CN104052148A - Automatic switching and automatic recovery method and device suitable for diesel generator - Google Patents
Automatic switching and automatic recovery method and device suitable for diesel generator Download PDFInfo
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- CN104052148A CN104052148A CN201410291053.3A CN201410291053A CN104052148A CN 104052148 A CN104052148 A CN 104052148A CN 201410291053 A CN201410291053 A CN 201410291053A CN 104052148 A CN104052148 A CN 104052148A
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Abstract
The invention discloses a method for diesel generator automatic switching (automatic switching for short) and automatic power supply recovery (automatic recovery for short) of a working incoming line power source. The method includes the steps that electrical quantity and switching value information on incoming lines, bus bars and diesel engine circuits is collected to finish the preparation process of automatic switching or automatic recovery; after the preparation process of automatic switching is finished, when the bus bars have no voltages and the incoming lines have no voltages and currents, a diesel generator is started, incoming line switches and outgoing line switches are broken, a diesel generator switch and the outgoing line switches are closed, and therefore automatic switching is achieved; after the preparation process of automatic recovery is finished, due to the automatic recovery action, the outgoing line switches and the diesel generator switch are broken, the incoming line switches and the outgoing line switches are closed after the incoming lines are recovered to have voltages, and therefore automatic recovery is achieved. In addition, the invention further provides a corresponding device, furthermore, an intelligent closing and breaking control function is added to the outgoing line switches, and the electromechanical transient process of diesel generator starting, shutdown and load switching is improved in the automatic switching and automatic recovery processes.
Description
Technical field
The invention belongs to field of power, particularly a kind of diesel engine generator drops into the method and apparatus of (hereinafter to be referred as hauling oneself willingly into) and work incoming power automatic recovery of power supply (hereinafter to be referred as runback) automatically.
Background technology
Diesel engine generator is because capacity is large, and the advantages such as flexible operation, the high and low discharge of convenient, intelligent degree are widely applied in emergency power supply system.For the system that has emergency diesel generator, when after work incoming power (hereinafter to be referred as inlet wire) dead electricity, generally start diesel engine generator, power supply is provided to all or part of load by diesel engine generator; After inlet wire restores electricity, then excise diesel engine generator, give load power supply by inlet wire.
Diesel engine generator start and stop (start, shut down) and switching load process are typical electromechanical transient processes; the voltage of system, electric current, frequency (rotating speed) have obvious fluctuation during this time; if misoperation; can increase the system transient modelling time on the one hand; affect the quality of power supply, can aggravate on the other hand wear of diesel engines and even cause scuffing of cylinder bore, burning accident.Related content can be with reference to " 11 kinds of misoperations of diesel engine " (Wu Xiuhai, engineering machinery and maintenance, the 3rd phase in 2007, the 157th page), " modeling of automatic system of marine diesel-generator group with operation simulation study " (Li Donghui, the Maritime Affairs University Of Dalian, master thesis, 2011).
At present, the switching common methods between inlet wire and diesel engine generator has:
Method one, by staff in conjunction with relevant code with experience completes alone or jointly complete handoff procedure with backup auto-activating device.
Method two, uses conventional backup auto-activating device (or power transfer device) to complete the handoff procedure of inlet wire and diesel engine generator.In the time of inlet wire decompression, excise inlet wire, close diesel engine generator switch; After inlet wire restores electricity, then excise diesel engine generator, close corresponding service entrance switch.
Method three, the disclosed a kind of power plant of patent CN201110175015.8 emergency power supply prepared auto restart control system: in the time of civil power working power dead electricity, start civil power stand-by power supply, cannot start civil power stand-by power supply time, start diesel engine power supply, after civil power working power restores electricity, switchback is to civil power working power.
Method four, the disclosed a kind of full automatic fast generator of diesel engine starting by electricity of patent 89103744.6, is applicable to middle-size and small-size electricity starting diesel generating set, starts diesel engine power supply and turn for civil power in good time after commercial power interruption.
There are some problems in above-mentioned existing method.
Method one has increased staff's workload; There is the potential safety hazards such as misoperation; Manual operation is slower, and longer switching time can be to bring certain economic benefit impact by electric unit.
