CN103812137A - Control method and device for generator set - Google Patents
Control method and device for generator set Download PDFInfo
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- CN103812137A CN103812137A CN201210459135.5A CN201210459135A CN103812137A CN 103812137 A CN103812137 A CN 103812137A CN 201210459135 A CN201210459135 A CN 201210459135A CN 103812137 A CN103812137 A CN 103812137A
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Abstract
The application discloses a control method of a generator set and is applied to a power generation system. The power generation system comprises the generator set for generating output power, a generator set control system for controlling the generator set and an energy storage system for matching with the generator set in operation. The control method of the generator set is characterized in that the generator set control system determines whether the output power adjustment capacity which the energy storage system can provide can make up the deviation between the current output power of the generator set and the output power indicated in a power dispatch instruction when the energy storage system currently is in a state of matching with the generator set in operation and the operation state is normal, if so, the output power adjustment speed of the generator set is reduced, and if not, the output power adjustment speed of the generator set is improved. By means of the control method of the generator set, advantages of the generator set and the energy storage system are fully taken advantage of, the loss and abrasion of the generator set can be reduced, meanwhile, the response effects of the power dispatch instructions can be guaranteed, and the economy, stability and reliability of set operation can be improved.
Description
Technical field
The present invention relates to power technology field, particularly a kind of control method and device to generating set.
Background technology
Electric power system comprises electrical network, generating set and the various power consumption equipment of electric energy is provided.Automatic generation control (AGC) is a basic function in dispatch automated system, and guaranteeing mains frequency quality and Tie line Power is constant etc., vital effect is being brought into play in aspect.
Conventional electric generators group is due to the restriction of self-characteristic, in the time of responsive electricity grid AGC instruction, conventionally need to adopt the method that changes generator set control pattern to improve the governing speed of exerting oneself of generating set, improve AGC instruction response performance, meet the requirement of dispatching of power netwoks to generating set governing speed.For example, exert oneself governing speed restriction of fired power generating unit is improved, strengthen the strength of adjustment of generating set valve and boiler etc., or change unit control model into level pressure control model by the sliding pressure control pattern of efficiency optimization, to improve operating pressure, utilize unit boiler accumulation of heat to improve unit output governing speed.
Improving the generating set governing speed of exerting oneself can cause negative effect to unit operation, comprising:
Coal consumption increases.Have to analyze to show, unit is compared with under sliding pressure operation pattern under fixed pressure operation pattern, and average coal consumption increases more than 1%;
Unit operation is unstable.Improve after unit output governing speed, easily cause unit actuator to comprise the vibration of boiler, drum, valve etc., cause the vibration fluctuation of unit operation temperature and pressure;
Actuator's wearing and tearing are accelerated.For example, under AGC operational mode, improve unit output governing speed, can cause unit actuator, for example valve, frequent movement, causes unit wearing and tearing to increase the weight of, and affects unit operation reliability and life-span.
For this reason, enter energy-storage system in the machine termination of generating set, entered after energy-storage system in machine termination, can utilize energy-storage system to complete response a large amount of frequent, fast power dispatch command.So, after the machine end of energy-storage system access generating set, how effectively generating set to be controlled, process regulations speed requirement to reduce generating set, promoting operational efficiency and stability becomes the problem of needing solution badly.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of control method and device to generating set, effectively to utilize generating set and energy-storage system advantage, reduces generating set loss and wearing and tearing, the effect of guaranteed output dispatch command response simultaneously.
The invention provides a kind of control method to generating set, for electricity generation system, described electricity generation system comprises for generation of the generating set of exerting oneself, for controlling the gen-set control system of generating set, and for coordinating the energy-storage system of generating set operation; Current in coordinating the state of generating set operation when described energy-storage system, and running status is when normal, and described method comprises:
Gen-set control system received power dispatch command;
Gen-set control system is determined current the exerting oneself of generating set, and current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
Gen-set control system obtains the available regulating power of exerting oneself of energy-storage system;
Judge the available regulating power of exerting oneself of described energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself, if so, reduce the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
Wherein, the step that described gen-set control system obtains the current regulating power of exerting oneself of energy-storage system comprises:
According to the operating temperature of energy-storage system, judgement
If energy-storage system operating temperature is within the scope of normal operating temperature, the available regulating power of exerting oneself of energy-storage system is P
ess=P
rate;
If energy-storage system operating temperature is higher than normal operating temperature range limit, the available regulating power of exerting oneself of energy-storage system is P
ess=P
ess=α * P
rate; Wherein, α is adjustment factor;
If energy-storage system operating temperature is higher than the upper limit in normal operating temperature scope, the available regulating power of exerting oneself of energy-storage system is P
ess=0;
Wherein, P
essthe regulating power of exerting oneself for energy-storage system is available, P
ratefor energy-storage system rated power.
