WO2011090202A1 - 変電所自動制御システム - Google Patents
変電所自動制御システム Download PDFInfo
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- WO2011090202A1 WO2011090202A1 PCT/JP2011/051282 JP2011051282W WO2011090202A1 WO 2011090202 A1 WO2011090202 A1 WO 2011090202A1 JP 2011051282 W JP2011051282 W JP 2011051282W WO 2011090202 A1 WO2011090202 A1 WO 2011090202A1
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- voltage
- automatic
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- transmission line
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- 230000005540 biological transmission Effects 0.000 claims description 64
- 230000001629 suppression Effects 0.000 claims description 18
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1878—Arrangements for adjusting, eliminating or compensating reactive power in networks using tap changing or phase shifting transformers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/14—Time supervision arrangements, e.g. real time clock
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/006—Calibration or setting of parameters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/40—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to ratio of voltage and current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/102—Parallel operation of dc sources being switching converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Definitions
- Embodiments of the present invention relate to a substation automatic control system that automatically controls a substation in which a transformer with a voltage / active power adjustment function having both a voltage adjustment function and an active power adjustment function is installed.
- a power adjustment device that performs adjustment control with a voltage adjustment function in addition to an active power adjustment function by phase adjustment of a transformer in a substation (for example, Japanese Patent Application Laid-Open No. 2000-125473).
- a load tap switching device that switches winding taps while the transformer is energized or a load is applied, and performs adjustment control of the voltage value (for example, Japanese Electrical Standards Committee (JEC-2220 shown in the JEC standard established by the Japanese Electrotechnical Committee (JEC)).
- JEC-2220 Japanese Electrical Standards Committee
- the tap of the load tap change transformer is automatically controlled so that the voltage value of the power system is within an allowable range.
- a transformer with a voltage / active power adjustment function which has both a voltage adjustment function and an active power adjustment function, is installed between the bus and the transmission line of the substation, so that system operation from time to time in a wide-area power transmission network
- the operator determines the state, and manually controls (operates) the voltage tap and phase tap of the transformer with voltage / active power adjustment function, while maintaining the voltage value of the power system within the allowable range.
- Substation control systems that reduce overload on transmission lines and optimize active power (tidal currents) are known (for example, Tohoku Electric Power Co., Inc. homepage (http: //www.tohoku-epco.co.jp/whats/news/1997/71030.htm)).
- the active power (tidal current) of the transmission line superimposed on the transmission line due to an accident or operation of the surrounding grid by the operator is within an allowable range.
- the voltage adjustment and the operation of the voltage tap and phase tap of the transformer with active power adjustment function are repeated by the operator's manual operation, and the voltage value of the power system is maintained within the allowable range. Suppresses to the effective power transmission value. Since it is necessary to make this emergency judgment and quick manual operation, the operator is required to perform advanced driving operations.
- an automatic power regulator Automatic Power Regulator
- an automatic voltage regulator Automatic Voltage Regulator
- Control may be performed.
- the voltage tap and the phase tap are controlled simultaneously unless the automatic power adjustment device and the automatic voltage adjustment device are coordinated with each other. There is.
- the system voltage rises by suppressing the active power of the transmission line. Therefore, when the system voltage exceeds the upper limit of the predetermined voltage range, the voltage tap is controlled to be lowered, and at the same time, the phase tap is controlled to reduce the active power. Nevertheless, the system voltage may not decrease as expected. As a result, unstable and transient tap control may be performed.
- the substation automatic control system that can suppress the active power to a predetermined suppression value while maintaining the system voltage of the transmission line while coordinating between the automatic power adjustment device and the automatic voltage adjustment device. It is desirable to provide.
- a transformer with a voltage / active power adjustment function provided between a main bus line from a substation and a transmission line and having a voltage tap and a phase tap, and the electric power of the transmission line
- the voltage / active power adjustment function the amount of power is taken in via an instrument transformer and the effective power of the transmission line is calculated and the effective power of the transmission line exceeds a predetermined limit value so that it becomes less than a predetermined suppression value.
- An automatic power adjustment device that outputs a phase tap control command to the phase tap of the transformer, and calculates the system voltage of the power transmission line by taking in the electric quantity of the power transmission line via a transformer for the instrument, and the system voltage of the power transmission line
- an automatic voltage regulator that outputs a voltage tap control command to the voltage tap of the transformer with the voltage / active power regulation function so that is within a predetermined system voltage range, and the automatic power regulator is a phase Control the tap
- the automatic voltage regulator activates the automatic voltage regulator
- the automatic voltage regulator activates the automatic power regulator when the voltage tap is controlled.
