fr
Publication of WO2016150467A1 publication Critical patent/WO2016150467A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/483—Converters with outputs that each can have more than two voltages levels
    • H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage

Definitions

  • the invention relates to an energy storage assembly comprises at least a series circuit with at least two series-connected sub-modules and an inductor, wherein at least one of the sub modules of one or several ⁇ rer of the series circuits includes an input module and at least one electrical energy storage exhibiting memory module ,
  • the invention has for its object to provide a Energyspei ⁇ cheran Aunt in which the memory modules can be operated in a power distribution network more efficient than before.
  • the invention provides that electrically to the input module, a turned on and off consumption module is connected directly or indirectly, the consumed electric power in the on ⁇ off state.
  • the consumption module converts the turned stale ⁇ ended state electrical energy into another form of energy.
  • the consumption module converts electrical energy into heat or thermal energy is in the scarf ⁇ ended state.
  • An essential advantage of the energy storage arrangement according to the invention is the fact that due to the energy consumption possibility provided according to the invention, ner vom the energy storage device, a time faster switching of power consumption - for example, for network stabilization ⁇ - can achieve than with additional appliances, which are located outside of the energy storage means and directly to the
  • the consumption module preferably has one or more ohmic resistances.
  • vorgese ⁇ hen that the consumption module and the memory module are driven elekt ⁇ connected to the DC-DC converter and the consumption module and the memory module are electrically connected in parallel.
  • the consumption module has an electrical switch and the one or more resistors are connected in series with the switch.
  • vorgese ⁇ hen that the direct voltage converter and the disposable module are integrated in a common converter consumption module.
  • the converter consumption module has a H-bridge module comprising four switching units in bridge arrangement .
  • the converter consumption module has a H-bridge module comprising four switching units in Brückenanord ⁇ tion and an input-side capacitor, which buffers the output from the input module DC link voltage and is electrically connected between the H-bridge module and the input module.
  • the transposer consumption module comprises two connected with the memory module at ⁇ connections, of which a first is connected via a choke having a first center connection of the H-bridge module, and to which the second is connected via a resistor forming the consumption module or belonging to the consumption module with a second middle connection of the H-bridge module verbun ⁇ .
  • the throttle is used among others to
  • a switch (“bypass" switch) is also arranged between the first and second center connection of the H-bridge module, which short-circuits the memory module in the switched-on state.
  • a switch is preferably a pyromechanical switch or short-circuiter.
  • the switch is preferably in communication with a monitoring unit that closes the switch when the current within the energy storage device and / or the voltage at or within the energy storage device meet a predetermined shutdown condition.
  • the monitoring unit is configured such that it measures the current through the memory module and the voltage at the memory module or at the output of the input module and turns on the switch when current and / or voltage meet a predetermined switch-off condition.
  • the above-mentioned switching units are preferably formed by semiconductor switches (eg, IGBT semiconductor switch, GTO semiconductor switch, or MOSFET semiconductor switch).
  • the energy storage arrangement is preferably used in a single-phase or multi-phase AC voltage network. In this case, it is advantageous if the energy storage arrangement has at least one input AC voltage connection, where an alternating current can be fed, and the input module is an inverter module.
  • the memory module preferably has one or more double-layer capacitors as energy store.
  • the invention also relates to a method for operating an energy storage assembly comprising at least in series comprises a series circuit with at least two maralte- th sub-modules and an inductor, wherein at ⁇ one of the sub modules of one or more of the series circuits least an input module and at least one Electr ⁇ innovative energy storage comprises exhibiting memory module.