Method two～method four is not done further deciliter control to outlet switch before switching diesel engine generator, simply diesel engine generator is equivalent to jumbo working power for subsequent use, owing to not considering the impact of electromechanical transient process, may in the time of switching, increase the system transient modelling time, affect the quality of power supply, even can aggravate wear of diesel engines and even cause scuffing of cylinder bore, burning accident.Be difficult to identify some does not need to haul oneself willingly into or the situation of runback simultaneously: during as situations such as voltage secondary circuit broken string, interruption maintenances, may think dead electricity by mistake and move.
Summary of the invention
Object of the present invention is; a kind of be applicable to hauling oneself willingly into of diesel engine generator and improving one's methods and installing of runback (runback hauled oneself willingly in abbreviation) are proposed; retain existing backup auto-activating device auto-action, the quick advantage of switching; increase further deciliter of outlet switch has been controlled to function; improve the electromechanical transient process of hauling oneself willingly into diesel engine generator start/stop machine in runback process, switching load, increased to haul oneself willingly into simultaneously and sentence play with runback set-up procedure and electric current and carry out Intelligent Recognition and haul oneself willingly into runback.
In order to achieve the above object, the technical solution used in the present invention is:
Be applicable to hauling oneself willingly into and runback (runback hauled oneself willingly in an abbreviation) method of diesel engine generator, comprise the steps:
(1) gather inlet wire, bus, diesel generation machine circuit power on tolerance and switching value information;
(2) detect that electric parameters, switching value meet predefined while hauling oneself willingly into preparatory condition, complete and haul oneself willingly into set-up procedure (or be called haul oneself willingly into charging process); Detect when electric parameters, switching value meet predefined runback preparatory condition, complete runback set-up procedure (or being called runback charging process);
(3) detected and hauled oneself willingly into after set-up procedure, when bus is with no pressure, inlet wire is with no pressure during without stream, hauls oneself willingly into action launching diesel engine generator, jumps into wiretap, outlet switch, closes diesel engine generator switch, outlet switch;
(4) detected after runback set-up procedure, when inlet wire recovers to have after pressure, wiretap, diesel engine generator switch are jumped out in runback action, close service entrance switch, outlet switch.
Further, in described step (2), while meeting preparatory condition, complete set-up procedure through time delay, wherein preparatory condition comprises charge condition and discharging condition.When meeting charge condition, and while not meeting discharging condition, represent to meet preparatory condition; After set-up procedure (or being called charging process) completes, if charge condition is no longer satisfied, set-up procedure is still completion status, if but have discharging condition to occur, set-up procedure becomes unfinished state immediately.
Under different electric main wiring diagrams and operational mode, charging and discharging condition is generally incomplete same.Hauling oneself willingly into charge condition is some signals of hauling oneself willingly into the position of the switch such as the front inlet wire of action, diesel engine generator and busbar voltage situation for describing diesel engine generator, the normal condition of hauling oneself willingly into before action with embodiment diesel engine generator is inlet wire power supply, diesel engine generator is in stand-by state, hauling oneself willingly into discharging condition is not allow diesel engine generator to haul oneself willingly into or haul oneself willingly into the more completed signals of whole actions, in the time meeting discharging condition, haul oneself willingly into charging process and stop.
Being for describing inlet wire from some signals that recover action preceding switch position and busbar voltage situation from recovering charge condition, is to be powered by diesel engine generator to embody bus and the outlet state before diesel engine generator is hauled oneself willingly into action, and electrical network inlet wire is in stand-by state.Be not allow inlet wire from recovering or certainly recover all more completed signals of action from recovering discharging condition, in the time meeting discharging condition, runback charging process stops.
Further, the predefined charge condition of hauling oneself willingly into comprises that service entrance switch is in co-bit, and bus has pressure, and diesel engine generator switch is in a point position; Haul oneself willingly into discharging condition and comprise that hauling oneself willingly into course of action finishes, or the definite value that has locking to haul oneself willingly into, or have that locking hauls oneself willingly into open into or have warning and the actuating signal that locking is hauled oneself willingly into.
Further, predefined runback charge condition comprises that diesel engine generator switch is in co-bit, and bus has pressure, and service entrance switch is in a point position; Runback discharging condition comprises that runback course of action finishes, or has the definite value of locking runback, or has warning and the actuating signal of opening into or have locking runback of locking runback.
