EP2865065A2 - Gestion de puissance dans un réseau de distribution d'énergie - Google Patents

Gestion de puissance dans un réseau de distribution d'énergie

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Publication number
EP2865065A2
EP2865065A2 EP13706198.2A EP13706198A EP2865065A2 EP 2865065 A2 EP2865065 A2 EP 2865065A2 EP 13706198 A EP13706198 A EP 13706198A EP 2865065 A2 EP2865065 A2 EP 2865065A2
Authority
EP
European Patent Office
Prior art keywords
energy
distribution network
feed
power
network
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP13706198.2A
Other languages
German (de)
English (en)
Inventor
Günter HEID
Peter Michael HOLZAPFEL
Thomas PFLUGFELDER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP2865065A2 publication Critical patent/EP2865065A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/042—Rotating electric generators
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • 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
    • H02J11/00—Circuit arrangements for providing service supply to auxiliaries of stations in which electric power is generated, distributed or converted
    • 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
    • H02J9/08—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 requiring starting of a prime-mover

Definitions

  • Power management in a power distribution network The invention relates to an arrangement for a nursemana ⁇ ABERGEMENT at an energy distribution system, a method for power management in a power distribution network as well as an arrangement for carrying out the method for power management in a power distribution network.
  • Engine-generator units combine internal combustion engines (including combustion engine unit) which chemi ⁇ specific energy of a fuel, such as a flüssi ⁇ gene or gaseous fuel, converted by combustion into mechanical energy, with generators (also generating unit) that this mechanical energy further into elekt ⁇ transform energy.
  • a fuel such as a flüssi ⁇ gene or gaseous fuel
  • a gas-powered internal combustion engine is a subset of internal combustion engines used as fuel - instead of liquid fuels such as gasoline, diesel, heavy oils, etc., such as internal combustion engines fueled by liquid fuels - natural, liquid, wood, bio, landfill , Mine gas, blast furnace gas or hydrogen.
  • an internal combustion engine-generator unit or an in an internal-combustion engine generator unit for feeding (electrical) energy in a power distribution network fueled internal combustion engine and / or generator such as a bathträg ⁇ integral of the fuel of the internal combustion engine and / or masses ⁇ inertia rotating Components of internal combustion engine / Generator unit (dynamic effects), it may happen that the internal combustion engine generator unit generates energy peaks at deviations of nominal rotational speeds (actual) of the internal combustion engine, which have a disruptive effect on the energy distribution network.
  • a compensation of phase and frequency to Kompensa ⁇ tion of power fluctuations / -Changes is development network in Energyvertei- usually control technology by a
  • this is associated with increased material and / or cost. Also component volumes can increase.
  • the engine-caused Genera ⁇ gate unit to avoid network faults are there ⁇ establish appropriate measures, in particular in the form of a continu- ierlichen correction and dynamic support of the power distribution network against these - and / or other - network interference, desired or required.
  • static input / feedback units ie electrical circuits for power extraction as well as for power return ⁇ tion in an energy distribution network or three-phase network, known.
  • AI is such a static input / regenerative unit with a DC intermediate circuit, which is connected via an indirect converter to a power distribution network described.
  • a converter also as AC inverter or as
  • AC / AC converter is a current transformer, ie, a static or "plant” for converting one type of electrical current into another by means of electronic components such as transistors, in particular IGBT, MOSFET, diodes or thyristors, which consists of an AC voltage a different frequency and amplitude AC voltage generated ⁇ riert.
  • various topologies of converters are known, such as direct or indirect drive.
  • Indirect converters operate with a DC or DC-operated intermediate circuit and provide a combination of a rectifier (conversion of
  • AC voltage in DC voltage AC voltage in DC voltage
  • inverter conversion DC voltage to AC voltage or DC to AC
  • inverter conversion DC voltage to AC voltage or DC to AC
  • inverter or the DC or inverter in a position to transmit energy in both directions, ie in the DC link and from the DC link , one speaks of ei ⁇ nem two- or four-quadrant capable converter or an inverter operated / operating in two- or four-quadrant operation.
