WO2015198749A1 - Engine system - Google Patents

Engine system Download PDF

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Publication number
WO2015198749A1
WO2015198749A1 PCT/JP2015/064165 JP2015064165W WO2015198749A1 WO 2015198749 A1 WO2015198749 A1 WO 2015198749A1 JP 2015064165 W JP2015064165 W JP 2015064165W WO 2015198749 A1 WO2015198749 A1 WO 2015198749A1
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power supply
terminal
supply voltage
voltage connection
terminals
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PCT/JP2015/064165
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French (fr)
Japanese (ja)
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孝之 池田
喜久 金屋
大塚 伸一
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ヤンマー株式会社
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Publication of WO2015198749A1 publication Critical patent/WO2015198749A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00Fixed transformers not covered by group H01F19/00
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/04Emergency 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 transformers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/10Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
    • H02M5/12Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion of voltage or current amplitude only

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Static Devices (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

An engine system of the present invention has a transformer (2) provided with auxiliary machinery output terminals (29a, 29b) at a primary side (21) and power supply voltage connection terminals (26, 27, 28) and is characterized by being provided with: power supply input terminals (31, 32); a plurality of power supply voltage connection terminals (26, 27, 28); a relay terminal (30) connected to any one of the power supply voltage connection terminals; and an overheat protection means (40) in a path connecting the relay terminal (30) and the power supply input terminal (32).