Further, in described step (3), haul oneself willingly into method of operating detailed step as follows:
(1) detected and hauled oneself willingly into set-up procedure, bus, inlet wire be completely without pressure, and inlet wire during without stream, starts diesel engine generator, jumps into wiretap;
(2) according to the excision mode setting in advance, jump out wiretap, if there is block switch, according to predetermined set mode, close (or not conforming to) block switch;
(3) detecting that diesel oil is sent out after action launching completes closes diesel engine generator switch, detects that bus recovers to have after pressure, closes outlet switch.
Further: described in haul oneself willingly in action step (three), while closing outlet switch, first close the outlet that important level is the highest, if reach diesel engine generator capability value, stop continuing to close other outlet switchs, if also do not reach setting capacity, close important level time high outlet switch, until reach the diesel engine generator capability value of setting.
Further, in described step (4), runback method of operating detailed step is as follows:
(1) runback set-up procedure detected, inlet wire recovers to have pressure, have after runback enabling signal, send and prepare to cut diesel engine generator signal, then according to the excision mode setting in advance, jump out wiretap, if there is block switch, select to jump (or not jumping) block switch according to the mode of setting in advance.
(2) jump diesel engine generator switch, after bus is with no pressure, close service entrance switch, outlet switch.
Further, the diesel engine generator that detects described in starts settling signal, certainly recovers enabling signal can be to open into signals such as, guidance commands; Also can be to pre-set time delayed signal (time delay reaches after time definite value and thinks and receive signal).
The present invention also provides a kind of automatic change and automatic recovery device that is applicable to diesel engine generator, and it is characterized in that comprising acquisition module, preparation module, haul oneself willingly into action module, runback action module, wherein:
Described acquisition module gathers inlet wire, bus, diesel generation machine circuit power on tolerance and switching value information for protective relaying device;
Described preparation module is for according to the electric parameters, the switching value that gather with preset and haul oneself willingly into preparatory condition and runback preparatory condition has judged whether to haul oneself willingly into set-up procedure or runback set-up procedure;
The described result of action module for judging according to preparation module of hauling oneself willingly into, haul oneself willingly into set-up procedure and bus is with no pressure, inlet wire is with no pressure without when stream when completing, protective relaying device sends startup diesel engine generator, jumps into wiretap, outlet switch, closes diesel engine generator switch, outlet switch order;
Described runback action module, for according to the result of preparation module judgement, is recovered to have after pressure when completing runback set-up procedure and inlet wire, and protective relaying device sends jumps out wiretap, diesel engine generator switch, closes service entrance switch, outlet switch order.
Further, described in, haul oneself willingly into action module concrete function as follows:
(1) detected and hauled oneself willingly into set-up procedure and bus is with no pressure, inlet wire is with no pressure without when stream, sent and start diesel engine generator and jump into wiretap order;
(2) according to the excision mode setting in advance, send and jump out wiretap order, if there is block switch, according to predetermined set mode, send (or not sending) and close block switch order;
(3) detect that diesel oil is sent out after action launching completes and send and close diesel engine generator switch command, detect that bus recovers to have after pressure, send and close outlet switch order.
Further, described runback action module concrete function is as follows:
(1) detected that runback set-up procedure and inlet wire recover to have pressure, have after runback enabling signal, send and prepare to cut diesel engine generator signal, then according to the excision mode setting in advance, send and jump out wiretap order, if there is block switch, according to setting in advance mode, sends (or not sending) and jump block switch order;
(2) send and jump diesel engine generator switch command, after bus is with no pressure, sends and close service entrance switch, outlet switch order.
Further; the described jumping that in action module and runback action module, protective relaying device sends/close service entrance switch, outlet switch, the diesel engine generator switch command hauled oneself willingly into; by different relay tips on closing device, or send to final controlling element to realize command message by the form such as Ethernet, wireless network.
