CN109861378A - Power supply hot change-over method, system, electronic equipment and computer-readable medium for power grid - Google Patents

Power supply hot change-over method, system, electronic equipment and computer-readable medium for power grid Download PDF

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Publication number
CN109861378A
CN109861378A CN201910139828.8A CN201910139828A CN109861378A CN 109861378 A CN109861378 A CN 109861378A CN 201910139828 A CN201910139828 A CN 201910139828A CN 109861378 A CN109861378 A CN 109861378A
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China
Prior art keywords
power
power supply
converted
output electric
multichannel
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CN201910139828.8A
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Chinese (zh)
Inventor
应永灵
童灵华
马振宇
苏毅芳
朱圣盼
叶浓美
袁志波
王林杰
王坚
沈旭
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Cixi Daming Electric Equipment Co Ltd
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Cixi Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Cixi Daming Electric Equipment Co Ltd
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Cixi Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by Cixi Daming Electric Equipment Co Ltd, Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd, Cixi Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Cixi Daming Electric Equipment Co Ltd
Priority to CN201910139828.8A priority Critical patent/CN109861378A/en
Publication of CN109861378A publication Critical patent/CN109861378A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of power supply hot change-over method, system, electronic equipment and computer-readable mediums for power grid.This method comprises: obtaining multichannel power supply to be converted, the power supply to be converted includes three phase mains and two-phase power supply;It is the multiple-output electric power of predetermined power by multichannel power conversion to be converted when the multiple power supplies meet default loading condiction;By multiple-output electric power input intelligent capacitor to carry out time control;And the input power at the multiple-output electric power Yu electricity consumption end is carried out hot-swap when meeting hot-swap logical condition.This disclosure relates to power supply hot change-over method, system, electronic equipment and the computer-readable medium for power grid, it realizes durings replacement, the maintenance etc. of comprehensive electricity, rapidly user is transferred on other power supplys, guarantees realization user's power supply continuous use purpose of safe and efficient rate.

Description

For the power supply hot change-over method of power grid, system, electronic equipment and computer-readable Medium
Technical field
This disclosure relates to power electronics field.
Background technique
It is general in power supply system, according to the reliability of power reguirements, can be powered using double-cricuit supply, when electric all the way When source is broken down, just may require that on the load switching on a line to another route, here it is it is so-called fall load, The when of falling load, due to wanting moment by two ring current cyclizations, Alloy White Iron is all bigger, so the when of falling load in short-term, according to Concrete condition, in fact it could happen that power off the case where falling load.Load: refer to and route (or transformer) load is transferred to other lines The operation of road (or transformer) power supply.It is cold fall: when route will borrow electricity, first the line outage, then close two-lines road Between interconnection switch;Heat is fallen: in the case that two-lines Lu Jun does not have a power failure, being closed interconnection switch, is then turned off by means of electric line Electric substation's outlet switch.Generally borrow electric line that need to have a power failure half an hour using cold, and mode can be by means of electricity without having a power failure for heat.
Route will carry out heat and fall, it is necessary to do the work of two steps, first: progress Load flow calculation usually considers the fortune of most serious Under line mode, Load flow calculation after the cyclization of two-lines road, to analyze the condition whether the two-lines road there is heat to fall;Second, core Phase will carry out respectively nuclear phase to A, B, C three-phase on two-lines road in liaison office, with determine two-lines road phase whether one It causes.In actual operation, the first step is easily mastered, through Load flow calculation, under the almost all of method of operation can cyclization, therefore, As long as calculating for the first time correctly, it is dangerous that there is no what later, but for second step, but there is larger hidden danger.This is because The transformation of distribution is more frequent, the contact point of route is more, while cable is widely used, so that after route changes, contact point Phase be likely to occur variation, therefore, nuclear phase should all be re-started after each track remodelling, this makes the workload of nuclear phase very Greatly, moreover, line construction unit with operation department as contacted not in time, it is possible to the thing of nuclear phase again occur after route variation not Part, to leave security risk to heat.
Therefore, it is necessary to a kind of new for the power supply hot change-over method of power grid, system, electronic equipment and computer-readable Jie Matter.
Summary of the invention
In view of this, the disclosure provides a kind of power supply hot change-over method, system, electronic equipment and computer for power grid Readable medium is realized durings replacement, the maintenance etc. of comprehensive electricity, rapidly user is transferred on other power supplys, guarantees peace Entirely, purpose is used continuously in efficient realization user's power supply.
Other characteristics and advantages of the disclosure will be apparent from by the following detailed description, or partially by the disclosure Practice and acquistion.
