WO2013054640A1 - フライホイール発電設備およびその運転方法 - Google Patents
フライホイール発電設備およびその運転方法 Download PDFInfo
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- WO2013054640A1 WO2013054640A1 PCT/JP2012/073631 JP2012073631W WO2013054640A1 WO 2013054640 A1 WO2013054640 A1 WO 2013054640A1 JP 2012073631 W JP2012073631 W JP 2012073631W WO 2013054640 A1 WO2013054640 A1 WO 2013054640A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
- H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
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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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/30—Arrangements for balancing of the load in a network by storage of energy using dynamo-electric machines coupled to flywheels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/26—Arrangements for deflecting ray or beam
- H01J3/28—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J3/30—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines by electric fields only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Definitions
- Embodiments of the present invention relate to a flywheel power generation facility and an operation method thereof.
- FIG. 6 is a schematic diagram showing the configuration of a conventional flywheel power generation facility.
- the flywheel generator 1 has a flywheel 1a for accumulating rotational energy (mechanical energy), and can convert the accumulated rotational energy into electric energy (electric power) and output it.
- the flywheel generator 1 is used, for example, for power supply to the fusion test facility 6 that requires a large current in a short time.
- the drive motor 2 is directly connected to the flywheel generator 1, and further, the power supply device 3 is connected to the drive motor 2.
- the drive motor 2 is a motor that rotates the flywheel 1 a
- the power supply device 3 is a device that supplies power to the drive motor 2.
- the flywheel power generation facility accelerates the flywheel generator 1 by the drive motor 2 before starting the operation of the fusion test facility 6, Rotational energy is stored in the flywheel 1a.
- stable acceleration control is realized by the detector 5 (for example, a rotational speed detector) and the control device 4 (for example, the rotational speed control device).
- the detector 5 detects the rotational speed of the flywheel 1a, and the control device 4 controls the operation of the drive motor 2 based on the detected rotational speed.
- the flywheel generator 1 converts the accumulated rotational energy into electric energy during operation of the fusion test facility 6 and supplies the fusion energy to the fusion test facility 6. Thereby, the rotational speed of the flywheel 1a decreases as the rotational energy decreases.
- the flywheel power generation facility stops the operation of the nuclear fusion test facility 6 and causes the drive motor 2 to speed up the flywheel power generator 1 again.
- the operation of the fusion test facility 6 is repeatedly performed by repeatedly increasing the speed of the flywheel generator 1 and supplying power to the fusion test facility 6.
- the controller 4 controls the operation of the drive motor 2 to increase the rotational speed of the flywheel 1a to the rated rotational speed when the flywheel power generation facility is started or when the rotational speed of the flywheel 1a is decreased.
- a winding induction motor is employed as the drive motor 2
- a speed control device using a liquid resistor provided in the secondary winding is employed as the control device 4.
- the power supply circuit breaker 3 a in the power supply device 3 is opened and the power supply from the power supply device 3 to the drive motor 2 is stopped. .
- the nuclear fusion test facility 6 has a system configuration completely independent from the electric power system of the electric power company in order to handle the rapidly changing large power.
- the flywheel power generation is performed during the rapid change of the rotational speed during the operation of the fusion test equipment 6. This is because it is not appropriate to use the machine 1.
- the conventional flywheel generator 1 needs to have a power generation capacity and a flywheel size capable of storing the maximum energy required by the fusion test facility 6.
- the operation time of the conventional fusion test facility 6 is as short as about 10 seconds at the maximum, and the flywheel generator 1 capable of storing the maximum amount of energy required by the fusion test facility 6 was feasible.
- an object of the present invention is to provide a flywheel power generation facility and a method of operating the flywheel power generation device capable of operating the test facility for a long time while suppressing an increase in the amount of rotational energy that can be accumulated by the flywheel generator. .
- the flywheel power generation facility has a flywheel for storing rotational energy, and includes a flywheel generator that converts the rotational energy into electric power and supplies the electric power to the test facility.
- the power generation facility further includes a drive motor that rotates the flywheel and a power supply device that supplies power to the drive motor.