Adopt after such scheme; can Intelligent Recognition and complete haul oneself willingly into, runback set-up procedure; in the time of inlet wire decompression; automatically start diesel engine generator, excision service entrance switch, outlet switch, to be checked measuring after emergency diesel generator startup; diesel engine generator switch closes; according to the bringing onto load situation of diesel engine, load load, the harmful effect that the electromechanical transient process of elimination diesel engine generator start and stop, switching load brings in batches.After inlet wire restores electricity, automatic deloading load, and excise emergency diesel generator, switches to inlet wire supply power mode, realizes diesel engine generator and hauls oneself willingly into and the process of inlet wire runback.
Brief description of the drawings
Fig. 1 is the preparation module work schematic diagram of the embodiment of the present invention;
Fig. 2 is the main electrical scheme schematic diagram of a specific embodiment of the present invention;
Fig. 3 is the structure drawing of device of the embodiment of the present invention.
Embodiment
Below with reference to drawings and the specific embodiments, technical scheme of the present invention is elaborated.
The embodiment of the present invention provides a kind of runback method of hauling oneself willingly into that is applicable to diesel engine generator, comprises the steps:
(1) gather inlet wire, bus, diesel generation machine circuit power on tolerance and switching value information.
Particularly, in accompanying drawing 2, gather inlet wire 1 voltage U x1, inlet wire 1 electric current I 1; Inlet wire 2 voltage U x2, inlet wire 2 electric current I 2, the female voltage of I, the female voltage of II, diesel engine generator line current Ig, inlet wire 1 switch 1DL position, inlet wire 2 switch 2DL positions, block switch 3DL position, diesel engine generator switch 4DL position.
(2) detect that electric parameters, switching value meet predefined while hauling oneself willingly into preparatory condition, complete and haul oneself willingly into set-up procedure; Detect when electric parameters, switching value meet predefined runback preparatory condition, complete runback set-up procedure.
Particularly, in accompanying drawing 2, haul oneself willingly into preparatory condition and comprise and haul oneself willingly into charge condition and haul oneself willingly into discharging condition, haul oneself willingly into charge condition when meeting, and do not meet while hauling oneself willingly into discharging condition, represent to meet and hauls oneself willingly into preparatory condition; After hauling oneself willingly into set-up procedure and completing, if it is no longer satisfied to haul oneself willingly into charge condition, hauling oneself willingly into set-up procedure is still completion status, if but haul oneself willingly into discharging condition and occur, haul oneself willingly into set-up procedure and become immediately unfinished state.Similarly, runback preparatory condition comprises runback charge condition and runback discharging condition, when meeting runback charge condition, and while not meeting runback discharging condition, represents to meet runback preparatory condition; After runback set-up procedure completes, if runback charge condition is no longer satisfied, runback set-up procedure is still completion status, if but have runback discharging condition to occur, runback set-up procedure becomes unfinished state immediately.Accompanying drawing 1 is shown in by preparation module work schematic diagram, wherein:
A representative gathers electric parameters, switching value information;
Whether B1 representative detects hauls oneself willingly into discharging condition; B2 representative detects whether there is runback discharging condition;
Whether C1 representative detects to have completed hauls oneself willingly into set-up procedure; C2 representative detects whether completed runback set-up procedure;
Whether D1 representative detects to meet hauls oneself willingly into charge condition; D2 representative detects whether meet runback charge condition;
Preparation time delay is hauled oneself willingly in E1 representative; E2 represents runback preparation time delay;
F1 generation table completes hauls oneself willingly into set-up procedure; F2 has represented runback set-up procedure.
Fig. 2 is the main electrical scheme schematic diagram of a specific embodiment of the present invention, in figure:
1DL represents inlet wire 1 switch, 2DL represents inlet wire 2 switches, and 3DL represents block switch, and 4DL represents diesel engine generator switch, Ux1 represents inlet wire 1 voltage, Ux2 represents inlet wire 2 voltages, and I1 represents inlet wire 1 electric current, and I2 represents inlet wire 2 electric currents, Ig represents diesel engine generator line current, 1～m represents m (m >=1) the bar outlet under I mother, and 1～n represents n (n >=1) the bar outlet under II mother, and G represents diesel engine generator.
Particularly, in accompanying drawing 2, hauling oneself willingly into charge condition is:
(a) I mother and II mother have pressure;
(b) inlet wire 1 switch 1DL is in co-bit, or inlet wire 2 switch 2DL are in co-bit.