According to the one side of the disclosure, a kind of power supply hot change-over method for power grid is proposed, this method comprises: obtaining more Road power supply to be converted, the power supply to be converted include three phase mains and two-phase power supply;Meet preset negative in the multiple power supplies It is the multiple-output electric power of predetermined power by multichannel power conversion to be converted when lotus condition;By the multiple-output electric power Intelligent capacitor is inputted to carry out time control;And the input power at the multiple-output electric power Yu electricity consumption end meets earnestly When changing logical condition, hot-swap is carried out.
In a kind of exemplary embodiment of the disclosure, it includes: to pass through intelligence that the multiple power supplies, which meet default loading condiction, Energy detecting instrument, which determines in multichannel power supply to be converted, is all satisfied loading condiction per power supply to be converted all the way;With or pass through intelligence Energy detecting instrument, which determines in multichannel power supply to be converted, is all satisfied logic of propositions per on/off state to be converted all the way;Its In, the intelligent measurement instrument is obtaining the multichannel power supply to be converted by multiple access points to judge that the multichannel is to be converted Whether power supply meets preset condition.
It is the multichannel of predetermined power by multichannel power conversion to be converted in a kind of exemplary embodiment of the disclosure Out-put supply include: by the secondary current mutual inductor with multiport by multichannel power conversion to be converted be predetermined power Multiple-output electric power.
In a kind of exemplary embodiment of the disclosure, by the multiple-output electric power input the intelligent capacitor with into The row time, which controls the intelligent capacitor for including: the multiple-output electric power by multiple inactivity compensations, has power at least one The intelligent capacitor of compensation carries out time control.
In a kind of exemplary embodiment of the disclosure, intelligence that the multiple-output electric power passes through multiple inactivity compensations Capacitor and at least one to have the intelligent capacitor of power compensation to carry out time control include: the multiple-output electric power by can The intelligent capacitor that the data line of plug inputs multiple inactivity compensations has the intelligent capacitor of power compensation at least one.
In a kind of exemplary embodiment of the disclosure, the input power at the multiple-output electric power and electricity consumption end meets heat Switch logic condition comprises determining that the phase state of the input power at electricity consumption end;It determines every in the multiple-output electric power The phase state of the out-put supply all the way;And in the phase state of the input power and the phase shape of the out-put supply When state is consistent, the multiple-output electric power and the input power meet hot-swap logical condition.
In a kind of exemplary embodiment of the disclosure, the input power at the multiple-output electric power Yu electricity consumption end meets When hot-swap logical condition, being carried out hot-swap includes: to pass through the phase state of the input power in hot-switching process The sequence of hot-swap is determined with the phase state of the out-put supply.
According to the one side of the disclosure, a kind of power supply hot swapping system for power grid is proposed, which includes: distribution Cabinet, comprising: multiple power supplies port, for obtaining multichannel power supply to be converted, the power supply to be converted includes three phase mains and two Phase power supply;Intelligent measurement instrument, for judging whether multichannel power supply to be converted meets preset condition;Current transformer is used In when the multiple power supplies meet preset condition, by the multiple-channel output electricity that multichannel power conversion to be converted is predetermined power Source;Intelligent capacitor, for the multiple-output electric power by carrying out time control;And hot-swap module, for described The input power at multiple-output electric power and electricity consumption end carries out hot-swap logic judgment, and the multiple-output electric power with it is described defeated When entering power supply and meeting hot-swap logical condition, hot-swap is carried out.
According to the one side of the disclosure, a kind of electronic equipment is proposed, which includes: one or more processors; Storage device, for storing one or more programs;When one or more programs are executed by one or more processors, so that one A or multiple processors realize such as methodology above.
According to the one side of the disclosure, it proposes a kind of computer-readable medium, is stored thereon with computer program, the program Method as mentioned in the above is realized when being executed by processor.
It is real according to power supply hot change-over method, system, electronic equipment and the computer-readable medium for power grid of the disclosure Now during replacement, maintenance of comprehensive electricity etc., rapidly user is transferred on other power supplys, guarantees safe and efficient rate Realize that purpose is used continuously in user's power supply.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other target, feature and the advantage of the disclosure will It becomes more fully apparent.
Fig. 1 is a kind of system principle frame of power supply monitoring system for power grid shown according to an exemplary embodiment Figure.
Fig. 2 is that access point shows in a kind of method for monitoring power supply for power grid shown according to another exemplary embodiment It is intended to.
Fig. 3 is a kind of flow chart of method for monitoring power supply for power grid shown according to an exemplary embodiment.
Fig. 4 is a kind of block diagram of power conversion system for power grid shown according to an exemplary embodiment.
Fig. 5 to Fig. 9 is power distribution cabinet in a kind of power conversion system for power grid shown according to an exemplary embodiment Schematic diagram.