Wherein, judge the available regulating power of exerting oneself of described energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the step of the indicated deviation of exerting oneself comprise:
Determine the current charged state SOC of energy-storage system and set operation charged state deviation SOC
δ=SOC
ref-SOC
ess; Wherein, SOC
reffor the current charged state of energy-storage system, SOC
essfor the operation charged state of setting, SOC
δit is the deviation of said two devices;
Calculate cluster weight index
Wherein E is the specified stored energy of energy-storage system, P
ratefor energy-storage system rated power, T is time constant; P
δthe current P that exerts oneself of generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation;
If cluster weight index K is less than the first predetermined threshold value, the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
If cluster weight index K is more than or equal to the first predetermined threshold value, the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself.
Wherein, the governing speed of exerting oneself of described reduction generating set comprises: current when the sliding pressure control pattern at described generating set, maintain current control model, and described generating set is current while being level pressure control model, switch to sliding pressure control pattern;
The governing speed of exerting oneself of described raising generating set comprises: current when the sliding pressure control pattern at described generating set, switch to level pressure control model; Described generating set is current while being level pressure control model, maintain current control model.
Wherein, the step that described gen-set control system obtains the current regulating power of exerting oneself of energy-storage system comprises:
According to the current charged state of energy-storage system, judgement
The current charged state of energy-storage system is within the scope of normal charging condition, and the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, P
discharge,
If the current charged state of energy-storage system is higher than normal charging condition range limit, the available regulating power of exerting oneself of energy-storage system is P
ess={ β * P
charge, P
discharge, wherein, β is adjustment factor;
If the current charged state of energy-storage system is lower than normal charging condition scope lower limit, the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, γ * P
discharge, wherein, γ is adjustment factor;
If the current charged state of energy-storage system is higher than the upper limit in normal charging condition scope, the available regulating power of exerting oneself of energy-storage system is P
ess={ 0, P
discharge;
If the current charged state of energy-storage system is lower than lower limit under normal charging condition scope, the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, 0 };
Wherein, P
chargefor energy-storage system can provide maximum charge power, P
dischargefor energy-storage system can provide maximum discharge power.
Wherein, judge the available regulating power of exerting oneself of described energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the step of the indicated deviation of exerting oneself comprise:
By the P that exerts oneself current generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation P
δcontrast,
If P
δ<min { P
charge, P
discharge, or, min { P
charge, P
discharge<P
δ< ε * min { P
charge, P
discharge, the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
If P
δ> ε * min { Pcharge, Pdischarge }, the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
Wherein, ε is coefficient, min { P
charge, P
dischargefor getting P
chargewith P
dischargein little value.
Wherein, the governing speed of exerting oneself of described reduction generating set comprises:
At P
δ<min { P
charge, P
dischargetime, keep generating set to exert oneself constant;
At min { P
charge, P
discharge<P
δ<2*min { P
charge, P
dischargetime, set the generating set governing speed of exerting oneself and be restricted to the first governing speed V1;
The governing speed of exerting oneself of described raising generating set comprises:
At P
δ>2*min { P
charge, P
dischargetime, set the generating set governing speed of exerting oneself and be restricted to the second governing speed V2;
Wherein, described the first governing speed V1 is less than described the second governing speed V2.
The present invention also provides a kind of control device to generating set, for electricity generation system, described electricity generation system comprises for generation of the generating set of exerting oneself, for controlling the gen-set control system of generating set, and for coordinating the energy-storage system of generating set operation; Current in coordinating the state of generating set operation when described energy-storage system, and running status is when normal, and described device comprises:
Receiving element, for received power dispatch command;
Computing unit, for determining current the exerting oneself of generating set, and current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
Acquiring unit, obtains the available regulating power of exerting oneself of energy-storage system for gen-set control system;
Judge adjustment unit, for judging that can the available regulating power of exerting oneself of described energy-storage system make up current the exerting oneself and the indicated deviation of exerting oneself of described power dispatching instruction of described generating set, if so, reduces the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
Wherein, described acquiring unit comprises:
The first judgment sub-unit, judges for the operating temperature according to energy-storage system,
First obtains subelement, in the time that energy-storage system operating temperature is within the scope of normal operating temperature, determines that the available regulating power of exerting oneself of energy-storage system is P
ess=P
rate; During higher than normal operating temperature range limit, determine that the available regulating power of exerting oneself of energy-storage system is P in energy-storage system operating temperature
ess=α * P
rate; Wherein α is adjustment factor; Energy-storage system operating temperature higher than normal operating temperature scope on the upper limit, determine that the available regulating power of exerting oneself of energy-storage system is P
ess=0; Wherein, P
essthe regulating power of exerting oneself for energy-storage system is available, P
ratefor energy-storage system rated power;
Described judgement adjustment unit comprises:
Charged state deviation computation subunit, for determining the current charged state SOC of energy-storage system and setting operation charged state deviation SOC
δ=SOC
ref-SOC
ess;
Weight calculation subelement, for calculating cluster weight index
wherein E is the specified stored energy of energy-storage system, P
ratefor energy-storage system rated power, T is time constant; P
δthe current P that exerts oneself of generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation;
The first ability recognin unit, in the time that cluster weight index K is less than the first predetermined threshold value, determine the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; In the time that cluster weight index K is more than or equal to the first predetermined threshold value, determine the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