  • An exemplary embodiment of an energy storage arrangement according to the invention an exemplary embodiment of a storage device which can be used in the energy storage arrangement according to FIG. 1 and has a delta connection, shows an exemplary embodiment of a series connection having a plurality of partial modules, which is used in the memory device according to FIG can be,
  • FIG. 4 shows an exemplary embodiment of a submodule that can be used in the series connection according to FIG. 3,
  • Figure 5 shows an embodiment of an input module which can be used in the sub-module according to Figure 4
  • Figure 6 shows a further exemplary embodiment of an input ⁇ module that can be ⁇ sets in the part module according to Figure 4
  • FIG. 7 shows an exemplary embodiment of a consumption module that can be used in the submodule according to FIG. 4 or FIG. 11,
  • FIG. 8 shows an exemplary embodiment of a memory device which can be used in the energy storage arrangement according to FIG. 1 and has a star circuit ,
  • FIG. 9 shows an exemplary embodiment of a memory device which can be used in the energy storage arrangement according to FIG. 1 and has a bridge circuit
  • Figure 10 shows an embodiment of a single-phase SpeI ⁇ cher observed, which can be used in memory array a single-phase energy
  • FIG. 11 shows a further exemplary embodiment of a submodule that can be used in the series connection according to FIG. 3, FIG.
  • FIG. 12 shows an embodiment of a DC converter ⁇
  • FIG. 13 shows an exemplary embodiment of a submodule which can be used in the series connection according to FIG. 3 and has a converter consumption module.
  • the same reference numbers are always used in the figures for identical or comparable components.
  • FIG. 1 shows an energy storage arrangement 10 which comprises a memory device 20, a drive circuit 30, a current sensor 40 and a voltage sensor 50.
  • the memory device 20 has three input AC voltage terminals E20a, E20b and E20c, which are connected to a three-phase electrical line 80. About the three-phase line 80. 20 is the memory device with a connecting bar 90 and an only schematically angedeu ⁇ ended energy distribution system 100 in conjunction.
  • the energy storage arrangement 10 according to FIG. 1 can be operated, for example, as follows:
  • the drive circuit 30 measures by means of the current sensor 40 on the input side hineinflie- in the storage device 20 sequent (or out-flowing) three-phase input alternating current Ie and the voltage sensor 50, the voltage applied to the storage device 20 three-phase input ⁇ voltage and determined by these measured values, the state of the power distribution network 100. In addition, it determines the memory state of the memory device 20 on the basis of measured values, which are detected within the memory device 20 by current and / or voltage sensors (not shown further).
  • the drive circuit 30 determines an optimal activation of the memory device 20 in such a way that the energy distribution network 100 assumes a network state which is as optimal as possible and the memory device 20 is in a favorable memory state in which it is always present Active power can be provided or recorded.
  • FIG. 2 shows an exemplary embodiment of a memory device 20 which can be used in the energy storage arrangement 10 according to FIG.
  • the three input AC voltage connections E20a, E20b and E20c, which are connected to the three-phase line 80 according to FIG. 1, can be seen.
  • the three phases of the three-phase line 80 are indicated in FIG. 2 by the reference symbols LI, L2 and L3.
  • the storage device 20 includes three delta-connected in series circuits 200, whose series-connected Comp ⁇ components are not shown in detail for reasons of clarity in the figure. 2
  • FIG. 3 shows an embodiment for a series ⁇ circuit 200 that may be used in the memory device 20 according to FIG. 2
  • the series circuit 200 according to FIG. 3 has a current sensor 210 which is preferably connected to the drive circuit 30 according to FIG. 1, a plurality of submodules 220 and an inductance 230.
  • the current ⁇ sensor 210, the sub-modules 220 and the inductor 230 are electrically connected in series.
  • the series connection of the sub-modules 220 takes place via their input terminals E220a and E220b.
  • FIG. 4 shows an exemplary embodiment of a submodule 220 that can be used in the series circuit 200 according to FIG.
  • the sub-module 220 includes an input module 221, which is an AC / DC (AC / DC) conversion converter module, a DC-to-DC converter 222, a memory module 223, and a consumable module 225 that can be turned on and off DC converter 222 may be, for example, a
  • DC converter DC-DC converter
  • the consumption module 225 is transformed into another form of energy when switched electrical ⁇ cal energy. Here it is Consumption module 225 in the on state electrical energy into heat or heat energy.
  • the consumption module 225 and the DC converter 222 are electrically connected to the input module 221.
  • the consumption module 225 and the DC voltage converter 222 are therefore electrically parallel.