Description

エンジンシステムEngine system
 本発明は、例えば、温水運転または冷水運転を実行できるヒートポンプ式チラーに採用することができるエンジンシステムに関する。 The present invention relates to an engine system that can be employed in, for example, a heat pump chiller that can perform hot water operation or cold water operation.
 従来、エンジンシステムとしては、例えば、特許文献1に記載のものが公知である。かかる特許文献1は、変圧器の一次側コイルの両端子を電源(AC230Vまたは240V)接続端子とし、分路巻線の両端子を補機類電源端子として一次側コイルを単巻変圧器として使用する構成、および二次側コイルをセルモータの電源として使用する構成を開示する。 Conventionally, as an engine system, for example, the one described in Patent Document 1 is known. Patent Document 1 uses both terminals of a primary coil of a transformer as a power supply (AC230V or 240V) connection terminal, both terminals of a shunt winding as auxiliary equipment power supply terminals, and uses a primary coil as a single-winding transformer. And a configuration in which the secondary coil is used as a power source for the cell motor.
日本国特許公報「特許第5345019号」Japanese Patent Gazette "Patent No. 5345019"
 ところで、仕向地の異なるエンジンシステムを生産するにあたっては、生産コストを低減させるという観点から、エンジンシステムの構成機器として仕向地に関係なく共通のものをできるだけ多く使用することが行われている。即ち、先行文献1の構成において、仕向地(例えば日本向けや欧州向け)によって、交流電源からの電源電圧の仕様(例えば、日本向けでAC200V仕様、欧州向けでAC230V仕様又はAC240V仕様)が仕向地の電源電圧に応じた一次側コイルがそれぞれ必要となる。 By the way, when producing engine systems with different destinations, from the viewpoint of reducing production costs, as many components as the components of the engine system are used as much as possible regardless of the destination. That is, in the configuration of the prior art document 1, the specification of the power supply voltage from the AC power supply (for example, AC200V specification for Japan, AC230V specification or AC240V specification for Europe) depending on the destination (for example, for Japan or Europe) The primary side coil corresponding to the power supply voltage is required.
 この不便さを解決するために発明者等は、一次側コイルに複数の電源電圧接続端子を設ける構成を提案することとした。この場合、特に変圧器のように高温度になり易い機器には、過熱保護を図る必要がある。変圧器の過熱保護を図るために、交流電源と接続する電源電圧接続端子の各々の電源側経路に過熱保護手段(例.温度ヒューズ)を予め設けるか、実際の使用端子が決まった時点でその端子の電源側経路に過熱保護手段を都度設ける必要があり、前者は余分な過熱保護手段が発生し、後者は組み立て現場での煩雑さが増し、組み立てミスを招来するおそれがある。 In order to solve this inconvenience, the inventors have proposed a configuration in which a plurality of power supply voltage connection terminals are provided in the primary coil. In this case, it is necessary to provide overheat protection especially for devices such as transformers that are likely to reach high temperatures. In order to protect the transformer from overheating, overheat protection means (eg, thermal fuse) is provided in advance on each power supply side path of the power supply voltage connection terminal connected to the AC power supply, or when the actual use terminal is determined It is necessary to provide overheat protection means on the power supply side path of the terminal each time. The former generates extra overheat protection means, and the latter increases the complexity at the assembly site and may cause assembly errors.
 そこで、本発明は、一次側に複数の電源電圧接続端子と出力端子を設けた変圧器の過熱保護手段の効率的な配置を提示することを目的とする。 Therefore, an object of the present invention is to present an efficient arrangement of the overheat protection means of a transformer provided with a plurality of power supply voltage connection terminals and output terminals on the primary side.
 また、二次側をセルモータ電源として使用する場合の変圧器の定格容量の定め方を提示することを目的とする。 Also, the purpose is to present how to determine the rated capacity of the transformer when the secondary side is used as a cell motor power supply.
 本発明は、前記課題を解決するためになされたもので、一次側に補機類用の出力端子と電源電圧接続端子を設けた変圧器を有するエンジンシステムにおいて、電源入力端子を設け、複数の電源電圧接続端子を設け、複数の電源電圧接続端子のいずれか一つと接続する中継端子を設け、中継端子と電源入力端子の接続経路に過熱保護手段を設けたことを特徴とする。 The present invention has been made to solve the above problems, and in an engine system having a transformer provided with an output terminal for auxiliary equipment and a power supply voltage connection terminal on the primary side, a power input terminal is provided, and a plurality of power input terminals are provided. A power supply voltage connection terminal is provided, a relay terminal connected to any one of the plurality of power supply voltage connection terminals is provided, and overheat protection means is provided in a connection path between the relay terminal and the power supply input terminal.
 前記本発明は、単一の過熱保護手段で複数の電源電圧接続端子のいずれを使用する場合も負荷側より上流で過熱保護を図ることが可能となる。 In the present invention, overheating protection can be achieved upstream from the load side when any one of a plurality of power supply voltage connection terminals is used with a single overheating protection means.
 また、本発明は、二次側をエンジン起動用のセルモータ電源としてのみ使用し、変圧器の定格容量を補機類の定格出力に合わせて設定したことを特徴とする。 Further, the present invention is characterized in that the secondary side is used only as a cell motor power source for starting the engine, and the rated capacity of the transformer is set in accordance with the rated output of the auxiliary machinery.
 前記本発明は、エンジン起動時のみに大容量電力を必要とするセルモータ用電源基準で変圧器の定格容量を設定する場合と比較して低容量とすることができる。 In the present invention, the capacity can be reduced as compared with the case where the rated capacity of the transformer is set based on the power source for the cell motor that requires a large capacity power only when the engine is started.
