CN103138269A - Layered and distributed network voltage regulator control system and method based on active mechanism - Google Patents
Layered and distributed network voltage regulator control system and method based on active mechanism Download PDFInfo
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- CN103138269A CN103138269A CN2013100477891A CN201310047789A CN103138269A CN 103138269 A CN103138269 A CN 103138269A CN 2013100477891 A CN2013100477891 A CN 2013100477891A CN 201310047789 A CN201310047789 A CN 201310047789A CN 103138269 A CN103138269 A CN 103138269A
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Abstract
The invention discloses a layered and distributed network voltage regulator control system based on an active mechanism. The layered and distributed network voltage regulator control system based on the active mechanism comprises a reactive voltage controller which faces a single branch, a coordination voltage controller which faces a local area and an initiative power distribution network voltage management subsystem which faces a whole power distribution network. The initiative power distribution network voltage control subsystem determines a voltage control indicator according to a distribution condition of power distribution network active power. When a voltage is beyond a certain limit, the reactive voltage controller locally regulates the voltage which is beyond the certain limit. When the regulation fails, the coordination voltage controller is regulated on the basis of overall considering voltage fluctuations and a batch-type energy source grid connecting and grid separating plan, and voltage beyond limit recover based on the active mechanism is achieved through the coordination of the reactive voltage controller and the coordination voltage controller. Meanwhile, the invention further provides a regulating method which corresponds to the layered and distributed network voltage regulator control system based on the active mechanism. The layered and distributed network voltage regulator control system based on the active mechanism and the regulating method which corresponds to the layered and distributed network voltage regulator control system based on the active mechanism achieve active control of the beyond limit voltage of the power distribution network on the premise of meeting power distribution network constraint conditions.
Description
Technical field
The present invention relates to intelligent grid voltage control technical field, relate in particular to a kind of layered distribution type distribution network voltage regulator control system and method based on active mechanisms.
Background technology
In recent years, along with distributed energy (DER, Distributed Energy Resource), especially regenerative resource (the RES that wind energy, solar energy etc. are new, Renewable Energy Resources) access, traditional radial distribution networks of trend one-way flow begins to change into gradually the complex network of a trend two-way flow.For this present situation, international conference on large HV electric systems (CIGRE) distribution and distributed power generation (C6) WG of technical committee C6.19 ~ WG C6.22 working group has proposed the initiatively concept of power distribution network (active distribution systems).Initiatively power distribution network is a system that is made of little power supply, load, energy-storage system and control device, and it shows as a single controlled unit for large electrical network, can realize the highly reliable supply of various energy resources form.
At present, mainly there are following two kinds of methods in active distribution network voltage control technology:
(1) based on the voltage control of " trigger-type ", be characterized in the value that arrives according to Real-time Collection, by the setting of dead band and threshold values, directly trigger predetermined control flow and adjust;
(2) based on the voltage control of total tune, this control strategy is the value that arrives according to Real-time Collection, take into account simultaneously characteristics such as considering network configuration, the manner of execution by all control appliances of first unification output of certain algorithm carries out issuing of control command subsequently again.
But present stage, all there was suitable constraint in described two kinds of technology, and " trigger-type " voltage control strategy has the few significant advantage of resource of quick action, consumption, but dead zone range is difficult to select.The too high meeting of sensitivity causes equipment that concussion repeatedly occurs, dead zone range is set excessive, to cause the situations such as part voltage out-of-limit in time not make a response, and " trigger-type " voltage control strategy core thinking remains passive, can't be adapted to initiatively these characteristics of power distribution network " based on the optimal control of active mechanisms ".And need to control whole electrical network based on the control strategy of total tune, so need network topological information, each node real-time voltage value, distributed power source (DG, Distributed Generation), the support of the mass data such as the current state of capacitor, on-load tap-changing transformer (OLTC) tap and adjustable extent, this will cause amount of calculation excessive, be difficult to satisfy the requirement of real-time.Controllable elements in the active power distribution network is far away more than traditional power distribution network simultaneously, wherein DG and reactive power compensation (SVC, Static Var Compensator) be continually varying, and the state of capacitor and OLTC is discrete, so total tune control problem is a very complicated mixed integer programming problem, this has brought great difficulty for the selection of algorithm.
Therefore, be necessary Distributed power net regulating and controlling voltage method and system are improved.
Summary of the invention
The object of the present invention is to provide a kind of layered distribution type distribution network voltage regulator control system and method based on active mechanisms, to optimize, the total tune of active distribution network voltage is controlled.
