JPWO2020172135A5 - - Google Patents
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- JPWO2020172135A5 JPWO2020172135A5 JP2021548673A JP2021548673A JPWO2020172135A5 JP WO2020172135 A5 JPWO2020172135 A5 JP WO2020172135A5 JP 2021548673 A JP2021548673 A JP 2021548673A JP 2021548673 A JP2021548673 A JP 2021548673A JP WO2020172135 A5 JPWO2020172135 A5 JP WO2020172135A5
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Claims (21)
それぞれが入力端及び出力端を有し、それぞれが前記入力端で前記複数のパワーモジュールのうちの１つのパワーモジュールに電気的に接続される複数の直流（ＤＣ）／ＤＣコンバータ；
前記複数のＤＣ／ＤＣコンバータに前記出力端で並列に電気的に接続され、負荷に電気的に接続可能なＤＣパワーバス；
それぞれがＤＣ端及びＡＣ端を有し、それぞれが前記ＤＣ端で前記複数のパワーモジュールのうちの１つのパワーモジュールに電気的に接続される複数のＤＣ／交流（ＡＣ）インバータ；
前記複数のＤＣ／ＡＣインバータに前記ＡＣ端で並列に電気的に接続される整流パス；
ＡＣ端及びＤＣ端を有し、前記ＡＣ端で前記整流パスに、前記ＤＣ端で前記ＤＣパワーバスに電気的に接続されるＡＣ／ＤＣ整流器；及び
前記複数のＤＣ／ＤＣコンバータ及び前記複数のＤＣ／ＡＣインバータに通信可能に接続される制御装置であって、制御装置の実行可能な命令を以て、前記制御装置に以下のことをさせるように構成される制御装置、を含むシステム：
第１の電力を、電力閾値量に至るまで、前記複数のＤＣ／ＤＣコンバータ及び前記ＤＣパワーバスを介して前記複数のパワーモジュールから前記負荷に提供し；
電気ユーティリティからの電力が利用可能かどうかを判定し；及び
前記電気ユーティリティからの前記電力が利用可能であるとの判定に応じて、前記複数のＤＣ／ＡＣインバータを介して前記整流パスに前記複数のパワーモジュールから第２の電力を提供し、前記第２の電力は、前記電力閾値量を超える、前記複数のパワーモジュールによって生成された電力を含む。 a plurality of power modules each containing at least one fuel cell;
a plurality of direct current (DC)/DC converters each having an input end and an output end, each electrically connected at the input end to one power module of the plurality of power modules;
a DC power bus electrically connected to the plurality of DC/DC converters in parallel at the output end and electrically connectable to a load;
a plurality of DC/alternating current (AC) inverters each having a DC end and an AC end, each electrically connected at the DC end to one power module of the plurality of power modules;
a rectification path electrically connected in parallel at the AC end to the plurality of DC/AC inverters;
an AC/DC rectifier having an AC end and a DC end electrically connected to the rectification path at the AC end and to the DC power bus at the DC end; and the plurality of DC/DC converters and the plurality of A system comprising a controller communicatively coupled to a DC/AC inverter, the controller configured, with controller executable instructions, to cause the controller to:
providing a first power from the plurality of power modules to the load through the plurality of DC/DC converters and the DC power bus up to a power threshold amount;
determining whether power from an electric utility is available; and in response to determining that the power from the electric utility is available, through the plurality of DC/AC inverters to the rectification path. of power modules, said second power comprising power generated by said plurality of power modules exceeding said power threshold amount.
前記負荷の負荷需要が前記複数のパワーモジュールから出力される前記第１及び第２の電力未満かどうかを判定し；及び
前記負荷の前記負荷需要が前記複数のパワーモジュールから出力される前記第１及び第２の電力未満でない場合は、前記第２の電力の少なくとも一部を、前記負荷に前記整流パスを介して提供する。 2. The system of claim 1, wherein the controller is configured, with controller executable instructions, to further cause the controller to:
determining whether the load demand of the load is less than the first and second power output from the plurality of power modules; and the load demand of the load is the first power output from the plurality of power modules. and, if not less than a second power, providing at least a portion of said second power to said load via said rectification path.
