CN205489538U - Economize on electricity energy storage type dynamic reactive power compensation device - Google Patents
Economize on electricity energy storage type dynamic reactive power compensation device Download PDFInfo
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- CN205489538U CN205489538U CN201620024812.4U CN201620024812U CN205489538U CN 205489538 U CN205489538 U CN 205489538U CN 201620024812 U CN201620024812 U CN 201620024812U CN 205489538 U CN205489538 U CN 205489538U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Economize on electricity energy storage type dynamic reactive power compensation device. The utility model relates to an economize on electricity energy storage type dynamic reactive power compensation device. Controller transmission signal to frequency control ware and dynamic reactive compensation ware, the frequency control ware include the energy storage unit, energy storage unit connection to PCS power conversion system's public dc bus, PCS power conversion system's the parallelly connected multiunit PCS power conversion module of public dc bus, the PCS power conversion module between parallelly connected, the frequency control ware pass through isolation transformer T1 and connect the commercial power, the dynamic reactive compensation ware include the TSC reactive compensation main line, the TSC reactive compensation main line between parallelly connected, the dynamic reactive compensation ware connect the commercial power, the controller mainly constitute by detecting element, the control unit, protected location. The utility model is used for dynamic reactive compensation.
Description
Technical field
This utility model relates to a kind of power saving energy storage type dynamic reactive compensation device.
Background technology
Continuous expansion along with power system scale, NETWORK STRUCTURE PRESERVING POWER SYSTEM becomes increasingly complex, the particularly performance indications of every quality of power supply such as system stability, transmission capacity, power factor also become particularly important, owing to power electronic product is in real-life extensive application, and the Rapid Variable Design of load causes voltage fluctuation and flicker in power system, reactive-load compensation problem is caused to have become as the problem that industry, business and folk power supply system must solve；Therefore, the reactive power needed for reactive-load compensation and the combination both electricity-saving energy-storage can provide for system and active power, it is achieved system high efficiency is energy-conservation.
Summary of the invention
The purpose of this utility model is to provide a kind of power saving energy storage type dynamic reactive compensation device, it is ensured that power factor meets setting requirement all the time, can complete whole measurement process at a cycle, controller guarantees that silicon control zero-cross triggers, realize switching capacitance without impact, no-flashy-flow, without transient process.Meanwhile, utilize energy-storage system to realize load electricity consumption translation on time coordinate, optimize sharing of load, reduce electric cost.
Above-mentioned purpose is realized by following technical scheme:
A kind of power saving energy storage type dynamic reactive compensation device, its composition includes: energy-storage units, isolating transformer, controller, described controller transmission signal is to power governor and dynamic reactive compensator, described power governor includes described energy-storage units, described energy-storage units is connected to the common DC bus of PCS power conversion system, organizing PCS power conversion modules the common DC bus parallel connection of described PCS power conversion system more, parallel connection between described PCS power conversion modules, described power governor connects civil power by isolating transformer T1；Described dynamic reactive compensator includes TSC reactive-load compensation secondary distributor road, and in parallel between described TSC reactive-load compensation secondary distributor road, described dynamic reactive compensator connects civil power；Described controller is mainly made up of detector unit, control unit, protected location.
Described power saving energy storage type dynamic reactive compensation device, described TSC reactive-load compensation secondary distributor road includes that three-phase three-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase three-wire system, star connect mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, connection delta mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase three-wire system, connection delta mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, two IGCT inverse parallels are at angle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, IGCT and diode inverse parallel are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor star connect mode, biphase controlled architecture reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, biphase controlled architecture reactive-load compensation secondary distributor road；Or three-phase three-wire system, two IGCT inverse parallel connection delta modes, capacitor are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, IGCT three VT3 corner connection mode, capacitor are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase four-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase four-wire system, star connect mode, IGCT and the diode Passively compensated secondary distributor road of inverse parallel structure.
Described power saving energy storage type dynamic reactive compensation device, described three-phase three-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads include unidirectional thyristor, electric capacity, inductance, described secondary distributor road includes that three branch circuit parallel connections that structure is identical, a described branch road are series capacitance after inductance two IGCT inverse parallels of series connection；
Three-phase three-wire system, star connect mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road, and described secondary distributor road includes three branch circuit parallel connections that structure is identical, and described branch road is series capacitance after inductance series thyristor and diode inverse parallel；
Three-phase three-wire system, connection delta mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, branch road 33 described in parallel connection after branch road 22 described in described branch road 1 series connection, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, and described branch road 1 is connected series capacitance after two IGCT inverse parallels for inductance；
Three-phase three-wire system, connection delta mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, branch road 33 described in parallel connection after branch road 22 described in described branch road 1 series connection, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, and described branch road is series inductance after inductance series thyristor and diode inverse parallel.
Described power saving energy storage type dynamic reactive compensation device, described three-phase three-wire system, capacitor connection delta mode, two IGCT inverse parallels are at angle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, described branch road 1, branch road 22 is the most identical with the structure of branch road 33, series capacitance C1 between described branch road 1 and branch road 22, series capacitance C2 between described branch road 22 and branch road 33, described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again, described branch road 1 is inductance two IGCT inverse parallels of series connection.