Figure 10 is the block diagram of a kind of electronic equipment shown according to an exemplary embodiment.
Figure 11 is that a kind of computer readable storage medium schematic diagram is shown according to an exemplary embodiment.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.
Fig. 1 is a kind of system principle frame of power supply monitoring system for power grid shown according to an exemplary embodiment Figure.Fig. 1 illustratively describes the schematic diagram of the power conversion system with 2 roads power input to be converted, is not general, tool There is the power conversion system schematic diagram of more multichannel power supply to be converted that will be easy to be derived by Fig. 1.
As shown in Figure 1, the power conversion system for power grid with 2 road input powers may include main incoming power and standby With incoming power, in other embodiments, the power conversion system for power grid with multichannel input power may include first Incoming power, the second incoming power, third incoming power etc., above each road incoming power pass through more power ports and access, More power ports are connect with chain breaker of plastic casing QF1, then by the power conversion system of plant-grid connection power distribution cabinet to be converted In.
In one embodiment, chain plastic housing short-circuiting device QF1 can be the multichannel breaker of plastic casing of 800A.Breaker of plastic casing energy It is enough to automatically cut off electric current after electric current is more than escape setting.Plastic housing refers to the shell with plastic insulation as device, uses Come between insulated conductor and ground metal portion.Breaker of plastic casing is also referred to as molded case circuit breaker, and all parts are all close It is encapsulated in plastic shell, auxiliary contact, under-voltage release and shunt release etc. mostly use modularization.Breaker of plastic casing is Contact, arc-chutes, buckle releaser and operating mechanism etc. are incorporated into a plastic shell, do not consider generally to repair, is suitable for making The protective switch of branch, overcurrent trip have Thermomagnetic type and two kinds of electronic type, and general Thermomagnetic type breaker of plastic casing is non-selection Property breaker, only overload long delay and the instantaneous two kinds of protected modes of short circuit, electronic type molded case circuit breaker has overload long delay, short Short out delay, short-circuit instantaneous and four kinds of defencive functions of ground fault.The product that part electronic type molded case circuit breaker is newly released also band There is regioselectivity chain function.Most of breaker of plastic casing are manual operation, also there is part band electric motor operating mechanism
In one embodiment, the multichannel power supply to be converted is obtained by more power ports;More power ports are Different electric currents, voltage, power amount multiple power interfaces.
Judged by the intelligent measurement instrument whether full per power supply to be converted all the way in multichannel power supply to be converted Sufficient loading condiction includes: the every power supply to be converted all the way judged in multichannel power supply to be converted by the intelligent measurement instrument Whether current limit condition is met;With or judged by the intelligent measurement instrument each in multichannel power supply to be converted Whether road power supply to be converted meets voltage limits condition;With or by the intelligent measurement instrument judge that the multichannel is to be converted Whether meet power limit condition per power supply to be converted all the way in power supply.
Multiple power supplies to be converted pass through after breaker of plastic casing, access primary current mutual inductor and secondary current mutual inductor In, wherein primary current mutual inductor can be the current transformer of BHO.66-60I-800/5, and secondary current mutual inductor can be ZD- 3T triplet secondary current mutual inductor.Current transformer is that primary side high current is converted into secondary side according to electromagnetic induction principle Low current is come the instrument that measures.Current transformer is made of the iron core and winding being closed.Its first side winding the number of turns is seldom, It goes here and there in the route for the electric current for needing to measure.Therefore it often has whole electric currents of route to flow through, and secondary side winding the number of turns compares It is more, it is serially connected in measuring instrumentss and protective loop, at work, its secondary side circuit is closure always to current transformer, Therefore the impedance very little of measuring instrumentss and protective loop series coil, the close short circuit of the working condition of current transformer.
In one embodiment, primary current mutual inductor and secondary current inductor are connected to subsequent by breaker of plastic casing In circuit network, wherein primary current mutual inductor can first pass through the breaker of plastic casing connection of 630A, then pass through the modeling of 200A again Case circuit breaker is connected with multiple arresters.Wherein, arrester can be the arrester of HY5W-0.28 model, which has Multichannel interface.
Wherein, multiple power supplys to be converted can be described as the first power supply by the power supply that arrester flows out, and the first power supply has more A electric wire branch, power supply of multiple power supplys to be converted by the outflow of secondary current mutual inductor can be described as second source, second source With 1 electric wire branch.