 本発明は、単一の過熱保護手段で複数の電源電圧接続端子のいずれを使用する場合であっても負荷側より上流で過熱保護を図ることが可能となる。 In the present invention, even when any one of a plurality of power supply voltage connection terminals is used with a single overheat protection means, overheat protection can be achieved upstream from the load side.
本発明の実施形態に係るエンジンシステムの概略を示す構成図である。It is a lineblock diagram showing an outline of an engine system concerning an embodiment of the present invention. 本発明の実施形態に係るセルモータ用の二次側コイルを省略したエンジンシステムの概略配線図である。1 is a schematic wiring diagram of an engine system in which a secondary coil for a cell motor according to an embodiment of the present invention is omitted.
 以下、本発明に係る本実施形態について図面を参照しながら説明する。 Hereinafter, the present embodiment according to the present invention will be described with reference to the drawings.
 図1は本発明の実施形態に係るエンジンシステム1の概略を示す構成図、図2はセルモータ用の二次側コイルを省略したエンジンシステムの概略配線図である。 FIG. 1 is a configuration diagram showing an outline of an engine system 1 according to an embodiment of the present invention, and FIG. 2 is a schematic wiring diagram of the engine system in which a secondary coil for a cell motor is omitted.
 エンジンシステム1は、例えば循環液流路を流れる循環液の温度を調節する(温水運転または冷水運転を実行できる)ヒートポンプ式チラーに採用するものである。 The engine system 1 is employed in a heat pump chiller that adjusts the temperature of the circulating fluid that flows through the circulating fluid flow path (can perform hot water operation or cold water operation), for example.
 図1に示すエンジンシステム1は、エンジン10と、セルモータ11と、変圧器2と、補機類13とを備えている。 The engine system 1 shown in FIG. 1 includes an engine 10, a cell motor 11, a transformer 2, and auxiliary machinery 13.
 セルモータ11は、エンジン10を始動させるものである。 The cell motor 11 is for starting the engine 10.
 変圧器2は、図1および図2に示すように、巻線(一次側コイル)の経路の一部を一次側21と二次側22とで共用するものであり、直列巻線と分路巻線で構成されている。また、変圧器2は、セルモータ11への駆動電圧Vdを二次側(二次側コイル)23の出力としている。 As shown in FIGS. 1 and 2, the transformer 2 shares part of the path of the winding (primary side coil) between the primary side 21 and the secondary side 22, and includes a series winding and a shunt. Consists of windings. Further, the transformer 2 uses the drive voltage Vd to the cell motor 11 as the output of the secondary side (secondary side coil) 23.
 巻線の経路における両端子25、26間には、入力端子としての複数の電源電圧接続端子が設けられている。すなわち、両端子25、26のうち一方の端子25が一方の電源ライン15aに接続され、両端子25、26のうち他方の端子26が第1電源電圧接続端子に該当する。第1電源電圧接続端子26よりも一方の端子25に向けて、第2電源電圧接続端子27および第3電源電圧接続端子28が順次設けられている。 A plurality of power supply voltage connection terminals as input terminals are provided between the terminals 25 and 26 in the winding path. That is, one terminal 25 of both terminals 25 and 26 is connected to one power supply line 15a, and the other terminal 26 of both terminals 25 and 26 corresponds to a first power supply voltage connection terminal. A second power supply voltage connection terminal 27 and a third power supply voltage connection terminal 28 are sequentially provided from the first power supply voltage connection terminal 26 toward the one terminal 25.
 ここで、仕様変更する電源電圧Vaが交流AC220V、AC230VおよびAC240Vとする場合、両方の端子25、26間に印加される電源電圧Vaは、AC240Vに設定されている。一方の端子25と第2電源電圧接続端子27間に印加される電源電圧Vaは、AC230Vに設定されている。一方の端子25と第3電源電圧接続端子28間に印加される電源電圧Vaは、AC220Vに設定されている。 Here, when the power supply voltage Va whose specification is to be changed is AC 220 V, AC 230 V, and AC 240 V, the power supply voltage Va applied between both terminals 25 and 26 is set to 240 V AC. The power supply voltage Va applied between one terminal 25 and the second power supply voltage connection terminal 27 is set to AC 230V. The power supply voltage Va applied between the one terminal 25 and the third power supply voltage connection terminal 28 is set to AC220V.
 一次側21の経路の途中に分岐端子としての出力端子29aが設けられ、分岐巻線経路における両端子25、29a間が、一次側と共有する共有二次側とされている。すなわち、一方の端子25の接続された一方の電源ライン15aに出力端子29bが設けられている。両出力端子29a、29b間に印加される電圧Vcは想定電圧(例えば日本向け補機類13が許容する電圧AC200V)に設定されている。補機類13は、交流電源50から供給される電圧を受電するものであり、両出力端子29a、29b(電源ライン)に接続されている。 An output terminal 29a as a branch terminal is provided in the middle of the path of the primary side 21, and the terminals 25 and 29a in the branch winding path are shared secondary sides shared with the primary side. That is, the output terminal 29b is provided in one power supply line 15a to which one terminal 25 is connected. The voltage Vc applied between the output terminals 29a and 29b is set to an assumed voltage (for example, a voltage AC200V allowed by the auxiliary equipment 13 for Japan). The auxiliary machinery 13 receives the voltage supplied from the AC power supply 50, and is connected to both output terminals 29a and 29b (power supply lines).
 補機類13は、冷却水ポンプや冷却ファン等のモータ類といった受電機器等とされている。補機類13の一方の受電ライン13aと、変圧器2の一次側21の経路における両端子25、26のうち一方の端子25が接続された一方の電源ライン15aの出力端子29bとが接続されている。補機類13の他方の受電ライン13bと、出力端子29aとが接続されている。 The auxiliary machines 13 are power receiving devices such as motors such as a cooling water pump and a cooling fan. One power receiving line 13a of auxiliary machinery 13 is connected to output terminal 29b of one power supply line 15a to which one terminal 25 of both terminals 25, 26 in the path of primary side 21 of transformer 2 is connected. ing. The other power receiving line 13b of the auxiliary machinery 13 and the output terminal 29a are connected.