Three-phase three-wire system, capacitor connection delta mode, IGCT and diode inverse parallel are at triangle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, series capacitance C1 between described branch road 1 and branch road 22, series capacitance C2 between described branch road 22 and branch road 33, described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again, described branch road 1 is inductance series thyristor and diode inverse parallel；
Three-phase three-wire system, capacitor star connect mode, biphase controlled architecture reactive-load compensation secondary distributor road；Described secondary distributor road includes branch road 1, branch road 22 and branch road 33, and described branch road 1 is the most identical with the structure of branch road 22, and described branch road 1 is connected series inductance after two IGCT inverse parallels for inductance, and described branch road 33 is inductance series capacitance；
Three-phase three-wire system, capacitor connection delta mode, biphase controlled architecture reactive-load compensation secondary distributor road, described described secondary distributor road includes branch road 1, branch road 22 and branch road 33, series capacitance C1 between described branch road 1 and branch road 22, series capacitance C2 between described branch road 22 and branch road 33, described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again, described branch road 1 is the most identical with the structure of branch road 22, described branch road 1 is inductance two IGCT inverse parallels of series connection, and described branch road 33 is inductance series capacitance.
Described power saving energy storage type dynamic reactive compensation device, described three-phase three-wire system, two IGCT inverse parallel connection delta modes, capacitor is at triangle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, described branch road 1, branch road 22 is the most identical with the structure of branch road 33, connect between described branch road 1 and branch road 22 antiparallel two thyristor groups 1, connect between described branch road 22 and branch road 33 antiparallel two thyristor groups 26, described antiparallel two thyristor groups 1 are antiparallel two thyristor groups 37 the most in parallel after connecting with described antiparallel two thyristor groups 26, described branch road 1 is inductance series capacitance；
Described three-phase three-wire system, IGCT three VT3 corner connection mode, capacitor are at triangle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, series thyristor one VT1 between described branch road 1 and branch road 22, series thyristor two VT2 between described branch road 22 and branch road 33, described IGCT one VT1 connect with described IGCT two VT2 after parallel thyristors three VT3 again, described branch road 1 is inductance series capacitance；
Described three-phase four-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads, described secondary distributor road includes branch road 1, branch road 22, branch road 33 and branch road 44, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, and described branch road 1 is series capacitance after inductance two IGCT inverse parallels of series connection；
Described three-phase four-wire system, star connect mode, IGCT and the diode Passively compensated secondary distributor road of inverse parallel structure, described secondary distributor road includes branch road 1, branch road 22, branch road 33 and branch road 44, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, and described branch road 1 is connected series capacitance after two IGCT inverse parallels for inductance.
Described power saving energy storage type dynamic reactive compensation device, described PCS power conversion modules includes set of cells, and the level power conversion module that described set of cells two structures in parallel are identical, described level power conversion module includes electric capacity Cdc, described electric capacity CdcDC/AC changer in parallel, described DC/AC changer includes three groups of IGBT module of parallel connection, three groups of described IGBT module include IGBT module 1, IGBT module 2 and IGBT module 3, often organizing described IGBT module is two IGBT module series connection, a line is connected between two IGBT module of described IGBT module 1, b line is connected between two IGBT module of described IGBT module 2, c line is connected between two IGBT module of described IGBT module 3, described a line, described b line connects load respectively with being connected on described c line, described a line, it is all connected with wave filter on described b line and described c line；Or described PCS power conversion modules includes super capacitor group, the level power conversion module that described super capacitor group two structures in parallel are identical, described level power conversion module includes electric capacity Cdc, described electric capacity CdcDC/AC changer in parallel, described DC/AC changer includes three groups of IGBT module of parallel connection, three groups of described IGBT module include IGBT module 1, IGBT module 2 and IGBT module 3, often organizing described IGBT module is two IGBT module series connection, a line is connected between two IGBT module of described IGBT module 1, b line is connected between two IGBT module of described IGBT module 2, c line is connected between two IGBT module of described IGBT module 3, described a line, described b line connects load respectively with being connected on described c line, described a line, it is all connected with wave filter on described b line and described c line.