First power supply and second source are input in intelligent capacitor, and intelligent capacitor may include multiple inactivity compensations Intelligent capacitor and at least one have the intelligent capacitor of power compensation.In one embodiment, the first power supply and the second electricity Source has the intelligent capacitor of power compensation by the intelligent capacitor (1C, 2C and 3C) of three inactivity compensations and one (4C) is exported after carrying out time control to electricity consumption end.Wherein, the intelligent capacitor of inactivity compensation can be ZD-1CF, there is power benefit The intelligent capacitor repaid can be ZD-1CS.
In one embodiment, the first power supply can access intelligent capacitor by electric wire, and second source can pass through plug Data line inputs the intelligent capacitor.
Further, the time control of intelligent capacitor can include: pass through the intelligent capacitor and the multiple-channel output Per the corresponding preset time condition of out-put supply all the way in power supply, the output power per out-put supply all the way is determined in real time; And or by the intelligent capacitor in the multiple-output electric power per out-put supply all the way corresponding default timing condition, The output sequence per out-put supply all the way is determined in real time.
In one embodiment, the input power at the multiple-output electric power Yu electricity consumption end meets hot-swap logical condition When, carried out hot-swap.It can be for example, described to judge in multiple access points acquisition multichannel power supply to be converted of power distribution cabinet Whether multichannel power supply to be converted meets hot-swap logical condition;Wherein, the multiple access point includes: that at least one hyperbaric chamber connects Access point and at least one generator car access point.
Electric system is three-phase power supply system, has a fixed phase difference between three-phase, when two or more Power network it is arranged side by side when, phase must be identical, otherwise can make power grid can not paired running, or even generation and supply electric equipment can be damaged. Cable run is to connect the electrical equipment at some part both ends in system in the power system, in cable installation It finishes before being connected with electric system, it is necessary to carry out nuclear phase according to the phase in electric system.If phase is not inconsistent, can generate following Several results:
(1) when cable gets in touch with two power supplys, it can trip immediately, be unable to run because of phase fault when pushing to.
(2) phase when having two-phase wrong by cable run power transmission to user, the motor that will use family reverses.Work as three-phase After whole wrongs, though do not cause motor to reverse, the user for having double loop power supply can not then be handed over and uses dual power supply;To only one The user of a power supply, then after it applies for backup power source, can generate can not do spare consequence.
(3) when being sent a little by cable run to network transformer, it can make low power grid can not ring paired running.
(4) double and or more and cable run in when having a wrong phase, if do not found when making DC break down voltage experiment Out, then it can generate because phase fault pushes away the disastrous effect of not upper switch.
Therefore, during hot-swap, it is desirable that the same phase of the phase requirements for the terminal device that cable is often connected is right 0.4KV system for example can carry out nuclear phase with multimeter;It, can be for example fixed with special high-pressure to 3-35KV Neutral point nonearthing system Phase bar carries out nuclear phase;To 110KV and the above solidly earthed neutral system, can for example be sentenced by wireless high-voltage phasing tester It is disconnected.
Fig. 2 is that access point shows in a kind of method for monitoring power supply for power grid shown according to another exemplary embodiment It is intended to.Fig. 2 is circuit connection scheme schematic diagram in distribution box, and wherein generator car can access distribution box in A, B, C, D, and hot-swap is patrolled The condition of collecting can be for example in A, B, C, and D point is judged.
Wherein, A point be suitable for monitor high-pressure section appearance failure, A point progress Power Supply Monitoring when needs in distribution The hyperbaric chamber of case carries out individual cable switching;
B point is suitable for monitoring the failure of transformer portion appearance;
C point be suitable for monitor low pressure inlet wire part appearance failure, monitor low pressure inlet wire part failure when It waits, first the lap device for being identified as X can be cut off, be then monitored again by the access of C point.
The failure that D point is suitable for monitoring the appearance of low-pressure line-outgoing part can be first when monitoring the failure of low-pressure line-outgoing part The lap device cutting for being identified as XX, then it is monitored again by the access of D point.
In different access points, setting short circuit breaking current limit value, short circuit breaking current limit value can be 30kA.
According to the power supply hot change-over method for power grid of the disclosure, by carrying out hot-swap logic to electric power to be converted The method of condition judgement, carries out logic judgment automatically, when meeting condition, then carries out the mode of hot-swap, can be realized comprehensive During closing replacement, maintenance of electricity etc., rapidly user is transferred on other power supplys, guarantees that the realization of safe and efficient rate is used Purpose is used continuously in family power supply.
Fig. 3 is a kind of flow chart of method for monitoring power supply for power grid shown according to an exemplary embodiment.For The method for monitoring power supply of power grid includes at least step S302 to S308.
As shown in figure 3, obtaining multichannel power supply to be converted in S302, the power supply to be converted includes three phase mains, and Two-phase power supply.Wherein, the multichannel power supply to be converted is obtained by more power ports;More power ports be different electric currents, Multiple power interfaces of voltage, power amount.
