JP5827382B2 - 出力電源保護装置及びその操作方法 - Google Patents
出力電源保護装置及びその操作方法 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/18—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to reversal of direct current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
- H02H3/202—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage for dc systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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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- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
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- H—ELECTRICITY
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- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/12—Buck converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—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
- B60L58/20—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 different nominal voltages
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Dc-Dc Converters (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Protection Of Static Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
1.本発明による出力電源保護装置は、その直流変換部として非絶縁型DC−DCコンバータまたは絶縁型DC−DCコンバータを使うことができる。このため、直流変換部が非絶縁型DC−DCコンバータである場合、本発明による出力電源保護装置は、高圧電池と低圧電池に発生する高低圧間の短絡及び低圧電池の極性逆接に対して保護を提供することができる。一方、直流変換部が絶縁型DC−DCコンバータである場合、本発明による出力電源保護装置は、低圧電池の極性逆接に対して保護を提供することができる。
2.直流変換部の電圧または電流を検出することで、この直流変換部が破壊しているか否かを検出し、または低圧電池の極性が逆接しているか否かを検出することができる。そして、異常操作があると検出された場合には、即時に出力保護部によって直流変換部を閉にすることができて、電気自動車またはハイブリッド自動車への電力供給の信頼度を向上し、低圧電池及び低圧設備の破壊による不必要な設備交換費用の発生を避け、さらに、故障または異常な操作が原因となる、電気自動車またはハイブリッド自動車の故障による車両事故、人身事故を予防することができる。
3.保護回路に使われるトランジスタの数を、直流変換部の出力に応じて、さらにトランジスタの熱消費に応じて算出またはコンピューターシミュレーションして決めるため、本発明による出力電源保護装置の最適な保護効果を達成することができる。
20 直流変換部
30 出力保護部
40 制御部
50 高圧電池
60 低圧電池
70 フィルタ部
80 低圧設備
301 保護回路
Q トランジスタ
R1 第一の抵抗
R2 第二の抵抗
Vin 直流入力電圧
+Vin 直流入力正電圧
−Vin 直流入力負電圧
Vout 直流出力電圧
−Vout 直流出力負電圧
+Vout 直流出力正電圧
Sc 制御信号
Claims (12)
- 直流入力電圧を直流出力電圧に変換するための直流変換部と、
前記直流変換部に直列接続され、並列接続された複数の保護回路を含む出力保護部と、
前記直流入力電圧で充電できる高圧電池と、
前記直流変換部と低圧設備との間、前記出力保護部と前記低圧設備との間に接続され、前記直流出力電圧で充電できる低圧電池と、
制御部と、を備えた出力電源保護装置であって、
前記制御部は、前記高圧電池と前記低圧電池との間が短絡状態になった場合、または前記低圧電池の極性が逆接された場合、制御信号を発生して複数の前記保護回路を制御することで、前記直流変換部と前記低圧電池との接続、及び、前記直流変換部と前記低圧設備との接続を切断させ、
前記直流変換部は、非絶縁型DC−DCコンバータであり、
前記出力電源保護装置は、前記高圧電池と前記低圧電池との間の短絡状態、及び前記低圧電池の極性の逆接状態に対して保護を提供する、