  • VSI English Voltage Source Inverter
  • narrow ⁇ Current-source inverter consist of a three-phase rectifier with phase control, an intermediate circuit with a storage inductor L as energy storage, flows through the constant constant load DC current, and an output side inverter.
  • thermal energy storage heat storage, district heating storage, thermochemical micheriespei- tend, latent heat storage
  • chemical energy storage inorganic: galvanic cell (accumulator, battery), redox flow cell, hydrogen, battery storage power plant; orga ⁇ nisch: ADP , ATP, AMP, glycogen, carbohydrates, fats, chemical hydrogen storage
  • mechanical energy stores kinetic energy (kinetic energy): flywheel or
  • Flywheel potential energy: spring, pumped storage power plant, compressed air storage power plant, accumulator power plant) and into electrical energy storage (capacitor, superconducting magnetic energy storage) are divided.
  • the invention has the object of providing a kontinuierli ⁇ che correction and dynamic support of a Energyvertei- network or in an energy distribution network.
  • the object is achieved by an arrangement for power management in a power distribution network, a method for power management in a power distribution network and an arrangement for carrying out the method for power management in an energy distribution network having the features according to the respective independent claim.
  • the invention and the developments described can be realized - also in parts - both in software and in hardware, for example using a special electrical circuit.
  • the arrangement according to the invention to a power management in a power distribution network provides a static input / feedback unit (hereinafter referred to as Ein Wegspeiseiki ⁇ be characterized) and a control unit before.
  • such an injection feed unit is to be understood as an electrical unit or arrangement / circuit which is capable of drawing (electric) energy from an (electrical) energy distribution network, for example a local low-voltage network, as well as (electrical) energy into the energy distribution network to produce dine (back) (active energy) and / or reactive power (to a sustainer sustaining ⁇ processing of a line current) in the power distribution network, ie a network-side displacement of electrical variables, in particular of current and voltage, to effect each other, (power / energy management, feed-in).
  • the Einschspeisetechnik can to a Energyver ⁇ distribution network, for example to a local low-voltage network ⁇ be coupled.
  • Other units such as in particular energy generator units (in short, only energy producers), may also be coupled to the power distribution network.
  • Reactive power in the power distribution network can be referred to below as the energy transfer point / entry point.
  • the feed-in feed unit may be one in one
  • Two- or four-quantum operation operable inverter (hereinafter - in a special embodiment - also referred to as a so-called local grid inverter (LGI)), in particular a network-driven AC or rectifier in two-quantum operation, and one with the AC or rectifier interconnected DC intermediate circuit (hereinafter also referred to only as a DC circuit), which change ⁇ or rectifier then feeds the DC intermediate circuit or pulls energy from the DC intermediate circuit.
  • LGI local grid inverter
  • One or more DC-AC and / or DC-DC converters may be connected to the DC intermediate circuit for the purpose of energy conversion into a thermal or chemical or mechanical energy form.
  • the converter can then one of the (thermal or chemical or mechanical) energy form corresponding (thermal or chemical or mechanical) energy storage or can then each, the (thermal or chemical or mechanical) energy form corresponding energy storage (energy module), such as a flywheel storage (mechanical-rotary) or a battery or fuel cell (inorganic chemical) to be connected or become.
  • energy module such as a flywheel storage (mechanical-rotary) or a battery or fuel cell (inorganic chemical) to be connected or become.
  • Such thermal, chemical and mechanical Energypei ⁇ cher are characterized by aging effects as well as de ⁇ ren charge and discharge time in the range of - greater - ren several milliseconds occurs.
  • the DC link can continue with one or meh ⁇ reren electrical (also referred to herein as physical) energy storage such as a capacitor and / or a
  • the devices connected to the DC circuit power storage possess the physical property of a network-side postponement of electrical quantities to produce, in particular, of current and voltage, to one another, whereby reactive power can be generated to maintain a line current in the Energyvertei ⁇ lung network.