 変圧器2は、二次側23がセルモータ11に接続されており、二次側23の駆動電圧Vdをセルモータ11に供給する。セルモータ11は、駆動電圧Vdが供給されることにより、エンジン10を始動させることが可能である。ここで、二次側23をエンジン起動用のセルモータ電源としてのみ使用し、変圧器2の定格容量を補機類13の定格出力に合わせて設定している。 The transformer 2 has a secondary side 23 connected to the cell motor 11, and supplies the drive voltage Vd of the secondary side 23 to the cell motor 11. The cell motor 11 can start the engine 10 by being supplied with the drive voltage Vd. Here, the secondary side 23 is used only as a cell motor power source for starting the engine, and the rated capacity of the transformer 2 is set in accordance with the rated output of the auxiliary machinery 13.
 変圧器2の一次側21の両端子25、26のうち他方の端子26に接続される他方の電源ライン15bには、中継端子30が設けられている。また、中継端子30に対して、第1電源電圧接続端子26、第2電源電圧接続端子27および第3電源電圧接続端子28のうち何れか一つを選択して接続することができるようになっている。 A relay terminal 30 is provided on the other power supply line 15b connected to the other terminal 26 of the terminals 25 and 26 on the primary side 21 of the transformer 2. In addition, any one of the first power supply voltage connection terminal 26, the second power supply voltage connection terminal 27, and the third power supply voltage connection terminal 28 can be selected and connected to the relay terminal 30. ing.
 また、変圧器2は、一次側21の経路における両端子25、26が交流電源50に接続されており、交流電源50からの電源電圧Vaが供給される。すなわち、変圧器2は、交流電源50に接続される電源入力端子31、32を備えている。一方の電源入力端子31は、変圧器2の一次側21の両端子25、26のうち一方の端子25が接続された電源ライン15aに接続されている。他方の電源入力端子32は、中継端子30が設けられている他方の電源ライン15bに接続されている。 Also, the transformer 2 has both terminals 25 and 26 in the path of the primary side 21 connected to the AC power supply 50, and is supplied with the power supply voltage Va from the AC power supply 50. That is, the transformer 2 includes power input terminals 31 and 32 connected to the AC power supply 50. One power supply input terminal 31 is connected to a power supply line 15 a to which one terminal 25 of both terminals 25 and 26 on the primary side 21 of the transformer 2 is connected. The other power input terminal 32 is connected to the other power line 15b provided with the relay terminal 30.
 中継端子30が設けられた他方の電源ライン15bの中途部(中継端子30と他方の電源入力端子32との間の接続経路)には、過熱保護手段40が設けられている。過熱保護手段40としては、温度ヒューズを例示することができる。 The overheat protection means 40 is provided in the middle of the other power supply line 15b provided with the relay terminal 30 (connection path between the relay terminal 30 and the other power input terminal 32). An example of the overheat protection means 40 is a thermal fuse.
 本実施形態のエンジンシステム1は以上の構成からなり、次に、かかるエンジンシステム1をそれぞれの仕向地において使用する場合について説明する。 The engine system 1 of the present embodiment has the above-described configuration, and next, a case where the engine system 1 is used in each destination will be described.
 例えば、仕向地の供給電源がAC240Vの交流電源50である場合は、中継端子30と第1電源電圧接続端子26とを接続する(図2に実線で示す。)。これにより、仕向地の交流電源50のAC240Vが両端子25、26間に印加されるが、変圧器2の分路巻線経路における端子25(出力端子29a)と出力端子29b間の共用二次側で想定電圧(例えば日本向け補機類13の許容電圧AC200V)Vcを補機類13に供給することができる。 For example, when the supply power at the destination is an AC power supply 50 with 240 V AC, the relay terminal 30 and the first power supply voltage connection terminal 26 are connected (shown by a solid line in FIG. 2). As a result, the AC 240 V of the AC power supply 50 at the destination is applied between both terminals 25 and 26, but the shared secondary between the terminal 25 (output terminal 29 a) and the output terminal 29 b in the shunt winding path of the transformer 2. On the side, an assumed voltage (for example, allowable voltage AC200V for auxiliary machinery 13 for Japan) Vc can be supplied to auxiliary machinery 13.
 また、仕向地の供給電源がAC230Vの交流電源50である場合は、中継端子30と第2電源電圧接続端子27とを接続する。これにより、仕向地の交流電源50のAC230Vが両端子25、27間に印加されるが、AC200Vの想定電圧Vcを補機類13に供給することができる。 Further, when the power supply at the destination is the AC power supply 50 of AC 230 V, the relay terminal 30 and the second power supply voltage connection terminal 27 are connected. Thereby, although AC230V of the alternating current power supply 50 of the destination is applied between both the terminals 25 and 27, the assumption voltage Vc of AC200V can be supplied to the accessories 13.
 また、仕向地の供給電源がAC220Vの交流電源50である場合は、中継端子30と第3電源電圧接続端子28とを接続する。これにより、仕向地の交流電源50のAC220Vが両端子25、28間に印加されるが、AC200Vの想定電圧Vcを補機類13に供給することができる。 Further, when the power supply at the destination is the AC power supply 50 of AC220V, the relay terminal 30 and the third power supply voltage connection terminal 28 are connected. As a result, AC 220 V of the AC power supply 50 at the destination is applied between the terminals 25 and 28, but the assumed voltage Vc of AC 200 V can be supplied to the auxiliary machinery 13.