First adjusts subelement, for can make up current the exerting oneself and indicated the exerting oneself when deviation of described power dispatching instruction of described generating set at the available regulating power of exerting oneself of described energy-storage system, reduces the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
Wherein, described acquiring unit comprises:
The second judgment sub-unit, judges for the current charged state according to energy-storage system,
Second obtains subelement, in the time that the current charged state of energy-storage system is within the scope of normal charging condition, determines that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, P
discharge, during higher than normal charging condition range limit, determine that the available regulating power of exerting oneself of energy-storage system is P in the current charged state of energy-storage system
ess={ β * P
charge, P
discharge, β is adjustment factor; The current charged state of energy-storage system lower than normal charging condition scope under in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, γ * P
discharge, γ is adjustment factor; The current charged state of energy-storage system higher than normal charging condition scope on in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ 0, P
discharge; The current charged state of energy-storage system under lower than normal charging condition scope lower in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, 0 }; Wherein, P
chargefor energy-storage system can provide maximum charge power, P
dischargefor energy-storage system can provide maximum discharge power;
Described judgement adjustment unit comprises:
Contrast subunit, for by the P that exerts oneself current generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation P
δcontrast,
The second ability recognin unit, at P
δ<min { P
charge, P
discharge, or, min { P
charge, P
discharge<P
δ< ε * min { P
charge, P
dischargetime, determine the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; At P
δwhen > ε * min { Pcharge, Pdischarge }, determine the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; Wherein, ε is coefficient, min { P
charge, P
dischargefor getting P
chargewith P
dischargein little value;
Second adjusts subelement, for can make up current the exerting oneself and indicated the exerting oneself when deviation of described power dispatching instruction of described generating set at the available regulating power of exerting oneself of described energy-storage system, reduces the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
The control method to generating set and device that application the embodiment of the present application provides, in generating set and energy-storage system parallel running, based on the different running statuses of generating set, energy-storage system and power dispatching instruction, generating set is adopted to different control modes, reach and effectively utilized generating set and energy-storage system advantage, reduce generating set loss and wearing and tearing, the object of the effect of guaranteed output dispatch command response simultaneously, the regulating frequency and the stress that have reduced generating set actuator, improved unit operation economy, stability and reliability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the control method flow chart to generating set according to the embodiment of the present invention;
Fig. 2 is the control device structural representation to generating set according to the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
In the existing production system of power generator group, remote terminal unit (RTU, Remote Terminal Unit) be the tie that factory's net signal connects, power network dispatching system is by automatic generation amount control (AGC on the one hand, Automatic Generation Control) instruction is issued to the RTU of power plant according to communication protocol, and the RTU of power plant is handed down to gen-set control system director data again and exerts oneself to control generating set; On the other hand, the RTU of power plant carries out acquisition process the creation datas such as force signal that go out of generating set, and transmission feeds back to power network dispatching system, makes power network dispatching system can monitor in real time the production statuses such as exerting oneself of generating set.By above-mentioned closed loop procedure, realize generating set according to exert oneself effective operation of instruction of the AGC of power network dispatching system output.
After energy-storage system access Power Plant Side generator end, the machine of generating set need to be brought out to force signal and energy-storage system goes out force signal and merges according to actual electricity electrical system access mode and energy exchange situation, form a reflection generator end overall system actual data-signal of exerting oneself, to replace the original generating set that feeds back to power network dispatching system signal data of exerting oneself of uploading.
The object of access energy-storage system is in order to utilize energy-storage system to complete response a large amount of frequent, fast power dispatch command, significantly to alleviate the conciliation pressure of generating set, generating set is remained under more economical stable operational mode, increase substantially generating set operational efficiency, thereby, need one to be enclosed within the method for controlling generating set in the situation of energy-storage system access thereupon.
Referring to Fig. 1, it is the control method flow chart to generating set according to the embodiment of the present invention, the present embodiment is for electricity generation system, described electricity generation system comprises for generation of the generating set of exerting oneself, for controlling the gen-set control system of generating set, and for coordinating the energy-storage system of generating set operation; Current in coordinating the state of generating set operation when described energy-storage system, and running status is when normal, and described method comprises:
Here, this power dispatching instruction can be the direct dispatch command from electrical network, can be also the power dispatching instruction of exerting oneself for generating set after the described dispatch command from electrical network is decomposed;
Concrete, current exert oneself with described power dispatching instruction in the indicated deviation P that exerts oneself
δwhat=generating set was current exert oneself P
plantthe indicated P that exerts oneself in-described power dispatching instruction
aGC;
It should be noted that, can pass through energy-storage system operating state signal, know that energy-storage system is current whether in coordinating the state of generating set operation, and whether running status is normal.Described energy-storage system operating state signal, can, by obtaining with the communication of energy-storage system, also can obtain by upper strata supervisory control system or other modes.Here the mode that obtains energy-storage system operating state signal is not limited.If energy-storage system is current not in coordinating generating set running status, setting machine end energy-storage system in parallel, the regulating power scope of exerting oneself can be provided is 0.