In order to realize above purpose, the invention provides a kind of layered distribution type distribution network voltage regulator control system based on active mechanisms, this system comprises: reactive power/voltage control device, coordination voltage controller and active distribution network voltage ADMINISTRATION SUBSYSTEM, the wall scroll branch road of described reactive power/voltage control device in the power distribution network, described coordination voltage controller comprises the regional area of many branch roads towards power distribution network, described active distribution network voltage ADMINISTRATION SUBSYSTEM is towards whole power distribution network; Wherein,
Described active distribution network voltage ADMINISTRATION SUBSYSTEM is used for controlling index according to the current active power of power distribution network and network topology calculating voltage, and with the mutual described voltage control index of described reactive power/voltage control device;
Described reactive power/voltage control device is used for when voltage out-of-limit and branch road summit magnitude of voltage are in described voltage control indication range, voltage being carried out regulating and controlling on the spot, makes all node voltage values of branch road be positioned at desired scope; If described branch road summit magnitude of voltage not in described voltage control indication range, sends to described active distribution network voltage ADMINISTRATION SUBSYSTEM and assists control command;
Described coordination voltage controller is used for when described branch road summit magnitude of voltage is not in described voltage control indication range, coordinate described reactive power/voltage control device to complete voltage and coordinate to control, make all node voltage values of all branch roads of power distribution network be positioned at desired scope; Wherein, the voltage change of described coordination voltage controller calculates and is handed down to described coordination voltage controller by described active distribution network voltage ADMINISTRATION SUBSYSTEM.
Preferably, described reactive power/voltage control device carries out regulating and controlling on the spot by one first controllable to voltage.
Preferably, described the first controllable is idle unit.
Preferably, described the first controllable comprises distributed power generation unit, reactive power compensator and controllable load.
Preferably, described coordination voltage controller is completed voltage by one second controllable and is coordinated control.
Preferably, described the second controllable is adjustable transformer, and the adjustment of the tap of described adjustable transformer only affects all and is positioned at the magnitude of voltage of all branch roads under this second controllable and do not affect its idle value.
Preferably, the voltage change of described coordination voltage controller is calculated based on the active mechanisms algorithm by described active distribution network voltage ADMINISTRATION SUBSYSTEM, and by to the prediction of voltage fluctuation, consider the batch (-type) energy simultaneously and be incorporated into the power networks and plan to select suitable adjusted value from net, realize the voltage optimization of whole power distribution network is controlled.
Simultaneously, in order to realize above purpose, the present invention also provides a kind of layered distribution type distribution network voltage regulate and control method based on active mechanisms, and the method utilizes the above-mentioned layered distribution type distribution network voltage regulator control system based on active mechanisms that line voltage is regulated and controled, and the method comprises the steps:
Step 1): described active distribution network voltage ADMINISTRATION SUBSYSTEM is controlled index according to the current active power of power distribution network and network topology calculating voltage, and with the mutual described voltage control index of described reactive power/voltage control device;
Step 2): when voltage out-of-limit, if branch road summit magnitude of voltage in described voltage control indication range, described reactive power/voltage control device carries out regulating and controlling on the spot to voltage, makes all node voltage values of branch road be positioned at desired scope; If described branch road summit magnitude of voltage changes step 3) over to not in described voltage control indication range;
Step 3): described reactive power/voltage control device sends to described active distribution network voltage ADMINISTRATION SUBSYSTEM and assists control command, carry out voltage by described coordination voltage controller and coordinate to control, make all node voltage values of all branch roads of power distribution network be positioned at desired scope.
Preferably, described step 3) specifically comprises the steps:
Step 31): described reactive power/voltage control device sends to described active distribution network voltage ADMINISTRATION SUBSYSTEM and assists control command, and described active distribution network voltage ADMINISTRATION SUBSYSTEM is calculated the voltage change of described coordination voltage controller and this voltage change is handed down to described coordination voltage controller;
Step 32): described coordination voltage controller carries out regulating and controlling according to described voltage change to branch voltage, makes the summit magnitude of voltage of all branch roads all in described voltage control indication range; After if this step is completed, all node voltage values of all branch roads of power distribution network are positioned at desired scope, adjust and finish; After if this step is completed, also exist the part branch voltage out-of-limit in power distribution network, change step 33 over to);
Step 33): described reactive power/voltage control device carries out regulating and controlling on the spot to voltage, makes all node voltage values of branch road be positioned at desired scope.
