CN109193916A - The capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group - Google Patents
The capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group Download PDFInfo
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- CN109193916A CN109193916A CN201811036585.7A CN201811036585A CN109193916A CN 109193916 A CN109193916 A CN 109193916A CN 201811036585 A CN201811036585 A CN 201811036585A CN 109193916 A CN109193916 A CN 109193916A
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- Prior art keywords
- power
- ups
- mirror field
- load
- capacity
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
-
- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to the capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group, belong to the applied technical field of solar energy thermal-power-generating.The capacity C h of mirror field load ups power Accessory Battery group are as follows:The ups power power distribution cabinet external photo-thermal power generation mirror field load of mirror field load;Power distribution cabinet input terminal is divided into two-way, connects mainframe by ac-dc conversion module and straight exchange conversion module all the way, and another way connects bypass cabinet by sing phase bridges and AC transformer;The battery group as UPS backup power source is connected between ac-dc conversion module and straight exchange conversion module.The capacity and Main Wire Connection Scheme of load ups power Accessory Battery group in mirror field provided by the invention, optimize the design scheme of the mirror field ionization source circuit of photo-thermal power station, improve the electrical stability of mirror field load, the requirement for overcoming traditional emergency power supply 15s starting time meets the requirement for instantaneously completing to defocus, receive mirror in normal power source power down.
Description
Technical field
The present invention relates to the capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group, belong to solar heat
The applied technical field of power generation.
Background technique
Photo-thermal power generation Jing Chang, a large amount of motor drivens are in random start stopping mode and run, and the duty ratio of working time is not
To 10%, this will lead to, and power consumption fluctuation in mirror field is very big, and mirror field output power is very high, and the mean power of Jing Chang consumption is very
It is low.If centrally connected power supply, if output power backbone failure, whole audience power supply power generation can all be affected;Such as according to tradition
Diesel-driven generator as emergency power supply, then have the starting time of at least 15S, mirror field is complete when cannot achieve electrical power mains line failure
At instantaneous focal, receive mirror movement.
Summary of the invention
The object of the present invention is to provide the capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group, optimizations
The plan of establishment of the mirror field ionization source circuit of photo-thermal power station, improves the electrical stability of mirror field load, overcomes traditional guarantor
Pacify the requirement of power supply 15s starting time, meets the requirement for instantaneously completing to defocus, receive mirror in normal power source power down.
To achieve the goals above, the technical solution adopted by the present invention is that:
The capacity calculation methods of mirror field load ups power Accessory Battery group,
The calculating of battery statistics load when single group ups power works under battery operational mode in the mirror field areas
Process, comprising:
P0=Pout/ η,
Wherein, the PoutIndicate UPS output power;The P(VA)Indicate UPS volt-amperes of numbers;Indicate power factor;
The P0Indicate that battery counts load;The η indicates inverter efficiency;
The capacity calculation methods of the Accessory Battery group include:
Ch=P/Ks,
P=P0K1Kt,
Wherein, the Ch indicates accumulator capacity;The P indicates battery calculated load;The Ks indicates electric power storage pool capacity
Measure conversion coefficient;The P0Indicate that battery counts load;The K1 indicates battery aging factor;The Kt indicates battery
Temperature correction coefficient;
The above-mentioned correlation formula of simultaneous, the capacity C h of the Accessory Battery group of the UPS circuit of mirror field load are as follows:
Technical solution of the present invention further improvement lies in that: battery aging factor K1 value be 1.25.
A kind of ups power Main Wire Connection Scheme of mirror field load designs, power distribution cabinet external photo-thermal power generation mirror field load;Power distribution cabinet
Input terminal is divided into two-way, connects mainframe by ac-dc conversion module and straight exchange conversion module all the way, and another way connection is single
Phase electric bridge input terminal simultaneously connects bypass cabinet by sing phase bridges and AC transformer;Ac-dc conversion module and straight exchange conversion mould
The battery group as UPS backup power supply is connected between block.