After energy-storage system access machine end, by changing the control to generating set, generating set is remained under more economical stable operational mode, increase substantially generating set operational efficiency, reduce generating set coal consumption, reduce regulating frequency and the stress of generating set actuator, reduced the running wastage of generating set, improved unit operation stability and reliability.
Embodiment mono-:
A kind of possible in the situation that, if machine end energy-storage system in parallel not in coordinating generating set running status, is set machine end energy-storage system in parallel, the regulating power scope of exerting oneself can be provided is P
ess=0; If energy-storage system is current in coordinating the state of generating set operation, and running status is normal,
The step that in above-mentioned steps 103, gen-set control system obtains the current regulating power of exerting oneself of energy-storage system comprises:
According to the operating temperature of energy-storage system, judgement
If energy-storage system operating temperature is within the scope of normal operating temperature, the available regulating power of exerting oneself of energy-storage system is P
ess=P
rate;
If energy-storage system operating temperature is higher than normal operating temperature range limit, the available regulating power of exerting oneself of energy-storage system is P
ess=α * P
rate; Wherein, α is adjustment factor; The concrete value of α can be definite according to actual condition, and in a possible embodiment, above-mentioned adjustment factor α is 0.5;
If energy-storage system operating temperature is higher than the upper limit in normal operating temperature scope, the available regulating power of exerting oneself of energy-storage system is P
ess=0;
Wherein, P
essthe regulating power of exerting oneself for energy-storage system is available, P
ratefor energy-storage system rated power.
Now, in above-mentioned steps 104, judge the available regulating power of exerting oneself of described energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the step of the indicated deviation of exerting oneself comprise:
Determine the current charged state SOC of energy-storage system and set operation charged state deviation SOC
δ=SOC
ref-SOC
ess; Wherein, SOC
reffor the current charged state of energy-storage system, SOC
essfor the operation charged state of setting, SOC
δit is the deviation of said two devices;
Calculate cluster weight index
Wherein E is the specified stored energy of energy-storage system, P
ratefor energy-storage system rated power, T is time constant, preferably, and T=240s; P
δthe current P that exerts oneself of generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation;
If cluster weight index K is less than the first predetermined threshold value, for example K<2, the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
If cluster weight index K is more than or equal to the first predetermined threshold value, for example K >=2, the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself.
In these cases, the governing speed of exerting oneself that reduces generating set in aforementioned abovementioned steps 104 comprises: current when the sliding pressure control pattern at described generating set, maintain current control model, described generating set is current while being level pressure control model, switch to sliding pressure control pattern; The governing speed of exerting oneself of aforementioned raising generating set comprises: current when the sliding pressure control pattern at described generating set, switch to level pressure control model; Described generating set is current while being level pressure control model, maintain current control model.
So far, reduce or improve the governing speed of exerting oneself of generating set by changing the control model of generating set.
Embodiment bis-:
In the situation that another kind is possible, if machine end energy-storage system in parallel not in coordinating generating set running status, is set machine end energy-storage system in parallel, the regulating power scope of exerting oneself can be provided is P
ess={ 0,0 }; If energy-storage system is current in coordinating the state of generating set operation, and running status is normal,
The step that in above-mentioned steps 103, gen-set control system obtains the current regulating power of exerting oneself of energy-storage system comprises:
According to the current charged state of energy-storage system, judgement
The current charged state of energy-storage system is within the scope of normal charging condition, and the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, P
discharge,
If the current charged state of energy-storage system is higher than normal charging condition range limit, the available regulating power of exerting oneself of energy-storage system is P
ess={ β * P
charge, P
discharge; Wherein, β is adjustment factor; The concrete value of β can be definite according to actual condition, and in a possible embodiment, above-mentioned adjustment factor β is 0.5;
If the current charged state of energy-storage system is lower than normal charging condition scope lower limit, the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, γ * P
discharge; Wherein, γ is adjustment factor; The concrete value of γ can be definite according to actual condition, and in a possible embodiment, above-mentioned adjustment factor γ is 0.5, and certainly, the value of β and γ can be the same or different;
If the current charged state of energy-storage system is higher than the upper limit in normal charging condition scope, the available regulating power of exerting oneself of energy-storage system is P
ess={ 0, P
discharge;
If the current charged state of energy-storage system is lower than lower limit under normal charging condition scope, the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, 0 };
Wherein, P
chargefor energy-storage system can provide maximum charge power, P
dischargefor energy-storage system can provide maximum discharge power.
Now, in above-mentioned steps 104, judge the available regulating power of exerting oneself of described energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the step of the indicated deviation of exerting oneself comprise:
By the P that exerts oneself current generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation P
δcontrast,
If P
δ<min { P
charge, P
discharge, or, min { P
charge, P
discharge<P
δ< ε * min { P
charge, P
discharge, the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
If P
δ> ε * min { Pcharge, Pdischarge }, the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
Wherein, ε is coefficient; The concrete value of ε can be definite according to actual condition, and in a possible embodiment, above-mentioned adjustment factor ε is 2, min { P
charge, P
dischargefor getting P
chargewith P
dischargein little value.