Preferably, described reactive power/voltage control device carries out regulating and controlling on the spot by one first controllable to voltage.
Preferably, described the first controllable is idle unit.
Preferably, described the first controllable comprises distributed power generation unit, reactive power compensator and controllable load.
Preferably, described coordination voltage controller is completed voltage by one second controllable and is coordinated control.
Preferably, described the second controllable is adjustable transformer, and the adjustment of the tap of described adjustable transformer only affects all and is positioned at the magnitude of voltage of all branch roads under this second controllable and do not affect its idle value.
Preferably, the voltage change of described coordination voltage controller is calculated based on the active mechanisms algorithm by described active distribution network voltage ADMINISTRATION SUBSYSTEM, and by to the prediction of voltage fluctuation, consider the batch (-type) energy simultaneously and be incorporated into the power networks and plan to select suitable adjusted value from net, realize the voltage optimization of whole power distribution network is controlled.
The present invention makes it compared with prior art owing to adopting above technical scheme, has following advantage and good effect:
1) the present invention fully utilizes the controllable resources of power distribution network, compares with the voltage mode control of tradition " trigger-type ", has avoided the selection in dead band, and highly sensitive, adjustment can not occur repeatedly to shake equipment simultaneously;
2) the present invention carries out the voltage out-of-limit recovery with the pattern of multilevel hierarchy, compares based on the control strategy of total tune with tradition, has avoided whole electrical network is carried out the huge amount of calculation that voltage recovers, and can guarantee that quick voltage recovers, and effectively increases range of management;
3) the present invention has adopted the algorithm based on active mechanisms, in order to realize that the initiative recognition of voltage fluctuation and off-grid active adaptation that the batch (-type) energy is incorporated into the power networks are realized that initiatively power distribution network is controlled based on the voltage optimization of active mechanisms;
4) the present invention is mutual by described active distribution network voltage ADMINISTRATION SUBSYSTEM, described reactive power/voltage control device and described coordination voltage controller, make the voltage out-of-limit reset mode more flexible, when power distribution network carries out the secondary enlarging, only needing increases the reactive power/voltage control device, thereby makes the expansion range of management more convenient.
Description of drawings
The structural representation based on the layered distribution type distribution network voltage regulator control system of active mechanisms that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the distribution net work structure figure of Fig. 1;
The flow chart based on the layered distribution type distribution network voltage regulate and control method of active mechanisms that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, layered distribution type distribution network voltage regulator control system and the method based on active mechanisms that the present invention proposes is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only is used for convenient, the purpose of the aid illustration embodiment of the present invention lucidly.
see also Fig. 1 to Fig. 2, as extremely shown in Figure 2 in Fig. 1, the layered distribution type distribution network voltage regulator control system based on active mechanisms that the embodiment of the present invention provides comprises: reactive power/voltage control device 2, coordinate voltage controller 3 and active distribution network voltage ADMINISTRATION SUBSYSTEM 1, the wall scroll branch road of reactive power/voltage control device 2 in the power distribution network, coordinate voltage controller 3 and comprise the regional area of many branch roads towards power distribution network, initiatively distribution network voltage ADMINISTRATION SUBSYSTEM 1 is towards whole power distribution network, and it is mutual to carry out mutual information between reactive power/voltage control device 2 and coordination voltage controller 3 and active distribution network voltage ADMINISTRATION SUBSYSTEM 1, four-headed arrow in Fig. 2 represents that namely mutual information is mutual.Reactive power/voltage control device 2, coordination voltage controller 3, initiatively distribution network voltage ADMINISTRATION SUBSYSTEM 1 three part collaborative works are completed the initiatively out-of-limit recovery of distribution network voltage from power distribution network aspect higher slice.Wherein:
Initiatively distribution network voltage ADMINISTRATION SUBSYSTEM 1 is used for controlling index 4 according to current active power and the network topology calculating voltage of power distribution network, and with mutual this voltage control index 4 of reactive power/voltage control device 2;
Reactive power/voltage control device 2 is used for when voltage out-of-limit and branch road summit magnitude of voltage are in voltage control index 4 scopes, voltage being carried out regulating and controlling on the spot, makes all node voltage values of branch road be positioned at desired scope; Reactive power/voltage control device 2 carries out regulating and controlling on the spot by one first controllable to voltage particularly; Preferably, this first controllable is idle unit; As preferably, this first controllable can be distributed power generation unit or reactive power compensator or controllable load etc.If branch road summit magnitude of voltage not in voltage control index 4 scopes, sends to active distribution network voltage ADMINISTRATION SUBSYSTEM 1 and assists control command;
Coordinate voltage controller 3 and be used for coordinating reactive power/voltage control device 2 to complete voltage and coordinating control when branch road summit magnitude of voltage is not in voltage control index 4 scopes, make all node voltage values of all branch roads of power distribution network be positioned at desired scope; Wherein, the voltage change of coordinating voltage controller 3 calculates and is handed down to coordination voltage controller 3 by active distribution network voltage ADMINISTRATION SUBSYSTEM 1.Particularly, but coordinate voltage controller 3 and send adjusting information to active distribution network voltage ADMINISTRATION SUBSYSTEM 1, initiatively but distribution network voltage ADMINISTRATION SUBSYSTEM 1 integrated voltage is controlled index 4 and is somebody's turn to do adjusting information, calculate based on the active mechanisms algorithm, and by to the prediction of voltage fluctuation, consider the batch (-type) energy simultaneously and be incorporated into the power networks and plan to select suitable adjusted value from net, realize the voltage optimization of whole power distribution network is controlled.
