CN108551189A - A kind of transformer station direct current system holds method and device from kinetonucleus - Google Patents
A kind of transformer station direct current system holds method and device from kinetonucleus Download PDFInfo
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- CN108551189A CN108551189A CN201810458054.0A CN201810458054A CN108551189A CN 108551189 A CN108551189 A CN 108551189A CN 201810458054 A CN201810458054 A CN 201810458054A CN 108551189 A CN108551189 A CN 108551189A
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- accumulator
- switch module
- direct current
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of transformer station direct current systems to hold method and device from kinetonucleus, therein to include from kinetonucleus appearance method：Processor module controls the conducting of first switch module, makes storage battery constant-current discharge；Processor module obtains the capacity of accumulator according to the electric discharge duration of the battery tension variable quantity and accumulator got；Processor module controls first switch module and disconnects, and controls the conducting of second switch module, and the rectifier in straight-flow system is made to carry out constant-current charge to accumulator.The present invention solves the accumulator group periodically Industry that must on the spot be operated by professional of the property checked electric discharge work due to transformer station direct current system, the low technical problem of the operation and maintenance efficiency of caused transformer station direct current system and accumulator group.
Description
Technical field
The present invention relates to automation control area more particularly to a kind of transformer station direct current systems to hold method and dress from kinetonucleus
It sets.
Background technology
Transformer station direct current system is the important component of substation, and the accumulator group in transformer station direct current system can be electricity
Electrical secondary system load in Force system provides safe and stable, reliable electric power safeguard, it is ensured that Substation control, protection, communication are set
Standby normal operation.The stability of accumulator group and the actual capacity of load can be supplied to ensuring power equipment in discharge process
Safe operation have a very important significance.
Accumulator group in existing transformer station direct current system is connected by straight-flow system busbar and rectifier and load
It connects, and is all to carry out circuit switching using control switch to complete the electric discharge of accumulator group and the process recharged, cause substation
The accumulator group of the straight-flow system Industry that periodically property checked electric discharge work must on the spot be operated by professional, and it is close
The fast development of several years power grid constructions, the growth rate of substation's quantity is far more than professional transformer station direct current system maintenance personnel's
Speed is cultivated, the low technical problem of the operation and maintenance efficiency of transformer station direct current system and accumulator group is resulted in.
Invention content
The present invention provides a kind of transformer station direct current systems to hold method and device from kinetonucleus, for solving due to substation
The accumulator group of the straight-flow system Industry that periodically property checked electric discharge work must on the spot be operated by professional, it is caused
The low technical problem of the operation and maintenance efficiency of transformer station direct current system and accumulator group.
The present invention provides a kind of transformer station direct current systems to hold method from kinetonucleus, including：
S1：Processor module controls the conducting of first switch module, makes storage battery constant-current discharge；
S2：When the processor module is according to the electric discharge of the battery tension variable quantity and the accumulator that get
It is long, obtain the capacity of the accumulator；
S3：The processor module controls the first switch module and disconnects, and controls the conducting of second switch module, makes straight
Rectifier in streaming system carries out constant-current charge to the accumulator.
Preferably, the step S2 is specifically included：
S21：The processor module is according to the battery tension variable quantity got from electrical measurement module and institute
The voltage value for stating accumulator drops to electric discharge duration needed for the first preset voltage values, obtains the capacity of the accumulator.
Preferably, the step S1 is specifically included：
S11：When the core that the processor module receives host computer transmission holds instruction, the processor module is to first
The transmission preset discharge drive signal of switch module, the turn-on frequency by controlling first switch module control filling for energy storage inductor
Discharge frequency makes the storage battery constant-current discharge.
Preferably, the step S3 is specifically included：
S31：The preset charging drive signal of transmission of the processor module to second switch module is opened by control second
The charge and discharge electric frequency for closing the turn-on frequency control energy storage inductor of module, makes the rectifier in straight-flow system carry out the accumulator
Constant-current charge.
Preferably, further include before the step S3：
S22：The capacity of the accumulator is sent to the host computer by the processor module by communication module.
Preferably, the first switch module and the second switch module are specially IGBT power device modules.
The present invention provides a kind of transformer station direct current systems from kinetonucleus capacitance device, is referred to for realizing such as the content of present invention
Any one transformer station direct current system from kinetonucleus hold method, including：Processor module, first switch module, second switch
Module, electrical measurement module and energy storage inductor；
First general input/output port of the processor module and the control terminal of the first switch module communicate to connect；
The first end of the energy storage inductor is electrically connected with the anode of accumulator；
The second end of the energy storage inductor is electrically connected with the input terminal of the first switch module；
The output end of the first switch module is electrically connected with the cathode of the accumulator；
Second general input/output port of the processor module and the control terminal of the second switch module communicate to connect；
The output end of the second switch module is electrically connected with the input terminal of the first switch module；
The input terminal of the second switch module is electrically connected with straight-flow system busbar；
The collection terminal of the electrical measurement module is electrically connected with the accumulator.