  • the energy storage devices connected to the DC circuit have the physical property of removing the energy from an energy distribution network or introducing the energy there. As a result, active energy can be introduced into or removed from the energy distribution network
  • the energy transport is subject to reaction times.
  • the energy storage can therefore be selected according to the required reaction time or the Energyspei ⁇ cher can be arranged rich in combination to cover Christszeitbe- and coordinated.
  • the energy storage can be dimensio ⁇ ned / combined / co-ordinated in particular to be very dynamic correction amounts from the physical memory, dynamic less from the thermal and / or chemical and / or mechanical storage be removed.
  • the limit of removal from the physical or thermal / chemical / mechanical energy storage can be defined according to economic constraints.
  • the sizing / combination / coor ⁇ tion of the energy storage may be provided such that technically feasible ⁇ . Discharge operations are avoided in a chemi ⁇ cal memory.
  • the energy stores connected to the DC circuit are also dimensioned so that (through their energy storage / -abgabe / -aufnähme) specified symmetric, cyclical energy fluctuations in an energy distribution network and / or that an acyclic energy surplus or lack of energy in the energy distribution network (by their unloading or their loading) can or can be compensated (network failure).
  • the energy content of the memory may be dimensioned so that the through one (or more) Energyer ⁇ tools purity (-ies) as an engine-generator unit, specified (desired) power over the period of a specified minority or surplus power of the generator - Unit (-en) (by discharging or charging the energy storage) supplied to the power distribution network or can be dissipated.
  • the energy charge of the physical energy store in the DC circuit can be forced by the setpoint specification / intermediate circuit voltage.
  • the energy charge of the / of the thermal and / or chemical and / or mechanical energy storage can by a, in particular preceding trouble-free, operation of a power generator unit, such as a gas-powered Verbrennungsmo ⁇ gate generator unit or operated from a waste heat converter unit (exhaust microturbine), take place.
  • Any other producer sources such as those based on renewable energies (for example wind, water, light (photovoltaics), etc.) are possible for charging the thermal and / or chemical and / or mechanical energy store.
  • renewable energies for example wind, water, light (photovoltaics), etc.
  • the charge state of the thermal and / or chemical and / or mechanical energy store can be kept at 80% - 90%.
  • the energy provided by such a generator source can be supplied via the feed-in supply unit or via the grid-controlled converter and the energy transfer point or the feed point to the energy distribution network or also directly to the energy distribution network in order to increase the overall system efficiency.
  • the control unit according to the invention in particular a (radio ⁇ tional) measuring, regulating and / or control unit (hereinafter - in a special embodiment - also as so-called Local- Grid controller (LGC) is designed or adapted to a current NetzistGra a Ener ⁇ gieferillersnetzes, in particular local electrical sizes ⁇ Shen, such as voltage, current, phase and / or frequency, in particular timely, to capture and in Depending on the detected NetzistSullivans an energy delivery or energy intake (energy delivery / -aufnähme, Energyein ⁇ fed back) the Einschspeisetechnik, in particular in / from the power distribution network to cause.
  • a (radio ⁇ tional) measuring, regulating and / or control unit hereinafter - in a special embodiment - also as so-called Local- Grid controller (LGC) is designed or adapted to a current NetzistGrama Ener ⁇ gieferillersnetzes, in particular local electrical sizes ⁇ Shen
  • the detected NetzistG with a predetermined (Netzsoll-) state for example in the form of a nominal or safety limit is compared - and depending on the comparison, the energy or energy intake (energy delivery / -aufnähme, Energyein Wegspeisung ), in particular into / from an energy distribution network, the feed-in feed unit is caused.