In these cases, the governing speed of exerting oneself that reduces generating set in step 104 comprises:
At P
δ<min { P
charge, P
dischargetime, keep generating set to exert oneself constant;
At min { P
charge, P
discharge<P
δ<2*min { P
charge, P
dischargetime, set the generating set governing speed of exerting oneself and be restricted to the first governing speed V1;
The governing speed of exerting oneself that improves generating set in step 104 comprises: at P
δ>2*min { P
charge, P
dischargetime, set the generating set governing speed of exerting oneself and be restricted to the second governing speed V2;
Wherein, described the first governing speed V1 is less than described the second governing speed V2.
So far, reduce or improve the governing speed of exerting oneself of generating set by changing the governing speed parameter of generating set.
It should be noted that, the application focuses on, judge the available regulating power of exerting oneself of energy-storage system can make up generating set current exert oneself with power dispatching instruction in indicated exerting oneself when deviation, provide the extra regulatory function of exerting oneself without generating set, can adopt the preferential control mode of economy and stability, therefore can reduce the governing speed of exerting oneself of generating set; Otherwise, adopt the preferential control mode of power instruction response effect, need generating set with the governing speed of exerting oneself faster, with reduce and power dispatching instruction between deviation, avoid because the system regulating power deficiency of exerting oneself causes the impact on power dispatching instruction trace effect.
In above-mentioned two possible embodiment, it is the governing speed of exerting oneself that reduces or improve generating set by changing the control model of generating set or governing speed parameter, certainly, also can adopt other control method to reduce or improve the governing speed of exerting oneself of generating set, for example control steam turbine pressure fluctuation, carry out temperature limiting etc.In a word, the application does not limit the specific implementation that reduces or improve the governing speed of exerting oneself of generating set, and any possible implementation can be applied in the application.
The control method to generating set that application the embodiment of the present application provides, in energy-storage system access power management and running situation, generating set has reduced the regulations speed requirement of exerting oneself, and has promoted operational efficiency and stability, thereby has improved economy and the reliability of generating set operation; Otherwise generating set improves the regulations speed requirement of exerting oneself, improve the response effect to power instruction, meet operation of power networks requirement.By the control to generating set, optimize the performance objective under different operating conditions, reach and improved operational effect, improve the object of operation income, especially under the clear condition of energy-storage system access power management and running, can significantly reduce unit operation coal consumption, reduce operation stress, reduce actuator's wearing and tearing.
Referring to Fig. 2, it is the control device structural representation to generating set according to the embodiment of the present invention, described in Fig. 2, device is for electricity generation system, described electricity generation system comprises for generation of the generating set of exerting oneself, for controlling the gen-set control system of generating set, and for coordinating the energy-storage system of generating set operation; Current in coordinating the state of generating set operation when described energy-storage system, and running status is when normal, and described device comprises:
Receiving element 201, for received power dispatch command;
Acquiring unit 203, obtains the available regulating power of exerting oneself of energy-storage system for gen-set control system;
In a kind of possible embodiment,
Wherein, described acquiring unit 203 can comprise:
The first judgment sub-unit (not shown), judges for the operating temperature according to energy-storage system,
First obtains subelement (not shown), in the time that energy-storage system operating temperature is within the scope of normal operating temperature, determines that the available regulating power of exerting oneself of energy-storage system is P
ess=P
rate; During higher than normal operating temperature range limit, determine that the available regulating power of exerting oneself of energy-storage system is P in energy-storage system operating temperature
ess=α * P
rate; Wherein, α is adjustment factor; Energy-storage system operating temperature higher than normal operating temperature scope on the upper limit, determine that the available regulating power of exerting oneself of energy-storage system is P
ess=0; Wherein, P
essthe regulating power of exerting oneself for energy-storage system is available, P
ratefor energy-storage system rated power.
Described judgement adjustment unit 204 can comprise:
Charged state deviation computation subunit (not shown), for determining the current charged state SOC of energy-storage system and setting operation charged state deviation SOC
δ=SOC
ref-SOC
ess;
Weight calculation subelement (not shown), for calculating cluster weight index
wherein E is the specified stored energy of energy-storage system, P
ratefor energy-storage system rated power, T is time constant; P
δthe current P that exerts oneself of generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation;
The first ability recognin unit (not shown), for in the time that cluster weight index K is less than the first predetermined threshold value, determine the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; In the time that cluster weight index K is more than or equal to the first predetermined threshold value, determine the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
First adjusts subelement (not shown), for can make up current the exerting oneself and indicated the exerting oneself when deviation of described power dispatching instruction of described generating set at the available regulating power of exerting oneself of described energy-storage system, reduce the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
In another in possible embodiment,
Above-mentioned acquiring unit 203 can comprise:
The second judgment sub-unit (not shown), judges for the current charged state according to energy-storage system,
Second obtains subelement (not shown), in the time that the current charged state of energy-storage system is within the scope of normal charging condition, determines that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, P
discharge, during higher than normal charging condition range limit, determine that the available regulating power of exerting oneself of energy-storage system is P in the current charged state of energy-storage system
ess={ β * P
charge, P
discharge, β is adjustment factor; The current charged state of energy-storage system lower than normal charging condition scope under in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, γ * P
discharge, γ is adjustment factor; The current charged state of energy-storage system higher than normal charging condition scope on in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ 0, P
discharge; The current charged state of energy-storage system under lower than normal charging condition scope lower in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, 0 }; Wherein, P
chargefor energy-storage system can provide maximum charge power, P
dischargefor energy-storage system can provide maximum discharge power.