Described power saving energy storage type dynamic reactive compensation device, described PCS power conversion modules includes set of cells, the level power conversion module that described set of cells one group of structure in parallel is identical, described level power conversion module includes electric capacity Cdc1, described electric capacity Cdc1 parallel connection DC/AC changer, described DC/AC changer includes IGBT module one, described IGBT module one parallel IGBT module two and diode D1, described IGBT module two connects IGBT module three, described IGBT module three parallel IGBT module four and diode D2, the described diode D2 described in diode D1 connection, described electric capacity Cdc1 connects electric capacity Cdc2Described IGBT module one, described IGBT module two, described IGBT module three, described IGBT module four are A group IGBT module with described diode D1, described diode D2, described A group IGBT module parallel B group IGBT module and C group IGBT module；It is connected a line between IGBT module two and described IGBT module three described in A group, it is connected b line between IGBT module two and described IGBT module three described in B group, it is connected c line between IGBT module two and described IGBT module three described in C group, described a line, described b line and described c line are all connected with wave filter, and described a line, described b line connect load respectively with being connected on described c line；Or described PCS power conversion modules includes super capacitor group, the level power conversion module that described super capacitor group one group of structure in parallel is identical, described level power conversion module includes electric capacity Cdc1, described electric capacity Cdc1 parallel connection DC/AC changer, described DC/AC changer includes IGBT module one, described IGBT module one parallel IGBT module two and diode D1, described IGBT module two connects IGBT module three, described IGBT module three parallel IGBT module four and diode D2, the described diode D2 described in diode D1 connection, described electric capacity Cdc1 connects electric capacity Cdc2Described IGBT module one, described IGBT module two, described IGBT module three, described IGBT module four are A group IGBT module with described diode D1, described diode D2, described A group IGBT module parallel B group IGBT module and C group IGBT module；It is connected a line between IGBT module two and described IGBT module three described in A group, it is connected b line between IGBT module two and described IGBT module three described in B group, it is connected c line between IGBT module two and described IGBT module three described in C group, described a line, described b line and described c line are all connected with wave filter, and described a line, described b line connect load respectively with being connected on described c line.
Described power saving energy storage type dynamic reactive compensation device, described wave filter is L-type or LCL type or LLCL type or LCLLC type.
Described power saving energy storage type dynamic reactive compensation device, described LCL type wave filter is that one group of capacitances in series is between one group of reactor I and one group of reactor II；Described LCL type wave filter is one group of electric capacity in parallel and one group of reactor II after the parallel connection of one group of reactor I；Described LLCL mode filter is to be connected between transducer side reactor I and network reactor III after one group of resonance secondary distributor road electric capacity harmony shake frequency main line reactor II is connected；Described LCLLC mode filter be one group of resonance secondary distributor road electric capacity II harmonious shake frequency main line reactor II connect again in parallel with filter capacitor I after be connected between transducer side reactor I and network reactor III.
Beneficial effect:
Non-power compensated energy saver the most of the present utility model is to combine the novel comprehensive compensating device without function, energy-saving that the newest fruits in modern power electronic field is developed, integrate dynamic passive compensation and the big function of electricity-saving energy-storage two, become a big innovative product of reactive-load compensation energy-saving field.
2. this utility model power saving energy storage type based on modularized design active filter, it is easy to accomplish system building and capacity upgrading.
3. this utility model has grid-connected discharge and recharge and independent inversion ability, can realize the independent management of charging and discharging of plurality of groups of storage batteries.
4. this utility model reduces network loss and transformer loss, increases load transformer capacity.
5. this utility model changeable islet operation pattern reply AC grid collapses.
6. this utility model efficient PWM algorithm, reduces switching loss.
7. this utility model dual power supply redundancy power supply plan promotes system reliability.
8. this utility model is perfect protection and fault warning system, more safe and reliable.
Accompanying drawing illustrates:
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is that three-phase three-wire system of the present utility model, star connect mode, two IGCT inverse parallel structure reactive-load compensation branch roads.
Accompanying drawing 3 is that three-phase three-wire system of the present utility model, star connect mode, IGCT and diode inverse parallel structure reactive-load compensation branch road.
Accompanying drawing 4 is three-phase three-wire system of the present utility model, corner connection mode, two IGCT inverse parallel structure reactive-load compensation branch roads.
Accompanying drawing 5 is three-phase three-wire system of the present utility model, corner connection mode, IGCT and diode inverse parallel structure reactive-load compensation branch road.
Accompanying drawing 6 is that three-phase three-wire system of the present utility model, capacitor corner connection mode, two IGCT inverse parallels are at angle external structure reactive-load compensation branch road.
Accompanying drawing 7 is that three-phase three-wire system of the present utility model, capacitor corner connection mode, IGCT and diode inverse parallel are at angle external structure reactive-load compensation branch road.
Accompanying drawing 8 is that three-phase three-wire system of the present utility model, capacitor star connect mode, biphase controlled architecture reactive-load compensation branch road.
Accompanying drawing 9 is three-phase three-wire system of the present utility model, capacitor corner connection mode, biphase controlled architecture reactive-load compensation branch road.
Accompanying drawing 10 is that three-phase three-wire system of the present utility model, two IGCT inverse parallel corner connection modes, capacitor are at angle external structure reactive-load compensation branch road.
Accompanying drawing 11 is that three-phase three-wire system of the present utility model, IGCT corner connection mode, capacitor are at angle external structure reactive-load compensation branch road.
Accompanying drawing 12 is that three-phase four-wire system of the present utility model, star connect mode, two IGCT inverse parallel structure reactive-load compensation branch roads.
Accompanying drawing 13 is that three-phase four-wire system of the present utility model, star connect mode, IGCT and the diode Passively compensated branch road of inverse parallel structure.