  • coordination / management can also be the engaging ⁇ feeding unit or its components, such as de ⁇ ren memory and / or circuit / Studentstragerbaumaschine,
  • control unit it is expedient for the control unit to have a model of the participating generator-transmitter storage units, based on which model corresponding reactions of the participating generator-transmitter storage units are coordinated (as part of the "coordination / management"), thus the overall system with all participants bumpless and dynamically in a suitable manner (pre-) control.
  • control units of the participating producers transformer storage units such as control units of power generation units (voltage motor management as incineration or generator control in an internal combustion engine-generator unit) and the control unit - dernissen depending on Erfor ⁇ - to ⁇ special from a central location of the power distribution network are mutually ⁇ tuned control technically.
  • the coordinated "coordination / management" is especially in the case of internal combustion engine generator units in the overall system because of the special properties of an internal combustion engine, in particular a gas combustion engine, (power ⁇ inertia) to provide such an internal combustion engine-generator unit, since this by influencing an ignition or an ignition point or of mixture preparations (engine management) must be dynamically controlled in a special form to a deviation from the current operating point or a Energy peak in the form of overspeed dynamically intercept.
  • a charge of the energy storage device over a specified voltage / state of charge / limit value can be converted into thermal energy by the use of a highly dynamic chopper connected to the DC intermediate circuit with the aid of an ohmic resistor (overcharge protection).
  • a current network state of an energy distribution network in particular local electrical variables, such as voltage,
  • the detected network state is compared with a predefinable (network set) state, for example in the form of a setpoint or safety-related limit value, and depending on the comparison, the energy output / absorption (energy injection), in particular an energy distribution network), which causes the feed-in feed unit.
  • a predefinable (network set) state for example in the form of a setpoint or safety-related limit value, and depending on the comparison, the energy output / absorption (energy injection), in particular an energy distribution network), which causes the feed-in feed unit.
  • the inventive arrangement for carrying out the procedure for a power management in a network Energyvertei ⁇ lung provides for the control unit.
  • the invention thus makes it possible to regulate the electrical quantities in the form of voltage, current, frequency and phase position of an energy distribution network and maintain them for a period of time.
  • the Einschspeiseiki comprises a line-commutated AC ⁇ judge based fast switching power semiconductor for power control of the DC circuit.
  • a physical energy store for example a capacitor, directly or indirectly connected to the DC circuit, or to recycle the energy from the storage medium either directly or via the grid-controlled inverter to the power distribution network.
  • a regulation ⁇ technical deficiency ( "power inertia") of generating source (- n) , for example, the gas fueled internal combustion engine genes ⁇ rato purity is compensated (dynamic effects) and / or the control-technical (-n) transmission path (-n) is / are compensated by the generator source (s) to the transfer point (static effects) and / or the generator source (- n) is relieved of non-active power contributions - and thus must not be over-dimensioned electrically and mechanically.
  • power inertia ⁇ technical deficiency
  • the "coordination / management" takes place in such a way or that the control unit is set up so that the static feed-in unit is controlled such that no influence is exerted in a statically steady feed state of the generator source (-n) That is, if the voltage, current, phase position and the frequency in the power distribution network statically meet the target specification, the feed-in power unit can be deactivated or switched to a stand-by mode.
  • the "Coordination / Management" may be such that by means of Ein Wegspeiseiki on energy - is such effort exerted influence transfer point / feed-in point (reactive power, active power), that a control unit of the generator of the internal combustion engine genes ⁇ rato purity no deviation from the knows operating conditions ER and the control unit causes no rule activities or no error detection and reduction in case of the internal combustion engine-generator unit. stresses on the internal-combustion engine generator unit can be reduced.
  • the "correction / compensation energy" from the Ein Wegspeise ⁇ unit can be supplied directly to the feeding point , Alternatively, a feed into a potential-free auxiliary ⁇ winding with higher voltage can be realized. This winding must be designed according to a required continuous reactive power. Here can then be utilized for the supply of the backup power for a short period of time, for example, for a few 100ms, an overload capacity of this winding, of lines and the feed units.