Wherein, coordinate voltage controller 3 and complete voltage coordination control by one second controllable; As preferably, this second controllable is adjustable transformer 21, as shown in Figure 2; The adjustment of the tap of this adjustable transformer 21 only affects all and is positioned at the magnitude of voltage of all branch roads under this second controllable and does not affect its idle value.
As seen from the above description: 2 pairs of local reactive-load compensation equipments of reactive power/voltage control device that the present invention proposes and the adjustable generator units such as distributed power generation equipment of power factor carry out the integrated dispatch management, realize voltage out-of-limit fast quick-recovery on the spot, if voltage deviation is excessive, ask the upper strata to assist to control; Can affect all node voltages under the branch road of place and coordinate voltage controller 3, when reactive power/voltage control device 2 can't be completed the voltage out-of-limit adjustment, coordinate voltage controller 3 and coordinate with reactive power/voltage control device 2, complete voltage and recover; Initiatively 1 of distribution network voltage ADMINISTRATION SUBSYSTEM is used for the voltage change of voltage control index 4 and coordination voltage controller 3 is calculated.
Please continue with reference to figure 3, the flow chart based on the layered distribution type distribution network voltage regulate and control method of active mechanisms that Fig. 3 provides for the embodiment of the present invention, as shown in Figure 3, the layered distribution type distribution network voltage regulate and control method based on active mechanisms that also provides of the present invention comprises the steps:
S1: initiatively the distribution network voltage ADMINISTRATION SUBSYSTEM is controlled index according to current active power and the network topology calculating voltage of power distribution network, and with the mutual voltage control index of reactive power/voltage control device;
Wherein, the voltage control index refers to: when branch road summit voltage is in this voltage control indication range, can being undertaken on the spot by the reactive power/voltage control device, voltage out-of-limit recovers, when branch road summit voltage exceeds this voltage control index, just can't carry out voltage by the reactive power/voltage control device and recover.Particularly, the voltage control index can be calculated iteration by trend and obtain, and this value does not rely on the input situation of each reactive apparatus this moment.
S2: when voltage out-of-limit, judge that branch road summit magnitude of voltage is whether in the voltage control indication range, if branch road summit magnitude of voltage is in described voltage control indication range, the reactive power/voltage control device carries out regulating and controlling on the spot to voltage, makes all node voltage values of branch road be positioned at desired scope;
Particularly, the reactive power/voltage control device can be by the first controllable in this branch road of integrated dispatch scope, and namely distributed power generation unit, reactive power compensator (SVC, capacitor) and controllable load etc., carry out voltage control adjusting on the spot.