  • the memory module 223 is connected to the DC converter 222 so that the DC converter 222 is electrically connected between the input module 221 and the memory module 223.
  • the inputs E221a and E221b the input module 221 according to Figure 4 form the inputs E220A and E220b of the submodule 220, to form the series connection of the sub-modules 220 (see FIG. 3) to the inputs E221a and E221b of Independent ⁇ len 221 upstream and downstream sub-modules 220 are connected in series (see Figure 3).
  • the memory module 223 preferably has one or more double-layer capacitors as an energy store, which are not shown in more detail in FIG. 4 for reasons of clarity.
  • FIG. 5 shows an exemplary embodiment of an input module 221 that can be used in the submodule 220 according to FIG.
  • the input module 221 comprises two Heidelbergelemen ⁇ te Sl and S2, to each of which a diode is connected in parallel.
  • the switching elements Sl and S2 may be, for example, semiconductor switches, for. In the form of transistors.
  • the outputs of the input module 221 are identified in FIGS. 4 and 5 by the reference symbols A221a and A221b and connected to the inputs E222a and E222b of the downstream DC voltage converter 222.
  • the control of the switching elements Sl and S2 of the mattersssmo ⁇ module 221 is preferably carried out by the drive circuit 30th according to FIG. 1 as a function of the current and voltage values which the drive circuit 30 detects and evaluates.
  • FIG. 6 shows a further exemplary embodiment of an input module 221 which can be used in the submodule 220 according to FIG.
  • the input module 221 comprises four switching elements Sl, S2, S3 and S4, to each of which a diode is connected in parallel.
  • the four switching elements Sl to S4 are connected in the form of an H-bridge circuit and are preferably of the drive circuit 30 according to Figure 1 in
  • the outputs of the input module 221 are ren in the Figu- 4 and 6 by the reference numerals A221a and A221b in and connected to the inputs of the E222a and E222b nachgeordne ⁇ th DC-DC converter 222nd
  • FIG 7 shows an embodiment for a consumption module 225, which according to FIG 4 or Fi gur ⁇ 11 at a part of module 220 (discussed further below) may be used.
  • the consumption module 225 includes a switching element S9, and a resistor Rl, to which a freewheeling diode D is connected in pa rallel ⁇ .
  • the switching element S9 and the resistor Rl are connected in series.
  • the outer connec ⁇ se for the consumption module 225 form the terminals E225a and E225B.
  • the consumption module 225 is connected, resulting in active power consumption by the resistor Rl and heat generation.
  • FIG. 8 shows a further exemplary embodiment of a memory device 20 which can be used in the energy storage arrangement 10 according to FIG.
  • the number scarf ⁇ obligations 200 of the memory device 20 is not connected in a triangle, but a star shape processing to form a Wire Wye.
  • the star point formed by the interconnection is identified in FIG. 8 by the reference symbol ST.
  • a return conductor N for example the return conductor of the three-phase line 80 according to FIG. 1, can be connected to the star point ST.
  • the structure of the series circuits 200 is not shown in detail in FIG. 8 for reasons of clarity.
  • the series ⁇ circuits 200 may, for example, the series circuits 200 of the memory device 20 according to Figure 2 correspond or be constructed, as has been explained in detail in connection with Figures 3 to 7 above in detail by way of example.
  • Be ⁇ lor the structure of the series circuits 200 according to Figure 8, the above embodiments are thus also applicable.
  • 9 shows an embodiment of a memory ⁇ device 20, in which series circuits 200, each comprising at least two series-connected and aufwei ⁇ sen for reasons of clarity in the figure 11, not shown, sub-modules, form a bridge circuit 400th
  • the structure of the series circuits 200 of the memory device 20 may correspond, for example, to the structure of the series circuits 200, as explained in detail in connection with FIGS. 2 to 7 above.
  • FIG. 10 shows an embodiment for a einphasi ⁇ ge memory device 20, which connected to a series circuit 200 in series with a plurality and in the Figure 10 for reasons of clarity not shown partial modules includes.