In S304, when the multiple power supplies meet default loading condiction, it is by multichannel power conversion to be converted The multiple-output electric power of predetermined power.Include: by intelligent measurement instrument determine in multichannel power supply to be converted per all the way to Conversion electric power is all satisfied loading condiction;He or by intelligent measurement instrument determine in multichannel power supply to be converted per all the way to Conversion electric power on off operating mode is all satisfied logic of propositions;Wherein, the intelligent measurement instrument is by described in the acquisition of multiple access points Multichannel power supply to be converted is to judge whether multichannel power supply to be converted meets preset condition.
In one embodiment, include: by the multiple-output electric power that multichannel power conversion to be converted is predetermined power It is by the secondary current mutual inductor with multiport that the multiple-channel output that multichannel power conversion to be converted is predetermined power is electric Source.
In S306, by multiple-output electric power input intelligent capacitor to carry out time control.It include: the multichannel When out-put supply has the intelligent capacitor of power compensation to carry out by the intelligent capacitor of multiple inactivity compensations at least one Between control.Wherein, the multiple-output electric power inputs the intelligent capacitor of multiple inactivity compensations by pluggable data line There is the intelligent capacitor of power compensation at least one.
It, will when the input power at the multiple-output electric power Yu electricity consumption end meets hot-swap logical condition in S308 It carries out hot-swap.
In one embodiment, the multiple-output electric power and the input power at electricity consumption end meet hot-swap logical condition packet It includes: determining the phase state of the input power at electricity consumption end;It determines in the multiple-output electric power per the output electricity all the way The phase state in source;It is described and when the phase state of the input power is consistent with the phase state of the out-put supply Multiple-output electric power and the input power meet hot-swap logical condition.
In one embodiment, the input power at the multiple-output electric power Yu electricity consumption end meets hot-swap logical condition When, being carried out hot-swap includes: to pass through the phase state and the out-put supply of the input power in hot-switching process Phase state determine the sequence of hot-swap.
It will be appreciated by those skilled in the art that realizing that all or part of the steps of above-described embodiment is implemented as being executed by CPU Computer program.When the computer program is executed by CPU, above-mentioned function defined by the above method that the disclosure provides is executed Energy.The program can store in a kind of computer readable storage medium, which can be read-only memory, magnetic Disk or CD etc..
Further, it should be noted that above-mentioned attached drawing is only the place according to included by the method for disclosure exemplary embodiment Reason schematically illustrates, rather than limits purpose.It can be readily appreciated that above-mentioned processing shown in the drawings is not indicated or is limited at these The time sequencing of reason.In addition, be also easy to understand, these processing, which can be, for example either synchronously or asynchronously to be executed in multiple modules.
Following is embodiment of the present disclosure, can be used for executing embodiments of the present disclosure.
Fig. 4 is a kind of block diagram of power conversion system for power grid shown according to an exemplary embodiment.For electricity The power conversion system of net includes: that power distribution cabinet 400 includes: multiple power supplies port 402, intelligent measurement instrument 404, current transformer 406, intelligent capacitor 408;Hot-swap module 410.
For obtaining multichannel power supply to be converted, the power supply to be converted includes three phase mains for multiple power supplies port 402, and Two-phase power supply;Multiple power supplies port 402 is connect with chain breaker of plastic casing QF1, then by plant-grid connection power distribution cabinet to be converted Power conversion system in.
Intelligent measurement instrument 404 is for judging whether multichannel power supply to be converted meets preset condition;Specifically can for example, Whether meeting in multichannel power supply 402 to be converted per power supply to be converted all the way judged by the intelligent measurement instrument 404 Loading condiction;With or by the intelligent measurement instrument 404 judge multichannel power supply 402 to be converted on off operating mode whether Meet logic of propositions.
Current transformer 406 is used for when the multiple power supplies meet preset condition, and multichannel power supply to be converted is turned Turn to the multiple-output electric power of predetermined power;Current transformer 406 is specific can include: primary current mutual inductor and secondary current are mutual Sensor.Wherein, primary current mutual inductor can first pass through the breaker of plastic casing connection of 630A, then pass through the plastic housing open circuit of 200A again Device is connected with multiple arresters.Wherein, arrester can be the arrester of HY5W-0.28 model, which connects with multichannel Mouthful.
Intelligent capacitor 408 is for the multiple-output electric power by exporting after carrying out time control to electricity consumption end.First Power supply can access intelligent capacitor by electric wire, and second source can input the intelligent capacitor by the data line of plug.