  • Power distribution network such as a local low-voltage network
  • another power distribution network such as a medium-voltage network
  • a medium voltage switch can be provided, which is also controlled by the control unit. This makes it possible - depending on the network status and the feed conditions - to delay an undervoltage release as required.
  • the Fig. Shows a network compensation arrangement 1 for a local, by different energy producers 5, 6, 7 with electrical energy (active / support power 34) powered low-voltage network 2 for the continuous correction of network disturbances and dynamic support of the low-voltage network.
  • FIG. 1 shows one of these power generators, a gas-fired internal combustion engine generator unit 5, closer; two white ⁇ tere power generators 6, 7 are schematically illustrated - and other types of internal combustion engine-generator units, such as diesel-powered internal combustion engine-generator units, or other types of energy sources may be.
  • the gas-fueled internal combustion engine-generator unit 5 combinatorial ⁇ defined a gas fueled internal combustion engine 17 to a generator 18. Both the gas-powered internal combustion engine 17 and the generator 18 by means of a respective control unit, here a / a motor control / management 19 and
  • Each energy generator 5, 6, 7 is, as the FIG. Shows, connected to the low-voltage network 2 by means of a controllable switch 8.
  • an internal combustion engine generator unit such as a power inertia of the fuel of the internal combustion engine and / or inertia ro ⁇ animal components of the internal combustion engine generator unit (dynamic effects)
  • the internal combustion engine generator unit deviates from target speeds (Ist produces acute) rotational speeds of the engine power, which interferes with the Energyvertei ⁇ lung network, here the low voltage grid 2, affect -.
  • network disturbances occur, which in turn causes a load or discharge of the internal combustion engine generator unit.
  • network faults network and / or energy producers
  • the low-voltage network 2 can be dynamically supported.
  • the power compensation arrangement 1 comprises, as shown by the Fig., A static input / feedback unit (hereinafter referred to as A ⁇ feedback unit) 3 and a measuring, regulating and control unit, a so-called "Local Grid Controller” (LGC), 4 to .
  • the Einschspeisetechnik 3 and the LGC 4 are such MITEI ⁇ Nander coupled to the Einschreibspeisetechnik 3 - in the context of an intelligent power / energy management (for the Low voltage network 2) - can be controlled by the LGC 4.
  • the LGC 4 is, as the figure also shows, connected via a connection line 21 to the low-voltage network 2, whereby the LGC 4 - by means of or equipped with a corresponding measuring electronics 22 - the current Netzistzu- state of the low-voltage network 2,
  • the electrical quantities ⁇ voltage U, current I and frequency F, detected are, as the figure also shows, connected via a connection line 21 to the low-voltage network 2, whereby the LGC 4 - by means of or equipped with a corresponding measuring electronics 22 - the current Netzistzu- state of the low-voltage network 2,
  • the electrical quantities ⁇ voltage U, current I and frequency F detected.
  • the LGC 4 is able to detect any kind of network failure in the low voltage network 2.
  • the LGC 4 is further arranged so as in depen ⁇ dependence of the detected NetzistGras - ment the Ein Wegspeisetechnik 3 and the power / energy management, described in more detail below, controls - or of the actual target comparison - and an optionally detected network fault ,
  • the LGC 4 "coordinates" / manages - as a central control unit - the overall system explained here with all its units (generator-transmitter storage units), in particular the feed-in power unit 3 and its energy / power management, depending on the state of the low-voltage network 2, to compensate for local faults dynamically, quickly and / or shock-free as also to protect the components of the overall system or of the generator-transformer-SpeI ⁇ cherajien from damage due to a limit violation.
  • the feed-in supply unit 3 is, as the figure shows, coupled by means of a controllable switch 8 - at the energy transfer point / feed 9 to the low-voltage network 2.
