JP7487720B2 - 非接触給電設備、非接触給電設備のインピーダンス調整方法、及び非接触給電設備のインピーダンス調整プログラム - Google Patents
非接触給電設備、非接触給電設備のインピーダンス調整方法、及び非接触給電設備のインピーダンス調整プログラム Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 191
- PWPJGUXAGUPAHP-UHFFFAOYSA-N lufenuron Chemical compound C1=C(Cl)C(OC(F)(F)C(C(F)(F)F)F)=CC(Cl)=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F PWPJGUXAGUPAHP-UHFFFAOYSA-N 0.000 title 1
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- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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Description
=Rt+j(Xt-(1/(2πfa・CA))) ・・・(5)
jLt = V3/(2πfa・It) ・・・(7)
Zr=Rt+j2πfa・Lt-j(1/2πfa・CA)
=Rt+j(2πfa・Lt-(1/2πfa・CA))・・・(8)
以下、その他の実施形態について説明する。尚、以下に説明する各実施形態の構成は、それぞれ単独で適用されるものに限られず、矛盾が生じない限り、他の実施形態の構成と組み合わせて適用することも可能である。
以下、上記において説明した非接触給電設備、非接触給電設備のインピーダンス調整方法、及び非接触給電設備のインピーダンス調整プログラムの概要について簡単に説明する。
前記調整システムは、前記調整処理の実行後、前記給電線の電圧と前記給電線に流れる電流とに基づいて前記給電線に供給している電力である供給電力を取得し、当該供給電力に対して前記電源回路の出力電圧が適正範囲内であるか否かを判断する確認処理を実行し、前記確認処理により前記適正範囲内でないと判定した場合には、前記第1処理、前記第2処理、及び、前記調整処理を再度実行すると好適である。
3 :物品搬送車(移動体)
4 :受電装置
5 :給電回路
11 :給電線
11N :隣接給電線
11T :対象給電線
21 :電源制御部
22 :電源回路
29 :調整指令受付部
30 :キャパシタアレイ(調整部)
50 :電源装置
50N :隣接電源装置
50T :対象電源装置
70 :調整システム
100 :非接触給電設備
V1 :第1電圧値
V2 :第2電圧値
V3 :差分電圧(第1電圧値と第2電圧値との差分)
Xt :給電回路リアクタンス
Zr :規定インピーダンス
Zt :給電回路インピーダンス
#10 :第1処理
#20 :第2処理
#30 :調整処理
#40 :確認処理
Claims (7)
- 受電装置を備えた移動体の移動経路に沿って並ぶように配置された複数の給電線と、
複数の前記給電線のそれぞれに接続され、前記給電線に交流電流を供給する電源装置と、を備え、
前記受電装置に非接触で電力を供給する非接触給電設備であって、
複数の前記電源装置のそれぞれは、
前記給電線に前記交流電流を出力する電源回路と、
前記電源回路を制御する電源制御部と、
前記給電線及び前記電源装置を含む給電回路のインダクタンス及びキャパシタンスの少なくとも一方である回路特性を調整する調整部と、を備え、
複数の前記電源装置に係る前記調整部の調整を行う調整システムを更に備え、
複数の前記電源装置のうち、調整対象とする1つの前記電源装置を対象電源装置とし、前記対象電源装置に接続された前記給電線を対象給電線とし、前記対象給電線に隣接して配置された他の前記給電線を隣接給電線とし、前記隣接給電線に接続された前記電源装置を隣接電源装置とし、前記移動体に電力を供給する場合の前記電源装置の動作を通常給電動作として、
前記調整システムは、少なくとも1つの前記隣接電源装置に前記通常給電動作を行わせた状態で、前記対象電源装置に第1処理と第2処理とを実行させ、
前記第1処理は、前記対象電源装置の前記電源回路が前記交流電流を出力しない状態で前記対象給電線の電圧である第1電圧値を測定する処理であり、
前記第2処理は、前記対象電源装置の前記電源回路が前記交流電流を出力している状態で前記対象給電線の電圧である第2電圧値を測定する処理であり、
前記調整システムは、前記第1処理及び前記第2処理の実行後、前記第1電圧値と前記第2電圧値との差分に基づいて前記対象電源装置の前記給電回路のリアクタンスである給電回路リアクタンスを求め、当該給電回路リアクタンスに応じて、前記対象電源装置の前記給電回路のインピーダンスである給電回路インピーダンスが予め定められた規定インピーダンスとなるように、前記調整部により前記回路特性を調整する調整処理を実行する、非接触給電設備。 - 前記電源装置は、当該電源装置が接続された前記給電線に予め規定された規定値の電流が流れるように前記電源制御部により前記電源回路の出力電圧が制御され、