- the power generation facility further includes a detector that outputs a signal related to rotation of the flywheel, and a control device that controls the operation of the drive motor based on the output signal. Further, the control device operates the drive motor so that the drive motor gives an acceleration torque to the flywheel while the power supply to the test facility is stopped and during the power supply to the test facility. To control.
- FIG. 1 is a schematic diagram showing the configuration of the flywheel power generation facility of the first embodiment. The configuration of FIG. 1 will be described focusing on the differences from the configuration of FIG.
- the flywheel generator 1 is directly connected to the drive motor 2, and the drive motor 2 is a squirrel-cage induction motor.
- the power supply device 3 is a power supply device that supplies AC power having a commercial frequency. Power supply from the power supply device 3 to the drive motor 2 is performed via a control device 4 having a variable voltage variable frequency converter (VVVF).
- VVVF variable voltage variable frequency converter
- the detector 5 detects the rotational speed of the flywheel 1a, and the control device 4 controls the operation of the drive motor 2 based on the detected rotational speed.
- the control device 4 includes a speed setting unit 4a that sets a set value of the rotational speed of the flywheel 1a.
- the control device 4 controls the operation of the drive motor 2 with VVVF so that the rotational speed of the flywheel 1a detected by the detector 5 becomes equal to the set value. Thus, speed control of the flywheel 1a is performed.
- the power supply circuit breaker 3a is closed not only before or during the start of the plasma test by the fusion test facility 6 but also during the plasma test. That is, in the present embodiment, power is supplied from the power supply device 3 not only while the power supply to the fusion test facility 6 is stopped but also during the power supply to the fusion test facility 6.
- control device 4 continues to operate not only when the power supply to the fusion test facility 6 is stopped but also during the power supply to the fusion test facility 6, and the power supply from the power supply device 3 to the drive motor 2 is continued. Continue supplying. Therefore, in the present embodiment, the application of the acceleration torque from the drive motor 2 to the flywheel 1 a is continued during the power supply to the fusion test facility 6.
- control device 4 allows the drive motor 2 to apply acceleration torque to the flywheel 1 a while the power supply to the fusion test facility 6 is stopped and during the power supply to the fusion test facility 6.
- the operation of the drive motor 2 is controlled so as to be given.
- the output power of the drive motor 2 is about several percent of the output power of the flywheel generator 1. Therefore, during the initial few seconds when a large amount of power is required at the time of plasma ignition (see FIG. 2), the power generation in the flywheel generator 1 is generally based on the rotational energy accumulated in the flywheel 1a. Power generation. Therefore, at the time of plasma ignition, the rotational speed of the flywheel 1a rapidly decreases.
- FIG. 2 is a graph showing the operation of the flywheel power generation facility of the first embodiment.
- FIG. 2 shows a state in which high power P 1 is supplied to the fusion test facility 6 during plasma ignition T 1 to T 2 .
- VVVF is used for the control device 4. Therefore, in this embodiment, even if the rotational speed of the flywheel 1a changes suddenly, the power to the drive motor 2 is controlled by controlling the effective voltage and frequency of the AC power supply supplied to the drive motor 2 at a high speed by VVVF. Supply can be performed stably.
- the plasma maintenance period T 2 to T 3 (see FIG. 2) is a long period of several hundred seconds, the amount of energy required for the fusion test facility 6 is large, but as shown in FIG. power P 2 is small.
- the control device 4 of the present embodiment increases the rotational speed of the flywheel 1a toward the set value during the plasma maintenance period T 2 to T 3 , and after reaching the set value, the rotation of the flywheel 1a. Maintain speed.
- the energy consumed during the plasma maintenance period is supplied from the drive motor 2 so that the amount of energy stored in the flywheel 1a can be limited to the level of energy required during plasma ignition.
- the flywheel generator 1 is much smaller than the conventional case where the amount of energy consumed during the plasma maintenance period is also stored as rotational energy in the flywheel 1a.
- the flywheel generator 1 it is possible to construct the fusion test facility 6 that operates for a long time.
