JPWO2012063800A1 - 電力系統制御システム及び方法 - Google Patents
電力系統制御システム及び方法 Download PDFInfo
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- 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
Abstract
Description
前記電力系統に対する前記分散型電源の連系点の電圧を測定する電圧計測部と、
前記連系点における電圧が所定の適正範囲を逸脱したとき、該電圧を前記適正範囲に戻すための電圧調整量を、予め設定した所定のグループ内の全ての前記分散型電源に均等に割り当てる集中制御装置と、
前記集中制御装置から割り当てられた前記電圧調整量にしたがって前記分散型電源に前記連系点における電圧を調整させる分散処理装置と、
を有する。
前記連系点における電圧が所定の適正範囲を逸脱したとき、該電圧を前記適正範囲に戻すための電圧調整量を、予め設定した所定のグループに所属する全ての前記分散型電源に均等に割り当て、
前記割り当てられた前記電圧調整量にしたがって前記分散型電源に前記連系点における電圧を調整させる方法である。
Claims (10)
- 電力系統に接続される分散型電源と、
前記電力系統に対する前記分散型電源の連系点の電圧を測定する電圧計測部と、
前記連系点における電圧が所定の適正範囲を逸脱したとき、該電圧を前記適正範囲に戻すための電圧調整量を、予め設定した所定のグループ内の全ての前記分散型電源に均等に割り当てる集中制御装置と、
前記集中制御装置から割り当てられた前記電圧調整量にしたがって前記分散型電源に前記連系点における電圧を調整させる分散処理装置と、
を有する電力系統制御システム。 - 前記分散処理装置は、
前記分散型電源から前記電力系統に逆潮流させる無効電力または有効電力により前記連系点における電圧を調整する請求項1記載の電力系統制御システム。 - 電力消費量が制御可能な可制御負荷を備え、
前記分散処理装置は、
前記分散型電源から前記電力系統に逆潮流させる進相無効電力、前記分散型電源の発電量、または前記可制御負荷の電力消費量で、前記連系点における電圧を調整する請求項2記載の電力系統制御システム。 - 前記分散処理装置は、
前記連系点における電圧をV、前記有効電力量をP、前記無効電力量をQとしたとき、前記無効電力による電圧調整量と前記有効電力による電圧調整量との比を、1/(dV/dP):1/(dV/dQ)とする請求項1から3のいずれか1項記載の電力系統制御システム。 - 前記グループは、
同一の柱上変圧器に接続された、前記分散型電源、前記電圧計測部及び前記分散処理装置を備えた需要家で形成され、
前記集中制御装置は、
前記電圧調整量を、前記電圧が前記適正範囲を逸脱した連系点の分散型電源を含むグループ内の全ての前記分散型電源に均等に割り当てる請求項1から4のいずれか1項記載の電力系統制御システム。 - 電力系統に接続される分散型電源と、前記電力系統に対する前記分散型電源の連系点の電圧を測定する電圧計測部とを備えた電力系統制御システムの電力制御方法であって、
前記連系点における電圧が所定の適正範囲を逸脱したとき、該電圧を前記適正範囲に戻すための電圧調整量を、予め設定した所定のグループに所属する全ての前記分散型電源に均等に割り当て、
前記割り当てられた前記電圧調整量にしたがって前記分散型電源に前記連系点における電圧を調整させる電力系統制御方法。 - 前記分散型電源から前記電力系統に逆潮流させる無効電力または有効電力により前記連系点における電圧を調整する請求項6記載の電力系統制御方法。
- 前記電力系統制御システムに電力消費量が制御可能な可制御負荷を備え、
前記分散型電源から前記電力系統に逆潮流させる進相無効電力、前記分散型電源の発電量、または前記可制御負荷の電力消費量で、前記連系点における電圧を調整する請求項7記載の電力系統制御方法。 - 前記連系点における電圧をV、前記有効電力量をP、前記無効電力量をQとしたとき、前記無効電力による電圧調整量と前記有効電力による電圧調整量との比を、1/(dV/dP):1/(dV/dQ)とする請求項6から8のいずれか1項記載の電力系統制御方法。
- 前記グループは、
同一の柱上変圧器に接続された、前記分散型電源、前記電圧計測部及び前記分散処理装置を備えた需要家で形成され、
前記電圧調整量を、前記電圧が前記適正範囲を逸脱した連系点の分散型電源を含むグループ内の全ての前記分散型電源に均等に割り当てる請求項6から9のいずれか1項記載の電力系統制御方法。
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US20130184894A1 (en) | 2013-07-18 |
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