- FIG. 1 is a configuration diagram showing an example of a substation automatic control system according to an embodiment of the present invention.
- FIG. 2 is a configuration diagram showing another example of the substation automatic control system according to the embodiment of the present invention.
- FIG. 3 is a flowchart showing the processing contents according to Example 1 of the substation automatic control system according to the embodiment of the present invention.
- FIG. 4 is a flowchart showing the processing contents according to Example 2 of the substation automatic control system according to the embodiment of the present invention.
- FIG. 5 is a flowchart showing the processing contents according to Example 3 of the substation automatic control system according to the embodiment of the present invention.
- FIG. 6 is a flowchart showing processing contents according to the fourth embodiment of the substation automatic control system according to the embodiment of the present invention.
- FIG. 7 is a flowchart showing processing contents according to the fifth embodiment of the substation automatic control system according to the embodiment of the present invention.
- FIG. 1 is a configuration diagram showing an example of a substation automatic control system according to an embodiment of the present invention.
- a transformer 13 with a voltage / active power adjustment function is arranged between the main bus 11 and the transmission line 12 in the substation.
- the transformer with voltage / active power adjustment function 13 includes a voltage tap 14 for adjusting voltage and a phase tap 15 for adjusting active power.
- the primary side of the transformer 13 with voltage / active power adjustment function is provided with a CT 16 and a VT 17 as a transformer for an instrument.
- the CT 16 detects a current value which is an electric quantity of the transmission line, and the VT 17 A voltage value that is a quantity is detected.
- the automatic power adjustment device 18 receives the transmission line current detected at CT16 and the transmission line voltage detected at VT17, and the automatic voltage adjustment device 19 receives the transmission line voltage detected at VT17. .
- the automatic power adjustment device 18 calculates the effective power of the transmission line.
- a phase tap control command S1 is output to the voltage / active power adjusting function-equipped transformer 13 for the purpose of suppressing the calculation result to a predetermined active power.
- the automatic voltage regulator 19 calculates the system voltage.
- a voltage tap control command S ⁇ b> 2 is output to the voltage / active power adjustment function-equipped transformer 13 for the purpose of falling within a predetermined system voltage range from the calculation result.
- the automatic power adjustment device 18 and the automatic voltage adjustment device 19 are connected by a dedicated communication line 20, and are automatically connected.
- the power adjustment device 18 and the automatic voltage adjustment device 19 suppress the active power to a predetermined suppression value while maintaining the system voltage of the transmission line while coordinating with each other.
- the right to control the phase tap and the voltage tap is alternately passed, and if one of the adjustment devices is a condition for its own tap control, the control is performed after the control is performed on the other adjustment device. Give the right to do. If it is not a condition for controlling itself, the control is abandoned and the right to perform control is transferred to the other adjusting device. By repeating such automatic control, it is suppressed to a predetermined active power value while maintaining the system voltage.
- FIG. 2 is a configuration diagram showing another example of the substation automatic control system according to the embodiment of the present invention.
- CT16 and VT17 which are instrument transformers are provided on the secondary side of the transformer 13 with a voltage / active power adjustment function.
- FIG. 3 is a flowchart showing the processing contents of Example 1 of the substation automatic control system according to the embodiment of the present invention.
- the automatic power adjustment device 18 is activated (step S1), and it is determined whether or not the active power P of the transmission line 12 has exceeded the preset active power limit value Pset1 (step S2). If the active power P of the power transmission line 12 does not exceed the limit value Pset1, the process ends.
- the automatic power adjustment device 18 outputs the phase tap control command S1 as the initial phase tap control (1 tap) (step S3).
- the phase tap 15 of the transformer 13 with the voltage / active power adjustment function is controlled, and the active power is suppressed.
- the automatic power adjustment device 18 activates the automatic voltage adjustment device 19 (step S4), and gives the right to perform control to the automatic voltage adjustment device 19. This right is transferred via a dedicated communication line 20 between the automatic voltage regulator 19 and the automatic power regulator 18.
- the automatic voltage adjusting device 19 to which the right has been transferred has a voltage difference absolute value
- between the system voltage V and a predetermined voltage value Vset as a predetermined tolerance dVset ( Vset ⁇ allowance). %) Is determined (step S5).
- is outside the allowable voltage range (dVset>
- the automatic voltage regulator 19 outputs a voltage tap control command S2 as voltage tap control (1 tap) ( Step S6).
- the voltage tap 14 of the voltage / active power adjustment function-equipped transformer 13 is controlled, and steps S4 to S6 are repeated until the voltage tap 14 reaches the allowable voltage range (Vset ⁇ dVset).