- the small flywheel generator 1 it is possible to shorten the assembly period at the site, reduce the construction cost, and reduce the cost of building facilities.
- the VVVF corresponding to the drive motor 2 may be increased while the existing flywheel generator 1 is diverted.
- the fusion test facility 6 such as JT60. Its economic effect and contribution to the development of fusion technology are very significant.
- flywheel power generation facility of the present embodiment may be applied to a test facility other than the fusion test facility 6.
- test facility include an accelerator for elementary particles.
- the detector 5 may output a signal other than the rotation speed as a signal related to the rotation of the flywheel 1a, and the control device 4 drives based on the output signal.
- the operation of the electric motor 2 may be controlled.
- An example of such a signal is a signal that holds the rotational acceleration of the flywheel 1a.
- FIG. 3 is a graph showing the operation of the flywheel power generation facility of the second embodiment.
- the set value of the speed setting unit 4 a during the power supply to the fusion test facility 6 is set to the upper limit value of the operating speed range of the flywheel generator 1.
- the lower limit value and the upper limit value of the operating speed range of the flywheel generator 1 are shown as Vmin and Vmax, respectively.
- a curve L 1 shown in FIG. 3 shows a change in the rotational speed of the flywheel generator 1 (flywheel 1a) in the first embodiment.
- the set value of the speed setting unit 4a during power supply to the fusion test facility 6 is set to a speed V between Vmin and Vmax. Therefore, the rotational speed of the flywheel generator 1 is maintained at the speed V during power supply to the fusion test facility 6.
- the control device 4 controls the operation of the drive motor 2 so that the rotation speed is returned to the speed V.
- the curve L 2 shows the change in the rotational speed of the flywheel electric generator 1 in the second embodiment.
- the set value of the speed setting unit 4a during power supply to the fusion test facility 6 is set to Vmax. Therefore, during the power supply to the fusion test facility 6, the control device 6 controls the operation of the drive motor 2 so as to maintain the rotational speed of the flywheel generator 1 at Vmax.
- a curve L 3 indicates a change in the rotational speed of the flywheel generator 1 in the third embodiment.
- the curve L 3 will be described in the third embodiment.
- the flywheel generator 1 by setting the set value of the speed setting unit 4a to Vmax, the flywheel generator 1 has a power corresponding to the difference between the power required for plasma maintenance and the maximum output power of the drive motor 2. Accelerated. As a result, the rotational speed of the flywheel generator 1 decelerated during the plasma ignition period is recovered to Vmax, and the maximum energy that can be stored is stored in the flywheel generator 1.
- control device 4 controls the operation of the drive motor 2 so that the rotational speed of the flywheel generator 1 returns to the upper limit value Vmax, and increases the rotational speed to Vmax.
- this embodiment is effective when, for example, the peak of the power consumption of the fusion test facility 6 also exists within the plasma maintenance period. The reason is that a large amount of power is required at such a peak, but in this embodiment, the maximum energy that can be stored is stored in the flywheel generator 1 before such a peak.
- the set value of the speed setting unit 4a during power supply to the fusion test facility 6 is set to the upper limit value Vmax of the operating speed range of the flywheel generator 1.
- the maximum capacity of the flywheel power generation facility can be exhibited during the power supply to the fusion test facility 6.
- the degree of freedom of operation of the long-time plasma maintenance operation test of the fusion test facility 6 can be improved.
- FIG. 4 is a schematic diagram showing the configuration of the flywheel power generation facility of the third embodiment.
- the power detector 7 is a detector for monitoring the power supplied from the power supply device 3 to the drive motor 2 via the control device 4.
- control device 4 includes an upper limit setting unit 4b that sets an upper limit of power supplied to the drive motor 2. And the control apparatus 4 controls operation
- the fusion test facility 6 requires a large amount of power during the plasma ignition period immediately after the start of operation, and the rotational speed of the flywheel generator 1 decreases rapidly.
- the set value of the rotation speed is set to the upper limit value of the operation speed range as in the second embodiment, the difference between the power required for plasma maintenance and the output power of the drive motor 2 increases rapidly, and the drive There is a possibility that the electric motor 2 becomes overpowered.