Accompanying drawing 14 is battery energy storage type two level power conversion module parallel connection type power saving energy storage type dynamic reactive compensation device structural representation of the present utility model.
Accompanying drawing 15 is super capacitor energy storage type two level power conversion module parallel connection type power saving energy storage type dynamic reactive compensation device structural representation of the present utility model.
Accompanying drawing 16 is battery energy storage type three level power conversion module parallel connection type power saving energy storage type dynamic reactive compensation device structural representation of the present utility model.
Accompanying drawing 17 is super capacitor energy storage type three level power conversion module parallel connection type power saving energy storage type dynamic reactive compensation device structural representation of the present utility model.
Accompanying drawing 18 is the structural representation of L-type wave filter of the present utility model.
Accompanying drawing 19 is the structural representation of LCL type wave filter of the present utility model.
Accompanying drawing 20 is the structural representation of LLCL mode filter of the present utility model.
Accompanying drawing 21 is the structural representation of LCLLC mode filter of the present utility model.
Detailed description of the invention:
Embodiment
1
As shown in Figure 1: a kind of power saving energy storage type dynamic reactive compensation device, its composition includes: energy-storage units, isolating transformer, controller, described controller transmission signal is to power governor and dynamic reactive compensator, described power governor includes described energy-storage units, described energy-storage units is connected to the common DC bus of PCS power conversion system, organizing PCS power conversion modules the common DC bus parallel connection of described PCS power conversion system more, parallel connection between described PCS power conversion modules, described power governor connects civil power by isolating transformer T1；Described dynamic reactive compensator includes TSC reactive-load compensation secondary distributor road, and in parallel between described TSC reactive-load compensation secondary distributor road, described dynamic reactive compensator connects civil power；Described controller is mainly made up of detector unit, control unit, protected location.
Embodiment
2
Shown in Fig. 2 ~ 13: the power saving energy storage type dynamic reactive compensation device as described in embodiment 1, described TSC reactive-load compensation secondary distributor road includes that three-phase three-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase three-wire system, star connect mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, connection delta mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase three-wire system, connection delta mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, two IGCT inverse parallels are at angle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, IGCT and diode inverse parallel are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor star connect mode, biphase controlled architecture reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, biphase controlled architecture reactive-load compensation secondary distributor road；Or three-phase three-wire system, two IGCT inverse parallel connection delta modes, capacitor are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, IGCT three VT3 corner connection mode, capacitor are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase four-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase four-wire system, star connect mode, IGCT and the diode Passively compensated secondary distributor road of inverse parallel structure.
Embodiment
3
Shown in Fig. 2,3,4,5: the power saving energy storage type dynamic reactive compensation device as described in embodiment 2, described three-phase three-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads include unidirectional thyristor, electric capacity, inductance, described secondary distributor road includes that three branch circuit parallel connections that structure is identical, a described branch road are series capacitance after inductance two IGCT inverse parallels of series connection；
Three-phase three-wire system, star connect mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road, and described secondary distributor road includes three branch circuit parallel connections that structure is identical, and described branch road is series capacitance after inductance series thyristor and diode inverse parallel；
Three-phase three-wire system, connection delta mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, branch road 33 described in parallel connection after branch road 22 described in described branch road 1 series connection, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, and described branch road 1 is connected series capacitance after two IGCT inverse parallels for inductance；
Three-phase three-wire system, connection delta mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, branch road 33 described in parallel connection after branch road 22 described in described branch road 1 series connection, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, and described branch road is series inductance after inductance series thyristor and diode inverse parallel.
Embodiment
4
Such as Fig. 6, 7, 8, shown in 9: the power saving energy storage type dynamic reactive compensation device described in embodiment 2, described three-phase three-wire system, capacitor connection delta mode, two IGCT inverse parallels are at angle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, described branch road 1, branch road 22 is the most identical with the structure of branch road 33, series capacitance C1 between described branch road 1 and branch road 22, series capacitance C2 between described branch road 22 and branch road 33, described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again, described branch road 1 is inductance two IGCT inverse parallels of series connection.
Three-phase three-wire system, capacitor connection delta mode, IGCT and diode inverse parallel are at triangle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, series capacitance C1 between described branch road 1 and branch road 22, series capacitance C2 between described branch road 22 and branch road 33, described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again, described branch road 1 is inductance series thyristor and diode inverse parallel；
Three-phase three-wire system, capacitor star connect mode, biphase controlled architecture reactive-load compensation secondary distributor road；Described secondary distributor road includes branch road 1, branch road 22 and branch road 33, and described branch road 1 is the most identical with the structure of branch road 22, and described branch road 1 is connected series inductance after two IGCT inverse parallels for inductance, and described branch road 33 is inductance series capacitance；
Three-phase three-wire system, capacitor connection delta mode, biphase controlled architecture reactive-load compensation secondary distributor road, described described secondary distributor road includes branch road 1, branch road 22 and branch road 33, series capacitance C1 between described branch road 1 and branch road 22, series capacitance C2 between described branch road 22 and branch road 33, described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again, described branch road 1 is the most identical with the structure of branch road 22, described branch road 1 is inductance two IGCT inverse parallels of series connection, and described branch road 33 is inductance series capacitance.