Technical solution of the present invention further improvement lies in that: further include: two mainframes share a bypass cabinet, with bypass
There are two sing phase bridges for the output end parallel connection of the AC transformer of cabinet connection;The output end and two sides mainframe of two sing phase bridges
The output end of ac-dc conversion module connects same power distribution cabinet input terminal together on route.
Technical solution of the present invention further improvement lies in that: further include dual-power transfer switch, dual power supply conversion is opened
Both ends are closed to be connected between the input terminal of two power distribution cabinets.
By adopting the above-described technical solution, the technical effect that the present invention obtains has:
The capacity calculation methods of Accessory Battery group provided by the invention are fully considering mirror field provided by the invention load
Ups power structure on the basis of, consider power factor and UPS inverter efficiency, in conjunction with need to the calculating of average UPS volt-ampere numbers
Battery counts load;And on the basis of being actually not required to consider design margin, the aging of practical battery use process is considered
The influence problem of problem and temperature change to battery-active, and consider accumulator capacity conversion coefficient, finally solve required storage
Battery capacity.
The capacity calculation methods of Accessory Battery group provided by the invention, having fully considered influences to restrict accumulator capacity
Various factors, and rule of thumb data or test statistics data etc., seek optimal relevant parameter numerical value, in the hope of last optimal
And the capacity of practical target configuration battery group.
The ups power power supply plan of mirror field provided by the invention load compared with traditional diesel engine is as emergency power supply,
The requirement for overcoming the diesel engine 15s starting time is able to satisfy the requirement for instantaneously completing to defocus, receive mirror in normal power source power down;
Three kinds of Main Wire Connection Schemes provide thinking for the design of photo-thermal power station mirror field ionization source simultaneously.Accessory Battery group provided by the invention
Capacity calculation methods carry accumulator capacity calculating for ups power and provide method.
The ups power Main Wire Connection Scheme of mirror field provided by the invention load designs, under present technical conditions, UPS electricity
The probability very little that source is broken down, reliability itself is relatively high, and natural economy is exactly the choosing of mirror field ups power Main Wire Connection Scheme
An important factor for when selecting.
The ups power Main Wire Connection Scheme of the first mirror field load provided by the invention, maximumlly considers circuit itself
Economy and practical application economy, guarantee it is most basic as ups power on the basis of utmostly simplified circuit
Structure and required cable;The circuit is complete suitable for distribution network, requires not the rate of online at full capacity of photo-thermal power station
High environment
The ups power Main Wire Connection Scheme of second of mirror provided by the invention field load, two mainframes share a bypass
Cabinet, and in the parallel connection of power distribution cabinet input terminal, there are two sing phase bridges, improve the reliability of ups power circuit, keep circuit simultaneous
Care for the economy and reliability of photo-thermal power station.Improve the scope of application of mirror field load ups power.
The ups power Main Wire Connection Scheme of the third mirror field load provided by the invention, increases dual-power transfer switch, can
So that the UPS circuit device of two the first mirror field loads provided by the invention is combined into one;So that two lateral circuits is mutually backups, has
There is high reliability, improve stability of the UPS circuit as backup power source, be suitable for power distribution network weakness, photo-thermal power station rises
Support power grid effect power station.
Detailed description of the invention
Fig. 1 is a kind of UPS Main Wire Connection Scheme of mirror field load provided by the invention;
Fig. 2 is the UPS Main Wire Connection Scheme of another mirror field provided by the invention load;
Fig. 3 is the UPS Main Wire Connection Scheme of another mirror field load provided by the invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further details the present invention:
The invention discloses the capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group, belong to solar energy
The applied technical field of heat power generation.Here is specific embodiment.
Photo-thermal power generation process synthesis considers economy and reliability, and mirror field ionization source concentrates design by region, by point of mirror
Cloth situation, point several regions, each region need a set of ups power of centralized arrangement for region load power supply.
The present invention provides the capacity calculation methods of mirror field load ups power Accessory Battery group.
Since ups power needs to be AC power source by inverter inversion under battery operational mode to be load power supply,
Therefore it needs to consider power factor in battery load calculating processAnd inverter efficiency η.