Above-mentioned judgement adjustment unit 204 can comprise:
Contrast subunit (not shown), for by the P that exerts oneself current generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation P
δcontrast,
The second ability recognin unit (not shown), at P
δ<min { P
charge, P
discharge, or, min { P
charge, P
discharge<P
δ< ε * min { P
charge, P
dischargetime, determine the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; At P
δwhen > ε * min { Pcharge, Pdischarge }, determine the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; Wherein, ε is coefficient, min { P
charge, P
dischargefor getting P
chargewith P
dischargein little value;
Second adjusts subelement (not shown), for can make up current the exerting oneself and indicated the exerting oneself when deviation of described power dispatching instruction of described generating set at the available regulating power of exerting oneself of described energy-storage system, reduce the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
The control device to generating set that application the embodiment of the present application provides, in generating set and energy-storage system parallel running, based on the different running statuses of generating set, energy-storage system and power dispatching instruction, generating set is adopted to different control modes, reach and effectively utilized generating set and energy-storage system advantage, reduce generating set loss and wearing and tearing, the object of the effect of guaranteed output dispatch command response simultaneously, the regulating frequency and the stress that have reduced generating set actuator, improved unit operation economy, stability and reliability.
For device embodiment, because it is substantially similar in appearance to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
It should be noted that, the generating set in the embodiment of the present application can be fired power generating unit, Hydropower Unit, wind turbine generator, gas turbine set etc.
It should be noted that, energy-storage system in the embodiment of the present application can be applied in the power dispatching class application of various active power and/or reactive power, as comprised, AGC application, frequency modulation application, wind turbine generator power output are smoothly applied, unit output error compensation is applied, rotate back-up application etc.
It should be noted that, the energy-storage system in the embodiment of the present application can be made up of all types of battery energy storage systems, as being lithium battery, sodium-sulphur battery, flow battery etc., or, can also be to be formed by flywheel energy storage system.In this application, do not limit number and the kind of energy-storage system, in above-mentioned arbitrary embodiment, described energy-storage system can be made up of an energy storage device, or is made up of many groups, the parallel connection of polymorphic type energy storage device.
It should be noted that, before the control method described in generating set employing the embodiment of the present application, can adopt other feasible different control methods.Its target is in the time that energy-storage system accesses and coordinate generating set operation, generating set adopts the control mode take operational efficiency optimum as target, at energy-storage system not when access power management and running, generating set adopts the control mode take governing speed optimum as target, thereby reaches the optimized operation effect under different conditions.
It should be noted that, generating set in above-described embodiment can be one also can be many, same, above-mentioned energy-storage system also can be made up of an energy storage device, also can be to be formed by many groups, the parallel connection of polymorphic type energy storage device, in the application, the compound mode of generating set and energy-storage system not limited.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
One of ordinary skill in the art will appreciate that all or part of step realizing in said method execution mode is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in computer read/write memory medium, here the alleged storage medium obtaining, as: ROM/RAM, magnetic disc, CD etc.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. the control method to generating set, it is characterized in that, for electricity generation system, described electricity generation system comprises for generation of the generating set of exerting oneself, for controlling the gen-set control system of generating set, and for coordinating the energy-storage system of generating set operation; Current in coordinating the state of generating set operation when described energy-storage system, and running status is when normal, and described method comprises:
Gen-set control system received power dispatch command;
Gen-set control system is determined current the exerting oneself of generating set, and current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
Gen-set control system obtains the available regulating power of exerting oneself of energy-storage system;
Judge the available regulating power of exerting oneself of described energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself, if so, reduce the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
2. method according to claim 1, is characterized in that, the step that described gen-set control system obtains the current regulating power of exerting oneself of energy-storage system comprises:
According to the operating temperature of energy-storage system, judgement
If energy-storage system operating temperature is within the scope of normal operating temperature, the available regulating power of exerting oneself of energy-storage system is P
ess=P
rate;
If energy-storage system operating temperature is higher than normal operating temperature range limit, the available regulating power of exerting oneself of energy-storage system is P
ess=P
ess=α * P
rate; Wherein, α is adjustment factor;
If energy-storage system operating temperature is higher than the upper limit in normal operating temperature scope, the available regulating power of exerting oneself of energy-storage system is P
ess=0;
Wherein, P
essthe regulating power of exerting oneself for energy-storage system is available, P
ratefor energy-storage system rated power.