Embodiment
5
Such as Figure 10, 11, 12, shown in 13: the power saving energy storage type dynamic reactive compensation device described in embodiment 2, described three-phase three-wire system, two IGCT inverse parallel connection delta modes, capacitor is at triangle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, described branch road 1, branch road 22 is the most identical with the structure of branch road 33, connect between described branch road 1 and branch road 22 antiparallel two thyristor groups 1, connect between described branch road 22 and branch road 33 antiparallel two thyristor groups 26, described antiparallel two thyristor groups 1 are antiparallel two thyristor groups 37 the most in parallel after connecting with described antiparallel two thyristor groups 26, described branch road 1 is inductance series capacitance；
Described three-phase three-wire system, IGCT three VT3 corner connection mode, capacitor are at triangle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road 1, branch road 22 and branch road 33, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, series thyristor one VT1 between described branch road 1 and branch road 22, series thyristor two VT2 between described branch road 22 and branch road 33, described IGCT one VT1 connect with described IGCT two VT2 after parallel thyristors three VT3 again, described branch road 1 is inductance series capacitance；
Described three-phase four-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads, described secondary distributor road includes branch road 1, branch road 22, branch road 33 and branch road 44, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, and described branch road 1 is series capacitance after inductance two IGCT inverse parallels of series connection；
Described three-phase four-wire system, star connect mode, IGCT and the diode Passively compensated secondary distributor road of inverse parallel structure, described secondary distributor road includes branch road 1, branch road 22, branch road 33 and branch road 44, described branch road 1, branch road 22 are the most identical with the structure of branch road 33, and described branch road 1 is connected series capacitance after two IGCT inverse parallels for inductance.
Embodiment
6
Such as Figure 14, shown in 15: the power saving energy storage type dynamic reactive compensation device as described in embodiment 1, described PCS power conversion modules includes set of cells, the level power conversion module that described set of cells two structures in parallel are identical, described level power conversion module includes electric capacity Cdc, described electric capacity Cdc parallel connection DC/AC changer, described DC/AC changer includes three groups of IGBT module of parallel connection, three groups of described IGBT module include IGBT module 1, IGBT module 2 and IGBT module 3, often organizing described IGBT module is two IGBT module series connection, a line is connected between two IGBT module of described IGBT module 1, b line is connected between two IGBT module of described IGBT module 2, c line is connected between two IGBT module of described IGBT module 3, described a line, described b line connects load respectively with being connected on described c line, described a line, it is all connected with wave filter on described b line and described c line；Or described PCS power conversion modules includes super capacitor group, the level power conversion module that described super capacitor group two structures in parallel are identical, described level power conversion module includes electric capacity Cdc, described electric capacity CdcDC/AC changer in parallel, described DC/AC changer includes three groups of IGBT module of parallel connection, three groups of described IGBT module include IGBT module 1, IGBT module 2 and IGBT module 3, often organizing described IGBT module is two IGBT module series connection, a line is connected between two IGBT module of described IGBT module 1, b line is connected between two IGBT module of described IGBT module 2, c line is connected between two IGBT module of described IGBT module 3, described a line, described b line connects load respectively with being connected on described c line, described a line, it is all connected with wave filter on described b line and described c line.
Embodiment
7
Such as Figure 16, shown in 17: the power saving energy storage type dynamic reactive compensation device described in embodiment 1, described PCS power conversion modules includes set of cells, the level power conversion module that described set of cells one group of structure in parallel is identical, described level power conversion module includes electric capacity Cdc1, described electric capacity Cdc1 parallel connection DC/AC changer, described DC/AC changer includes IGBT module one, described IGBT module one parallel IGBT module two and diode D1, described IGBT module two connects IGBT module three, described IGBT module three parallel IGBT module four and diode D2, the described diode D2 described in diode D1 connection, described electric capacity Cdc1 connects electric capacity Cdc2Described IGBT module one, described IGBT module two, described IGBT module three, described IGBT module four are A group IGBT module with described diode D1, described diode D2, described A group IGBT module parallel B group IGBT module and C group IGBT module；It is connected a line between IGBT module two and described IGBT module three described in A group, it is connected b line between IGBT module two and described IGBT module three described in B group, it is connected c line between IGBT module two and described IGBT module three described in C group, described a line, described b line and described c line are all connected with wave filter, and described a line, described b line connect load respectively with being connected on described c line；Or described PCS power conversion modules includes super capacitor group, the level power conversion module that described super capacitor group one group of structure in parallel is identical, described level power conversion module includes electric capacity Cdc1, described electric capacity Cdc1 parallel connection DC/AC changer, described DC/AC changer includes IGBT module one, described IGBT module one parallel IGBT module two and diode D1, described IGBT module two connects IGBT module three, described IGBT module three parallel IGBT module four and diode D2, the described diode D2 described in diode D1 connection, described electric capacity Cdc1 connects electric capacity Cdc2Described IGBT module one, described IGBT module two, described IGBT module three, described IGBT module four are A group IGBT module with described diode D1, described diode D2, described A group IGBT module parallel B group IGBT module and C group IGBT module；It is connected a line between IGBT module two and described IGBT module three described in A group, it is connected b line between IGBT module two and described IGBT module three described in B group, it is connected c line between IGBT module two and described IGBT module three described in C group, described a line, described b line and described c line are all connected with wave filter, and described a line, described b line connect load respectively with being connected on described c line.