- step S5 the automatic power adjustment device 18 is started again (step S7), and the right to control the automatic power adjustment device 18 again. Give up.
- the automatic power adjustment device 18 determines whether or not the effective power P of the transmission line has reached a preset value of the transmission line active power suppression value Pset2 or less (step S8), and reaches the suppression value Pset2 or less. Ends the process. On the other hand, if the value does not reach the suppression value Pset2 or less, phase tap control (1 tap) is performed (step S9), and steps S4 to S9 are repeated until the active power reaches the suppression value Pset2 or less. The phase tap control is performed for each tap so that the system voltage does not change suddenly and adversely affects the entire wide area system.
- the automatic power adjustment device 18 automatically controls the phase tap of the transformer 13 with the voltage / active power adjustment function, and suppresses the effective power P of the transmission line to the predetermined power transmission active power value Pset2.
- the automatic voltage regulator 19 automatically controls the voltage tap of the transformer 13 with the voltage / active power adjustment function to maintain the system voltage V, the active power is set to a predetermined value while maintaining the system voltage of the transmission line. It can be suppressed to the suppression value.
- FIG. 4 is a flowchart showing the processing contents according to Example 2 of the substation automatic control system according to the embodiment of the present invention.
- steps S10 to S12 are added to the first embodiment shown in FIG. 3, the automatic voltage regulator 19 is first activated (step S10), and the voltage determination process (step S11) is performed. And the voltage tap control process (step S12) is performed.
- step S10 the voltage determination process
- step S12 the voltage tap control process
- the automatic voltage regulator 19 is activated (step S10).
- the automatic voltage regulator 19 obtains a voltage difference absolute value
- between the system voltage V and a preset voltage value Vset, and performs a determination process based on a tolerance dVset ( Vset ⁇ allowable%) with respect to the voltage value Vset ( dVset>
- ) is performed (step S11).
- step S12 the automatic voltage regulator 19 performs voltage tap control (1 tap) (step S12).
- a voltage tap control command S2 is output from the automatic voltage regulator 19, and as a result, the voltage tap 14 of the transformer 13 with voltage / active power adjustment function is controlled.
- Steps S11 to S12 are repeated until the system voltage V reaches the allowable voltage range (Vset ⁇ dVset).
- the permissible voltage range (Vset ⁇ dVset) the right to perform control is transferred from the automatic voltage regulator 19 to the automatic power regulator 18, and the same processing of steps S 1 to S 9 as in FIG. 3 is performed. Is done.
- the automatic power adjustment device 18 and the automatic voltage adjustment device 19 can be automatically controlled regardless of the operator's judgment by the combination of the automatic power adjustment device 18 and the automatic voltage adjustment device 19.
- efficient and stable automatic substation control can be performed.
- FIG. 5 is a flowchart showing the processing contents according to Example 3 of the substation automatic control system according to the embodiment of the present invention.
- steps S13 to S15 are added to the first embodiment shown in FIG. 3, and the active power P of the transmission line exceeds a predetermined limit value Pset1 over a certain time period Tset.
- the phase tap control command S1 is output to the phase tap 15 of the transformer 13 with voltage / active power adjustment function.
- the same steps as those in FIG. 3 are denoted by the same reference numerals, and redundant description is omitted.
- the automatic power adjustment device 18 is activated (step S1), and it is determined whether or not the active power P of the transmission line 12 has exceeded the preset active power limit value Pset1 (step S2). If the active power P of the power transmission line 12 does not exceed the limit value Pset1, the process ends.
- step S13 the active power P of the transmission line 12 exceeds the limit value Pset1
- the automatic power adjustment device 18 resets the timer (step S13) and starts counting the timer (step S14). Then, it is determined whether or not the timer count time t has exceeded a certain time limit Tset (step S15). When the timer count time t has exceeded a certain time limit Tset, the process proceeds to step S3 and subsequent steps.
- step S13 is prepared for starting the timer determination process (t> Tset) in step S15 based on the result of the determination process of the active power P of the transmission line (P> Pset1) again.
- the time limit of the timer “t” is once reset.
- Example 3 once the substation automatic control system is activated, control of the phase tap 15 and the voltage tap 14 is repeated, so that it takes time to suppress the effective power of the transmission line.
- the determination process of the third embodiment before the substation automatic control system is activated, it is possible to restore the power transmission network to stable operation by power restoration after an accident or successful reclosing. In this case, since it is not necessary to start the substation automatic control system, unnecessary start of the substation automatic control system can be avoided.
- FIG. 6 is a flowchart showing the processing contents according to Example 4 of the substation automatic control system according to the embodiment of the present invention.