(c) diesel engine generator switch 4DL is in a point position.
In accompanying drawing 2, hauling oneself willingly into discharging condition is:
(a) hauling oneself willingly into whole actions completes;
(b) adjust control word or soft pressing plate do not allow to haul oneself willingly into;
(c) having locking to haul oneself willingly into opened into (as hard pressing plate is hauled oneself willingly in locking, hand jumping/hand closes locking from voted signal etc.);
(d) warning and the actuating signal (as switch fault, diesel engine generator fault, protection action block signal etc.) that have locking to haul oneself willingly into.
Haul oneself willingly into charge condition and do not meet while hauling oneself willingly into discharging condition when meeting, completing and haul oneself willingly into set-up procedure through time delay.
In accompanying drawing 2, runback charge condition is:
(a) I mother and II mother have pressure;
(b) inlet wire 1 switch 1DL and inlet wire 2 switch 2DL are all in a point position.
(c) diesel engine generator switch 4DL is in co-bit.
In accompanying drawing 2, runback discharging condition is:
(a) runback has all moved;
(b) adjust control word or soft pressing plate do not allow runback;
(c) there is locking runback to open into (pressing plate as hard in locking runback, hand jumping/hand close locking from complex signal etc.);
(d) there are the warning of locking runback and actuating signal (as switch fault, protection action block signal etc.).
In the time meeting runback charge condition and do not meet runback discharging condition, complete runback set-up procedure through time delay.
(3) detected and hauled oneself willingly into after set-up procedure, when bus is with no pressure, inlet wire is with no pressure during without stream, hauls oneself willingly into action launching diesel engine generator, jumps into wiretap, outlet switch, closes diesel engine generator switch, outlet switch;
Particularly, in accompanying drawing 2, haul oneself willingly into method of operating as follows:
(a) detected and hauled oneself willingly into set-up procedure, and I is female and II mother, inlet wire 1 and inlet wire 2 completely without pressure, and inlet wire 1, inlet wire 2 be all when flowing, startup diesel engine generator, jumps into line 1 and inlet wire 2 switches.
(b), according to the excision mode setting in advance, minute wheel or an all or part of outlet switch of tripping, select whether to close block switch 3DL according to set-up mode.
(c) detect that diesel engine generator has started that (this signal can be to open into signals such as, guidance commands; Also can be to pre-set time delayed signal), diesel engine generator switch 4DL closes, detect that bus recovers to have after pressure, first close the outlet that important level is the highest, if reach diesel engine generator capability value, stop continuing to close other outlet switchs, if also do not reach setting capacity, close important level time high outlet switch, until reach the diesel engine generator capability value of setting.
(4) detected after runback set-up procedure, when inlet wire recovers to have after pressure, wiretap, diesel engine generator switch are jumped out in runback action, close service entrance switch, outlet switch.
Particularly, in accompanying drawing 2, runback method of operating is as follows:
(a) runback set-up procedure detected, inlet wire 1 or inlet wire 2 recovers there is pressure, detects after runback enabling signal that (this signal can be to open into signals such as, guidance commands; Also can be to pre-set time delayed signal), send and prepare to cut diesel engine generator signal, then according to the excision mode setting in advance, minute wheel or an all or part of outlet switch of tripping, select whether to jump block switch 3DL according to set-up mode.
(b) jump diesel engine generator switch 4DL, in I, female and II mother is after pressure, close and recover there is the service entrance switch of pressure (if inlet wire 1 and inlet wire 2 all recover to have pressure, can according to priority select to close inlet wire 1 or inlet wire 2 switches, or set-up mode is selected tripping 3DL), minute wheel or once close outlet switch.