Preferably, further include：Communication module；
The control communication port of the communication module and the third general input/output port communication link of the processor module
It connects；
The transmitting-receiving communication port of the communication module is communicated to connect with host computer.
Preferably, the first switch module and the second switch module are specially IGBT power device modules.
From above scheme as can be seen that the present invention has the following advantages：
The present invention provides a kind of transformer station direct current systems to hold method from kinetonucleus, including：S1：Processor module control the
One switch module is connected, and makes storage battery constant-current discharge；S2：The processor module becomes according to the battery tension got
The electric discharge duration of change amount and the accumulator, obtains the capacity of the accumulator；S3：The processor module control described first
Switch module disconnects, and controls the conducting of second switch module, and the rectifier in straight-flow system is made to carry out constant current to the accumulator
Charging.
The present invention controls the conducting of first switch module by processor module, controls the accumulator of transformer station direct current system
Electric discharge, and by the voltage variety and electric discharge duration when measuring battery discharging, the capacity of accumulator is obtained, then control the
Two switch modules are connected, and control straight-flow system recharges accumulator, and the accumulator for realizing transformer station direct current system is automatic
Change core to hold, solve since the accumulator group periodically property the checked electric discharge work of transformer station direct current system must be by professional's reality
The technology that the operation and maintenance efficiency of the Industry of ground operation, caused transformer station direct current system and accumulator group is low is asked
Topic.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
A kind of Fig. 1 flow signals of one embodiment of the autocontrol method of transformer station direct current system provided by the invention
Figure；
A kind of Fig. 2 flows of another embodiment of the autocontrol method of transformer station direct current system provided by the invention are shown
It is intended to；
A kind of Fig. 3 structural representations of one embodiment of the automatic control device of transformer station direct current system provided by the invention
Figure；
A kind of Fig. 4 automatic control devices of transformer station direct current system provided by the invention are in drive when electric discharge operating mode
The oscillogram of dynamic signal；
A kind of Fig. 5 automatic control devices of transformer station direct current system provided by the invention are in drive when charge mode
The oscillogram of dynamic signal；
When a kind of Fig. 6 automatic control devices of transformer station direct current system provided by the invention are in floating charging operating mode
The oscillogram of drive signal；
Wherein, reference numeral is as follows：101, processor module；102, first switch module；103, second switch module；
104, electrical measurement module；105, communication module；L1, energy storage inductor；2, accumulator；3, rectifier；4, it loads；5, host computer.
Specific implementation mode
An embodiment of the present invention provides a kind of automatic control system of transformer station direct current system and methods, for solving power transformation
Stand erectly streaming system accumulator group periodically the property checked electric discharge work must on the spot be operated by professional, result in power transformation and stand erectly
The low technical problem of the operation and maintenance efficiency of streaming system and accumulator group.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
It please refers to Fig.1 and Fig. 3, an embodiment of the present invention provides a kind of transformer station direct current systems to hold method, packet from kinetonucleus
It includes：
A101：Processor module 101 controls first switch module 102 and is connected, and makes 2 constant-current discharge of accumulator；
It should be noted that processor module 101 exports the drive signal of certain duty ratio to first switch module 102,
First switch conducting is controlled, accumulator 2 is in high potential at this time, makes 2 constant-current discharge of accumulator.
A102：Processor module 101 is obtained according to the electric discharge duration of 2 voltage variety of accumulator and accumulator 2 that get
To the capacity of accumulator 2；
It should be noted that constant current, accumulator 2 when processor module 101 is discharged by the accumulator 2 got
The electric discharge duration of electric discharge front and back voltage variety and accumulator 2 obtains the capacity of accumulator 2 by constant current calculation
Value.
A103：Processor module 101 controls first switch module 102 and disconnects, and controls the conducting of first switch module 103,
The rectifier 3 in straight-flow system is set to carry out constant-current charge to accumulator 2.
It should be noted that processor module 101 exports the drive signal of certain duty ratio to first switch module 103,
Second switch conducting is controlled, the accumulator 2 after discharging at this time is in low potential, makes 2 constant-current discharge of accumulator.
The embodiment of the present invention controls first switch module 102 by processor module 101 and is connected, control transforming plant DC system
The electric discharge of the accumulator 2 of system, and by measure accumulator 2 discharge when voltage variety and electric discharge duration, obtain accumulator 2
Capacity, then control first switch module 103 conducting, control straight-flow system accumulator 2 is recharged, realize power transformation and stand erectly
The accumulator 2 of streaming system, which automates core, to be held, and is solved since 2 groups of the accumulator periodically property checked of transformer station direct current system is put
The Industry that electricity work must on the spot be operated by professional, the operation dimension of 2 groups of caused transformer station direct current system and accumulator
Protect the low technical problem of working efficiency.