  • the Einschspeisetechnik 3 has, as shown in FIG clarified., An operable in two quantum operating line-commutated inverter 10 based fast switching ho Halblei ⁇ ter, a so-called "Local Grid inverter” (LGI), as well as an interconnected with the LGI 10 DC link 11 (in Hereinafter also referred to only as DC circuit) on.
  • LGI Local Grid inverter
  • LGI 10 is intended to be able to dine equal ⁇ current intermediate circuit 11 with energy as well as to draw energy from the DC link. 11 Likewise, the LGI 10 is intended to be able - on the feeder ⁇ point 9 - to draw power from the low-voltage network 2, such as feeding and energy in the low-voltage network 2 (back) (active energy, backup power 34) and reactive power 33 (to maintain of the line current) in the low-voltage network ⁇ 2, ie, a network-side shift of electrical quantities, in particular of current and voltage to cause to one another.
  • the low-voltage network 2 such as feeding and energy in the low-voltage network 2 (back) (active energy, backup power 34) and reactive power 33 (to maintain of the line current) in the low-voltage network ⁇ 2, ie, a network-side shift of electrical quantities, in particular of current and voltage to cause to one another.
  • energy storage modules 14, 15, in this case a Li battery 14, are provided for the purpose of energy conversion into a chemical or mechanical energy form and corresponding storage of this energy via DC-DC converters 12, 13 and a flywheel storage 15, connected to the DC intermediate circuit 11.
  • Such thermal, chemical and mechanical Energypei ⁇ cher such as the illustrated Li-battery 14 and the flywheel ⁇ rad Grande 15, are characterized by aging effects as well as their charge and discharge in the time range of - greater - several milliseconds done.
  • the DC intermediate circuit 11 is connected to an electrical (here also as a physical) termed energy storage 16, here a capacitor, connected.
  • Such electrical or physical energy storage such as the capacitor 16, allow - in contrast / difference to the thermal, chemical and mechanical energy storage - highly dynamic, short-term, i. in the range of one or more milliseconds, and resistant to aging a charge and discharge.
  • the energy transport is subject to reaction times.
  • the selected energy storage device 14, 15 are therefore selected according to the required reaction time, arranged - and ent ⁇ talking by the intelligent power management coordinates (by the LGC) to cover in combination the required reaction time range for the network disturbances.
  • the energy charge of the physical energy storage 16 in the DC intermediate circuit 11 is forced by the setpoint input ⁇ / DC link voltage.
  • the charge state of the chemical and mechanical energy ⁇ memory 14, 15 is monitored by the LGC 4 accordingly and controlled so that the state of charge is maintained at about 80% - 90%.
  • the energy charging of the chemical and mechanical energy storage means 14, 15 may - controllable by the LGC 4 - by - a preceding interference-free operation - the gas fueled internal combustion engine-generator unit 5 - (not shown) or a ande ⁇ ren energy source such as operated from a waste heat converter unit ( Exhaust microturbine) or those based on renewable energies, or even over the
  • Low-voltage network 2 (and LGI 10) itself (on the preferred ⁇ 80% - 90% charge state) take place.
  • a charge of the energy accumulator 16 over a specified voltage limit, is connected by an insert of a sharkdyna ⁇ mix at the DC intermediate circuit 11
  • the LGC 4 For controlling and controlling the participating generator-transformer storage units in the context of power / energy management, the LGC 4, as the figure illustrates, with a model 23 of the generator-transformer storage units, as well as with a process image archive 24th containing operating cases of the involved generator-transmitter storage units.
  • reactions of the participating generator-transmitter storage units are determined and coordinated, so that the entire system with all participants bumplessly and dynamically in an appropriate manner
  • the gas-fueled internal combustion engine-generator unit 5 is relieved by this control of the LGC within the power / energy management of not contributing to the effective power flows.
