CN205791763U - Electric power system and wind power generating set - Google Patents
Electric power system and wind power generating set Download PDFInfo
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- CN205791763U CN205791763U CN201620570212.8U CN201620570212U CN205791763U CN 205791763 U CN205791763 U CN 205791763U CN 201620570212 U CN201620570212 U CN 201620570212U CN 205791763 U CN205791763 U CN 205791763U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model discloses a kind of electric power system and wind power generating set, described electric power system includes power supply circuits and secondary power system, power supply circuits include the first line and branch switch, first line connects secondary power system by branch switch, power supply circuits also include power conversion module and input switch for power supply carries out voltage stabilizing process, and the first line connects secondary power system by power conversion module and input switch；Power supply circuits also include for during when the first line exception being the spare line powered of secondary power system.This utility model carries out voltage stabilizing process by power conversion module to civil power, has isolated interference and the pollution of utility grid, improves power supply quality and the reliability of electric power system；By setting up a spare line for power supply circuits, when the first line exception as backup battery be secondary power system continue power supply, it is ensured that secondary power system continues to run with, and further increases the reliability of electric power system.
Description
Technical field
This utility model relates to electronic technology field, especially relates to a kind of electric power system and wind power generating set.
Background technology
In the electrical apparatus, the control power supply of system provides often by intrasystem accessory power supply, and accessory power supply is made
For the power supply of complete machine control system, being the core of machine system, the power supply quality powered to secondary power system is with reliable
Property directly affects the reliability of machine system.
In prior art, to mainly using below scheme during secondary power system:
1, only have Yi Lu city to supply electricity to secondary power system to power, i.e. secondary power system Zhi mono-road civil power power taking；
2, it is supplied to an accessory power supply by a road dc bus the most afterwards by multichannel civil power power taking.
For scheme 1, due to single to the power supply of accessory power supply, when this road city electrical anomaly, will cause accessory power supply without
Method is powered to control system, affects machine system and runs；For scheme 2, due to comprehensive rear DC bus powered by a road, when
When this road dc bus breaks down, then affect whole aircraft reliability.
Meanwhile, aforementioned schemes is all directly to use civil power to power secondary power system, owing to civil power is not stable
Voltage source, electrical network also exists different pollutions, such as overvoltage, under-voltage, surge, transition, spike, harmonic wave etc., therefore can affect electricity consumption
Equipment properly functioning, reduces the stability of equipment.
In sum, power supply quality and the reliability of existing power supply plan are poor, are unfavorable for the normal fortune of electrical equipment
OK.
Utility model content
Main purpose of the present utility model is to provide a kind of electric power system and wind power generating set, it is intended to improve system
Power supply quality and reliability.
To achieve these objectives, this utility model embodiment proposes a kind of electric power system, including power supply circuits and accessory power supply
System, described power supply circuits include the first line and branch switch, and described first line passes through described branch switch
Connect described secondary power system, described power supply circuits also include power conversion module for power supply being carried out voltage stabilizing process and
Input switch, described first line connects described accessory power supply system by described power conversion module and described input switch
System；Described power supply circuits also include being the spare wire powered of described secondary power system when described first line exception
Road.
Further, described spare line is the second line, and described power supply circuits also include on and off switch, described
Described power supply circuits, described first line and described second is accessed after two lines are in parallel with described first line
The outfan of line connects described on and off switch.
Further, described on and off switch is two, and described first line and described second line connect respectively
Connect an on and off switch.
Further, described on and off switch is a single-pole double-throw switch (SPDT), described first line and described second civil power
Circuit connects described on and off switch jointly.
Further, described spare line is uninterrupted power source UPS supply line, and described power supply circuits also include two electricity
Source switch, described UPS supply line connects described secondary power system by an on and off switch and described input switch, and described the
The outfan of one line connects another on and off switch.
Further, described spare line is uninterrupted power source UPS supply line, and described power supply circuits also include two electricity
Source switch, described UPS supply line connects described secondary power system, described first line defeated by an on and off switch
Go out end and connect another on and off switch.
Further, described power conversion module has accumulator.
Further, described power conversion module is UPS, EPS or converter.