- the power supplied from the control device 4 to the drive motor 2 is monitored by the power detector 7.
- the control device 4 sets the power supplied to the drive motor 2 in the upper limit setting unit 4b so that the power supplied to the drive motor 2 does not exceed the rated value during the power supply to the fusion test facility 6. Limit to the upper limit.
- control device 4 of the present embodiment includes the upper limit setting unit 4b that sets the upper limit of the power supplied to the drive motor 2. And the control apparatus 4 controls operation
- FIG. 5 is a graph showing the operation of the flywheel power generation facility of the fourth embodiment.
- the setting value V of the speed setting unit 4a in the first embodiment and the setting value Vmax of the speed setting unit 4a in the second embodiment are constant values.
- control device 4 of the fourth embodiment includes a speed setting unit 4a that can set a setting value that changes every moment during the power supply to the fusion test facility 6. That is, in the fourth embodiment, the set value of the speed setting unit 4a can be changed according to time.
- the set value (speed command value) of the speed setting unit 4a that changes according to time is referred to as a speed pattern.
- the control device 4 performs a test operation required by the flywheel generator 1 from a required power pattern during the test operation of the fusion test facility 6 (an output power pattern for the flywheel generator 1). Calculate the accumulated energy (rotational energy) at each time point.
- control device 4 sets a setting value (speed pattern) that changes from moment to moment by using a graph, a table, a function, or the like so that the minimum rotation speed necessary to have the stored energy is obtained.
- the flywheel generator 1 can be operated at the minimum rotational speed at which the required power pattern of the fusion test facility 6 can be achieved.
- the control device 4 allows the flywheel generator 1 to have the necessary accumulated energy and the minimum rotational speed necessary to maintain the accumulated energy.
- the rotational speed is adjusted within the rotational speed change width ⁇ V.
- the rotational speed change width ⁇ V is a speed width from Vmax to Vmin.
- L 4 is drawn as a straight line parallel to the T axis except for immediately after T 2 and immediately before T 3, but in practice, it is often a curved line.
- control device 4 of the present embodiment includes the speed setting unit 4a that can set a setting value that changes according to time.
- the minimum rotational speed necessary to achieve the test pattern is traced. can do.
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Abstract
Description
図1は、第1実施形態のフライホイール発電設備の構成を示す概略図である。図1の構成については、図6の構成との相違点を中心に説明する。
次に、引き続き図1を参照し、第1実施形態のフライホイール発電設備の作用について説明する。
最後に、第1実施形態の効果について説明する。
図3は、第2実施形態のフライホイール発電設備の動作を示すグラフである。
次に、引き続き図3を参照し、第2実施形態のフライホイール発電設備の作用について説明する。
最後に、第2実施形態の効果について説明する。
図4は、第3実施形態のフライホイール発電設備の構成を示す概略図である。
次に、引き続き図4を参照し、第3実施形態のフライホイール発電設備の作用について説明する。
