CN107124033A - A kind of emergency power system for exporting switching free of discontinuities - Google Patents
A kind of emergency power system for exporting switching free of discontinuities Download PDFInfo
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- CN107124033A CN107124033A CN201710363488.8A CN201710363488A CN107124033A CN 107124033 A CN107124033 A CN 107124033A CN 201710363488 A CN201710363488 A CN 201710363488A CN 107124033 A CN107124033 A CN 107124033A
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- 238000000034 method Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H02J7/027—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Abstract
The invention discloses a kind of emergency power system for exporting switching free of discontinuities, including：Main control module, civil power input module, inverter module, battery module, charge and discharge control module, charge and discharge protecting module, data acquisition module, handover module free of discontinuities.The emergency power system of the output switching free of discontinuities of the present invention uses reverse conversion synchronization technical, power to power with power network using first inversion and be superimposed, the method that inversion is powered is disconnected afterwards, realize and recover the switching free of discontinuities between inverter when electric network source is powered, the phase of civil power is first detected switch simultaneously before, frequency and amplitude, the phase and amplitude of inverter output are adjusted again, when the amplitude of two-way alternating current, frequency and phase difference should be controlled in certain scope, superposition handover operation is performed again, avoid electric source disturbance caused by excessive circulation, system control conversion intelligence is flexible, with higher practical value and wide application prospect.
Description
Technical field
The present invention relates to emergency power supply technical field, and in particular to a kind of emergency power system of output switching free of discontinuities.
Background technology
Battery-type emergency power supply is concentrated to be widely used as conventional electronic devices in architectural electricity, industrial trade,
Especially in some developed areas such as Suzhou, Xiamen etc., will battery-type emergency power supply be concentrated to be used as routine building
Electrically, design is in building's electrical design drawing, and country has formulated series of standards for emergency power supply product, such as：GB
16806-2006《Fire-fighting linkage control system》、GB17945-2010《Fire emergency and evacuation indication system》、JG/
T371-2012《Centralized battery emergency power supply unit》Deng the promotion emergency power supply development of, these product standards effectively with should
With.
Concentrating the basic functional principle of battery-type emergency power supply is：When line voltage is working properly, all the way to charging
Module charges to the batteries in emergency power supply.Change-over switch powering load is passed through on another road, that is to say, that power network
When voltage power supply is normal, load directly uses electric network source.When line voltage exception or power down, system automatically switches to battery
Backup pattern, it is ensured that the emergency service of load, this principle form is also referred to as backup type emergency power supply.
There is a switching power process in the switching between backup type emergency power supply and power network, due to by CPU computings speed
The conditions such as degree, detection mode, switching device and control method must be limited, common to concentrate battery-type emergency power supply and exist with power network
In handoff procedure, general load end produces 2 power process, is after grid cut-off, normally to be exported simultaneously to emergency power supply for the first time
It is switched to load.It is another time be power system restoration after, emergency power supply is stopped power supply, and load is switched to the process that power network is powered.Because
This handoff procedure twice, emergency set, which is produced, to interrupt and starts twice twice, will produce shadow to the emergent effect of emergency set
Ring, such as fire pump must start twice, how to reduce the harm that power-off is brought, reduce switching time, be that backup type answers urgent telegram
The important technology direction in source, switching time is also important technical indicator in addition.On the other hand when mains supply and inverter electricity
Phase difference between source is excessive or during poor excessive transient voltage, can cross conference because of circulation and occur accident, this failure, the lighter can make
Electric source disturbance is played into the output waveform Severe distortion coupling for appearing in the sine-wave power in load, can be because above-mentioned when serious
The loop current occurred between two kinds of AC powers is excessive and burns the power model in controllable silicon or inverter.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of emergency power system for exporting switching free of discontinuities, and this is met an urgent need
Power-supply system uses reverse conversion synchronization technical, and powering to power with power network using first inversion is superimposed, rear to disconnect the method that inversion is powered, in fact
Now recover electric network source when powering switching free of discontinuities between inverter, while first detected before switching the phase of civil power, frequency and
Amplitude, then the phase and amplitude of inverter output are adjusted, when the amplitude, frequency and phase difference of two-way alternating current should be controlled certain
In the range of, then perform superposition handover operation, it is to avoid electric source disturbance caused by excessive circulation, system control conversion intelligence spirit
It is living, with higher practical value and wide application prospect.
