JP2014016256A - 蓄電システム - Google Patents
蓄電システム Download PDFInfo
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- JP2014016256A JP2014016256A JP2012154128A JP2012154128A JP2014016256A JP 2014016256 A JP2014016256 A JP 2014016256A JP 2012154128 A JP2012154128 A JP 2012154128A JP 2012154128 A JP2012154128 A JP 2012154128A JP 2014016256 A JP2014016256 A JP 2014016256A
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- 238000001514 detection method Methods 0.000 claims abstract description 69
- 238000007599 discharging Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 32
- 230000004044 response Effects 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 42
- 239000003990 capacitor Substances 0.000 description 20
- 230000000873 masking effect Effects 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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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- 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
- H02P31/00—Arrangements for regulating or controlling electric motors not provided for in groups H02P1/00 - H02P5/00, H02P7/00 or H02P21/00 - H02P29/00
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- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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- H—ELECTRICITY
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- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
- H02P2201/07—DC-DC step-up or step-down converter inserted between the power supply and the inverter supplying the motor, e.g. to control voltage source fluctuations, to vary the motor speed
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Abstract
【解決手段】 蓄電システムは、充放電を行う蓄電装置(10)と、蓄電装置の出力電圧を昇圧する昇圧回路(30)と、昇圧回路から出力された直流電力を交流電力に変換するインバータ(42)と、インバータの出力電力を受けて動作するモータ(43)とを有する。蓄電システムは、蓄電装置の電流値および電圧値の少なくとも一方を検出する複数のセンサ(21、25,22,23)と、複数のセンサの検出結果を用いて所定処理を行うコントローラとを有する。コントローラは、モータの回転数に応じて変化する周波数と、昇圧回路の動作に応じて変化する周波数との差が閾値よりも小さいとき、センサの検出結果を所定処理で用いない。
【選択図】 図3
Description
24:コンデンサ、25:電圧センサ、30:昇圧回路、31:リアクトル、
32,33:トランジスタ、34,35:ダイオード、41:コンデンサ、
42:インバータ、43:モータ・ジェネレータ、50:コントローラ、51:メモリ、
SMR−P,SMR−B,SMR−G:システムメインリレー、
PL:正極ライン、NL:負極ライン、PB,NB:バスライン、R:電流制限抵抗、
Claims (6)
- 充放電を行う蓄電装置と、
前記蓄電装置の出力電圧を昇圧する昇圧回路と、
前記昇圧回路から出力された直流電力を交流電力に変換するインバータと、
前記インバータの出力電力を受けて動作するモータと、
前記蓄電装置の電流値および電圧値の少なくとも一方を検出する複数のセンサと、
前記複数のセンサの検出結果を用いて所定処理を行うコントローラと、
を有し、
前記コントローラは、前記モータの回転数に応じて変化する周波数と、前記昇圧回路の動作に応じて変化する周波数との差が閾値よりも小さいとき、前記センサの検出結果を前記所定処理で用いないことを特徴とする蓄電システム。 - 前記コントローラは、前記モータの回転数と、前記昇圧回路の動作時におけるデューティ比との関係に基づいて、前記差が前記閾値よりも小さいか否かを判別することを特徴とする請求項1に記載の蓄電システム。
- 前記複数のセンサは、前記蓄電装置の電流値を検出するセンサと、前記蓄電装置の電圧値を検出するセンサとを含んでおり、
前記コントローラは、
前記所定処理として、前記複数のセンサによって検出された電流値および電圧値に基づいて、前記蓄電装置の抵抗値を算出し、
前記差が前記閾値よりも小さいとき、前記抵抗値の算出時において、前記複数のセンサによって検出された電流値および電圧値を用いないことを特徴とする請求項1又は2に記載の蓄電システム。 - 前記複数のセンサは、前記蓄電装置の電流値をそれぞれ検出する第1電流センサおよび第2電流センサを含んでおり、
前記コントローラは、
前記所定処理として、前記第1電流センサおよび前記第2電流センサの検出結果がずれているとき、前記第1電流センサおよび前記第2電流センサのいずれかが故障状態であると判別し、
前記差が前記閾値よりも小さいとき、前記故障状態の判別時において、前記第1電流センサおよび前記第2電流センサの検出結果を用いないことを特徴とする請求項1から3のいずれか1つに記載の蓄電システム。 - 前記複数のセンサは、前記蓄電装置の電圧値をそれぞれ検出する第1電圧センサおよび第2電圧センサを含んでおり、
前記コントローラは、
前記所定処理として、前記第1電圧センサおよび前記第2電圧センサの検出結果がずれているとき、前記第1電圧センサおよび前記第2電圧センサのいずれかが故障状態であると判別し、
前記差が前記閾値よりも小さいとき、前記故障状態の判別時において、前記第1電圧センサおよび前記第2電圧センサの検出結果を用いないことを特徴とする請求項1から4のいずれか1つに記載の蓄電システム。 - 複数のセンサを用いて、充放電を行う蓄電装置の電流値および電圧値の少なくとも一方を検出し、
前記複数のセンサの検出結果を用いて所定処理を行い、
前記蓄電装置の出力電力を受けて動作するモータの回転数に応じて変化する周波数と、前記蓄電装置の出力電圧を昇圧して、昇圧後の電力を前記モータに出力する昇圧回路の動作に応じて変化する周波数との差が閾値よりも小さいとき、前記センサの検出結果を前記所定処理で用いない、
ことを特徴とする処理方法。
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