3. method according to claim 2, is characterized in that, judge the available regulating power of exerting oneself of described energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the step of the indicated deviation of exerting oneself comprise:
Determine the current charged state SOC of energy-storage system and set operation charged state deviation SOC
δ=SOC
ref-SOC
ess; Wherein, SOC
reffor the current charged state of energy-storage system, SOC
essfor the operation charged state of setting, SOC
δit is the deviation of said two devices;
Calculate cluster weight index
Wherein E is the specified stored energy of energy-storage system, P
ratefor energy-storage system rated power, T is time constant; P
δthe current P that exerts oneself of generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation;
If cluster weight index K is less than the first predetermined threshold value, the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
If cluster weight index K is more than or equal to the first predetermined threshold value, the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself.
4. method according to claim 3, is characterized in that,
The governing speed of exerting oneself of described reduction generating set comprises: current when the sliding pressure control pattern at described generating set, maintain current control model, and described generating set is current while being level pressure control model, switch to sliding pressure control pattern;
The governing speed of exerting oneself of described raising generating set comprises: current when the sliding pressure control pattern at described generating set, switch to level pressure control model; Described generating set is current while being level pressure control model, maintain current control model.
5. method according to claim 1, is characterized in that, the step that described gen-set control system obtains the current regulating power of exerting oneself of energy-storage system comprises:
According to the current charged state of energy-storage system, judgement
The current charged state of energy-storage system is within the scope of normal charging condition, and the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, P
discharge,
If the current charged state of energy-storage system is higher than normal charging condition range limit, the available regulating power of exerting oneself of energy-storage system is P
ess={ β * P
charge, P
discharge, wherein, β is adjustment factor;
If the current charged state of energy-storage system is lower than normal charging condition scope lower limit, the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, γ * P
discharge, wherein, γ is adjustment factor;
If the current charged state of energy-storage system is higher than the upper limit in normal charging condition scope, the available regulating power of exerting oneself of energy-storage system is P
ess={ 0, P
discharge;
If the current charged state of energy-storage system is lower than lower limit under normal charging condition scope, the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, 0 };
Wherein, P
chargefor energy-storage system can provide maximum charge power, P
dischargefor energy-storage system can provide maximum discharge power.
6. method according to claim 5, is characterized in that, judge the available regulating power of exerting oneself of described energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the step of the indicated deviation of exerting oneself comprise:
By the P that exerts oneself current generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation P
δcontrast,
If P
δ<min { P
charge, P
discharge, or, min { P
charge, P
discharge<P
δ< ε * min { P
charge, P
discharge, the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
If P
δ> ε * min { Pcharge, Pdischarge }, the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
Wherein, ε is coefficient, min { P
charge, P
dischargefor getting P
chargewith P
dischargein little value.
7. method according to claim 6, is characterized in that,
The governing speed of exerting oneself of described reduction generating set comprises:
At P
δ<min { P
charge, P
dischargetime, keep generating set to exert oneself constant;
At min { P
charge, P
discharge<P
δ<2*min { P
charge, P
dischargetime, set the generating set governing speed of exerting oneself and be restricted to the first governing speed V1;
The governing speed of exerting oneself of described raising generating set comprises:
At P
δ>2*min { P
charge, P
dischargetime, set the generating set governing speed of exerting oneself and be restricted to the second governing speed V2;
Wherein, described the first governing speed V1 is less than described the second governing speed V2.
8. the control device to generating set, it is characterized in that, for electricity generation system, described electricity generation system comprises for generation of the generating set of exerting oneself, for controlling the gen-set control system of generating set, and for coordinating the energy-storage system of generating set operation; Current in coordinating the state of generating set operation when described energy-storage system, and running status is when normal, and described device comprises:
Receiving element, for received power dispatch command;
Computing unit, for determining current the exerting oneself of generating set, and current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
Acquiring unit, obtains the available regulating power of exerting oneself of energy-storage system for gen-set control system;
Judge adjustment unit, for judging that can the available regulating power of exerting oneself of described energy-storage system make up current the exerting oneself and the indicated deviation of exerting oneself of described power dispatching instruction of described generating set, if so, reduces the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
9. device according to claim 8, is characterized in that,
Described acquiring unit comprises:
The first judgment sub-unit, judges for the operating temperature according to energy-storage system,
First obtains subelement, in the time that energy-storage system operating temperature is within the scope of normal operating temperature, determines that the available regulating power of exerting oneself of energy-storage system is P
ess=P
rate; During higher than normal operating temperature range limit, determine that the available regulating power of exerting oneself of energy-storage system is P in energy-storage system operating temperature
ess=α * P