Further, described secondary power system includes at least two accessory power supply, and it is auxiliary that described power supply circuits connect each
Help power supply.
Further, described secondary power system includes at least two accessory power supply, described power supply circuits at least two,
Each power supply circuits connects an accessory power supply.
This utility model proposes a kind of wind power generating set simultaneously, and described wind power generating set includes an electric power system, institute
State electric power system and include that power supply circuits and secondary power system, described power supply circuits include the first line and branch switch,
Described first line connects described secondary power system by described branch switch, and described power supply circuits also include for right
Power supply carries out power conversion module and the input switch of voltage stabilizing process, and described first line is by described power conversion module
Described secondary power system is connected with described input switch；Described power supply circuits also include for when described first line different
The spare line that secondary power system described in Chang Shiwei is powered.
A kind of electric power system provided by the utility model, becomes by connecting power supply between civil power and secondary power system
Die change block, is carried out voltage stabilizing process by power conversion module to civil power, has isolated interference and the pollution of utility grid, for accessory power supply
System provides stable, clean power supply, improves power supply quality and the reliability of electric power system.Meanwhile, by electric for power supply
A spare line is set up on road, when the first line exception as backup battery be secondary power system continue power supply, it is ensured that
Load continues to run with, and further increases the reliability of electric power system.
Further, by setting up accumulator in power conversion module, power supply can be passed through when civil power normal power supply
Power supply is backed up by the accumulator of conversion module, when city's electrical anomaly, it is possible to use the electricity of backup in power conversion module
Secondary power system is continued power supply by source, it is ensured that load continues to run with, and further increases the reliability of electric power system.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of electric power system first embodiment of the present utility model；
Fig. 2 is the electrical block diagram of electric power system the second embodiment of the present utility model；
Fig. 3 is the structural representation that the electric power system of this utility model embodiment is applied to current transformer machine system.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this
Utility model.
See Fig. 1, propose electric power system first embodiment of the present utility model, described electric power system include power supply circuits and
Secondary power system, power supply circuits include the first line A1, branch switch K2, power conversion module and input switch K3,
Power conversion module is exported after the power supply providing the first line A1 carries out voltage stabilizing process, the first line
It is that secondary power system is powered that A1 connects two transmission lines in parallel respectively, and the first transmission line is made up of branch switch K2,
Second transmission line is made up of power conversion module and input switch K3.Power conversion module can be uninterrupted power source
(Uninterruptible Power System/Uninterruptible Power Supply, UPS), emergency power supply
(Emergency Power Supply, EPS), converter etc..
Concrete, the first line A1 is connected with secondary power system by branch switch K2, thus by the first biography
Secondary power system is powered by lines.First line A1 is by power conversion module and input switch K3 and accessory power supply
System connects, thus is powered secondary power system by the second transmission line, as it is shown in figure 1, the first line A1, power supply
Conversion module, input switch K3 and secondary power system are sequentially connected with, and alternatively, power conversion module and input switch K3 also may be used
With exchange position, the i.e. first line A1, input switch K3, power conversion module and secondary power system are sequentially connected with.
Secondary power system can only include an accessory power supply.Further, in the present embodiment, secondary power system bag
Include at least two accessory power supply, as it is shown in figure 1, secondary power system includes accessory power supply 1-accessory power supply N the most N number of auxiliary electricity
Source, power supply circuits connect each accessory power supply, when certain or some accessory power supplys is unavailable, nor affect on other auxiliary electricity
Source is continued load (such as control system) power supply, it is ensured that load continues to run with, and improves the reliability of system.This utility model is real
Executing in example, accessory power supply can be with Alternating Current Power Supply, it is also possible to direct current supply, determines according to the load that it is connected.
Further, power conversion module has accumulator, and power conversion module can be by the accumulator of self to auxiliary
Helping power-supply system to power, such as, power conversion module can be UPS.Thus, even if unavailable (the first line A1 of civil power
Abnormal), secondary power system can also be powered by power conversion module, it is ensured that load continues to run with, and improves the reliable of system
Property.
It is further possible to set up an on and off switch K1, the outfan of the first line A1 connects this on and off switch
K1, the i.e. first line A1 connect the first transmission line and the second transmission line respectively by and off switch K1.When power supply becomes
When accessory power supply is powered by die change block by accumulator, can be with disconnecting power switch K1.