 以上のように、仕様変更する電源電圧Vaが想定電圧(例えば日本向け補機類13の許容電圧AC200V)Vcよりも高い電圧(例えば欧州向けAC220~AC240V)となる場合に、中継端子30に対して、第1電源電圧接続端子26、第2電源電圧接続端子27および第3電源電圧接続端子28のうち何れか一方と接続することで、仕様変更する電源電圧Va(例えば欧州向けAC220~AC240V)を変圧器2の分路巻線経路における共用二次側で想定電圧(例えば日本向け補機類13の許容電圧AC200V)Vcに設定することができる。 As described above, when the power supply voltage Va whose specifications are to be changed is higher than the assumed voltage (for example, the allowable voltage AC200V of the auxiliary machinery 13 for Japan) Vc (for example, AC220 to AC240V for Europe), the relay terminal 30 The power supply voltage Va whose specification is changed by connecting to any one of the first power supply voltage connection terminal 26, the second power supply voltage connection terminal 27, and the third power supply voltage connection terminal 28 (for example, AC220 to AC240V for Europe) Can be set to the assumed voltage (for example, allowable voltage AC200V of auxiliary machinery 13 for Japan) Vc on the shared secondary side in the shunt winding path of the transformer 2.
 従って、本発明の実施形態に係るエンジンシステム1によると、仕様変更する電源電圧Vaが想定電圧Vcよりも高い電圧となる場合において、別途の変圧器を設けることなく、電源電圧Vaの仕様変更を実現することができる。 Therefore, according to the engine system 1 according to the embodiment of the present invention, when the power supply voltage Va whose specification is changed is higher than the assumed voltage Vc, the specification change of the power supply voltage Va is performed without providing a separate transformer. Can be realized.
 また、本発明の実施形態に係るエンジンシステム1は、単一の過熱保護手段40で複数の電源電圧接続端子26、27、28のいずれを使用する場合も負荷側より上流で過熱保護を図ることが可能となる。この結果、必要最小限の過熱保護手段40を使用すればよく、余分な過熱保護手段40が不要となり、しかも、仕向地の供給電源に応じて実際の使用端子が決まった時点で、その端子の電源側経路に過熱保護手段40を都度設ける必要がないので、組み立て現場での煩雑さが解消でき、組み立てミスを防止することが可能となる。 Further, the engine system 1 according to the embodiment of the present invention achieves overheat protection upstream from the load side when any one of the plurality of power supply voltage connection terminals 26, 27, 28 is used by the single overheat protection means 40. Is possible. As a result, the minimum necessary overheat protection means 40 may be used, and the excess overheat protection means 40 becomes unnecessary, and when the actual terminal used is determined according to the power supply at the destination, Since it is not necessary to provide the overheat protection means 40 in the power supply side path each time, the trouble at the assembly site can be eliminated and an assembly error can be prevented.
 また、二次側23をエンジン起動用のセルモータ電源としてのみ使用し、変圧器2の定格容量を補機類13の定格出力に合わせて設定したので、エンジン起動時のみに大容量電力を必要とするセルモータ用電源基準で変圧器の定格容量を設定する場合と比較して低容量とすることができる。 Further, since the secondary side 23 is used only as a cell motor power source for starting the engine, and the rated capacity of the transformer 2 is set in accordance with the rated output of the auxiliary machinery 13, a large capacity power is required only when starting the engine. Compared with the case where the rated capacity of the transformer is set based on the cell motor power supply standard, the capacity can be reduced.
 なお、本実施形態のエンジンシステムは、チラーに採用する以外に、エンジン発電機に採用することも可能である。 In addition, the engine system of the present embodiment can be used for an engine generator in addition to the chiller.
 本発明は、その精神または主要な特徴から逸脱することなく、他のいろいろな形で実施することができる。そのため、上述の実施例はあらゆる点で単なる例示にすぎず、限定的に解釈してはならない。本発明の範囲は特許請求の範囲によって示すものであって、明細書本文には、なんら拘束されない。さらに、特許請求の範囲の均等範囲に属する変形や変更は、全て本発明の範囲内のものである。 The present invention can be implemented in various other forms without departing from the spirit or main features thereof. For this reason, the above-described embodiment is merely an example in all respects and should not be interpreted in a limited manner. The scope of the present invention is indicated by the claims, and is not restricted by the text of the specification. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.
 この出願は、2014年6月24日に日本で出願された特願2014-129483に基づく優先権を請求する。これに言及することにより、その全ての内容は本出願に組み込まれるものである。 This application claims priority based on Japanese Patent Application No. 2014-129383 filed in Japan on June 24, 2014. By this reference, the entire contents thereof are incorporated into the present application.
1     エンジンシステム
2     変圧器
10    エンジン
11    セルモータ
13    補機類
13a   一方の受電ライン
13b   他方の受電ライン
15a   一方の電源ライン
15b   他方の電源ライン
21    一次側(一次側コイル)
22    二次側
23    二次側(二次側コイル)
25    一方の端子
26    他方の端子(第1電源電圧接続端子)
27    第2電源電圧接続端子
28    第3電源電圧接続端子
29a   分岐端子(出力端子)
29b   出力端子
30    中継端子
31    一方の電源入力端子
32    他方の電源入力端子
50    交流電源
Va    電源電圧
Vc    想定電圧
Vd    駆動電圧
DESCRIPTION OF SYMBOLS 1 Engine system 2 Transformer 10 Engine 11 Cell motor 13 Auxiliary machinery 13a One receiving line 13b The other receiving line 15a One power line 15b The other power line 21 Primary side (primary side coil)
22 Secondary side 23 Secondary side (secondary side coil)
25 One terminal 26 The other terminal (first power supply voltage connection terminal)
27 Second power supply voltage connection terminal 28 Third power supply voltage connection terminal 29a Branch terminal (output terminal)
29b Output terminal 30 Relay terminal 31 One power input terminal 32 Other power input terminal 50 AC power supply Va Power supply voltage Vc Assumed voltage Vd Drive voltage