Hot-swap module 410 is used to carry out hot-swap logic to the input power of the multiple-output electric power and electricity consumption end to sentence It is disconnected, and when the multiple-output electric power and the input power meet hot-swap logical condition, carried out hot-swap.
According to the power supply hot swapping system for power grid of the disclosure, by carrying out hot-swap logic to electric power to be converted The method of condition judgement, carries out logic judgment automatically, when meeting condition, then carries out the mode of hot-swap, can be realized comprehensive During closing replacement, maintenance of electricity etc., rapidly user is transferred on other power supplys, guarantees that the realization of safe and efficient rate is used Purpose is used continuously in family power supply.
Fig. 5-Fig. 9 is power distribution cabinet in a kind of power conversion system for power grid shown according to an exemplary embodiment Schematic diagram.Fig. 5 is the overview of power distribution cabinet, and Fig. 6 is the schematic diagram of power distribution cabinet cut by A point, and Fig. 7 is power distribution cabinet by B The schematic diagram of point incision, Fig. 8 is the schematic diagram of power distribution cabinet cut by C point, and Fig. 9 is the schematic diagram of power distribution cabinet cut by D point.
Power distribution cabinet is also at high-tension switch cabinet: it is the electrical equipment based on breaker;Refer to manufacturer according to electrical The requirement of primary connection circuit figure, by related high and low voltage electrical equipment (including control electric appliance, protection electric appliance, measurement electric appliance) and mother Line, current-carrying conductor, insulator etc. are assemblied in closed or open metal cabinet, as receiving in electric system and distribute electricity The device of energy.It generally comprises:
High-voltage Incoming Cabinet: it is the high-voltage board of disjunction high pressure incoming power, is not real incoming line cabinet in fact, and inlet wire is general It does not connect instead of on this cabinet, connects on isolation cabinet, but it has breaker (vacuum) energy disjunction incoming power so It is incoming line cabinet.10kV power supply usually is introduced from supply network, electric energy is sent to 10kV bus by switchgear by 10kV power supply, this A switchgear is exactly incoming line cabinet.Incoming line cabinet is the master switch cabinet of load side, which is responsible for the electric current that whole section of bus is carried, by What is coupled in the switchgear is that main transformer and low-pressure side load export, and just shows the important place of its effect.In terms of relay protection When main transformer low-pressure side bus or breaker break down, the overcurrent protection tripping incoming line cabinet of step down side to be leaned on to switch Cut off failure.Low-pressure side bus failure will lean on the back-up protection of main transformer low-pressure side also to cut off incoming line cabinet switch.Transformer Differential protection movement also cuts off step down side breaker, that is, incoming line cabinet.
In one embodiment, the multiple power supplies port in the disclosure, current transformer, plug type data line, described Intelligent capacitor is located in High-voltage Incoming Cabinet.
Metering cabinet: as the term suggests be used to fill kilowatt-hour meter, the accurate cabinet for measuring electricity consumption, the cabinet include resistance and Capacity cell.
High-voltage terminal cabinet: his effect is for distributing and conveying electric energy, and the transformer or high pressure of his general band are used Electric equipment (motor) and high pressure compensation equipment etc..
Low voltage incoming line cabinet: being usually the First cabinet to get off from transformer, also referred to as low total cabinet, for controlling following institute Some electrical equipments, his master switch are generally used frame circuit breaker.
Capacitor box: his effect, for compensating power quality, increase power factor.In one embodiment, the disclosure In multiple power supplies port, current transformer, plug type data line, the intelligent capacitor may be additionally located in capacitor box.
Low-pressure line-outgoing cabinet: his effect is directly arrived substantially unlike he and high pressure for distributing and conveying electric energy Electrical equipment, switch generally use breaker of plastic casing.
Figure 10 is the block diagram of a kind of electronic equipment shown according to an exemplary embodiment.
The electronic equipment 200 of this embodiment according to the disclosure is described referring to Figure 10.The electricity that Figure 10 is shown Sub- equipment 200 is only an example, should not function to the embodiment of the present disclosure and use scope bring any restrictions.
As shown in Figure 10, electronic equipment 200 is showed in the form of universal computing device.The component of electronic equipment 200 can be with Including but not limited to: at least one processing unit 210, at least one storage unit 220, the different system components of connection (including are deposited Storage unit 220 and processing unit 210) bus 230, display unit 240 etc..
Wherein, the storage unit is stored with program code, and said program code can be held by the processing unit 210 Row, so that the processing unit 210 executes described in this specification above-mentioned electronic prescription circulation processing method part according to this The step of disclosing various illustrative embodiments.For example, the processing unit 210 can execute step as shown in Figure 3.