Said method has been realized diesel engine generator and has automatically been dropped into and inlet wire automatic restore procedure.In the time hauling oneself willingly into, conventional spare power automatic switching method is directly to excise service entrance switch, then closes diesel engine generator switch.But diesel engine generator is a power supply with small capacity with respect to inlet wire, a large amount of loads of band close diesel engine generator switch can be aggravated wear of diesel engines and even cause scuffing of cylinder bore, burning accident.This method first starts diesel engine generator after inlet wire decompression, and excision service entrance switch and all or part of outlet switch just close diesel engine generator switch detecting after diesel engine generator has started, finally according to the intelligent loading of diesel engine generator capacity outlet; When runback, shut down for preventing that on-load is anxious, first send and prepare to cut oil machine signal command, then off-load outlet, then jump diesel engine generator switch.Avoid conventional spare power automatic switching method on-load to play diesel engine generator and anxious shock problem larger to diesel engine generator while stopping loading.In addition, introduce and haul oneself willingly into and runback set-up procedure, can Intelligent Recognition some do not need to haul oneself willingly into or the situation of runback, prevent prepared auto restart misoperation.
In addition, the present invention also has embodiment that a kind of automatic change and automatic recovery device that is applicable to diesel engine generator is provided, and as shown in Figure 3, comprise acquisition module, preparation module, haul oneself willingly into action module, runback action module, wherein:
Described acquisition module gathers inlet wire, bus, diesel generation machine circuit power on tolerance and switching value information for protective relaying device;
Described preparation module is for according to the electric parameters, the switching value that gather with preset and haul oneself willingly into preparatory condition and runback preparatory condition has judged whether to haul oneself willingly into set-up procedure or runback set-up procedure;
The described action module of hauling oneself willingly into is for according to the result of preparation module judgement, detected to haul oneself willingly into set-up procedure and bus is with no pressure, inlet wire is with no pressure during without stream:
(a) send and start diesel engine generator and jump into wiretap order;
(b) according to the excision mode setting in advance, send and jump out wiretap order, if there is block switch, according to predetermined set mode, send (or not sending) and close block switch order;
(c) detect that diesel oil is sent out after action launching completes and send and close diesel engine generator switch command, detect that bus recovers to have after pressure, send and close outlet switch order.
The result of described runback action module for judging according to preparation module, recover to have after pressure when completing runback set-up procedure and inlet wire:
(a) detect after runback enabling signal, send and prepare to cut diesel engine generator signal, then according to the excision mode setting in advance, send and jump out wiretap order, if there is block switch, according to setting in advance mode, sends (or not sending) and jump block switch order;
(b) send and jump diesel engine generator switch command, after bus is with no pressure, sends and close service entrance switch, outlet switch order.
The protective relaying device of embodiment sends while jumping/close service entrance switch, outlet switch, diesel engine generator switch command, and different relay tips on closing device send to background monitoring system by Ethernet or wireless network by message simultaneously.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection range of the present invention.
Claims (11)
1. the runback method of hauling oneself willingly into that is applicable to diesel engine generator, is characterized in that comprising the steps:
(1) gather inlet wire, bus, diesel generation machine circuit power on tolerance and switching value information;
(2) detect that electric parameters, switching value meet predefined while hauling oneself willingly into preparatory condition, complete and haul oneself willingly into set-up procedure; Detect when electric parameters, switching value meet predefined runback preparatory condition, complete runback set-up procedure;
(3) detected and hauled oneself willingly into after set-up procedure, when bus is with no pressure, inlet wire is with no pressure during without stream, hauls oneself willingly into action launching diesel engine generator, jumps into wiretap, outlet switch, closes diesel engine generator switch, outlet switch;
(4) detected after runback set-up procedure, in the time that inlet wire recovers to have pressure, wiretap, diesel engine generator switch are jumped out in runback action, close service entrance switch, outlet switch.
2. the runback method of hauling oneself willingly into that is applicable to diesel engine generator as claimed in claim 1, is characterized in that: in described step (2), while meeting preparatory condition, complete set-up procedure through time delay, wherein preparatory condition comprises charge condition and discharging condition; When meeting charge condition, and while not meeting discharging condition, represent to meet preparatory condition; After set-up procedure completes, if charge condition is no longer satisfied, set-up procedure is still completion status, if but have discharging condition to occur, set-up procedure becomes unfinished state immediately.