rate; Wherein α is adjustment factor; Energy-storage system operating temperature higher than normal operating temperature scope on the upper limit, determine that the available regulating power of exerting oneself of energy-storage system is P
ess=0; Wherein, P
essthe regulating power of exerting oneself for energy-storage system is available, P
ratefor energy-storage system rated power;
Described judgement adjustment unit comprises:
Charged state deviation computation subunit, for determining the current charged state SOC of energy-storage system and setting operation charged state deviation SOC
δ=SOC
ref-SOC
ess;
Weight calculation subelement, for calculating cluster weight index
wherein E is the specified stored energy of energy-storage system, P
ratefor energy-storage system rated power, T is time constant; P
δthe current P that exerts oneself of generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation;
The first ability recognin unit, in the time that cluster weight index K is less than the first predetermined threshold value, determine the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; In the time that cluster weight index K is more than or equal to the first predetermined threshold value, determine the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself;
First adjusts subelement, for can make up current the exerting oneself and indicated the exerting oneself when deviation of described power dispatching instruction of described generating set at the available regulating power of exerting oneself of described energy-storage system, reduces the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
10. device according to claim 8, is characterized in that,
Described acquiring unit comprises:
The second judgment sub-unit, judges for the current charged state according to energy-storage system,
Second obtains subelement, in the time that the current charged state of energy-storage system is within the scope of normal charging condition, determines that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, P
discharge, during higher than normal charging condition range limit, determine that the available regulating power of exerting oneself of energy-storage system is P in the current charged state of energy-storage system
ess={ β * P
charge, P
discharge, β is adjustment factor; The current charged state of energy-storage system lower than normal charging condition scope under in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, γ * P
discharge, γ is adjustment factor; The current charged state of energy-storage system higher than normal charging condition scope on in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ 0, P
discharge; The current charged state of energy-storage system under lower than normal charging condition scope lower in limited time, determine that the available regulating power of exerting oneself of energy-storage system is P
ess={ P
charge, 0 }; Wherein, P
chargefor energy-storage system can provide maximum charge power, P
dischargefor energy-storage system can provide maximum discharge power;
Described judgement adjustment unit comprises:
Contrast subunit, for by the P that exerts oneself current generating set
plantwith the P that exerts oneself indicated in described power dispatching instruction
aGCdeviation P
δcontrast,
The second ability recognin unit, at P
δ<min { P
charge, P
discharge, or, min { P
charge, P
discharge<P
δ< ε * min { P
charge, P
dischargetime, determine the available regulating power of exerting oneself of energy-storage system can make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; At P
δwhen > ε * min { Pcharge, Pdischarge }, determine the available regulating power of exerting oneself of energy-storage system can not make up described generating set current exert oneself with described power dispatching instruction in the indicated deviation of exerting oneself; Wherein, ε is coefficient, min { P
charge, P
dischargefor getting P
chargewith P
dischargein little value;
Second adjusts subelement, for can make up current the exerting oneself and indicated the exerting oneself when deviation of described power dispatching instruction of described generating set at the available regulating power of exerting oneself of described energy-storage system, reduces the governing speed of exerting oneself of generating set; Otherwise, the governing speed of exerting oneself of raising generating set.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107453655A (en) * | 2016-05-31 | 2017-12-08 | 北京睿能世纪科技有限公司 | A kind of method and device for controlling generating set to contribute |
CN107872071A (en) * | 2016-09-27 | 2018-04-03 | 北京睿能世纪科技有限公司 | A kind of electricity-generating method and device for power network power supply |
CN111244976A (en) * | 2020-03-09 | 2020-06-05 | 北京泓慧国际能源技术发展有限公司 | Power generation adjusting method and device based on flywheel energy storage |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101931241A (en) * | 2010-09-21 | 2010-12-29 | 许继集团有限公司 | Wind farm grid-connected coordination control method |
CN202172301U (en) * | 2011-09-02 | 2012-03-21 | 北京航空航天大学 | Topology connection structure of energy storage battery and aero-generator |
-
2012
- 2012-11-14 CN CN201210459135.5A patent/CN103812137B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101931241A (en) * | 2010-09-21 | 2010-12-29 | 许继集团有限公司 | Wind farm grid-connected coordination control method |
CN202172301U (en) * | 2011-09-02 | 2012-03-21 | 北京航空航天大学 | Topology connection structure of energy storage battery and aero-generator |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107453655A (en) * | 2016-05-31 | 2017-12-08 | 北京睿能世纪科技有限公司 | A kind of method and device for controlling generating set to contribute |
CN107453655B (en) * | 2016-05-31 | 2019-11-15 | 北京睿能世纪科技有限公司 | A kind of method and device of control generating set power output |
CN107872071A (en) * | 2016-09-27 | 2018-04-03 | 北京睿能世纪科技有限公司 | A kind of electricity-generating method and device for power network power supply |
CN107872071B (en) * | 2016-09-27 | 2020-02-11 | 北京睿能世纪科技有限公司 | Power generation method and device for supplying power to power grid |
CN111244976A (en) * | 2020-03-09 | 2020-06-05 | 北京泓慧国际能源技术发展有限公司 | Power generation adjusting method and device based on flywheel energy storage |
CN111244976B (en) * | 2020-03-09 | 2021-10-22 | 北京泓慧国际能源技术发展有限公司 | Power generation adjusting method and device based on flywheel energy storage |
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Application publication date: 20140521 Assignee: Beijing Haibo Sichuang Technology Co.,Ltd. Assignor: RAY POWER SYSTEMS CO.,LTD. Contract record no.: X2022990000842 Denomination of invention: A control method and device for generator set Granted publication date: 20160427 License type: Common License Record date: 20221028 |