If branch road summit magnitude of voltage is not in the voltage control indication range, the reactive power/voltage control device sends to active distribution network voltage ADMINISTRATION SUBSYSTEM and assists control command, requires the coordination voltage controller to assist to complete voltage out-of-limit and recovers; Comprise the following steps again particularly:
S31: the reactive power/voltage control device sends to active distribution network voltage ADMINISTRATION SUBSYSTEM and assists control command, initiatively but distribution network voltage ADMINISTRATION SUBSYSTEM integrated voltage is controlled the index adjusting information mutual with coordinating voltage controller, calculate based on the active mechanisms algorithm, and by to the prediction of voltage fluctuation, consider the batch (-type) energy simultaneously and be incorporated into the power networks and plan to select suitable voltage change from net, and this voltage change is handed down to the coordination voltage controller; Wherein, this adjusted value can satisfy after coordinating voltage controller and adjusting according to this adjusted value, and all branch roads summits magnitude of voltage is all in the voltage control indication range;
S32: coordinate voltage controller and according to voltage change, branch voltage is carried out regulating and controlling, particularly by controlling the second controllable of its correspondence, it is the adjustable transformer tap, make the summit magnitude of voltage of all branch roads all in described voltage control indication range, wherein, the adjustment of the tap of adjustable transformer only affects all and is positioned at the magnitude of voltage of all branch roads under this second controllable and does not affect its idle value; Namely carry out the voltage out-of-limit judgement after this step is completed, if after this step is completed, all node voltage values of all branch roads of power distribution network are positioned at desired scope, adjust and finish, and realize that the full electric network voltage out-of-limit recovers; After if this step is completed, also exist the part branch voltage out-of-limit in power distribution network, change step 2 over to) by the reactive power/voltage control device, voltage is carried out regulating and controlling on the spot, make all node voltage values of branch road be positioned at desired scope, realize that the full electric network voltage out-of-limit recovers.
In sum, the present invention recovers voltage out-of-limit in power distribution network by the control framework of multilevel hierarchy; Formation is take active distribution network voltage ADMINISTRATION SUBSYSTEM as core, take the reactive power/voltage control device and coordinate voltage controller and control as the layered distribution type multilevel coordination of representative, each controllable such as distributed power generation, reactive power compensator, controllable load and adjustable transformer of comprehensive utilization access power distribution network realize recovering based on the layered distribution type voltage out-of-limit of active mechanisms.
Above-described embodiment is only to give an example for convenience of description, and the interest field that the present invention advocates should be as the criterion so that claim is described, but not only limits to described embodiment.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (15)
1. layered distribution type distribution network voltage regulator control system based on active mechanisms, it is characterized in that, comprise: reactive power/voltage control device, coordination voltage controller and active distribution network voltage ADMINISTRATION SUBSYSTEM, the wall scroll branch road of described reactive power/voltage control device in the power distribution network, described coordination voltage controller comprises the regional area of many branch roads towards power distribution network, described active distribution network voltage ADMINISTRATION SUBSYSTEM is towards whole power distribution network; Wherein,
Described active distribution network voltage ADMINISTRATION SUBSYSTEM is used for controlling index according to the current active power of power distribution network and network topology calculating voltage, and with the mutual described voltage control index of described reactive power/voltage control device;
Described reactive power/voltage control device is used for when voltage out-of-limit and branch road summit magnitude of voltage are in described voltage control indication range, voltage being carried out regulating and controlling on the spot, makes all node voltage values of branch road be positioned at desired scope; If described branch road summit magnitude of voltage not in described voltage control indication range, sends to described active distribution network voltage ADMINISTRATION SUBSYSTEM and assists control command;
Described coordination voltage controller is used for when described branch road summit magnitude of voltage is not in described voltage control indication range, coordinate described reactive power/voltage control device to complete voltage and coordinate to control, make all node voltage values of all branch roads of power distribution network be positioned at desired scope; Wherein, the voltage change of described coordination voltage controller calculates and is handed down to described coordination voltage controller by described active distribution network voltage ADMINISTRATION SUBSYSTEM.
2. the layered distribution type distribution network voltage regulator control system based on active mechanisms as claimed in claim 1, is characterized in that, described reactive power/voltage control device carries out regulating and controlling on the spot by one first controllable to voltage.
3. the layered distribution type distribution network voltage regulator control system based on active mechanisms as claimed in claim 2, is characterized in that, described the first controllable is idle unit.
4. the layered distribution type distribution network voltage regulator control system based on active mechanisms as claimed in claim 3, is characterized in that, described the first controllable comprises distributed power generation unit, reactive power compensator and controllable load.
5. the layered distribution type distribution network voltage regulator control system based on active mechanisms as claimed in claim 1, is characterized in that, described coordination voltage controller is completed voltage by one second controllable and coordinated to control.
6. the layered distribution type distribution network voltage regulator control system based on active mechanisms as claimed in claim 5, it is characterized in that, described the second controllable is adjustable transformer, and the adjustment of the tap of described adjustable transformer only affects all and is positioned at the magnitude of voltage of all branch roads under this second controllable and do not affect its idle value.