Each way switch in the present embodiment can be the switching device such as catalyst, relay, by controlling between each way switch
Logic switch, multiple power supply mode secondary power system is powered.
The specific works process of the electric power system of the present embodiment is as follows:
When the first line A1 is normal, when power conversion module is normal, branch switch K2 disconnects, on and off switch K1 and defeated
Entering to switch K3 Guan Bi, the first line A1 passes through the second transmission line of power conversion module and input switch K3 composition to auxiliary
Power-supply system is helped to power.Owing to power conversion module has carried out voltage stabilizing process to civil power, isolate interference and the dirt of utility grid
Dye, provides stable, clean power supply for secondary power system, improves power supply quality.
When the first line A1 is abnormal, when power conversion module is normal, on and off switch K1 and branch switch K2 disconnects, defeated
Enter to switch K3 Guan Bi, through input switch K3, auxiliary power module is powered after the accumulator inversion of power conversion module, electric power storage
The power supply that pond provides is stable, clean power supply equally.And can continue equally in the case of the first line A1 is abnormal
Continuation of insurance is held and is powered auxiliary power module, it is ensured that load continues to run with.
As the first normal A1 of line, during power conversion module exception, on and off switch K1 and branch switch K2 Guan Bi, defeated
Entering to switch K3 to disconnect, secondary power system is supplied by the first transmission line that the first line A1 consists of branch switch K2
Electricity.
In certain embodiments, power supply circuits can also at least two, corresponding with the quantity of accessory power supply, each
Power supply circuits connect an accessory power supply, thus, in electric power system, any one power supply circuits is or/and accessory power supply is unavailable
Time, all do not interfere with whole system and continue load supplying, further increase the reliability of system.
The electric power system of the present embodiment, by connecting power conversion module, by electricity between civil power and secondary power system
Source conversion module carries out voltage stabilizing process to civil power, has isolated interference and the pollution of utility grid, has provided for secondary power system
Stable, clean power supply, improves power supply quality and the reliability of electric power system.Meanwhile, by increasing in power conversion module
If accumulator, by the accumulator of power conversion module, power supply can be backed up when civil power normal power supply, when civil power is different
Chang Shi, it is possible to use the power supply of backup in power conversion module that secondary power system is continued power supply, it is ensured that load continues fortune
OK, improve the reliability of electric power system.
Further, the present embodiment also has a spare line, and this spare line is abnormal for working as the first line
Shi Zuowei backup battery is that secondary power system continues power supply.
Spare line in the present embodiment is a road line that is second line B1.Second line B1 and
Accessing power supply circuits after one line A1 parallel connection, the i.e. second mains circuit B1 connects the be made up of branch switch K2 the most respectively
One transmission line and the second transmission line being made up of power conversion module and input switch K3.Meanwhile, the first line A1
On and off switch K1 and on and off switch K4, the i.e. first line A1 and second is connected respectively with the outfan of the second line B1
Line B1 connects the first transmission line and the second transmission line by and off switch K1 and on and off switch K4 respectively.At some
In embodiment, on and off switch (K1, K4) can also be a single-pole double-throw switch (SPDT), the first line A1 and the second line
B1 connects on and off switch jointly.
Each way switch in the present embodiment can be the switching device such as catalyst, relay, by controlling between each way switch
Logic switch, Ge Lu supply line and multiple power supply mode secondary power system is powered.
Different lines in the present embodiment, can be the different branch of same road civil power, it is also possible to be three-phase mains
In not isopen branch road.
The present embodiment is using the first line A1 as main line, and the second line B1 is as auxiliary line, the most also
Can be in turn.After being additionally arranged spare line, the specific works process of the electric power system of the present embodiment is as follows:
When the first line A1, the second line B1 and power conversion module are all normal, branch switch K2, power supply
Switch K4 disconnects, and on and off switch K1, input switch K3 close, and the first line A1 passes through power conversion module and input switch
Secondary power system is powered by the second transmission line of K3 composition.