The storage unit 220 may include the readable medium of volatile memory cell form, such as random access memory Unit (RAM) 2201 and/or cache memory unit 2202 can further include read-only memory unit (ROM) 2203.
The storage unit 220 can also include program/practical work with one group of (at least one) program module 2205 Tool 2204, such program module 2205 includes but is not limited to: operating system, one or more application program, other programs It may include the realization of network environment in module and program data, each of these examples or certain combination.
Bus 230 can be to indicate one of a few class bus structures or a variety of, including storage unit bus or storage Cell controller, peripheral bus, graphics acceleration port, processing unit use any bus structures in a variety of bus structures Local bus.
Electronic equipment 200 can also be with one or more external equipments 300 (such as keyboard, sensing equipment, bluetooth equipment Deng) communication, can also be enabled a user to one or more equipment interact with the electronic equipment 200 communicate, and/or with make Any equipment (such as the router, modulation /demodulation that the electronic equipment 200 can be communicated with one or more of the other calculating equipment Device etc.) communication.This communication can be carried out by input/output (I/O) interface 250.Also, electronic equipment 200 can be with By network adapter 260 and one or more network (such as local area network (LAN), wide area network (WAN) and/or public network, Such as internet) communication.Network adapter 260 can be communicated by bus 230 with other modules of electronic equipment 200.It should Understand, although not shown in the drawings, other hardware and/or software module can be used in conjunction with electronic equipment 200, including but unlimited In: microcode, device driver, redundant processing unit, external disk drive array, RAID system, tape drive and number According to backup storage system etc..
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented Mode can also be realized by software realization in such a way that software is in conjunction with necessary hardware.Therefore, according to the disclosure The technical solution of embodiment can be embodied in the form of software products, which can store non-volatile at one Property storage medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) in or network on, including some instructions are so that a calculating Equipment (can be personal computer, server or network equipment etc.) executes the above method according to disclosure embodiment.
Figure 11 schematically shows a kind of computer readable storage medium schematic diagram in the embodiment of the present disclosure.
With reference to shown in Figure 11, the program product for realizing the above method according to embodiment of the present disclosure is described 400, can using portable compact disc read only memory (CD-ROM) and including program code, and can in terminal device, Such as it is run on PC.However, the program product of the disclosure is without being limited thereto, in this document, readable storage medium storing program for executing can be with To be any include or the tangible medium of storage program, the program can be commanded execution system, device or device use or It is in connection.
Described program product can be using any combination of one or more readable mediums.Readable medium can be readable letter Number medium or readable storage medium storing program for executing.Readable storage medium storing program for executing for example can be but be not limited to electricity, magnetic, optical, electromagnetic, infrared ray or System, device or the device of semiconductor, or any above combination.The more specific example of readable storage medium storing program for executing is (non exhaustive List) include: electrical connection with one or more conducting wires, portable disc, hard disk, random access memory (RAM), read-only Memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read only memory (CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.
The computer readable storage medium may include in a base band or the data as the propagation of carrier wave a part are believed Number, wherein carrying readable program code.The data-signal of this propagation can take various forms, including but not limited to electromagnetism Signal, optical signal or above-mentioned any appropriate combination.Readable storage medium storing program for executing can also be any other than readable storage medium storing program for executing Readable medium, the readable medium can send, propagate or transmit for by instruction execution system, device or device use or Person's program in connection.The program code for including on readable storage medium storing program for executing can transmit with any suitable medium, packet Include but be not limited to wireless, wired, optical cable, RF etc. or above-mentioned any appropriate combination.
Can with any combination of one or more programming languages come write for execute the disclosure operation program Code, described program design language include object oriented program language-Java, C++ etc., further include conventional Procedural programming language-such as " C " language or similar programming language.Program code can be fully in user It calculates and executes in equipment, partly executes on a user device, being executed as an independent software package, partially in user's calculating Upper side point is executed on a remote computing or is executed in remote computing device or server completely.It is being related to far Journey calculates in the situation of equipment, and remote computing device can pass through the network of any kind, including local area network (LAN) or wide area network (WAN), it is connected to user calculating equipment, or, it may be connected to external computing device (such as utilize ISP To be connected by internet).
Above-mentioned computer-readable medium carries one or more program, when said one or multiple programs are by one When the equipment executes, so that the computer-readable medium implements function such as: obtaining multichannel power supply to be converted, the electricity to be converted Source includes three phase mains and two-phase power supply;It is when the multiple power supplies meet default loading condiction, the multichannel is to be converted Power conversion is the multiple-output electric power of predetermined power;By multiple-output electric power input intelligent capacitor to carry out time control System;And the input power at the multiple-output electric power Yu electricity consumption end is carried out earnestly when meeting hot-swap logical condition It changes.