Embodiment
8
Shown in Figure 18 ~ 21: the power saving energy storage type dynamic reactive compensation device as described in embodiment 6 or 7, described wave filter is L-type or LCL type or LLCL type or LCLLC type.
Embodiment
9
Shown in Figure 18 ~ 21: the power saving energy storage type dynamic reactive compensation device as described in embodiment 8, described LCL type wave filter is that one group of capacitances in series is between one group of reactor I and one group of reactor II；Described LCL type wave filter is one group of electric capacity in parallel and one group of reactor II after the parallel connection of one group of reactor I；Described LLCL mode filter is to be connected between transducer side reactor I and network reactor III after one group of resonance secondary distributor road electric capacity harmony shake frequency main line reactor II is connected；Described LCLLC mode filter be one group of resonance secondary distributor road electric capacity II harmonious shake frequency main line reactor II connect again in parallel with filter capacitor I after be connected between transducer side reactor I and network reactor III.
Certainly; described above is not to restriction of the present utility model; this utility model is also not limited to the example above, change that those skilled in the art are made in essential scope of the present utility model, retrofits, adds or replaces, and also should belong to protection domain of the present utility model.
Claims (9)
1. a power saving energy storage type dynamic reactive compensation device, its composition includes: energy-storage units, isolating transformer, controller, it is characterized in that: described controller transmission signal is to power governor and dynamic reactive compensator, described power governor includes described energy-storage units, described energy-storage units is connected to the common DC bus of PCS power conversion system, organizing PCS power conversion modules the common DC bus parallel connection of described PCS power conversion system more, parallel connection between described PCS power conversion modules, described power governor connects civil power by isolating transformer T1；Described dynamic reactive compensator includes TSC reactive-load compensation secondary distributor road, and in parallel between described TSC reactive-load compensation secondary distributor road, described dynamic reactive compensator connects civil power；Described controller is mainly made up of detector unit, control unit, protected location.
Power saving energy storage type dynamic reactive compensation device the most according to claim 1, is characterized in that: described TSC reactive-load compensation secondary distributor road includes that three-phase three-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase three-wire system, star connect mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, connection delta mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase three-wire system, connection delta mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, two IGCT inverse parallels are at angle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, IGCT and diode inverse parallel are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor star connect mode, biphase controlled architecture reactive-load compensation secondary distributor road；Or three-phase three-wire system, capacitor connection delta mode, biphase controlled architecture reactive-load compensation secondary distributor road；Or three-phase three-wire system, two IGCT inverse parallel connection delta modes, capacitor are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase three-wire system, IGCT three VT3 corner connection mode, capacitor are at triangle external structure reactive-load compensation secondary distributor road；Or three-phase four-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads；Or three-phase four-wire system, star connect mode, IGCT and the diode Passively compensated secondary distributor road of inverse parallel structure.
Power saving energy storage type dynamic reactive compensation device the most according to claim 2, it is characterized in that: described three-phase three-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads include unidirectional thyristor, electric capacity, inductance, described secondary distributor road includes that three branch circuit parallel connections that structure is identical, a described branch road are series capacitance after inductance two IGCT inverse parallels of series connection；
Three-phase three-wire system, star connect mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road, and described secondary distributor road includes three branch circuit parallel connections that structure is identical, and described branch road is series capacitance after inductance series thyristor and diode inverse parallel；
Three-phase three-wire system, connection delta mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads, described secondary distributor road includes branch road one (1), branch road two (2) and branch road three (3), branch road two (2) described in described branch road one (1) series connection branch road three (3) described in parallel connection afterwards, described branch road one (1), branch road two (2) are the most identical with the structure of branch road three (3), and described branch road one (1) is that inductance is connected series capacitance after two IGCT inverse parallels；
Three-phase three-wire system, connection delta mode, IGCT and diode inverse parallel structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road one (1), branch road two (2) and branch road three (3), branch road two (2) described in described branch road one (1) series connection branch road three (3) described in parallel connection afterwards, described branch road one (1), branch road two (2) are the most identical with the structure of branch road three (3), and described branch road is series inductance after inductance series thyristor and diode inverse parallel.