Battery statistics load when single group ups power works under battery operational mode in mirror field ionization source region
Calculating process, comprising:
P0=Pout/ η,
Wherein, the PoutIndicate UPS output power;The P(VA)Indicate UPS volt-amperes of numbers;Indicate power factor;
The P0Indicate that battery counts load;The η indicates inverter efficiency;
And the scale of general Jing Chang is terminal scale, therefore battery capacity is without the concern for design margin, it only need to be with UPS electricity
The one-to-one Capacity design in source.
In view of battery needs after running for a period of time, because pole plate salinization problem causes accumulator capacity to reduce, because
This needs to set the aging factor of certain value when initially carrying out Capacity Selection;Simultaneously according to the difference of running environment, also
It needs to carry out accumulator capacity certain temperature-compensating.
Therefore the capacity calculation methods of Accessory Battery group include:
Ch=P/Ks,
P=P0K1Kt,
Wherein, the Ch indicates accumulator capacity;The P indicates battery calculated load;The Ks indicates electric power storage pool capacity
Measure conversion coefficient;The P0Indicate that battery counts load;The K1 indicates battery aging factor;The Kt indicates battery
Temperature correction coefficient;
Recommend battery aging factor reference value K1=1.25 according to engineering practice.
The above-mentioned correlation formula of simultaneous, the capacity C h of the Accessory Battery group of the UPS circuit of mirror field load are as follows:
K1=1.25 is taken,
Further, the present invention also provides the ups power Main Wire Connection Schemes of mirror field load.Due in present technology item
Under part, the probability very little that ups power breaks down, reliability itself is very high, then economy is exactly the selection of mirror field ups power
Key factor.In conjunction with Fig. 1, a kind of ups power Main Wire Connection Scheme of mirror field load provided by the invention.The external photo-thermal hair of power distribution cabinet
Electronic Speculum field load;Power distribution cabinet input terminal is divided into two-way, passes through ac-dc conversion module and straight exchange conversion module connection master all the way
Cabinet, another way connect sing phase bridges input terminal and connect bypass cabinet by sing phase bridges and AC transformer;Ac-dc conversion
The battery group as UPS backup power supply is connected between module and straight exchange conversion module.
The UPS circuit device of above-mentioned mirror field load, maximumlly optimizes the economy of circuit, and structure is simple, and cable is used
Amount is few, cheap, economical and practical;It is complete suitable for distribution network, it is of less demanding to the rate of online at full capacity of photo-thermal power station
Circuit environment.But if UPS host and battery failure problem, the mirror field areas of ups power power supply will stop transport,
Therefore it breaks down and the probability that cannot be settled a dispute by the parties concerned themselves in time is relatively large.
In conjunction with Fig. 2, the UPS circuit device of another kind mirror field provided by the invention load.Two mainframes share a side
Road cabinet, there are two sing phase bridges for the output end parallel connection for the AC transformer connecting with bypass cabinet;The output end of two sing phase bridges
And the output end of ac-dc conversion module connects same power distribution cabinet input terminal together on the mainframe route of two sides;The external light of power distribution cabinet
Hot power generation mirror field load.
The sing phase bridges of side where two sides mainframe passes through ac-dc conversion module and the connection of straight exchange conversion module
Output end, and the battery group as UPS backup power supply is connected between ac-dc conversion module and straight exchange conversion module.
Foregoing circuit device improves the reliability of ups power circuit compared to the UPS circuit device of offer shown in Fig. 1,
Circuit is set to take into account the economy and reliability of photo-thermal power station, cost is moderate, high reliablity, is the best Jing Chang of versatility negative
Lotus UPS circuit.
In conjunction with Fig. 3, the UPS circuit device of another mirror field load provided by the invention.Two adjacent shown in FIG. 1
The UPS circuit lower end of mirror field load, further includes a dual-power transfer switch, and the dual-power transfer switch both ends are connected to two
Between the input terminal of two power distribution cabinets in the UPS circuit of side mirror field load as shown in Figure 1.