Claims (2)

  1.  一次側に補機類用の出力端子と電源電圧接続端子を設けた変圧器を有するエンジンシステムにおいて、電源入力端子を設け、複数の電源電圧接続端子を設け、複数の電源電圧接続端子のいずれか一つと接続する中継端子を設け、中継端子と電源入力端子の接続経路に過熱保護手段を設けたことを特徴とするエンジンシステム。 In an engine system having a transformer with an output terminal for auxiliary machinery and a power supply voltage connection terminal on the primary side, a power input terminal is provided, a plurality of power supply voltage connection terminals are provided, and any one of the plurality of power supply voltage connection terminals is provided. An engine system comprising a relay terminal connected to one, and an overheat protection means provided in a connection path between the relay terminal and the power input terminal.
  2.  請求項1に記載のエンジンシステムにおいて、二次側をエンジン起動用のセルモータ電源としてのみ使用し、変圧器の定格容量を補機類の定格出力に合わせて設定したことを特徴とするエンジンシステム。 2. The engine system according to claim 1, wherein the secondary side is used only as a cell motor power source for starting the engine, and the rated capacity of the transformer is set in accordance with the rated output of the auxiliary machinery.
PCT/JP2015/064165 2014-06-24 2015-05-18 Engine system WO2015198749A1 (en)