3. as claim 1 and the runback method of hauling oneself willingly into that is applicable to diesel engine generator claimed in claim 2, the predefined charge condition of hauling oneself willingly into comprises that service entrance switch is in co-bit, and bus has pressure, and diesel engine generator switch is in a point position; Haul oneself willingly into discharging condition and comprise that hauling oneself willingly into course of action finishes, or the definite value that has locking to haul oneself willingly into, or opening of having that locking hauls oneself willingly into is into, the warning and the actuating signal that have locking to haul oneself willingly into;
Predefined runback charge condition comprises that diesel engine generator switch is in co-bit, and bus has pressure, and service entrance switch is in a point position; Runback discharging condition comprises that runback course of action finishes, or has the definite value of locking runback, or has warning and the actuating signal of opening into or have locking runback of locking runback.
4. the runback method of hauling oneself willingly into that is applicable to diesel engine generator as claimed in claim 1, is characterized in that: in described step (3), haul oneself willingly into method of operating as follows:
(1) detected and hauled oneself willingly into set-up procedure, bus, inlet wire be completely without pressure, and inlet wire during without stream, starts diesel engine generator, jumps into wiretap;
(2) according to the excision mode setting in advance, jump out wiretap, if there is block switch, according to predetermined set mode, close (or not conforming to) block switch;
(3) detecting that diesel oil is sent out after action launching completes closes diesel engine generator switch, recovers to have after pressure until bus, closes outlet switch.
5. the method for operating of hauling oneself willingly into that is applicable to diesel engine generator as claimed in claim 4, it is characterized in that: described in haul oneself willingly in action step (3), while closing outlet switch, first close the outlet that important level is the highest, if reach diesel engine generator capability value, stop continuing to close other outlet switchs, if also do not reach setting capacity, close important level time high outlet switch, until reach the diesel engine generator capability value of setting.
6. the runback method of hauling oneself willingly into that is applicable to diesel engine generator as claimed in claim 1, is characterized in that: in described step (4), runback method of operating is as follows:
(1) runback set-up procedure detected, inlet wire recovers to have pressure, have after runback enabling signal, send and prepare to cut diesel engine generator signal, then according to the excision mode setting in advance, jump out wiretap, if there is block switch, select to jump (or not jumping) block switch according to the mode of setting in advance;
(2) jump diesel engine generator switch, after bus is with no pressure, close service entrance switch, outlet switch.
7. as claim 1 and the runback method of hauling oneself willingly into that is applicable to diesel engine generator claimed in claim 6, it is characterized in that: described in the diesel oil that detects to send out action launching settling signal, certainly recover enabling signal can be to open into signals such as, guidance commands; Also can be the time definite value pre-setting, time delay reaches after time definite value to be thought and receives signal.
8. be applicable to an automatic change and automatic recovery device for diesel engine generator, it is characterized in that comprising acquisition module, preparation module, haul oneself willingly into action module, runback action module, wherein:
Described acquisition module gathers inlet wire, bus, diesel generation machine circuit power on tolerance and switching value information for protective relaying device;
Described preparation module is for according to the electric parameters, the switching value that gather with preset and haul oneself willingly into preparatory condition and runback preparatory condition has judged whether to haul oneself willingly into set-up procedure or runback set-up procedure;
The described result of action module for judging according to preparation module of hauling oneself willingly into, haul oneself willingly into set-up procedure and bus is with no pressure, inlet wire is with no pressure without when stream when completing, protective relaying device sends startup diesel engine generator, jumps into wiretap, outlet switch, closes diesel engine generator switch, outlet switch order;
Described runback action module, for according to the result of preparation module judgement, is recovered to have after pressure when completing runback set-up procedure and inlet wire, and protective relaying device sends jumps out wiretap, diesel engine generator switch, closes service entrance switch, outlet switch order.
9. the automatic change and automatic recovery device that is applicable to diesel engine generator as claimed in claim 8, is characterized in that, described in to haul oneself willingly into action module concrete function as follows:
(1) detected and hauled oneself willingly into set-up procedure and bus is with no pressure, inlet wire is with no pressure without when stream, sent and start diesel engine generator, jump into wiretap order;
(2) according to the excision mode setting in advance, send and jump out wiretap order, if there is block switch, according to predetermined set mode, send (or not sending) and close block switch order;
(3) detect that diesel oil is sent out after action launching completes and send and close diesel engine generator switch command, detect that bus recovers to have after pressure, send and close outlet switch order.