ことを特徴する出力電源保護装置。 - 複数の前記保護回路は、それぞれ、トランジスタ、第一の抵抗及び第二の抵抗を有し、
前記トランジスタは、ゲート電極、ソース電極及びドレイン電極から構成され、
前記第一の抵抗は、前記ソース電極とゲート電極との間に接続され、
前記第二の抵抗は、前記ソース電極と前記制御部との間に接続される、
ことを特徴とする請求項1に記載の出力電源保護装置。 - 複数の前記トランジスタは、それぞれN型金属酸化膜半導体電界効果型トランジスタであり、
各前記N型金属酸化膜半導体電界効果型トランジスタは、ゲート電極、ソース電極及びドレイン電極から構成され、
各前記ドレイン電極は、前記直流変換部に接続され、
各前記ソース電極は、前記第一の抵抗の第一端に接続され、且つ、前記低圧設備に接続され、
各前記ゲート電極は、前記第一の抵抗の第二端と前記第二の抵抗の第一端とに接続され、
各前記第二の抵抗の第二端は、前記制御部に接続される、
ことを特徴とする請求項2に記載の出力電源保護装置。 - 複数の前記トランジスタは、それぞれP型金属酸化膜半導体電界効果型トランジスタであり、
各前記P型金属酸化膜半導体電界効果型トランジスタは、ゲート電極、ソース電極及びドレイン電極から構成され、
各前記ドレイン電極は、前記低圧設備に接続され、
各前記ソース電極は、前記第一の抵抗の第一端に接続され、且つ、前記直流変換部に接続され、
各前記ゲート電極は、前記第一の抵抗の第二端と前記第二の抵抗の第一端とに接続され、
各前記第二の抵抗の第二端は、前記制御部に接続される、
ことを特徴とする請求項2に記載の出力電源保護装置。 - 前記保護回路における前記トランジスタの数は、前記直流変換部の出力に応じて、且つ前記トランジスタの熱消費に応じて決められる、
ことを特徴とする請求項2に記載の出力電源保護装置。 - 前記直流変換部に接続されて、前記直流入力電圧を受け、前記直流入力電圧に対しフィルタリング操作を提供するフィルタ部をさらに有する、
ことを特徴とする請求項1に記載の出力電源保護装置。 - (a)直流入力電圧を直流出力電圧に変換するための直流変換部を提供するステップと、
(b)前記直流変換部に直列接続され、並列接続された複数の保護回路を含む出力保護部を提供するステップと、
(c)前記直流入力電圧で充電できる高圧電池を提供し、前記直流変換部と低圧設備との間、前記出力保護部と前記低圧設備との間に接続され、前記直流出力電圧で充電できる低圧電池を提供するステップと、
(d)制御部を提供するステップと、
(e)前記高圧電池と前記低圧電池との間に短絡が生じた場合、または前記低圧電池の極性が逆接された場合、前記制御部が制御信号を発生して複数の前記保護回路を制御することで、前記直流変換部と前記低圧電池との接続、及び、前記直流変換部と前記低圧設備との接続を切断させるステップと、を含む出力電源保護装置の操作方法であって、
前記直流変換部は、非絶縁型DC−DCコンバータであり、
前記出力電源保護装置は、前記高圧電池と前記低圧電池との間の短絡状態、及び前記低圧電池の極性の逆接状態に対して保護を提供する、
ことを特徴する出力電源保護装置の操作方法。 - 複数の前記保護回路は、それぞれ、トランジスタ、第一の抵抗及び第二の抵抗を有し、
前記トランジスタは、ゲート電極、ソース電極及びドレイン電極から構成され、
前記第一の抵抗を、前記ソース電極とゲート電極との間に接続し、
前記第二の抵抗を、前記ソース電極と前記制御部との間に接続する、
ことを特徴とする請求項7に記載の出力電源保護装置の操作方法。 - 複数の前記トランジスタは、それぞれN型金属酸化膜半導体電界効果型トランジスタであり、
各前記N型金属酸化膜半導体電界効果型トランジスタは、ゲート電極、ソース電極及びドレイン電極から構成され、
各前記ドレイン電極を、前記直流変換部に接続し、
各前記ソース電極を、前記第一の抵抗の第一端に接続し、且つ、前記低圧設備に接続し、
各前記ゲート電極を、前記第一の抵抗の第二端と前記第二の抵抗の第一端に接続し、
各前記第二の抵抗の第二端を、前記制御部に接続する、
ことを特徴とする請求項8に記載の出力電源保護装置の操作方法。 - 複数の前記トランジスタは、それぞれP型金属酸化膜半導体電界効果型トランジスタであり、
各前記P型金属酸化膜半導体電界効果型トランジスタは、ゲート電極、ソース電極及びドレイン電極から構成され、
各前記ドレイン電極を、前記低圧設備に接続し、
各前記ソース電極を、前記第一の抵抗の第一端に接続し、且つ、前記直流変換部に接続し、
各前記ゲート電極を、前記第一の抵抗の第二端と前記第二の抵抗の第一端に接続し、
各前記第二の抵抗の第二端を、前記制御部に接続する、
ことを特徴とする請求項8に記載の出力電源保護装置の操作方法。 - 前記保護回路における前記トランジスタの数を、前記直流変換部の出力に応じて、前記トランジスタの熱消費に応じて決める、
ことを特徴とする請求項8に記載の出力電源保護装置の操作方法。 - (f)前記直流変換部に接続されて、前記直流入力電圧を受け入れ、前記直流入力電圧に対しフィルタリング操作を行うフィルタ部を提供するステップをさらに含む、
ことを特徴とする請求項7に記載の出力電源保護装置の操作方法。
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TW103105996 | 2014-02-24 |
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