前記双方向ＤＣ／ＡＣインバータに前記第２の端部で電気的に接続される電力貯蔵装置をさらに含み、
前記制御装置が、前記双方向ＤＣ／ＡＣインバータに通信可能に接続され、制御装置の実行可能な命令を以て、前記制御装置にさらに以下のことをさせるように構成される、請求項２に記載のシステム：
前記電力貯蔵装置の充電が出力閾値を超えるかどうかを判定し；
前記電力貯蔵装置の充電が前記出力閾値を超えない場合、前記電気ユーティリティから前記負荷へ前記整流パスを介して電力を提供し；及び
前記電力貯蔵装置の充電が前記出力閾値を超える場合、前記電力貯蔵装置から前記負荷へ前記整流パスを介して電力を提供する。 a bidirectional DC/AC inverter having a first end and a second end and electrically connected to the rectification path at the first end; further comprising a power storage device electrically connected at two ends;
3. The controller of claim 2, wherein the controller is communicatively coupled to the bi-directional DC/AC inverter and configured with controller executable instructions to further cause the controller to: system:
determining whether the charge of the power storage device exceeds an output threshold;
providing power from the electric utility to the load through the rectification path if the power storage device charge does not exceed the output threshold; and if the power storage device charge exceeds the output threshold, the power. Power is provided from a storage device to the load through the rectification path.
前記負荷の前記負荷需要が前記複数のパワーモジュールから出力される前記第１及び第２の電力未満の場合には、前記電力貯蔵装置の充電が充電閾値を超えるかどうかを判定し；
前記電力貯蔵装置の充電が前記充電閾値を超える場合には、前記整流パス上の前記第２の電力を用いて前記充電貯蔵装置を充電し；及び
前記電力貯蔵装置の充電が前記充電閾値を超えない場合には、残っている第２の電力を、前記整流パスを介して前記電気ユーティリティに提供する。 4. The system of claim 3, wherein the controller is configured with the controller executable instructions to further cause the controller to:
determining whether charging of the power storage device exceeds a charging threshold when the load demand of the load is less than the first and second power output from the plurality of power modules;
charging the charge storage device with the second power on the rectification path if the charge of the power storage device exceeds the charge threshold; and the charge of the power storage device exceeds the charge threshold. If not, the remaining second power is provided to the electrical utility through the rectification path.
前記負荷の負荷需要が前記電力閾値量未満かどうかを判定し；
前記負荷需要が前記電力閾値量未満の場合には、前記整流パスに前記負荷需要を超える前記第２の電力を提供し、前記電力貯蔵装置の充電が充電閾値を超えるかどうかを判定し、前記電力貯蔵装置の充電が前記充電閾値を超える場合には、前記第２の電力を用いて前記充電貯蔵装置を充電し、前記電力貯蔵装置の充電が前記充電閾値を超えない場合には、残っている第２の電力を、前記整流パスを介して前記電気ユーティリティに提供し；
前記負荷需要が前記電力閾値量未満でない場合には、前記整流パス上の前記第２の電力の少なくとも一部を、前記負荷に提供する。 2. The system of claim 1, wherein the controller is configured, with controller executable instructions, to further cause the controller to:
determining if the load demand of the load is less than the power threshold amount;
if the load demand is less than the power threshold amount, providing the rectification path with the second power exceeding the load demand; determining whether the charge of the power storage device exceeds the charge threshold; if the charge of the power storage device exceeds the charge threshold, the second power is used to charge the charge storage device; if the charge of the power storage device does not exceed the charge threshold, remaining providing second electrical power to the electrical utility through the rectification path;
If the load demand is not less than the power threshold amount, then at least a portion of the second power on the rectification path is provided to the load.