Foregoing circuit device increases dual-power transfer switch compared to the UPS circuit device of offer shown in Fig. 1, can make
Two circuits are combined into one, and two UPS circuits are mutually backups, and improve stability of the UPS circuit as backup power source, have pole
High reliability, is suitable for power distribution network weakness, and photo-thermal power station plays the power station of support power grid effect;But it is more to consume cable, makes
Valence is also relatively high.
The plan of establishment of the UPS circuit device of three kinds of mirror field loads in summary is specifically adopted in physical cabling application
With which kind of, economy and reliability and other factors when needing to comprehensively consider practical application, there are also between each correlative factor
Stressing property.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (5)
1. the capacity calculation methods of mirror field load ups power Accessory Battery group, it is characterised in that:
The calculating of battery statistics load when single group ups power works under battery operational mode in the mirror field areas
Journey, comprising:
P0=Pout/ η,
Wherein, the PoutIndicate UPS output power;The P(VA)Indicate UPS volt-amperes of numbers;Indicate power factor;The P0
Indicate that battery counts load;The η indicates inverter efficiency;
The capacity calculation methods of the Accessory Battery group include:
Ch=P/Ks,
P=P0K1Kt,
Wherein, the Ch indicates accumulator capacity;The P indicates battery calculated load;The Ks indicates that accumulator capacity is changed
Calculate coefficient;The P0Indicate that battery counts load;The K1 indicates battery aging factor;The Kt indicates battery temp
Compensation coefficient;
The above-mentioned correlation formula of simultaneous, the capacity C h of the Accessory Battery group of the UPS circuit of mirror field load are as follows:
2. the capacity calculation methods of the Accessory Battery group of the ups power of mirror field according to claim 1 load, feature
It is:
Battery aging factor K1 value is 1.25.
3. a kind of ups power Main Wire Connection Scheme of mirror field load, it is characterised in that:
Power distribution cabinet external photo-thermal power generation mirror field load;Power distribution cabinet input terminal is divided into two-way, all the way by ac-dc conversion module and
Straight exchange conversion module connects mainframe, and another way connects sing phase bridges input terminal and connected by sing phase bridges and AC transformer
Connect bypass cabinet;The battery group as UPS backup power source is connected between ac-dc conversion module and straight exchange conversion module.
4. the ups power Main Wire Connection Scheme of mirror field according to claim 3 load, it is characterised in that: further include:
Two mainframes share a bypass cabinet, and there are two single-phase electricities for the output end parallel connection for the AC transformer connecting with bypass cabinet
Bridge;The output end of ac-dc conversion module connects same match together on the output end and two sides mainframe route of two sing phase bridges
Electric cabinet input terminal.
5. the ups power Main Wire Connection Scheme of mirror field according to claim 3 load, it is characterised in that:
It further include dual-power transfer switch, the dual-power transfer switch both ends are connected between the input terminal of two power distribution cabinets.
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CN201811036585.7A CN109193916A (en) | 2018-09-06 | 2018-09-06 | The capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group |
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CN201811036585.7A CN109193916A (en) | 2018-09-06 | 2018-09-06 | The capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group |
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CN201811036585.7A Pending CN109193916A (en) | 2018-09-06 | 2018-09-06 | The capacity and Main Wire Connection Scheme of mirror field load ups power Accessory Battery group |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103532224A (en) * | 2013-10-23 | 2014-01-22 | 中国能源建设集团广东省电力设计研究院 | Method for configuring UPS (uninterrupted power supply) in offshore wind plant |
-
2018
- 2018-09-06 CN CN201811036585.7A patent/CN109193916A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103532224A (en) * | 2013-10-23 | 2014-01-22 | 中国能源建设集团广东省电力设计研究院 | Method for configuring UPS (uninterrupted power supply) in offshore wind plant |
Non-Patent Citations (3)
Title |
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张红启: "UPS的概述及配置计算", 《当代化工》 * |
张陈: "变电站直流系统蓄电池容量计算探析", 《中国高新技术企业》 * |
鲍金春等: "大机组UPS系统若干问题探讨", 《华北电力技术》 * |
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