  • the series circuit 200 of the energy storage device 20 according to FIG. 10 may correspond in structure to the series circuits 200, as explained in detail above in connection with FIGS. 2 to 7.
  • the memory device 20 or the series circuit 200 can be connected to a single-phase AC voltage network (as shown) or alternatively to a DC voltage network, for example to a DC voltage circuit of a high-voltage DC transmission device (HVDC).
  • the input module 221 is preferably a DC / DC converter or DC / DC converter.
  • FIG. 11 shows a further exemplary embodiment of a submodule 220 which can be used in the series circuit 200 according to FIG.
  • the supply module 220 includes a one ⁇ output module 221, which is an inverter module to the AC / DC (AC / DC) is implementation, a DC-DC converter 222, a memory module 223, and a consumption module 225th
  • the consumption module 225 and the memory module 223 are electrically connected to the DC voltage converter 222.
  • the consumption module 225 and the memory module 223 are thus electrically parallel.
  • the DC-DC converter 222 is electrically connected between the input module 221, and the parallel circuit ⁇ from memory module 223 and module 225 consumption overall on. From the operation of the exporting forth ⁇ approximately corresponds to, for example according to Figure 11 the embodiment according to Figure 4: If required, is to stabilize the network
  • Energy distribution network 10 absorbed by consumption module 225 active power and converted into heat; the control is effected by the drive circuit 30 according to FIG.
  • FIG. 12 shows an exemplary embodiment of a DC voltage converter 222 which is connected to the submodule 220 according to FIG 4 or 11 can be used.
  • the DC ⁇ converter 222 according to Figure 12 has two switching elements S5 and S6 to each of which a diode is connected in parallel.
  • the two switching elements S5 and S6 are connected in the form of a series ⁇ circuit whose external terminals constitute the input terminals ⁇ E222a E222b and the DC-DC converter 222nd Connected in parallel with the series circuit is a Kondensa ⁇ tor C, which thus is also parallel to the matterssanschlüs ⁇ sen E222a E222b and the DC-DC converter 222nd
  • the control of the two switching elements S5 and S6 is carried out for DC voltage conversion preferably by the drive circuit 30 according to Figure 1 as a function of the measured values, which are supplied by the two sensors 40 and 50 and the other already mentioned, but not shown, sensors.
  • FIG. 13 shows an embodiment of a transposer consumption module 226 that can be used instead of the Gleichputsumset ⁇ dec 222 of Figure 4 or Figure 11 and there carries out the function of the DC-DC converter 222 and the consumable module 225th Further consumption modules 225 may be connected upstream, downstream or in parallel with the converter consumption module 226, as FIGS. 4 and 11 for the DC converter 222 show by way of example.
  • the converter consumption module 226 has two external input ⁇ terminals E222a and E222b, with which the converter consumption module 226 to the upstream input module 221 - as shown in Figure 4 - can be connected.
  • the converter consumption module 226 has an input-side capacitor C connected to the two outer input terminals E222a and E222b and to which an H-bridge circuit 400h is connected in parallel.
  • the H bridge circuit 400h consists of four switching elements S5,
  • the H bridge circuit 400h has a first and a second center terminal M1 or M2, of which the first
  • Mid terminal Ml is connected via a throttle 224L to a first externa ⁇ ßeren output terminal A222a of the converter-consumption module 226 and the second center terminal M2 through a resistor R12 to a second external output terminal A222b of the converter-consumption module 226 is attached Schlos ⁇ sen.
  • the two center terminals Ml and M2 of the H bridge circuit 400h are connected via a switch 227.
  • the switch 227 can be controlled via a monitoring unit 228.
  • the surveil ⁇ monitoring unit 228 is connected to a voltage sensor 228V, which is parallel to the input side capacitor C, and a current sensor 2281, which measures the current through the inductor 224L connected.
  • the second external input terminal and the second E222b externa ⁇ ßere output terminal A222b are connected directly to each other or short-circuited.
  • the resistor R12 forms a consumption module 225, which, unlike those of the embodiment shown in Figure 7 no egg ⁇ genes switch requires as it 400h on or can be switched off by the H-bridge circuit.