第１の端部及び第２の端部を有する回路遮断器であって、前記第１の端部で前記複数のＤＣ／ＡＣインバータに電気的に接続され、前記第２の端部で前記整流パスに電気的に接続される前記回路遮断器をさらに含み、
前記制御装置が、前記静的インタラプタと前記回路遮断器とに通信可能に接続され、制御装置の実行可能な命令を以て、前記制御装置にさらに以下のことをさせるように構成される、請求項１に記載のシステム：
前記電気ユーティリティからの前記電力が利用可能でないとの判定に応じて：
前記回路遮断器を開くことによって、前記整流パスから前記複数のＤＣ／ＡＣインバータを電気的に切断し；及び
電力が前記静的インタラプタを通って流れるのを防ぐことによって、前記電気ユーティリティから前記システムを電気的に切断する。 A static interrupter having a first end and a second end, electrically connected at the first end to the rectification path and at the second end to the electrical utility. and a circuit breaker having a first end and a second end, electrically connected at the first end to the plurality of DC/AC inverters. , further comprising said circuit breaker electrically connected to said rectification path at said second end;
2. The controller is communicatively connected to the static interrupter and the circuit breaker and is configured, with controller executable instructions, to further cause the controller to: The system described in:
Upon determining that the power from the electrical utility is not available:
electrically disconnecting the plurality of DC/AC inverters from the rectification path by opening the circuit breaker; and from the electrical utility by preventing power from flowing through the static interrupter. is electrically disconnected.
前記双方向ＤＣ／ＡＣインバータに前記第２の端部で電気的に接続される電力貯蔵装置をさらに含み、
前記制御装置が、前記双方向ＤＣ／ＡＣインバータ及び前記ＡＣ／ＤＣ整流器に通信可能に接続され、制御装置の実行可能な命令を以て、前記制御装置にさらに以下のことをさせるように構成される、請求項６に記載のシステム：
前記負荷の負荷需要が前記閾値電力を超えるかどうかを判定し；及び
前記負荷の前記負荷需要が前記閾値電力を超えるとの判定に応じて、前記電力貯蔵装置から前記負荷に前記双方向ＤＣ／ＡＣインバータ、前記整流パス、及び前記ＡＣ／ＤＣ整流器を介して第３の電力を提供する。 a bidirectional DC/AC inverter having a first end and a second end and electrically connected to the rectification path at the first end; further comprising a power storage device electrically connected at two ends;
the controller is communicatively coupled to the bi-directional DC/AC inverter and the AC/DC rectifier and is configured, with controller executable instructions, to further cause the controller to: A system according to claim 6:
determining whether the load demand of the load exceeds the threshold power; and in response to determining that the load demand of the load exceeds the threshold power, from the power storage device to the bidirectional DC/ A third power is provided through the AC inverter, the rectification path, and the AC/DC rectifier.
前記負荷に提供される前記第３の電力が安定しているかどうか判定し；及び
前記負荷に提供される前記第３の電力が安定しているとの判定に応じて：
前記回路遮断器を閉じることによって前記整流パスに前記複数のＤＣ／ＡＣインバータを電気的に接続し；及び
前記整流パス及び前記ＡＣ／ＤＣ整流器を介して前記負荷に前記第２の電力の少なくとも第１の部分を提供する。 8. The system of claim 7, wherein the controller is configured with the controller executable instructions to further cause the controller to:
determining whether the third power provided to the load is stable; and upon determining that the third power provided to the load is stable:
electrically connecting the plurality of DC/AC inverters to the rectification path by closing the circuit breaker; and at least a first portion of the second power to the load through the rectification path and the AC/DC rectifier. Provide a portion of 1.