The present invention solves technical problem and adopted the following technical scheme that：
A kind of emergency power system for exporting switching free of discontinuities, including：
Main control module, civil power input module, inverter module, battery module, charge and discharge control module, charge and discharge protecting mould
Block, data acquisition module, handover module free of discontinuities；The main control module and charge and discharge control module, data acquisition module, continuously
Disconnected handover module electrical connection；The civil power input module is electrically connected with charge and discharge control module, switching circuit free of discontinuities；It is described to fill
Control of discharge module is electrically connected with charge and discharge protecting module, inverter module；The charge and discharge protecting module and inverter module
Electrically connected respectively with battery module；The switching circuit free of discontinuities is electrically connected with inverter module；
The main control module is used for the data that reception processing data acquisition module is detected, and according to the result pair after analyzing and processing
Charge and discharge control module, handover module free of discontinuities send corresponding command signal；
The civil power input module is used to provide the electricity needed for power supply and battery module charging under normal circumstances
Power is originated；
The DC conversion that the inverter module is used to input battery module is exchange electricity output, so that load is used；
Direct current that the battery module is used for needed for being provided to system other modules and under civil power abnormal conditions to negative
Carry power supply；
The charge and discharge control module is used for the command signal sent according to main control module, and on the one hand control battery module is reasonable
Switched between charging and discharging, on the other hand can control battery module externally discharge output meet load request
Suitable voltage or the direct current that alternating current is converted into suitable voltage size are used for battery module charging；
The charge and discharge protecting module be used to preventing occurring in battery charging overshoot over-pressed phenomenon, occur in discharge process it is deep
Degree electric discharge, while effectively preventing infringement of the burr phenomena in circuit to battery module；
The data acquisition module is used for alternating voltage phase, frequency and amplitude data and the electric power storage for gathering civil power input module
The data such as temperature, electricity, the capacity of pond module；
The switching circuit free of discontinuities is used to power supply output being output to civil power outlet chamber progress smooth conversion from battery module,
Powering-off state in handoff procedure is avoided to occur simultaneously.
Preferably, the main control module is one kind in FPGA, ARM, DSP microprocessor.
Preferably, the inverter module is sinewave inverter.
Preferably, the charge and discharge control module include discharge and recharge handover module, ac-dc conversion circuit, booster circuit,
Reduction voltage circuit.
Preferably, the charge-discharge protection circuit includes deep discharge protection module, constant current constant voltage module, pulsewidth modulation electricity
Road.
Preferably, the handover module free of discontinuities includes the first IGCT, the second IGCT, on-off control circuit.
Preferably, the main control module passes through the phase of the civil power input module of data collecting module collected, frequency before switching
Rate and amplitude, send phase, frequency and the amplitude of command signal adjustment inverter module output, amplitude when two-way alternating current,
Frequency and phase difference should be controlled in certain scope, then perform overlap-add operation by handover module free of discontinuities, after waiting output stable
Inverter module is disconnected again to power, and realizes the smooth conversion incessantly between emergency power supply to mains supply.
Preferably, the battery module is one kind in lead-acid accumulator and lithium battery.
Compared with prior art, the present invention has following beneficial effect：
（1）A kind of emergency power system of output switching free of discontinuities of the present invention is powered to power with power network and is superimposed using first inversion,
Inversion is disconnected afterwards to power（Make-before-break）Method, realize recover electric network source when powering switching free of discontinuities between inverter.
Specific method is the phase and amplitude that civil power is first detected before switching, then adjusts the phase and amplitude of inverter output, when two-way is handed over
Amplitude, frequency and the phase difference of stream power supply should be controlled in certain scope, then perform superposition handover operation just without excessive ring
Stream.Smooth conversion, its transfer process free of discontinuities incessantly can thus be realized between emergency power supply to mains supply.This
Sample can avoid secondary handoff procedure, it is to avoid load supplying is interrupted and the starts twice, reduce power-off and electric emergency set is brought
Harm, the output waveform Severe distortion for effectively avoiding the sine-wave power in load causes electric source disturbance, and because
The loop current occurred between above two AC power is excessive and burns the harm of the power model in controllable silicon or inverter.
（2）The present invention a kind of output switching free of discontinuities emergency power system main control module employ FPGA, ARM,
A kind of microprocessor in DSP, its power consumption is smaller, reliability is higher, programming is simple, efficiency is higher, price is relatively low, at data
Manage speed, instruction execution speed faster, can effectively improve sensitivity and the reliability of managing and control system, the energy consumption of reduction,
Resource is saved.