It is a kind of the specific of one embodiment of the autocontrol method of transformer station direct current system provided by the invention above
Illustrate, below specifically for a kind of another embodiment of the autocontrol method of transformer station direct current system provided by the invention
It is bright.
Referring to Fig. 2, an embodiment of the present invention provides a kind of autocontrol methods of transformer station direct current system, including：
A201：When the core that processor module 101 receives the transmission of host computer 5 holds instruction, processor module 101 to first
The transmission preset discharge drive signal of switch module 102, the turn-on frequency by controlling first switch module 102 control energy storage electricity
The charge and discharge electric frequency for feeling L1, makes 2 constant-current discharge of accumulator；
Processor module is arrived it should be noted that sending 2 core of accumulator by the host computer 5 at background monitoring center and holding instruction
101, after processor module 101 receives the appearance instruction of 2 core of accumulator, drives and believe to the transmission preset discharge of first switch module 102
Number, the turn-on frequency by controlling first switch module 102 controls the charge and discharge electric frequency of energy storage inductor L1, makes 2 constant current of accumulator
Electric discharge；
Wherein, the waveform of discharge drive signal is as shown in Figure 4；
Wherein, energy storage inductor L1 is specifically used for when first switch module 102 is connected, and plays circuit protection and avoids electric current
It flows back into 2 cathode of accumulator and influences the technical issues of core holds result.
A202：Processor module 101 is according to 2 voltage variety of accumulator and storage got from electrical measurement module 104
The voltage value of battery 2 drops to the electric discharge duration needed for the first preset voltage values, obtains the capacity of accumulator 2；
It should be noted that when electrical measurement module 104 acquires accumulator 2 and drops to preset voltage value, processor
Module 101 stops the transmission preset discharge drive signal to first switch module 102, and is acquired according to electrical measurement module 104
Voltage value before constant output current when accumulator 2 discharges discharges with accumulator 2 and after the electric discharge of accumulator 2, obtains accumulator 2
Capability value.
A203：The capacity of accumulator 2 is sent to host computer 5 by processor module 101 by communication module 105；
It should be noted that the wireless communication modules 105 such as 3G or 4G communication modules 105 may be used in communication module 105,
The wire communication modules such as optical fiber, cable 105 may be used.
A204：Processor module 101 stops the transmission preset discharge drive signal to first switch module 102, and to
The preset charging drive signal of transmission of one switch module 103, the turn-on frequency by controlling first switch module 103 control energy storage
The charge and discharge electric frequency of inductance L1 makes the rectifier 3 in straight-flow system carry out constant-current charge to accumulator 2；
It should be noted that the voltage that processor module 101 receives 104 collected accumulator 2 of electrical measurement module reaches
When to the first preset voltage values, to the preset charging drive signal of transmission of first switch module 103, by controlling first switch mould
The charge and discharge electric frequency of the turn-on frequency control energy storage inductor L1 of block 103, makes 2 constant-current charge of accumulator；
When processor module 101 receives the voltage of 104 collected accumulator 2 of electrical measurement module, to be charged to second preset
When voltage, to the preset floating charge electric drive signal of transmission of first switch module 103, make the rectifier 3 in straight-flow system to electric power storage
Pond 2 carries out floating charge；
Wherein, charge drive signal waveform as shown in figure 5, the waveform of floating charge electric drive signal is as shown in Figure 6.
The embodiment of the present invention controls first switch module 102 by processor module 101 and is connected, control transforming plant DC system
The electric discharge of the accumulator 2 of system, and by measure accumulator 2 discharge when voltage variety and electric discharge duration, obtain accumulator 2
Capacity, then control first switch module 103 conducting, control straight-flow system accumulator 2 is recharged, realize power transformation and stand erectly
The accumulator 2 of streaming system, which automates core, to be held, while being also achieved through 105 remote control substation of host computer 5 and communication module
Holding from kinetonucleus for straight-flow system accumulator 2, solves since 2 groups of the accumulator periodically property checked of transformer station direct current system is put
The Industry that electricity work must on the spot be operated by professional, the operation dimension of 2 groups of caused transformer station direct current system and accumulator
Protect the low technical problem of working efficiency.
It is a kind of tool of another embodiment for holding method from kinetonucleus of transformer station direct current system provided by the invention above
Body illustrates, below specifically for a kind of one embodiment from kinetonucleus capacitance device of transformer station direct current system provided by the invention
It is bright.