- steps S16 to S21 are added to the first embodiment shown in FIG. 3, and when there is a start condition from the outside after the effective power of the transmission line is suppressed, the automatic voltage regulator While the power transmission end system voltage is maintained by automatic control of the voltage tap, the value is returned to the value of the phase tap before the effective power suppression of the transmission line.
- the same steps as those in FIG. 3 are denoted by the same reference numerals, and redundant description is omitted.
- Step S16 determines whether or not there is an external activation condition. That is, it is determined whether or not there is an external condition such as restoration of the transmission line of the peripheral system network. If there is no external activation condition, the process is terminated.
- step S17 it is determined whether or not the position of the phase tap 15 of the voltage / active power adjusting function-equipped transformer 13 is equal to the preset phase tap set0 (step S17).
- the process is terminated.
- the automatic power adjustment device 18 performs control of the phase tap 15 for only one tap (step S18), and the automatic power adjustment device 18 performs automatic voltage adjustment.
- the adjustment device 19 is activated (step S19), and the right to perform control is transferred to the automatic voltage adjustment device 19.
- Step S20 whether or not the voltage difference absolute value
- between the system voltage V and a predetermined voltage value Vset is less than a tolerance dVset ( Vset ⁇ allowable%) with respect to the voltage value Vset. (Step S20), and when the system voltage V is within the allowable voltage range (Vset ⁇ dVset) based on the predetermined voltage value Vset, the process returns to step S17.
- the automatic voltage regulator 19 controls the voltage tap 14 for each tap and performs step S20. Step S20 to step S21 are repeated until the voltage reaches the allowable voltage range (Vset ⁇ dVset).
- step S17 When the system voltage V reaches the allowable voltage range (Vset ⁇ dVset), the process returns to step S17 again, and steps S17 to S21 are repeated until the position of the phase tap 15 coincides with the phase tap set0.
- the system voltage is maintained by the automatic control of the voltage tap 14 by the automatic voltage adjusting device 19, and the automatic power adjusting device 18 automatically controls to the position of the phase tap set0 before suppressing the effective power of the transmission line.
- the position of the phase tap 15 can be automatically returned to the value before suppression.
- FIG. 7 is a flowchart showing the processing contents according to Example 5 of the substation automatic control system according to the embodiment of the present invention.
- step S22 is added between step S5 and step S6, and step S23 is added between step S8 and step S9 with respect to the first embodiment shown in FIG. .
- the same steps as those in FIG. 3 are denoted by the same reference numerals, and redundant description is omitted.
- the position of the voltage tap 14 and the phase tap 15 is determined as a result of the tap control. There may be a combination of tap positions that are prohibited in the transformer 13 with the voltage / active power adjustment function. In that case, the tap operation cannot be executed.
- step S6 for controlling the voltage tap 14 it is determined whether or not the voltage tap of the main body of the transformer 13 with voltage / active power adjustment function has reached the upper and lower limits of the prohibited tap. Whether or not the phase tap of the main body of the voltage / active power adjusting function transformer 13 has reached the upper and lower limits of the prohibited tap is determined before step S9 for controlling the phase tap 15 is provided. Step S23 for determining is provided.
- the voltage tap 14 controls only one tap from the automatic voltage regulator 19.
- the phase tap 15 is controlled only for one tap from the automatic power adjustment device 18 for only one tap. If each tap has reached the upper and lower limits of the prohibited tap, the right to control is transferred to the other adjusting device.
- the effective power of the transmission line can be suppressed while avoiding that the position of the voltage tap 14 and the position of the phase tap 15 at the time of starting the substation automatic control system reach the prohibited tap region.
- the active power is reduced to a predetermined suppression value while maintaining the system voltage of the transmission line while coordinating between the automatic power adjustment device and the automatic voltage adjustment device.
- a substation automatic control system that can be suppressed can be provided.
- the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage.
- various inventions can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment.
- constituent elements over different embodiments may be appropriately combined.