It will be appreciated by those skilled in the art that above-mentioned each module can be distributed in device according to the description of embodiment, it can also Uniquely it is different from one or more devices of the present embodiment with carrying out corresponding change.The module of above-described embodiment can be merged into One module, can also be further split into multiple submodule.
By the description of above embodiment, those skilled in the art is it can be readily appreciated that example embodiment described herein It can also be realized in such a way that software is in conjunction with necessary hardware by software realization.Therefore, implemented according to the disclosure The technical solution of example can be embodied in the form of software products, which can store in a non-volatile memories In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.) or on network, including some instructions are so that a calculating equipment (can To be personal computer, server, mobile terminal or network equipment etc.) it executes according to the method for the embodiment of the present disclosure.

Claims (10)

1. a kind of power supply hot change-over method for power grid characterized by comprising
Multichannel power supply to be converted is obtained, the power supply to be converted includes three phase mains and two-phase power supply;
It is the multichannel of predetermined power by multichannel power conversion to be converted when the multiple power supplies meet default loading condiction Out-put supply;
By multiple-output electric power input intelligent capacitor to carry out time control;And
When input power at the multiple-output electric power Yu electricity consumption end meets hot-swap logical condition, hot-swap is carried out.
2. the method as described in claim 1, which is characterized in that the multiple power supplies meet default loading condiction and include:
It is determined in multichannel power supply to be converted by intelligent measurement instrument and is all satisfied loading condiction per power supply to be converted all the way; With or
Determine that every on/off state to be converted all the way is all satisfied pre- in multichannel power supply to be converted by intelligent measurement instrument If logic;
Wherein, the intelligent measurement instrument is obtaining the multichannel power supply to be converted by multiple access points to judge the multichannel Whether power supply to be converted meets preset condition.
3. the method as described in claim 1, which is characterized in that by multichannel power conversion to be converted be predetermined power it is more Road out-put supply includes:
It is by the secondary current mutual inductor with multiport that the multichannel that multichannel power conversion to be converted is predetermined power is defeated Power supply out.
4. the method as described in claim 1, which is characterized in that by the multiple-output electric power input the intelligent capacitor with Carrying out time control includes:
The multiple-output electric power has the intelligence of power compensation at least one by the intelligent capacitor of multiple inactivity compensations Capacitor carries out time control.
5. method as claimed in claim 4, which is characterized in that the intelligence that the multiple-output electric power passes through multiple inactivity compensations Energy capacitor has the intelligent capacitor of power compensation to carry out time control at least one
The multiple-output electric power inputs the intelligent capacitor and at least one of multiple inactivity compensations by pluggable data line A intelligent capacitor for having power compensation.
6. the method as described in claim 1, which is characterized in that the multiple-output electric power and the input power at electricity consumption end meet Hot-swap logical condition includes:
Determine the phase state of the input power at electricity consumption end;
Determine the phase state in the multiple-output electric power per the out-put supply described all the way;And
When the phase state of the input power is consistent with the phase state of the out-put supply, the multiple-output electric power with The input power meets hot-swap logical condition.
7. method as claimed in claim 6, which is characterized in that the input power at the multiple-output electric power Yu electricity consumption end is full When sufficient hot-swap logical condition, being carried out hot-swap includes:
In hot-switching process, determined by the phase state of the input power and the phase state of the out-put supply fervent The sequence changed.
8. a kind of power conversion system for power grid characterized by comprising
Power distribution cabinet, comprising:
Multiple power supplies port, for obtaining multichannel power supply to be converted, the power supply to be converted includes three phase mains and two phase electricity Source;
Intelligent measurement instrument, for judging whether multichannel power supply to be converted meets preset condition;
Current transformer, for being pre- by multichannel power conversion to be converted when the multiple power supplies meet preset condition Determine the multiple-output electric power of power;
Intelligent capacitor, for the multiple-output electric power by carrying out time control;And
Hot-swap module carries out hot-swap logic judgment for the input power to the multiple-output electric power and electricity consumption end, and When the multiple-output electric power and the input power meet hot-swap logical condition, hot-swap is carried out.
9. a kind of electronic equipment characterized by comprising
One or more processors;
Storage device, for storing one or more programs;
When one or more of programs are executed by one or more of processors, so that one or more of processors are real The now method as described in any in claim 1-7.
10. a kind of computer-readable medium, is stored thereon with computer program, which is characterized in that described program is held by processor The method as described in any in claim 1-7 is realized when row.
CN201910139828.8A 2019-02-26 2019-02-26 Power supply hot change-over method, system, electronic equipment and computer-readable medium for power grid Pending CN109861378A (en)

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Application publication date: 20190607