When the first line A1 is abnormal, when the second line B1 and power conversion module are normal, branch switch K2, electricity
Source switch K1 disconnects, and input switch K3, on and off switch K4 close, and the second line B1 is opened by power conversion module and input
Secondary power system is powered by the second transmission line closing K3 composition.
When the first line A1 and the second line B1 is abnormal, when power conversion module is normal, branch switch K2, electricity
Source switch K1, on and off switch K4 disconnect, and input switch K3 closes, (can not also be inverse after the accumulator inversion of power conversion module
Become) through input switch K3, auxiliary power module is powered.Thus, can continue to equally keep right in the case of city's electrical anomaly
Auxiliary power module is powered, it is ensured that load continues to run with.
When the first line A1 and the second line B1 is normal, during power conversion module exception, branch switch K2 and
On and off switch K1 closes, and input switch K3 and on and off switch K4 disconnects, and the first line A1 consists of branch switch K2
Secondary power system is powered by the first transmission line.
When the first line A1 and power conversion module are abnormal, when the second line B1 is normal, branch switch K2 and
On and off switch K4 closes, and input switch K3 and on and off switch K1 disconnects, and the second line B1 consists of branch switch K2
Secondary power system is powered by the first transmission line.
In certain embodiments, power supply circuits can also at least two, corresponding with the quantity of accessory power supply, each
Power supply circuits connect an accessory power supply, thus, when any one power supply circuits of electric power system are or/and accessory power supply is unavailable,
All do not interfere with whole system to continue load supplying, further increase the reliability of system.
Thus, by setting up a road line as spare line for power supply circuits so that two-way line is respectively
Backup, when a road line exception, then switches to another road line to proceed power supply, when all lines are equal
Abnormal, it is also possible to the power supply being continuing with in power conversion module backup proceeds power supply, for the confession of secondary power system
Electricity provides multi-ensuring, further increases the reliability of electric power system.
Alternatively, the power conversion module in the present embodiment can also not have accumulator, and only voltage stabilizing processes function.
See Fig. 2, propose electric power system the second embodiment of the present utility model, described system include three power supply circuits and
One secondary power system, secondary power system includes accessory power supply 1, accessory power supply 2 and accessory power supply 3 totally three auxiliary electricity
Source, each power supply circuits connects an accessory power supply.
In the present embodiment, in three power supply circuits, two of which power supply circuits are identical, and another power supply circuits are different.Two
Identical power supply circuits add another kind of spare line-UPS supply line (C1, C2) on the basis of first embodiment, should
UPS supply line (C1, C2) connects secondary power system by and off switch (K4, K5) and input switch (K3, K7), optional
Ground, this UPS supply line (C1, C2) can also directly pass through on and off switch (K4, K5) and connect secondary power system.Another power supply
Circuit only includes the first line A3 and on and off switch K9, the first line A3 and connects accessory power supply by and off switch K9
System, alternatively it is also possible to omit on and off switch K9.
Different lines in the present embodiment, can be the different branch of same road civil power, it is also possible to be three-phase mains
In not isopen branch road.
In the present embodiment, power conversion module can be unit power supply or combining system, and this power conversion module is preferably
UPS。
Each way switch in the present embodiment can be the switching device such as catalyst, relay, can open by controlling each road
Logic switch between pass, is powered to multiple accessory power supplys by multiple-way supply circuit and power supply mode.
In the present embodiment, when civil power cannot be powered, still directly can be powered by outside UPS supply line, or by
The accumulator inversion of internal power conversion module is powered.Multiple power supply circuits are respectively each accessory power supply and power, even if its
In some power supply circuits or/and during accessory power supply exception, nor affect on the power supply of whole secondary power system.
Civil power is under normal circumstances: civil power is powered to secondary power system by power conversion module, if power conversion module
Break down and cannot power, be then powered directly to secondary power system by civil power, it is ensured that the normal fortune of secondary power system
OK.
Under civil power abnormal conditions: system can give auxiliary electricity by the accumulator of internal power conversion module after inversion
Origin system is powered, until power conversion module is shut down, when the front city power recovery of power conversion module shutdown, civil power is become by power supply
Die change block normal power supply；Or, when being configured with the UPS supply line of outside, can by outside UPS supply line directly to
Secondary power system is powered, it is ensured that secondary power system properly functioning.