前記負荷の前記負荷需要が前記第２の電力によって満たされるかどうかを判定し；
前記負荷の前記負荷需要が前記第２の電力によって満たされるとの判定に応じて：
前記負荷への前記第３の電力の提供を停止し；及び
前記負荷に前記整流パス上の前記第２の電力を提供し；及び
前記負荷の前記負荷需要が前記第２の電力によって満たされないとの判定に応じて、前記負荷に、前記整流パス上の前記第２及び前記第３の電力を提供する。 9. The system of claim 8, wherein the controller is configured with the controller executable instructions to further cause the controller to:
determining whether the load demand of the load is met by the second power;
Upon determining that the load demand of the load is met by the second power:
stop providing the third power to the load; and provide the second power on the rectification path to the load; and if the load demand of the load is not met by the second power. providing the second and third powers on the rectification path to the load in response to the determination of .
第１の端部及び第２の端部を有し、前記第１の回路遮断器と並列に前記第１の端部で前記整流パスに電気的に接続され、前記第２の端部で発電機に電気的に接続可能な第２の回路遮断器；
同時に前記第１の回路遮断器を開けて前記第２の回路遮断器を閉じるように構成されるトラップキーインターロック；
前記複数のＤＣ／ＤＣコンバータと前記ＤＣパワーバスとの間に電気的に接続され、前記ＤＣ／ＤＣコンバータへのフィードバックを阻止するように構成される第１の複数のダイオード；及び
前記ＡＣ／ＤＣ整流器と前記ＤＣパワーバスとの間に電気的に接続され、前記ＡＣ／ＤＣ整流器へのフィードバックを阻止するように構成される第２の複数のダイオード
をさらに含む、請求項１に記載のシステム。 a second end having a first end and a second end electrically connected to the rectification path at the first end and electrically connectable to the electric utility at the second end; 1 circuit breaker;
having a first end and a second end, electrically connected to the rectification path at the first end in parallel with the first circuit breaker, and generating electricity at the second end; a second circuit breaker electrically connectable to the machine;
a trapped key interlock configured to simultaneously open said first circuit breaker and close said second circuit breaker;
a first plurality of diodes electrically connected between the plurality of DC/DC converters and the DC power bus and configured to block feedback to the DC/DC converters; and the AC/DC converters. 2. The system of claim 1, further comprising a second plurality of diodes electrically connected between a rectifier and the DC power bus and configured to block feedback to the AC/DC rectifier.
電気ユーティリティからの電力が利用可能かどうかを判定するステップ；及び
前記電気ユーティリティからの前記電力が利用可能であるとの判定に応じて、前記少なくとも１つのパワーモジュールから前記整流パスへ複数のＤＣ／ＡＣインバータを介して第２の電力を提供するステップであって、前記第２の電力は前記電力閾値量を超える、前記少なくとも１つのパワーモジュールによって生成された電力を含むステップ
を含む、発電システムの運転方法。 providing a first power to a load from at least one power module through a plurality of DC/DC converters and a DC power bus up to a power threshold amount;
determining if power from an electric utility is available; and in response to determining that the power from the electric utility is available, a plurality of DC/ providing second power through an AC inverter, said second power comprising power generated by said at least one power module exceeding said power threshold amount. how to drive.
前記負荷の前記負荷需要が前記少なくとも１つのパワーモジュールから出力される前記第１及び第２の電力未満でない場合には、前記第２の電力の少なくとも一部を前記負荷に前記整流パスを介して提供するステップ
をさらに含む、請求項１１に記載の方法。 determining whether the load demand of the load is less than the first and second power output from the at least one power module; and the load demand of the load is output from the at least one power module. 12. The method of claim 11, further comprising providing at least a portion of said second power to said load via said rectification path if not less than said first and second powers.