（3）A kind of charge and discharge protecting module of the emergency power system of output switching free of discontinuities of the present invention works as battery module
When voltage is relatively low, charged under the maximum current of setting, with being continuously increased for battery module voltages, charging current subtracts therewith
It is small, most at last battery module it is constant one setting magnitude of voltage on, carry out floating charge, it is to avoid beyond battery module capacity or
Occur empty full, it is to avoid overcurrent and overvoltage phenomenon, on the one hand just allow to charge the battery in battery decline to predetermined value, allow
Battery will not maintain full state for a long time, on the other hand avoid overcurrent to battery implementation constant-current charge and overvoltage is existing
As effectively increasing the service life of battery；Simultaneously because the height of depth of discharge and the charge lifetimes of rechargeable battery have very deep
Relation, when the depth of discharge of battery is deeper, its charge lifetimes is shorter, and the service life of battery can be caused to shorten, therefore deep
Degree discharge prevention module can be prevented effectively from this point.
（4）A kind of emergency power system of output switching free of discontinuities of the present invention can monitor battery condition in real time, have
The charge and discharge process of effect control battery, charge and discharge protecting module can farthest extend the service life of battery, whole system
The accurate sensitive efficiency high of control under the overall leadership, the flexible power consumption of control intelligence are few, with higher use value and wide application prospect.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of emergency power system schematic diagram of output switching free of discontinuities of the present invention；
Fig. 2 is signal before a kind of handover module free of discontinuities switching of the emergency power system of output switching free of discontinuities of the present invention
Figure；
Fig. 3 is signal in a kind of handover module free of discontinuities switching of the emergency power system of output switching free of discontinuities of the present invention
Figure；
Fig. 4 is signal after a kind of handover module free of discontinuities switching of the emergency power system of output switching free of discontinuities of the present invention
Figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-4, a kind of emergency power system for exporting switching free of discontinuities is provided in the present embodiment, including：
Main control module 1, civil power input module 2, inverter module 3, battery module 4, charge and discharge control module 5, discharge and recharge are protected
Protect module 6, data acquisition module 7, handover module free of discontinuities 8；The main control module 1 and charge and discharge control module 5, data acquisition
Module 7, handover module free of discontinuities 8 are electrically connected；The civil power input module 2 and charge and discharge control module 5, switching circuit free of discontinuities
8 electrical connections；The charge and discharge control module 5 is electrically connected with charge and discharge protecting module 6, inverter module 3；The charge and discharge protecting
Module 6 and inverter module 3 are electrically connected with battery module 4 respectively；The switching circuit free of discontinuities 8 and the electricity of inverter module 3
Connection；
The main control module 1 is used for the data that reception processing data acquisition module 7 is detected, and according to the result after analyzing and processing
Corresponding command signal is sent to charge and discharge control module 5, handover module free of discontinuities 8；
The civil power input module 2 is used to providing power supply under normal circumstances and battery 4 charges required electric power
Source；
The DC conversion that the inverter module 3 is used to input battery module 4 is exchange electricity output, so that load makes
With；
Direct current that the battery module 4 is used for needed for being provided to system other modules and under civil power abnormal conditions to negative
Carry power supply；
The charge and discharge control module 5 is used for the command signal sent according to main control module 1, on the one hand control battery module 4
Reasonably switched between charging and discharging, on the other hand can controlling battery module 4, externally electric discharge output meets load
It is required that suitable voltage or alternating current be converted into the direct current of suitable voltage size used for the charging of battery module 4；
The charge and discharge protecting module 6 is used to prevent the over-pressed phenomenon of appearance in the charging overshoot of battery module 4, in discharge process
There is deep discharge, while effectively preventing infringement of the burr phenomena to battery module 4 in circuit；
The data acquisition module 7 is used for alternating voltage phase, frequency and the amplitude data and storage for gathering civil power input module 2
The data such as temperature, electricity, the capacity of battery module 4；
The switching circuit free of discontinuities 8 is steadily turned for power supply output to be output into civil power outlet chamber from battery module 4
Change, while avoiding powering-off state in handoff procedure from occurring.
Main control module 1 is FPGA microprocessors in the present embodiment.
Inverter module 3 is sinewave inverter in the present embodiment.
In the present embodiment charge and discharge control module 5 include discharge and recharge handover module, ac-dc conversion circuit, booster circuit,
Reduction voltage circuit.