7. the layered distribution type distribution network voltage regulator control system based on active mechanisms as claimed in claim 1, it is characterized in that, the voltage change of described coordination voltage controller is calculated based on the active mechanisms algorithm by described active distribution network voltage ADMINISTRATION SUBSYSTEM, and by to the prediction of voltage fluctuation, consider the batch (-type) energy simultaneously and be incorporated into the power networks and plan to select suitable adjusted value from net, realize the voltage optimization of whole power distribution network is controlled.
8. layered distribution type distribution network voltage regulate and control method based on active mechanisms, utilize the layered distribution type distribution network voltage regulator control system based on active mechanisms as claimed in claim 1 that line voltage is regulated and controled, it is characterized in that, the method comprises the steps:
Step 1): described active distribution network voltage ADMINISTRATION SUBSYSTEM is controlled index according to the current active power of power distribution network and network topology calculating voltage, and with the mutual described voltage control index of described reactive power/voltage control device;
Step 2): when voltage out-of-limit, if branch road summit magnitude of voltage in described voltage control indication range, described reactive power/voltage control device carries out regulating and controlling on the spot to voltage, makes all node voltage values of branch road be positioned at desired scope; If described branch road summit magnitude of voltage changes step 3) over to not in described voltage control indication range;
Step 3): described reactive power/voltage control device sends to described active distribution network voltage ADMINISTRATION SUBSYSTEM and assists control command, carry out voltage by described coordination voltage controller and coordinate to control, make all node voltage values of all branch roads of power distribution network be positioned at desired scope.
9. the layered distribution type distribution network voltage regulate and control method based on active mechanisms as claimed in claim 8, is characterized in that, described step 3) specifically comprises the steps:
Step 31): described reactive power/voltage control device sends to described active distribution network voltage ADMINISTRATION SUBSYSTEM and assists control command, and described active distribution network voltage ADMINISTRATION SUBSYSTEM is calculated the voltage change of described coordination voltage controller and this voltage change is handed down to described coordination voltage controller;
Step 32): described coordination voltage controller carries out regulating and controlling according to described voltage change to branch voltage, makes the summit magnitude of voltage of all branch roads all in described voltage control indication range; After if this step is completed, all node voltage values of all branch roads of power distribution network are positioned at desired scope, adjust and finish; After if this step is completed, also exist the part branch voltage out-of-limit in power distribution network, change step 33 over to);
Step 33): described reactive power/voltage control device carries out regulating and controlling on the spot to voltage, makes all node voltage values of branch road be positioned at desired scope.
10. the layered distribution type distribution network voltage regulate and control method based on active mechanisms as claimed in claim 8, is characterized in that, described reactive power/voltage control device carries out regulating and controlling on the spot by one first controllable to voltage.
11. the layered distribution type distribution network voltage regulate and control method based on active mechanisms as claimed in claim 10 is characterized in that described the first controllable is idle unit.
12. the layered distribution type distribution network voltage regulate and control method based on active mechanisms as claimed in claim 8 is characterized in that, described the first controllable comprises distributed power generation unit, reactive power compensator and controllable load.
13. the layered distribution type distribution network voltage regulate and control method based on active mechanisms as claimed in claim 8 is characterized in that, described coordination voltage controller is completed voltage by one second controllable and is coordinated to control.
14. the layered distribution type distribution network voltage regulate and control method based on active mechanisms as claimed in claim 13, it is characterized in that, described the second controllable is adjustable transformer, and the adjustment of the tap of described adjustable transformer only affects all and is positioned at the magnitude of voltage of all branch roads under this second controllable and do not affect its idle value.
15. the layered distribution type distribution network voltage regulate and control method based on active mechanisms as claimed in claim 9, it is characterized in that, the voltage change of described coordination voltage controller is calculated based on the active mechanisms algorithm by described active distribution network voltage ADMINISTRATION SUBSYSTEM, and by to the prediction of voltage fluctuation, consider the batch (-type) energy simultaneously and be incorporated into the power networks and plan to select suitable adjusted value from net, realize the voltage optimization of whole power distribution network is controlled.
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| CN108879700A (en) * | 2018-08-22 | 2018-11-23 | 广东电网有限责任公司 | A kind of adjusting method of network voltage, device and equipment |
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| CN111612317A (en) * | 2020-05-09 | 2020-09-01 | 国网福建省电力有限公司 | Voltage out-of-limit risk assessment and prevention control method for active power distribution network |
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