  • the integration of DC converter 222, consumption module 225 and monitoring unit 228 results in the converter consumption module 226 according to FIG. 13.
  • the converter 226 enables a consumption module Sonderabschaltalaya, wherein the active power 227 of the memory module 223 is converted to heat through the resistor R12 by switching the switch and the memory module 223 - is discharged - üb ⁇ SHORT- complete.
  • the monitoring unit 228 measures the wastes for over the capacitor C ⁇ loin voltage and the current flowing through the choke 224L current. If the measured values exceed predetermined thresholds, the switch 227 is switched on, as a result of which the energy in the memory module 223 (not shown in greater detail in FIG. 13) is discharged via the resistor R12.
  • the switch 227 is preferably a pyromechanical switch which can be actuated once and needs to be exchanged or at least maintained after being triggered.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Dc-Dc Converters (AREA)

Abstract

L'invention concerne un ensemble d'accumulation d'énergie (10) qui comprend au moins un montage série (200) d'au moins deux modules partiels (220) connectés en série et d'une inductance, au moins l'un des modules partiels (220) de l'un ou de plusieurs montages série (200) comprenant un module d'entrée (221) et un module d'accumulation (223) présentant au moins un accumulateur d'énergie électrique. Selon l'invention, un module de consommation (225) à position marche et arrêt est connecté électriquement directement ou indirectement au module d'entrée (221), lequel module de consommation consomme de l'énergie électrique lorsqu'il se trouve en position marche.
PCT/EP2015/055970 2015-03-20 2015-03-20 Ensemble d'accumulation d'énergie WO2016150467A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/055970 WO2016150467A1 (fr) 2015-03-20 2015-03-20 Ensemble d'accumulation d'énergie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/055970 WO2016150467A1 (fr) 2015-03-20 2015-03-20 Ensemble d'accumulation d'énergie

Publications (1)

Publication Number Publication Date
WO2016150467A1 true WO2016150467A1 (fr) 2016-09-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109546674A (zh) * 2018-12-07 2019-03-29 南京南瑞继保电气有限公司 一种桥式直流耗能装置及控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101051751A (zh) * 2007-05-14 2007-10-10 上海艾帕电力电子有限公司 含有功率单元的有源电力滤波器及其控制方法
CN102013691A (zh) * 2010-07-22 2011-04-13 荣信电力电子股份有限公司 一种基于mmc模块化多电平逆变器的无变压器电池储能拓扑结构
WO2012156261A2 (fr) 2011-05-18 2012-11-22 Siemens Aktiengesellschaft Ensemble convertisseur
DE102012202856A1 (de) * 2012-02-24 2013-08-29 Robert Bosch Gmbh Ladeschaltung für eine Energiespeichereinrichtung und Verfahren zum Laden einer Energiespeichereinrichtung
US20140321019A1 (en) * 2011-12-19 2014-10-30 Siemens Aktiengesellschaft Method for protecting an intermediate circuit capacitor in a power converter circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101051751A (zh) * 2007-05-14 2007-10-10 上海艾帕电力电子有限公司 含有功率单元的有源电力滤波器及其控制方法
CN102013691A (zh) * 2010-07-22 2011-04-13 荣信电力电子股份有限公司 一种基于mmc模块化多电平逆变器的无变压器电池储能拓扑结构
WO2012156261A2 (fr) 2011-05-18 2012-11-22 Siemens Aktiengesellschaft Ensemble convertisseur
US20140321019A1 (en) * 2011-12-19 2014-10-30 Siemens Aktiengesellschaft Method for protecting an intermediate circuit capacitor in a power converter circuit
DE102012202856A1 (de) * 2012-02-24 2013-08-29 Robert Bosch Gmbh Ladeschaltung für eine Energiespeichereinrichtung und Verfahren zum Laden einer Energiespeichereinrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109546674A (zh) * 2018-12-07 2019-03-29 南京南瑞继保电气有限公司 一种桥式直流耗能装置及控制方法

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