The specific works process of the electric power system of the present embodiment is as follows:
When civil power (the first line A1-A3, lower same), power conversion module 1 and power conversion module 2 are all normal,
Accessory power supply 1 is powered after on and off switch K1, power conversion module 1 and input switch K3 by the first line A1；Auxiliary
Power supply 2 is powered after on and off switch K6, power conversion module 2 and input switch K7 by the first line A2；Accessory power supply 3
Powered after on and off switch K9 by the first line A3.
When civil power and power conversion module 2 are normal, and when power conversion module 1 is abnormal, accessory power supply 1 is by first city's electric wire
Road A1 powers after on and off switch K1 and branch switch K2；Accessory power supply 2 by the first line A2 through on and off switch K6,
Power after power conversion module 2 and input switch K7；Accessory power supply 3 is supplied after on and off switch K9 by the first line A3
Electricity.
When civil power and power conversion module 1 are normal, and when power conversion module 2 is abnormal, accessory power supply 1 is by first city's electric wire
Road A1 powers after on and off switch K1, power conversion module 1 and input switch K3；Accessory power supply 2 is by the first line A2
Power after on and off switch K6 and branch switch K8；Accessory power supply 3 is supplied after on and off switch K9 by the first line A3
Electricity.
When civil power is normal, when power conversion module 1 and power conversion module 2 are abnormal, accessory power supply 1 is by the first line
A1 powers after on and off switch K1 and branch switch K2；Accessory power supply 2 by the first line A2 through on and off switch K6 and
Power after branch switch K8；Accessory power supply 3 is powered after on and off switch K9 by the first line A3.
When civil power is abnormal, when power conversion module 1 and power conversion module 2 are normal, accessory power supply 1 is by power conversion mould
The accumulator inversion of block 1 is powered after input switch K3；Accessory power supply 2 is passed through by the accumulator inversion of power conversion module 2
Power after input switch K7；Accessory power supply 3 does not works.
When civil power and power conversion module 1 and power conversion module 2 are all abnormal, accessory power supply 1 is by UPS supply line C1
Accumulator inversion after after on and off switch K4 and input switch K3 power；UPS supply line C2 through on and off switch K5 and
Power after input switch K7；Accessory power supply 3 does not works.
The electric power system of the present embodiment, by setting up UPS supply line as fallback circuit for power supply circuits, both can be straight
Connect from multichannel line and the power taking of UPS supply line, it is also possible to power after civil power being converted by power conversion module,
And can power to secondary power system in line, switching between UPS supply line and power conversion module；Work as power supply
When conversion module has accumulator, even if line is abnormal, it is also possible to powered to secondary power system by accumulator inversion,
Guarantee the properly functioning of secondary power system.And, multiple power supply circuits are respectively each accessory power supply and power, though wherein certain
A little power supply circuits are or/and during accessory power supply exception, nor affect on the power supply of whole secondary power system.Greatly improve power supply
The power supply quality of system and reliability.
Alternatively, the power conversion module in the present embodiment can also not have accumulator, and only voltage stabilizing processes function.
It is whole that the electric power system of this utility model embodiment can apply to various subscriber equipment or system, especially current transformer
Machine system.As it is shown on figure 3, be applied to the structural representation of current transformer machine system for the electric power system of this utility model embodiment
Figure, this utility model embodiment is wind power generating set, and wherein, power supply circuits are that secondary power system is powered, accessory power supply system
System is powered for control system, and control system controls the properly functioning of each device.
The electric power system of this utility model embodiment is applied to current transformer machine system, it is ensured that normal at civil power or
During person city electrical anomaly, all can power to secondary power system normally, improve the reliability of complete machine control system；Pass through simultaneously
When power conversion module is powered to accessory power supply, moreover it is possible to isolate the interference in utility grid, harmonic pollution etc., carry for accessory power supply
For stable, clean power supply, further increase the reliability of complete machine control system.