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Abstract
Description
Claims (5)
- 変電所からの主母線(11)と送電線(12)との間に配置され電圧タップ(14)と位相タップ(15)とを備えた電圧・有効電力調整機能付変圧器(13)と、
前記送電線(12)の電気量を計器用変成器を介して取り込み送電線(12)の有効電力を演算しその送電線(12)の有効電力が所定の制限値を超えたとき所定の抑制値未満になるように前記電圧・有効電力調整機能付変圧器(13)の位相タップ(15)に対して位相タップ制御指令を出力する自動電力調整装置(18)と、
前記送電線(12)の電気量を計器用変成器を介して取り込み送電線(12)の系統電圧を演算しその送電線(12)の系統電圧が所定の系統電圧範囲内になるように前記電圧・有効電力調整機能付変圧器(13)の電圧タップ(14)に対して電圧タップ制御指令を出力する自動電圧調整装置(19)と
を備え、
前記自動電力調整装置(18)は位相タップ(15)の制御を行ったときは前記自動電圧調整装置(19)を起動し、前記自動電圧調整装置(19)は電圧タップ(14)の制御を行ったときは前記自動電力調整装置(18)を起動し、前記自動電圧調整装置(19)による自動制御にて送電端系統電圧を系統電圧範囲内に維持しつつ、前記自動電力調整装置(18)によって送電線(12)の有効電力を所定の抑制値未満まで抑制することを特徴とする変電所自動制御システム。 - 前記自動電力調整装置(18)及び前記自動電圧調整装置(19)に前記送電線(12)の電気量を取り込む計器用変成器(16,17)は、前記電圧・有効電力調整機能付変圧器(13)の1次側または2次側に設置されることを特徴とする請求項1に記載の変電所自動制御システム。
- 前記自動電力調整装置(18)は、送電線(12)の有効電力が一定時限以上に亘って所定の制限値を超えたときに、送電線(12)の有効電力が所定の抑制値未満になるように前記電圧・有効電力調整機能付変圧器(13)の位相タップ(15)に対して位相タップ制御指令を出力することを特徴とする請求項1に記載の変電所自動制御システム。
- 前記自動電力調整装置(18)は、送電線(12)の有効電力の抑制後に外部から起動条件があったときは、前記自動電圧調整装置(19)による電圧タップ(14)の自動制御にて送電端系統電圧を維持しつつ、送電線(12)の有効電力抑制前の位相タップ(15)の値にまで戻すことを特徴とする請求項1に記載の変電所自動制御システム。
- 前記自動電圧調整装置(19)は前記電圧・有効電力調整機能付変圧器(13)にて禁止される電圧タップ(14)の位置となるときは電圧タップ制御指令を出力せずに前記自動電力調整装置(18)を起動し、前記自動電力調整装置(18)は前記電圧・有効電力調整機能付変圧器(13)にて禁止される位相タップ(15)の位置となるときは位相タップ制御指令を出力せずに前記自動電圧調整装置(19)を起動することを特徴とする請求項1に記載の変電所自動制御システム。
Priority Applications (6)
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RU2012132962/07A RU2510670C2 (ru) | 2010-01-25 | 2011-01-25 | Автоматическая система управления подстанцией |
AU2011208006A AU2011208006B2 (en) | 2010-01-25 | 2011-01-25 | Substation automatic control system |
CN201180004324.7A CN102598456B (zh) | 2010-01-25 | 2011-01-25 | 变电站自动控制系统 |
BR112012018493A BR112012018493A2 (pt) | 2010-01-25 | 2011-01-25 | sistema de controle automático da subestação |
EP11734808.6A EP2530803A4 (en) | 2010-01-25 | 2011-01-25 | Substation automatic control system |
US13/544,283 US8494684B2 (en) | 2010-01-25 | 2012-07-09 | Substation automatic control system |
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JP2010013420A JP5502504B2 (ja) | 2010-01-25 | 2010-01-25 | 変電所自動制御システム |
JP2010-013420 | 2010-01-25 |
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US13/544,283 Continuation US8494684B2 (en) | 2010-01-25 | 2012-07-09 | Substation automatic control system |
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US (1) | US8494684B2 (ja) |
EP (1) | EP2530803A4 (ja) |
JP (1) | JP5502504B2 (ja) |
CN (1) | CN102598456B (ja) |
AU (1) | AU2011208006B2 (ja) |
BR (1) | BR112012018493A2 (ja) |
RU (1) | RU2510670C2 (ja) |
WO (1) | WO2011090202A1 (ja) |
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BR112012018493A2 (pt) | 2016-04-12 |
US8494684B2 (en) | 2013-07-23 |
RU2510670C2 (ru) | 2014-04-10 |
AU2011208006B2 (en) | 2014-03-06 |
AU2011208006A1 (en) | 2012-08-23 |
EP2530803A4 (en) | 2018-01-24 |
RU2012132962A (ru) | 2014-02-10 |
JP5502504B2 (ja) | 2014-05-28 |
JP2011152021A (ja) | 2011-08-04 |
CN102598456B (zh) | 2014-12-31 |
US20120274303A1 (en) | 2012-11-01 |
EP2530803A1 (en) | 2012-12-05 |
CN102598456A (zh) | 2012-07-18 |
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