前記調整システムは、前記調整処理の実行後、前記給電線の電圧と前記給電線に流れる電流とに基づいて前記給電線に供給している電力である供給電力を取得し、当該供給電力に対して前記電源回路の出力電圧が適正範囲内であるか否かを判断する確認処理を実行し、前記確認処理により前記適正範囲内でないと判定した場合には、前記第1処理、前記第2処理、及び、前記調整処理を再度実行する、請求項1に記載の非接触給電設備。 - 前記調整システムは、全ての前記給電線及び前記電源装置の組についての前記第1処理、前記第2処理及び前記調整処理が完了した後、それぞれの前記給電線及び前記電源装置の組についての前記確認処理を実行する、請求項2に記載の非接触給電設備。
- 前記調整システムは、前記調整処理を予め規定された規定回数行っても前記確認処理で適正範囲内とならない場合、前記第1処理により前記第1電圧値を測定する期間である第1サンプリング期間と、前記第2処理により前記第2電圧値を測定する期間である第2サンプリング期間と、の少なくとも一方を長くするように変更する、請求項2又は3に記載の非接触給電設備。
- 複数の前記電源装置のそれぞれは、当該電源装置における前記給電回路インピーダンスの調整指令を受け付ける調整指令受付部を備え、
前記調整システムは、前記調整指令受付部により前記調整指令を受け付けた場合には、当該調整指令を受け付けた前記調整指令受付部を備える前記電源装置を前記対象電源装置として、前記第1処理、前記第2処理、及び、前記調整処理を実行する、請求項1から4の何れか一項に記載の非接触給電設備。 - 受電装置を備えた移動体の移動経路に沿って並ぶように配置された複数の給電線と、
複数の前記給電線のそれぞれに接続され、前記給電線に交流電流を供給する電源装置と、を備え、前記受電装置に非接触で電力を供給する非接触給電設備において、前記給電線及び前記電源装置を含む給電回路のインピーダンスである給電回路インピーダンスを調整する、非接触給電設備のインピーダンス調整方法であって、
複数の前記電源装置のそれぞれは、
前記給電線に前記交流電流を出力する電源回路と、
前記電源回路を制御する電源制御部と、
前記給電回路のインダクタンス及びキャパシタンスの少なくとも一方である回路特性を調整する調整部と、を備え、
複数の前記電源装置のうち、調整対象とする1つの前記電源装置を対象電源装置とし、前記対象電源装置に接続された前記給電線を対象給電線とし、前記対象給電線に隣接して配置された他の前記給電線を隣接給電線とし、前記隣接給電線に接続された前記電源装置を隣接電源装置とし、前記移動体に電力を供給する場合の前記電源装置の動作を通常給電動作として、
少なくとも1つの前記隣接電源装置に前記通常給電動作を行わせた状態、且つ、前記対象電源装置の前記電源回路が前記交流電流を出力しない状態で前記対象給電線の電圧である第1電圧値を測定する第1処理と、
少なくとも1つの前記隣接電源装置に前記通常給電動作を行わせた状態、且つ、前記対象電源装置の前記電源回路が前記交流電流を出力している状態で前記対象給電線の電圧である第2電圧値を測定する第2処理と、
前記第1処理及び前記第2処理の実行後、前記第1電圧値と前記第2電圧値との差分に基づいて前記対象電源装置の前記給電回路のリアクタンスである給電回路リアクタンスを求め、当該給電回路リアクタンスに応じて、前記対象電源装置の前記給電回路の前記給電回路インピーダンスが予め定められた規定インピーダンスとなるように、前記調整部により前記回路特性を調整する調整処理と、を備える、非接触給電設備のインピーダンス調整方法。 - 受電装置を備えた移動体の移動経路に沿って並ぶように配置された複数の給電線と、
複数の前記給電線のそれぞれに接続され、前記給電線に交流電流を供給する電源装置と、を備え、前記受電装置に非接触で電力を供給する非接触給電設備において、前記給電線及び前記電源装置を含む給電回路のインピーダンスである給電回路インピーダンスを調整する機能をコンピュータに実現させる、非接触給電設備のインピーダンス調整プログラムであって、
複数の前記電源装置のそれぞれは、
前記給電線に前記交流電流を出力する電源回路と、
前記電源回路を制御する電源制御部と、
前記給電線及び前記電源装置を含む前記給電回路のインダクタンス及びキャパシタンスの少なくとも一方である回路特性を調整する調整部と、を備え、
複数の前記電源装置のうち、調整対象とする1つの前記電源装置を対象電源装置とし、前記対象電源装置に接続された前記給電線を対象給電線とし、前記対象給電線に隣接して配置された他の前記給電線を隣接給電線とし、前記隣接給電線に接続された前記電源装置を隣接電源装置とし、前記移動体に電力を供給する場合の前記電源装置の動作を通常給電動作として、
少なくとも1つの前記隣接電源装置に前記通常給電動作を行わせた状態、且つ、前記対象電源装置の前記電源回路が前記交流電流を出力しない状態で前記対象給電線の電圧である第1電圧値を測定する第1機能と、
少なくとも1つの前記隣接電源装置に前記通常給電動作を行わせた状態、且つ、前記対象電源装置の前記電源回路が前記交流電流を出力している状態で前記対象給電線の電圧である第2電圧値を測定する第2機能と、
前記第1機能及び前記第2機能を実現させた後、前記第1電圧値と前記第2電圧値との差分に基づいて前記対象電源装置の前記給電回路のリアクタンスである給電回路リアクタンスを求め、当該給電回路リアクタンスに応じて、前記対象電源装置の前記給電回路の前記給電回路インピーダンスが予め定められた規定インピーダンスとなるように、前記調整部により前記回路特性を調整する調整機能と、をコンピュータに実現させる、非接触給電設備のインピーダンス調整プログラム。
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