  • the control units 19, 20 from the gas-powered internal combustion engine 17 and the generator 18 depending on requirements of the low-voltage network 2 coordinated control technology, so (for example) deviations of the gas-powered engine 17 from the current operating point or energy ⁇ peaks in Form of overspeeds in the gas-powered internal combustion engine 17 by appropriately influencing the ignition, ignition timing and fuel mixture preparation (engine management) intercept dynamically.
  • the LGC 4 also controls the feed-in feed unit 3 in such a way that in a statically steady feed state of the gas-operated internal combustion engine generator unit 5, no influence is exerted on the shape of the electrical variables.
  • the feed-in supply unit 3 can be deactivated or switched to stand-by mode maral ⁇ tet.
  • the LGC 4 controls the reactive power (discharge / intake) 33 or the active / backup power (discharge / intake) 34 of the feed-in feeding unit 3 at the feed point 9 such that the control unit 20 of the generator 18 detects no deviation from the operating conditions and the control units 19, 20 cause no control activities or no fault detection and deactivation in the gas-powered internal combustion engine generator unit 5.
  • the local low-voltage network 2 is further coupled via a connection / line 29 to a medium-voltage network 27.
  • a medium voltage switch 28 is arranged, which is also controlled by the LGC 4.
  • FIG. An alternative solution Energyeinspei ⁇ 30 of Einschspeisetechnik third
  • the feed-in supply device 3 feeds, as the FIG. Illustrates, a potential-free auxiliary winding (reactive power winding) of a transformer 32 having a higher voltage.
  • This winding is designed according to a required duration Blindleis ⁇ tion.
  • the overload capacity of this winding, of lines and the feed-in power unit 3 is exploited.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

L'invention concerne un système de gestion de puissance dans un réseau de distribution d'énergie, un procédé de gestion de puissance dans un réseau de distribution d'énergie ainsi qu'un système de mise en œuvre du procédé pour assurer la gestion de puissance dans un réseau de distribution d'énergie. L'invention vise à permettre une correction continue et une assistance dynamique d'un réseau de distribution d'énergie (2) ou dans un réseau de distribution d'énergie (2). A cet effet, il est prévu une unité d'alimentation et de retour (3) ainsi qu'une unité de commande (4). L'unité de commande (4) est conçue de manière à détecter un état réel présent du réseau et à fournir de l'énergie ou à en prélever en fonction de l'état réel du réseau (fourniture d'énergie/prélèvement d'énergie, alimentation en énergie/retour) de l'unité d'alimentation/ de retour (3)
EP13706198.2A 2012-06-22 2013-02-13 Gestion de puissance dans un réseau de distribution d'énergie Withdrawn EP2865065A2 (fr)

Applications Claiming Priority (2)

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DE202012006090U DE202012006090U1 (de) 2012-06-22 2012-06-22 Anordnung mit einer statischen Ein-/Rückspeiseeinheit und mit einer Verbrennungsmotor-Generatoreinheit
PCT/EP2013/052821 WO2013189613A2 (fr) 2012-06-22 2013-02-13 Gestion de puissance dans un réseau de distribution d'énergie

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DE (1) DE202012006090U1 (fr)
IN (1) IN2014DN09972A (fr)
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FR3023429A1 (fr) * 2014-07-02 2016-01-08 Schneider Electric Ind Sas Equipement modulaire de tele-conduite
DE102018212345A1 (de) * 2018-07-25 2020-01-30 Robert Bosch Gmbh Verfahren zum Abgleich einer Messeinrichtung in einem Kraftfahrzeug

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CN104412483A (zh) 2015-03-11
RU2014150866A (ru) 2016-08-10
DE202012006090U1 (de) 2012-08-31
US10063054B2 (en) 2018-08-28
US20150155714A1 (en) 2015-06-04
WO2013189613A2 (fr) 2013-12-27
RU2632212C2 (ru) 2017-10-03
ZA201408175B (en) 2015-12-23
WO2013189613A3 (fr) 2014-08-14
BR112014031173A2 (pt) 2017-06-27
IN2014DN09972A (fr) 2015-08-14

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