This utility model proposes a kind of wind power generating set simultaneously, and described wind power generating set includes an electric power system, institute
State electric power system and include that power supply circuits and secondary power system, described power supply circuits include the first line and branch switch,
Described first line connects described secondary power system by described branch switch, and described power supply circuits also include for right
Power supply carries out power conversion module and the input switch of voltage stabilizing process, and described first line is by described power conversion module
Described secondary power system is connected with described input switch；Described power supply circuits also include for when described first line different
The spare line that secondary power system described in Chang Shiwei is powered.Electric power system described in the present embodiment is in this utility model
Electric power system involved by above-described embodiment, does not repeats them here.
Wind power generating set of the present utility model, uses above-mentioned electric power system, power conversion module carry out civil power surely
Pressure processes, and has isolated interference and the pollution of utility grid, provides stable, clean power supply for secondary power system, improves
The power supply quality of wind power generating set and reliability.Meanwhile, by setting up a spare line for power supply circuits, when first city's electric wire
During the exception of road as backup battery be secondary power system continue power supply, it is ensured that load continue to run with, further increase wind-force
The reliability of generating set.
It should be appreciated that these are only preferred embodiment of the present utility model, it is impossible to therefore limit of the present utility model
The scope of the claims, every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion, or directly
Connect or be indirectly used in other relevant technical fields, be the most in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an electric power system, including power supply circuits and secondary power system, described power supply circuits include the first line and
Branch switch, described first line connects described secondary power system by described branch switch, it is characterised in that: described
Power supply circuits also include power conversion module and input switch for power supply carries out voltage stabilizing process, described first line
Described secondary power system is connected by described power conversion module and described input switch；Described power supply circuits also include for
It it is the spare line powered of described secondary power system when described first line exception.
Electric power system the most according to claim 1, it is characterised in that: described spare line is the second line, described
Power supply circuits also include on and off switch, access described power supply electricity after described second line is in parallel with described first line
Road, the outfan of described first line and described second line connects described on and off switch.
Electric power system the most according to claim 2, it is characterised in that: described on and off switch is two, described first civil power
Circuit and described second line connect an on and off switch respectively.
Electric power system the most according to claim 2, it is characterised in that: described on and off switch is a single-pole double-throw switch (SPDT), institute
State the first line and described second line connects described on and off switch jointly.
Electric power system the most according to claim 1, it is characterised in that: described spare line is that uninterrupted power source UPS powers
Circuit, described power supply circuits also include that two on and off switch, described UPS supply line are opened by an on and off switch and described input
Closing and connect described secondary power system, the outfan of described first line connects another on and off switch.
Electric power system the most according to claim 1, it is characterised in that: described spare line is that uninterrupted power source UPS powers
Circuit, described power supply circuits also include two on and off switch, and described UPS supply line connects described auxiliary by an on and off switch
Power-supply system, the outfan of described first line connects another on and off switch.
7. according to the electric power system described in any one of claim 1-6, it is characterised in that: described power conversion module has electric power storage
Pond.
8. according to the electric power system described in any one of claim 1-6, it is characterised in that: described power conversion module be UPS,
EPS or converter.
9. according to the electric power system described in any one of claim 1-6, it is characterised in that: described secondary power system includes at least
Two accessory power supplys；Described power supply circuits connect each accessory power supply, or, described power supply circuits at least two, each
Power supply circuits connect an accessory power supply.
10. a wind power generating set, it is characterised in that include the electric power system as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620570212.8U CN205791763U (en) | 2016-06-12 | 2016-06-12 | Electric power system and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620570212.8U CN205791763U (en) | 2016-06-12 | 2016-06-12 | Electric power system and wind power generating set |
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| Publication Number | Publication Date |
|---|---|
| CN205791763U true CN205791763U (en) | 2016-12-07 |
Family
ID=58135240
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620570212.8U Active CN205791763U (en) | 2016-06-12 | 2016-06-12 | Electric power system and wind power generating set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910952A (en) * | 2017-10-31 | 2018-04-13 | 河北汉光重工有限责任公司 | A kind of power distribution equipment that more power supplys can be achieved and automatically switch |
-
2016
- 2016-06-12 CN CN201620570212.8U patent/CN205791763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910952A (en) * | 2017-10-31 | 2018-04-13 | 河北汉光重工有限责任公司 | A kind of power distribution equipment that more power supplys can be achieved and automatically switch |
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