前記電力貯蔵装置の充電が前記出力閾値を超えない場合、電力を前記電気ユーティリティから前記負荷に前記整流パスを介して提供するステップ；及び
前記電力貯蔵装置の充電が前記出力閾値を超える場合、電力を前記電力貯蔵装置から前記負荷に前記整流パスを介して提供するステップ
をさらに含む、請求項１２に記載の方法。 determining whether the charge of the power storage device exceeds the output threshold;
providing power from the electrical utility to the load through the rectification path if the power storage device charge does not exceed the output threshold; and if the power storage device charge exceeds the output threshold, power from the power storage device to the load via the rectification path.
前記電力貯蔵装置の充電が前記充電閾値を超える場合には、前記整流パス上の前記第２の電力を用いて前記充電貯蔵装置を充電するステップ；及び
前記電力貯蔵装置の充電が前記充電閾値を超えない場合には、残っている第２の電力を前記電気ユーティリティに前記整流パスを介して提供するステップ
をさらに含む、請求項１３に記載の方法。 determining whether charging of the power storage device exceeds a charging threshold when the load demand of the load is less than the first and second power output from the at least one power module;
charging the charge storage device with the second power on the rectification path if the charge of the power storage device exceeds the charge threshold; and 14. The method of claim 13, further comprising, if not exceeding, providing remaining second power to the electrical utility via the rectification path.
前記負荷需要が前記電力閾値量未満の場合には、前記負荷需要を超える前記第２の電力を前記整流パスに提供し、前記電力貯蔵装置の充電が充電閾値を超えるかどうかを判定し、前記電力貯蔵装置の充電が前記充電閾値を超える場合には、前記第２の電力を用いて前記充電貯蔵装置を充電し、及び、前記電力貯蔵装置の充電が前記充電閾値を超えない場合には、残っている第２の電力を前記電気ユーティリティに前記整流パスを介して提供するステップ；
前記負荷需要が前記電力閾値量未満である場合には、前記整流パス上の前記第２の電力の少なくとも一部を前記負荷に提供するステップ
をさらに含む、請求項１１に記載の方法。 determining whether the load demand of the load is less than the power threshold amount;
providing the second power in excess of the load demand to the rectification path if the load demand is less than the power threshold amount; determining whether the charge of the power storage device exceeds the charge threshold; charging the charging storage device with the second power if the charging of the power storage device exceeds the charging threshold; and if the charging of the power storage device does not exceed the charging threshold, providing remaining second power to the electric utility through the rectification path;
12. The method of claim 11, further comprising providing at least a portion of said second power on said rectification path to said load if said load demand is less than said power threshold amount.
回路遮断器を開けることによって、複数のＤＣ／ＡＣインバータを前記整流パスから電気的に切断するステップ；及び
電力が静的インタラプタを通って流れることを阻止することによって、前記電気ユーティリティから前記発電システムを電気的に切断するステップ
をさらに含む、請求項１１に記載の方法。 Upon determining that the power from the electrical utility is not available:
electrically disconnecting a plurality of DC/AC inverters from the rectification paths by opening circuit breakers; 12. The method of claim 11, further comprising electrically disconnecting the .
前記負荷の前記負荷需要が前記閾値電力を超えるとの判定に応じて、双方向ＤＣ／ＡＣインバータ、前記整流パス、及びＡＣ／ＤＣ整流器を介して、電力貯蔵装置から前記負荷に第３の電力を提供するステップ
をさらに含む、請求項１６に記載の方法。 determining whether the load demand of the load exceeds the threshold power; and upon determining that the load demand of the load exceeds the threshold power, a bidirectional DC/AC inverter, the rectification path, and 17. The method of claim 16, further comprising providing third power from a power storage device to the load via an AC/DC rectifier.
前記負荷に提供される前記第３の電力が安定しているとの判定に応じて：
前記回路遮断器を閉じることによって、前記複数のＤＣ／ＡＣインバータを前記整流パスに電気的に接続するステップ；及び
少なくとも前記第２の電力の第１の部分を、前記整流パス及び前記ＡＣ／ＤＣ整流器を介して前記負荷に提供するステップ
をさらに含む、請求項１７に記載の方法。 determining whether the third power provided to the load is stable; and upon determining that the third power provided to the load is stable:
electrically connecting the plurality of DC/AC inverters to the rectification path by closing the circuit breaker; and transferring at least a first portion of the second power to the rectification path and the AC/DC 18. The method of claim 17, further comprising providing the load through a rectifier.