Charge-discharge protection circuit 6 includes deep discharge protection module, constant current constant voltage module, pulsewidth modulation electricity in the present embodiment
Road.
Handover module 8 free of discontinuities includes the first IGCT 81, the second IGCT 82, on-off control circuit in the present embodiment
83。
In the present embodiment main control module 1 by switching before data acquisition module 7 gather civil power input module 2 phase,
Frequency and amplitude, send phase, frequency and the amplitude of command signal adjustment inverter output, amplitude, frequency when two-way alternating current
Rate and phase difference should be controlled in certain scope, then perform overlap-add operation by handover module 8 free of discontinuities, after waiting output stable again
Disconnect inverter module 3 to power, realize the smooth conversion incessantly between emergency power supply to mains supply, be illustrated in figure 2
Schematic diagram before handover module switching free of discontinuities, now only battery is powered；Fig. 3 is schematic diagram in handover module free of discontinuities switching,
Now battery and civil power are powered；Fig. 4 is schematic diagram after handover module free of discontinuities switching, now only mains-supplied.
Battery module 4 is lithium battery in the present embodiment.
A kind of emergency power system of output switching free of discontinuities of the present invention uses reverse conversion synchronization technical, is supplied using first inversion
Electricity is powered with power network and be superimposed, rear to disconnect the method that inversion is powered, when realization recovery electric network source is powered between inverter continuously
Disconnected switching, while first detecting phase, frequency and the amplitude of civil power before switching, then adjusts the phase and amplitude of inverter output, when
Amplitude, frequency and the phase difference of two-way alternating current should be controlled in certain scope, then perform superposition handover operation, it is to avoid mistake
Electric source disturbance caused by big circulation, the system has open, modular feature, and system control conversion intelligence is flexible, has
Higher practical value and wide application prospect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (8)
1. a kind of emergency power system for exporting switching free of discontinuities, it is characterised in that including：Main control module, civil power input module,
Inverter module, battery module, charge and discharge control module, charge and discharge protecting module, data acquisition module, switching mould free of discontinuities
Block；The main control module is electrically connected with charge and discharge control module, data acquisition module, handover module free of discontinuities；The civil power is defeated
Enter module to electrically connect with charge and discharge control module, switching circuit free of discontinuities；The charge and discharge control module and charge and discharge protecting mould
Block, inverter module electrical connection；The charge and discharge protecting module and inverter module are electrically connected with battery module respectively；It is described
Switching circuit free of discontinuities is electrically connected with inverter module；
The main control module is used for the data that reception processing data acquisition module is detected, and according to the result pair after analyzing and processing
Charge and discharge control module, handover module free of discontinuities send corresponding command signal；
The civil power input module is used to provide the electricity needed for power supply and battery module charging under normal circumstances
Power is originated；
The DC conversion that the inverter module is used to input battery module is exchange electricity output, so that load is used；
Direct current that the battery module is used for needed for being provided to system other modules and under civil power abnormal conditions to negative
Carry power supply；
The charge and discharge control module is used for the command signal sent according to main control module, and on the one hand control battery module is reasonable
Switched between charging and discharging, on the other hand can control battery module externally discharge output meet load request
Suitable voltage or the direct current that alternating current is converted into suitable voltage size are used for battery module charging；
The charge and discharge protecting module is used to prevent from occurring over-pressed phenomenon in battery module charging overshoot, gone out in discharge process
Existing deep discharge, while effectively preventing infringement of the burr phenomena in circuit to battery module；
The data acquisition module is used for alternating voltage phase, frequency and amplitude data and the electric power storage for gathering civil power input module
The data such as temperature, electricity, the capacity of pond module；
The switching circuit free of discontinuities is used to power supply output being output to civil power outlet chamber progress smooth conversion from battery module,
Powering-off state in handoff procedure is avoided to occur simultaneously.
2. a kind of emergency power system for exporting switching free of discontinuities according to claim 1, it is characterised in that the master control
Module is one kind in FPGA, ARM, DSP microprocessor.
3. a kind of emergency power system for exporting switching free of discontinuities according to claim 1, it is characterised in that the inversion
Device module is sinewave inverter.
4. a kind of emergency power system for exporting switching free of discontinuities according to claim 1, it is characterised in that the charge and discharge
Electric control module includes discharge and recharge handover module, ac-dc conversion circuit, booster circuit, reduction voltage circuit.