nullPower saving energy storage type dynamic reactive compensation device the most according to claim 2，It is characterized in that: described three-phase three-wire system、Capacitor connection delta mode、Two IGCT inverse parallels are at angle external structure reactive-load compensation secondary distributor road，Described secondary distributor road includes branch road one (1)、Branch road two (2) and branch road three (3)，Described branch road one (1)、Branch road two (2) is the most identical with the structure of branch road three (3)，Series capacitance C1 between described branch road one (1) and branch road two (2)，Series capacitance C2 between described branch road two (2) and branch road three (3)，Described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again，Described branch road one (1) is inductance two IGCT inverse parallels of series connection，Three-phase three-wire system、Capacitor connection delta mode、IGCT and diode inverse parallel are at triangle external structure reactive-load compensation secondary distributor road，Described secondary distributor road includes branch road one (1)、Branch road two (2) and branch road three (3)，Described branch road one (1)、Branch road two (2) is the most identical with the structure of branch road three (3)，Series capacitance C1 between described branch road one (1) and branch road two (2)，Series capacitance C2 between described branch road two (2) and branch road three (3)，Described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again，Described branch road one (1) is inductance series thyristor and diode inverse parallel；
Three-phase three-wire system, capacitor star connect mode, biphase controlled architecture reactive-load compensation secondary distributor road；Described secondary distributor road includes branch road one (1), branch road two (2) and branch road three (3), described branch road one (1) is the most identical with the structure of branch road two (2), described branch road one (1) is that inductance is connected series inductance after two IGCT inverse parallels, and described branch road three (3) is inductance series capacitance；
Three-phase three-wire system, capacitor connection delta mode, biphase controlled architecture reactive-load compensation secondary distributor road, described described secondary distributor road includes branch road one (1), branch road two (2) and branch road three (3), series capacitance C1 between described branch road one (1) and branch road two (2), series capacitance C2 between described branch road two (2) and branch road three (3), described electric capacity C1 connect with described electric capacity C2 after shunt capacitance C3 again, described branch road one (1) is the most identical with the structure of branch road two (2), described branch road one (1) is inductance two IGCT inverse parallels of series connection, described branch road three (3) is inductance series capacitance.
nullPower saving energy storage type dynamic reactive compensation device the most according to claim 2，It is characterized in that: described three-phase three-wire system、Two IGCT inverse parallel connection delta modes、Capacitor is at triangle external structure reactive-load compensation secondary distributor road，Described secondary distributor road includes branch road one (1)、Branch road two (2) and branch road three (3)，Described branch road one (1)、Branch road two (2) is the most identical with the structure of branch road three (3)，Connect between described branch road one (1) and branch road two (2) antiparallel two thyristor groups one (5)，Connect between described branch road two (2) and branch road three (3) antiparallel two thyristor groups two (6)，Described antiparallel two thyristor groups one (5) are antiparallel two thyristor groups three (7) the most in parallel after connecting with described antiparallel two thyristor groups two (6)，Described branch road one (1) is inductance series capacitance；
Described three-phase three-wire system, IGCT three VT3 corner connection mode, capacitor is at triangle external structure reactive-load compensation secondary distributor road, described secondary distributor road includes branch road one (1), branch road two (2) and branch road three (3), described branch road one (1), branch road two (2) is the most identical with the structure of branch road three (3), series thyristor one VT1 between described branch road one (1) and branch road two (2), series thyristor two VT2 between described branch road two (2) and branch road three (3), described IGCT one VT1 connect with described IGCT two VT2 after parallel thyristors three VT3 again, described branch road one (1) is inductance series capacitance；
Described three-phase four-wire system, star connect mode, two IGCT inverse parallel structure reactive-load compensation secondary distributor roads, described secondary distributor road includes branch road one (1), branch road two (2), branch road three (3) and branch road four (4), described branch road one (1), branch road two (2) are the most identical with the structure of branch road three (3), and described branch road one (1) is series capacitance after inductance two IGCT inverse parallels of series connection；
Described three-phase four-wire system, star connect mode, IGCT and the diode Passively compensated secondary distributor road of inverse parallel structure, described secondary distributor road includes branch road one (1), branch road two (2), branch road three (3) and branch road four (4), described branch road one (1), branch road two (2) are the most identical with the structure of branch road three (3), and described branch road one (1) is that inductance is connected series capacitance after two IGCT inverse parallels.
Power saving energy storage type dynamic reactive compensation device the most according to claim 1, it is characterized in that: described PCS power conversion modules includes set of cells, the level power conversion module that described set of cells two structures in parallel are identical, described level power conversion module includes electric capacity Cdc, described electric capacity CdcDC/AC changer in parallel, described DC/AC changer includes three groups of IGBT module of parallel connection, three groups of described IGBT module include IGBT module 1, IGBT module 2 and IGBT module 3, often organizing described IGBT module is two IGBT module series connection, a line is connected between two IGBT module of described IGBT module 1, b line is connected between two IGBT module of described IGBT module 2, c line is connected between two IGBT module of described IGBT module 3, described a line, described b line connects load respectively with being connected on described c line, described a line, it is all connected with wave filter on described b line and described c line；Or described PCS power conversion modules includes super capacitor group, the level power conversion module that described super capacitor group two structures in parallel are identical, described level power conversion module includes electric capacity Cdc, described electric capacity CdcDC/AC changer in parallel, described DC/AC changer includes three groups of IGBT module of parallel connection, three groups of described IGBT module include IGBT module 1, IGBT module 2 and IGBT module 3, often organizing described IGBT module is two IGBT module series connection, a line is connected between two IGBT module of described IGBT module 1, b line is connected between two IGBT module of described IGBT module 2, c line is connected between two IGBT module of described IGBT module 3, described a line, described b line connects load respectively with being connected on described c line, described a line, it is all connected with wave filter on described b line and described c line.