Referring to Fig. 3, an embodiment of the present invention provides a kind of transformer station direct current systems from kinetonucleus capacitance device, for realizing
Any one transformer station direct current system referred to such as Fig. 1 embodiments or Fig. 2 embodiments holds method from kinetonucleus, including：Processor
Module 101, first switch module 102, first switch module 103, electrical measurement module 104 and energy storage inductor L1；
First general input/output port of processor module 101 is communicated to connect with the control terminal of first switch module 102；
The first end of energy storage inductor L1 is electrically connected with the anode of accumulator 2；
The second end of energy storage inductor L1 is electrically connected with the input terminal of first switch module 102；
The output end of first switch module 102 is electrically connected with the cathode of accumulator 2；
Second general input/output port of processor module 101 is communicated to connect with the control terminal of first switch module 103；
The output end of first switch module 103 is electrically connected with the input terminal of first switch module 102；
The input terminal of first switch module 103 is electrically connected with straight-flow system busbar；
The collection terminal of electrical measurement module 104 is electrically connected with accumulator 2.
Further, further include：Communication module 105；
The control communication port of communication module 105 is communicated to connect with the third general input/output port of processor module 101；
The transmitting-receiving communication port of communication module 105 is communicated to connect with host computer 5.
Further, first switch module 102 and first switch module 103 are specially IGBT power device modules.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Stating embodiment, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of transformer station direct current system holds method from kinetonucleus, which is characterized in that including：
S1：Processor module controls the conducting of first switch module, makes storage battery constant-current discharge；
S2：The processor module according to the electric discharge duration of the battery tension variable quantity and the accumulator that get,
Obtain the capacity of the accumulator；
S3：The processor module controls the first switch module and disconnects, and controls the conducting of second switch module, makes direct current system
Rectifier in system carries out constant-current charge to the accumulator.
2. a kind of transformer station direct current system according to claim 1 holds method from kinetonucleus, which is characterized in that the step
S2 is specifically included：
S21：The processor module is according to the battery tension variable quantity got from electrical measurement module and the storage
The voltage value of battery drops to the electric discharge duration needed for the first preset voltage values, obtains the capacity of the accumulator.
3. a kind of transformer station direct current system according to claim 2 holds method from kinetonucleus, which is characterized in that the step
S1 is specifically included：
S11：When the core that processor module receives host computer transmission holds instruction, the processor module is to first switch module
Transmission preset discharge drive signal, pass through and control the turn-on frequency of the first switch module and control the charge and discharge of energy storage inductor
Frequency makes storage battery constant-current discharge.
4. a kind of transformer station direct current system according to claim 3 holds method from kinetonucleus, which is characterized in that the step
S3 is specifically included：
S31：The preset charging drive signal of transmission of the processor module to second switch module is opened by control described second
The turn-on frequency for closing module controls the charge and discharge electric frequency of the energy storage inductor, makes the rectifier in straight-flow system to the accumulator
Carry out constant-current charge.
5. a kind of transformer station direct current system according to claim 4 holds method from kinetonucleus, which is characterized in that the step
Further include before S3：
S22：The capacity of the accumulator is sent to the host computer by the processor module by communication module.
6. a kind of transformer station direct current system according to claim 1 to 5 any one holds method from kinetonucleus, feature exists
In the first switch module and the second switch module are specially IGBT power device modules.
7. a kind of transformer station direct current system from kinetonucleus capacitance device, for realizing one as described in claim 1 to 6 any one
Kind transformer station direct current system holds method from kinetonucleus, which is characterized in that including：Processor module, first switch module, second open
Close module, electrical measurement module and energy storage inductor；
First general input/output port of the processor module and the control terminal of the first switch module communicate to connect；
The first end of the energy storage inductor is electrically connected with the anode of accumulator；
The second end of the energy storage inductor is electrically connected with the input terminal of the first switch module；
The output end of the first switch module is electrically connected with the cathode of the accumulator；
Second general input/output port of the processor module and the control terminal of the second switch module communicate to connect；
The output end of the second switch module is electrically connected with the input terminal of the first switch module；
The input terminal of the second switch module is electrically connected with straight-flow system busbar；
The collection terminal of the electrical measurement module is electrically connected with the accumulator.
8. a kind of transformer station direct current system according to claim 7 from kinetonucleus capacitance device, which is characterized in that further include：
Communication module；
The control communication port of the communication module is communicated to connect with the third general input/output port of the processor module；
The transmitting-receiving communication port of the communication module is communicated to connect with host computer.
9. a kind of transformer station direct current system according to claim 7 to 8 any one from kinetonucleus capacitance device, feature exists
In the first switch module and the second switch module are specially IGBT power device modules.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991544A (en) * | 2019-03-29 | 2019-07-09 | 国网辽宁省电力有限公司电力科学研究院 | A kind of topological structure and control method of novel online long-range contordled capacity experiment |
| CN109991544B (en) * | 2019-03-29 | 2024-10-11 | 国网辽宁省电力有限公司电力科学研究院 | Novel topological structure for online remote check capacity test and control method |
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