前記負荷の前記負荷需要が前記第２の電力によって満たされるとの判定に応じて：
前記第３の電力を前記負荷に提供することを停止するステップ；及び
前記整流パス上の前記第２の電力を前記負荷に提供するステップ；及び
前記負荷の前記負荷需要が前記第２の電力によって満たされないとの判定に応じて、前記整流パス上の前記第２及び前記第３の電力を前記負荷に提供するステップ
をさらに含む、請求項１８に記載の方法。 determining whether the load demand of the load can be met by the second power;
Upon determining that the load demand of the load is met by the second power:
ceasing to provide said third power to said load; and providing said second power on said rectification path to said load; and said load demand of said load being driven by said second power. 19. The method of claim 18, further comprising providing said second and said third power on said rectification path to said load in response to a determination of non-satisfaction.
それぞれが入力端及び出力端を有し、それぞれが前記入力端で前記複数のパワーモジュールのうちの１つのパワーモジュールに電気的に接続される複数の直流（ＤＣ）／ＤＣコンバータ；
前記複数のＤＣ／ＤＣコンバータに前記出力端で並列に電気的に接続され、負荷に電気的に接続可能なＤＣパワーバス；
それぞれがＤＣ端及びＡＣ端を有し、それぞれが前記ＤＣ端で前記複数のパワーモジュールのうちの１つのパワーモジュールに電気的に接続される複数のＤＣ／交流（ＡＣ）インバータ；
前記複数のＤＣ／ＡＣインバータに前記ＡＣ端で並列に電気的に接続されるＡＣバス；
ＤＣ端及びＡＣ端を有し、前記ＡＣ端で前記ＡＣバスに電気的に接続される双方向ＤＣ／ＡＣインバータ；
前記双方向ＤＣ／ＡＣインバータに前記ＤＣ端で電気的に接続される電力貯蔵装置；及び
ＡＣ端及びＤＣ端を有し、前記ＡＣ端で前記ＡＣバスに、前記ＤＣ端で前記ＤＣパワーバスに電気的に接続されるＡＣ／ＤＣ整流器
を含む燃料電池システム。 a plurality of power modules each containing at least one fuel cell;
a plurality of direct current (DC)/DC converters each having an input end and an output end, each electrically connected at the input end to one power module of the plurality of power modules;
a DC power bus electrically connected to the plurality of DC/DC converters in parallel at the output end and electrically connectable to a load;
a plurality of DC/alternating current (AC) inverters each having a DC end and an AC end, each electrically connected at the DC end to one power module of the plurality of power modules;
an AC bus electrically connected in parallel at the AC end to the plurality of DC/AC inverters;
a bidirectional DC/AC inverter having a DC end and an AC end, electrically connected to the AC bus at the AC end;
a power storage device electrically connected at said DC end to said bidirectional DC/AC inverter; and having an AC end and a DC end, said AC end to said AC bus and said DC end to said DC power bus. A fuel cell system including an electrically connected AC/DC rectifier.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| US201962808127P | 2019-02-20 | 2019-02-20 | |
| US62/808,127 | 2019-02-20 | ||
| PCT/US2020/018589 WO2020172135A1 (en) | 2019-02-20 | 2020-02-18 | Hybrid dc power installation for data center load |
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| JP2022523187A JP2022523187A (en) | 2022-04-21 |
| JPWO2020172135A5 true JPWO2020172135A5 (en) | 2023-02-21 |
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| US (1) | US11355955B2 (en) |
| EP (1) | EP3928408A4 (en) |
| JP (1) | JP7354267B2 (en) |
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