10. the automatic change and automatic recovery device that is applicable to diesel engine generator as claimed in claim 8, is characterized in that, described runback action module concrete function is as follows:
(1) detected that runback set-up procedure and inlet wire recover to have pressure, have after runback enabling signal, send and prepare to cut diesel engine generator signal, then according to the excision mode setting in advance, send and jump out wiretap order, if there is block switch, according to setting in advance mode, sends (or not sending) and jump block switch order;
(2) send and jump diesel engine generator switch command, after bus is with no pressure, sends and close service entrance switch, outlet switch order.
11. automatic change and automatic recovery devices that are applicable to diesel engine generator described in claim 8, claim 9 and claim 10; it is characterized in that: described in haul oneself willingly into the jumping that in action module and runback action module, protective relaying device sends/close service entrance switch, outlet switch, diesel engine generator switch command; by different relay tips on closing device, or send to final controlling element to realize command message by the form such as Ethernet, wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291053.3A CN104052148B (en) | 2014-06-25 | 2014-06-25 | A kind of be applicable to diesel-driven generator haul oneself willingly into runback method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291053.3A CN104052148B (en) | 2014-06-25 | 2014-06-25 | A kind of be applicable to diesel-driven generator haul oneself willingly into runback method and apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN104052148A true CN104052148A (en) | 2014-09-17 |
| CN104052148B CN104052148B (en) | 2016-08-24 |
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| CN201410291053.3A Expired - Fee Related CN104052148B (en) | 2014-06-25 | 2014-06-25 | A kind of be applicable to diesel-driven generator haul oneself willingly into runback method and apparatus |
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| CN106887829A (en) * | 2017-03-28 | 2017-06-23 | 国网江西省电力公司电力科学研究院 | A kind of KV two class protection of single supply 10 is configured and fixed value adjusting method |
| CN106972496A (en) * | 2017-03-23 | 2017-07-21 | 山东电力工程咨询院有限公司 | The emergent security personnel's diesel engine sound load spacer input selection method in thermal power plant |
| CN106998061A (en) * | 2017-03-28 | 2017-08-01 | 国网江西省电力公司电力科学研究院 | A kind of KV of single supply 10 protection three-level configuration and fixed value adjusting method |
| CN110149001A (en) * | 2019-05-24 | 2019-08-20 | 华自科技股份有限公司 | Generator throws method, apparatus, system, computer equipment and storage medium certainly |
| CN110912262A (en) * | 2019-11-08 | 2020-03-24 | 中广核研究院有限公司 | Electric medium-voltage bus emergency power supply access device and method |
| CN111181193A (en) * | 2020-01-06 | 2020-05-19 | 深圳蓄能发电有限公司 | Optimization control method for pumped storage power station service power |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972496A (en) * | 2017-03-23 | 2017-07-21 | 山东电力工程咨询院有限公司 | The emergent security personnel's diesel engine sound load spacer input selection method in thermal power plant |
| CN106972496B (en) * | 2017-03-23 | 2019-10-25 | 山东电力工程咨询院有限公司 | Thermal power plant emergency security personnel's diesel engine sound load spacer puts into selection method |
| CN106887829A (en) * | 2017-03-28 | 2017-06-23 | 国网江西省电力公司电力科学研究院 | A kind of KV two class protection of single supply 10 is configured and fixed value adjusting method |
| CN106998061A (en) * | 2017-03-28 | 2017-08-01 | 国网江西省电力公司电力科学研究院 | A kind of KV of single supply 10 protection three-level configuration and fixed value adjusting method |
| CN110149001A (en) * | 2019-05-24 | 2019-08-20 | 华自科技股份有限公司 | Generator throws method, apparatus, system, computer equipment and storage medium certainly |
| CN110912262A (en) * | 2019-11-08 | 2020-03-24 | 中广核研究院有限公司 | Electric medium-voltage bus emergency power supply access device and method |
| CN110912262B (en) * | 2019-11-08 | 2023-03-21 | 中广核研究院有限公司 | Electric medium-voltage bus emergency power supply access device and method |
| CN111181193A (en) * | 2020-01-06 | 2020-05-19 | 深圳蓄能发电有限公司 | Optimization control method for pumped storage power station service power |
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