Applications Claiming Priority (2)

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JP2014129483A JP6285294B2 (en) 2014-06-24 2014-06-24 Engine system
JP2014-129483 2014-06-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109861216A (en) * 2019-03-04 2019-06-07 苏州热工研究院有限公司 The method and system that more connecting transformers are safely operated side by side under interconnected network

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660129U (en) * 1993-01-12 1994-08-19 株式会社江藤電機 Automatic voltage adjustment transformer
JPH07274381A (en) * 1994-03-25 1995-10-20 Chiyuuritsu Denki Kk Low-voltage switchboard
JP2000116005A (en) * 1998-10-02 2000-04-21 Sanken Electric Co Ltd Ac power unit
JP2011050180A (en) * 2009-08-27 2011-03-10 Yanmar Co Ltd Engine system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023047Y1 (en) * 1970-11-06 1975-07-11
JPS5240381Y2 (en) * 1971-05-21 1977-09-12
JPS54115535U (en) * 1978-02-02 1979-08-14

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660129U (en) * 1993-01-12 1994-08-19 株式会社江藤電機 Automatic voltage adjustment transformer
JPH07274381A (en) * 1994-03-25 1995-10-20 Chiyuuritsu Denki Kk Low-voltage switchboard
JP2000116005A (en) * 1998-10-02 2000-04-21 Sanken Electric Co Ltd Ac power unit
JP2011050180A (en) * 2009-08-27 2011-03-10 Yanmar Co Ltd Engine system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109861216A (en) * 2019-03-04 2019-06-07 苏州热工研究院有限公司 The method and system that more connecting transformers are safely operated side by side under interconnected network

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