5. a kind of emergency power system for exporting switching free of discontinuities according to claim 1, it is characterised in that the charge and discharge
Electric protection circuit includes deep discharge protection module, constant current constant voltage module, pulse-width modulation circuit.
6. a kind of emergency power system for exporting switching free of discontinuities according to claim 1, it is characterised in that it is described continuously
Disconnected handover module includes the first IGCT, the second IGCT, on-off control circuit.
7. a kind of emergency power system for exporting switching free of discontinuities according to claim 1, it is characterised in that the master control
Module sends command signal tune by phase, frequency and the amplitude of the civil power input module of data collecting module collected before switching
Phase, frequency and the amplitude of inversion device module output, when the amplitude, frequency and phase difference of two-way alternating current should be controlled certain
In the range of, then by handover module free of discontinuities execution overlap-add operation, wait output to disconnect inverter module again after stablizing and power, realize
The smooth conversion incessantly between emergency power supply to mains supply.
8. a kind of emergency power system for exporting switching free of discontinuities according to claim 1, it is characterised in that the electric power storage
Pond module is one kind in lead-acid accumulator and lithium battery.
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| CN201710363488.8A CN107124033A (en) | 2017-05-22 | 2017-05-22 | A kind of emergency power system for exporting switching free of discontinuities |
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| CN201710363488.8A CN107124033A (en) | 2017-05-22 | 2017-05-22 | A kind of emergency power system for exporting switching free of discontinuities |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979166A (en) * | 2017-11-28 | 2018-05-01 | 珠海存中信息技术有限公司 | A kind of power switch operation power |
| CN108494279A (en) * | 2018-03-22 | 2018-09-04 | 深圳市海浦蒙特科技有限公司 | Emergency power supply and its output voltage control method and device |
| CN108882463A (en) * | 2018-08-01 | 2018-11-23 | 厦门阳光恩耐照明有限公司 | Alternating current-direct current switching circuit applied to lamp group |
| CN109560605A (en) * | 2019-01-25 | 2019-04-02 | 莱芜钢铁集团有限公司 | A kind of blast furnace emergency backup power supply control device |
| CN110429702A (en) * | 2019-01-25 | 2019-11-08 | 美律电子(深圳)有限公司 | Power output apparatus and power supply output method |
| CN111775979A (en) * | 2020-07-20 | 2020-10-16 | 四川华蓥山广能集团嘉华机械有限责任公司 | Continuous cycle charge-discharge locomotive power supply |
| EP3787375A1 (en) * | 2019-08-30 | 2021-03-03 | Tridonic GmbH & Co. KG | Adapter for electrically connecting a lighting device to an electrical track |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107979166A (en) * | 2017-11-28 | 2018-05-01 | 珠海存中信息技术有限公司 | A kind of power switch operation power |
| CN108494279A (en) * | 2018-03-22 | 2018-09-04 | 深圳市海浦蒙特科技有限公司 | Emergency power supply and its output voltage control method and device |
| CN108882463A (en) * | 2018-08-01 | 2018-11-23 | 厦门阳光恩耐照明有限公司 | Alternating current-direct current switching circuit applied to lamp group |
| CN108882463B (en) * | 2018-08-01 | 2024-03-26 | 厦门阳光恩耐照明有限公司 | AC/DC switching circuit applied to lamp set |
| CN109560605A (en) * | 2019-01-25 | 2019-04-02 | 莱芜钢铁集团有限公司 | A kind of blast furnace emergency backup power supply control device |
| CN110429702A (en) * | 2019-01-25 | 2019-11-08 | 美律电子(深圳)有限公司 | Power output apparatus and power supply output method |
| CN110429702B (en) * | 2019-01-25 | 2022-01-11 | 美律电子(深圳)有限公司 | Power output device and power output method |
| EP3787375A1 (en) * | 2019-08-30 | 2021-03-03 | Tridonic GmbH & Co. KG | Adapter for electrically connecting a lighting device to an electrical track |
| WO2021037595A1 (en) * | 2019-08-30 | 2021-03-04 | Tridonic Gmbh & Co Kg | Adapter for electrically connecting a lighting device to an electrical track |
| CN111775979A (en) * | 2020-07-20 | 2020-10-16 | 四川华蓥山广能集团嘉华机械有限责任公司 | Continuous cycle charge-discharge locomotive power supply |
| CN116742780A (en) * | 2023-06-16 | 2023-09-12 | 大连海事大学 | Intelligent emergency power supply |
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