最後に、第3実施形態の効果について説明する。
図5は、第4実施形態のフライホイール発電設備の動作を示すグラフである。
次に、引き続き図5を参照し、第4実施形態のフライホイール発電設備の作用について説明する。
最後に、第4実施形態の効果について説明する。
2:駆動電動機、3:電源装置、3a:電源用遮断器、
4:制御装置、4a:速度設定部、4b:上限設定部、
5:検出器、6:核融合試験設備、7:電力検出器
Claims (8)
- 回転エネルギーを蓄積するためのフライホイールを有し、前記回転エネルギーを電力に変換して試験設備に供給するフライホイール発電機と、
前記フライホイールを回転させる駆動電動機と、
前記駆動電動機に電力を供給する電源装置と、
前記フライホイールの回転に関する信号を出力する検出器と、
出力された前記信号に基づいて、前記駆動電動機の動作を制御する制御装置とを備え、
前記制御装置は、前記駆動電動機が、前記試験設備への電力供給の停止中と、前記試験設備への電力供給中とに前記フライホイールに加速トルクを与えるように、前記駆動電動機の動作を制御する、フライホイール発電設備。 - 前記検出器は、前記フライホイールの回転速度を検出し、
前記制御装置は、前記回転速度に基づいて、前記駆動電動機の動作を制御する、請求項1に記載のフライホイール発電設備。 - 前記制御装置は、前記回転速度の設定値を設定する速度設定部を備え、
前記制御装置は、前記回転速度が前記設定値になるように、前記駆動電動機の動作を制御する、請求項2に記載のフライホイール発電設備。 - 前記回転速度の前記設定値は、前記回転速度の上限値である、請求項3に記載のフライホイール発電設備。
- 前記速度設定部は、時間に応じて変化する前記設定値を設定する、請求項3に記載のフライホイール発電設備。
- 前記速度設定部は、前記設定値を、前記試験設備の運転が可能な最低速度に設定する、請求項5に記載のフライホイール発電設備。
- 前記制御装置は、前記駆動電動機に供給する電力の上限を設定する上限設定部を備え、
前記制御装置は、前記駆動電動機に供給する電力が前記上限を超えないように、前記駆動電動機の動作を制御する、請求項1に記載のフライホイール発電設備。 - フライホイール発電機のフライホイールを回転させる駆動電動機が、前記フライホイール発電機から試験設備への電力供給の停止中と、前記フライホイール発電機から前記試験設備への電力供給中とに前記フライホイールに加速トルクを与えるように、前記駆動電動機の動作を制御する、フライホイール発電設備の運転方法。
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EP12830877.2A EP2608358B1 (en) | 2011-10-11 | 2012-09-14 | Flywheel power generating facility and operating method therefor |
KR1020137009310A KR101516507B1 (ko) | 2011-10-11 | 2012-09-14 | 플라이휠 발전 설비 및 그 운전방법 |
US13/798,565 US9300185B2 (en) | 2011-10-11 | 2013-03-13 | Flywheel power generating facility and method of operating same |
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JP2011224245A JP5740279B2 (ja) | 2011-10-11 | 2011-10-11 | フライホイール発電設備およびその運転方法 |
JP2011-224245 | 2011-10-11 |
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WO2023128387A1 (ko) * | 2021-12-31 | 2023-07-06 | 조출규 | 플라이 휠 동력 설비 및 이를 포함하는 발전 시스템 |
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JP6253394B2 (ja) * | 2013-12-19 | 2017-12-27 | 株式会社ナップワン | 動力装置及び発電装置 |
CN110199450B (zh) * | 2017-01-24 | 2024-01-02 | 住友电气工业株式会社 | 能量存储系统以及能够稳定利用可变电力的系统 |
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JPH09163639A (ja) * | 1995-12-06 | 1997-06-20 | Toshiba Corp | 電源装置及びレーザ発振装置 |
JP2001197688A (ja) * | 2000-01-14 | 2001-07-19 | Matsushita Electric Ind Co Ltd | 電力貯蔵装置 |
JP2002345152A (ja) * | 2001-05-15 | 2002-11-29 | Toshiba Corp | 可変速フライホイール発電機の制御方法および装置 |
JP2011239553A (ja) * | 2010-05-10 | 2011-11-24 | Hitachi Ltd | 電力供給システムの電力供給方法、及び、電力供給システム |
Cited By (2)
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CN110488113A (zh) * | 2019-07-10 | 2019-11-22 | 平高集团有限公司 | 一种飞轮储能系统试验测试平台 |
WO2023128387A1 (ko) * | 2021-12-31 | 2023-07-06 | 조출규 | 플라이 휠 동력 설비 및 이를 포함하는 발전 시스템 |
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EP2608358A1 (en) | 2013-06-26 |
JP2013085401A (ja) | 2013-05-09 |
EP2608358B1 (en) | 2017-03-01 |
EP2608358A4 (en) | 2015-04-22 |
US20130193788A1 (en) | 2013-08-01 |
US9300185B2 (en) | 2016-03-29 |
KR101516507B1 (ko) | 2015-05-04 |
JP5740279B2 (ja) | 2015-06-24 |
KR20130088154A (ko) | 2013-08-07 |
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