nullPower saving energy storage type dynamic reactive compensation device the most according to claim 1，It is characterized in that: described PCS power conversion modules includes set of cells，The level power conversion module that described set of cells one group of structure in parallel is identical，Described level power conversion module includes electric capacity Cdc1，Described electric capacity Cdc1 parallel connection DC/AC changer，Described DC/AC changer includes IGBT module one，Described IGBT module one parallel IGBT module two and diode D1，Described IGBT module two connects IGBT module three，Described IGBT module three parallel IGBT module four and diode D2，The described diode D2 described in diode D1 connection，Described electric capacity Cdc1 connects electric capacity Cdc2，Described IGBT module one、Described IGBT module two、Described IGBT module three、Described IGBT module four and described diode D1、Described diode D2 is A group IGBT module，Described A group IGBT module parallel B group IGBT module and C group IGBT module；It is connected a line between IGBT module two and described IGBT module three described in A group, it is connected b line between IGBT module two and described IGBT module three described in B group, it is connected c line between IGBT module two and described IGBT module three described in C group, described a line, described b line and described c line are all connected with wave filter, and described a line, described b line connect load respectively with being connected on described c line；nullOr described PCS power conversion modules includes super capacitor group，The level power conversion module that described super capacitor group one group of structure in parallel is identical，Described level power conversion module includes electric capacity Cdc1，Described electric capacity Cdc1 parallel connection DC/AC changer，Described DC/AC changer includes IGBT module one，Described IGBT module one parallel IGBT module two and diode D1，Described IGBT module two connects IGBT module three，Described IGBT module three parallel IGBT module four and diode D2，The described diode D2 described in diode D1 connection，Described electric capacity Cdc1 connects electric capacity Cdc2，Described IGBT module one、Described IGBT module two、Described IGBT module three、Described IGBT module four and described diode D1、Described diode D2 is A group IGBT module，Described A group IGBT module parallel B group IGBT module and C group IGBT module；It is connected a line between IGBT module two and described IGBT module three described in A group, it is connected b line between IGBT module two and described IGBT module three described in B group, it is connected c line between IGBT module two and described IGBT module three described in C group, described a line, described b line and described c line are all connected with wave filter, and described a line, described b line connect load respectively with being connected on described c line.
8. according to the power saving energy storage type dynamic reactive compensation device described in claim 6 or 7, it is characterized in that: described wave filter is L-type or LCL type or LLCL type or LCLLC type.
Power saving energy storage type dynamic reactive compensation device the most according to claim 8, is characterized in that: described LCL type wave filter is that one group of capacitances in series is between one group of reactor I and one group of reactor II；Described LCL type wave filter is one group of electric capacity in parallel and one group of reactor II after the parallel connection of one group of reactor I；Described LLCL mode filter is to be connected between transducer side reactor I and network reactor III after one group of resonance secondary distributor road electric capacity harmony shake frequency main line reactor II is connected；Described LCLLC mode filter be one group of resonance secondary distributor road electric capacity II harmonious shake frequency main line reactor II connect again in parallel with filter capacitor I after be connected between transducer side reactor I and network reactor III.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092279A (en) * | 2017-12-22 | 2018-05-29 | 国网山东省电力公司滨州供电公司 | A kind of device for comprehensively compensating reactive power harmonics of electric power system |
| CN108964080A (en) * | 2018-08-15 | 2018-12-07 | 武汉世纪精能科技发展有限公司 | TSC operation/cutting method, terminal device and computer readable storage medium |
| CN112477690A (en) * | 2020-11-13 | 2021-03-12 | 太原理工大学 | Energy dynamic distribution and optimization control device for new energy automobile driving system |
| CN112531747A (en) * | 2020-11-05 | 2021-03-19 | 上海红檀智能科技有限公司 | Energy storage and reactive compensation coordination control system and method |
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2016
- 2016-01-12 CN CN201620024812.4U patent/CN205489538U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092279A (en) * | 2017-12-22 | 2018-05-29 | 国网山东省电力公司滨州供电公司 | A kind of device for comprehensively compensating reactive power harmonics of electric power system |
| CN108964080A (en) * | 2018-08-15 | 2018-12-07 | 武汉世纪精能科技发展有限公司 | TSC operation/cutting method, terminal device and computer readable storage medium |
| CN112531747A (en) * | 2020-11-05 | 2021-03-19 | 上海红檀智能科技有限公司 | Energy storage and reactive compensation coordination control system and method |
| CN112477690A (en) * | 2020-11-13 | 2021-03-12 | 太原理工大学 | Energy dynamic distribution and optimization control device for new energy automobile driving system |
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