JP6769864B2 - AC / DC power supply system - Google Patents

AC / DC power supply system Download PDF

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JP6769864B2
JP6769864B2 JP2016255960A JP2016255960A JP6769864B2 JP 6769864 B2 JP6769864 B2 JP 6769864B2 JP 2016255960 A JP2016255960 A JP 2016255960A JP 2016255960 A JP2016255960 A JP 2016255960A JP 6769864 B2 JP6769864 B2 JP 6769864B2
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JP2018108004A (en
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彰訓 加藤
彰訓 加藤
孝資 平井
孝資 平井
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河村電器産業株式会社
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Description

本発明は、交流負荷に加えて直流負荷に対しても電力を供給できる交流/直流給電システムに関する。 The present invention relates to an AC / DC power supply system capable of supplying power not only to an AC load but also to a DC load.

エネルギー効率の観点から直流給電が検討されている。また、近年、直流用LED照明等の直流負荷が開発されており、直流負荷に対しては直流電力を給電できる電力給電システムが効率が良く、また部材を削減できるため検討されている。
例えば特許文献1では、分電盤内或いは近傍に交流/直流変換装置(AC/DCコンバータ)を配置して直流電力を生成し、分電盤を分離して或いは共通する分電盤に交流分岐回路及び直流分岐回路を形成し、交流負荷と直流負荷に対応させている。
DC power supply is being studied from the viewpoint of energy efficiency. Further, in recent years, a DC load such as a DC LED lighting has been developed, and a power power supply system capable of supplying DC power to the DC load is being studied because it is efficient and can reduce the number of members.
For example, in Patent Document 1, an AC / DC converter (AC / DC converter) is arranged in or near the distribution board to generate DC power, and the distribution board is separated or AC-branched into a common distribution board. A circuit and a DC branch circuit are formed to handle AC load and DC load.

特開2004−282802号公報Japanese Unexamined Patent Publication No. 2004-282802

分電盤を上記特許文献1に記載されたように、分電盤に直流分岐回路を備えた構成とすることで、直流負荷に対しても対応可能となったが、交流負荷のみに対応した従来の分電盤に比べて横方向に大きくなり、従来の分電盤設置スペースに収まらなかったし、天井近くでの作業量が増加するため、作業者の負担が増加した。 As described in Patent Document 1 above, the distribution board is configured to have a DC branch circuit, so that it can handle DC loads, but it can handle only AC loads. Compared to the conventional distribution board, it is larger in the lateral direction, cannot fit in the conventional distribution board installation space, and the amount of work near the ceiling increases, which increases the burden on the operator.

そこで、本発明はこのような問題点に鑑み、設置スペースの確保に悩む必要が無く、加えて施工性の良い交流/直流給電システムを提供することを目的としている。 Therefore, in view of such a problem, it is an object of the present invention to provide an AC / DC power supply system having good workability without having to worry about securing an installation space.

上記課題を解決する為に、請求項1の発明は、引き込んだ商用電力を分岐するために複数の分岐ブレーカが組み付けられた交流分電盤と、商用電力から直流電力を生成する交流/直流変換装置と、交流/直流変換装置で生成された直流電力を分岐するために複数の直流分岐ブレーカが組み付けられた直流分電盤とを備えた交流/直流給電システムであって、交流分電盤のケース、交流/直流変換装置のケース、及び直流分電盤のケースは、住戸の壁内に配置された間柱の間隔に合わせた同一の幅で形成され、同一の間柱間に縦に並べて設置可能としたことを特徴とする。
この構成によれば、間柱間に交流分電盤、交流/直流変換装置、直流分電盤を縦に並べて設置できるため、従来のように全てのケースを天井付近に横に並べて設置する必要が無くなり、作業性が大幅に改善できる。そして、間柱間に設置できるため広い設置スペースを確保でき、設置スペースの確保に悩まなくて済むし、壁面内に設置することで壁面から突出することなく設置することが可能であり、高所に設置しなくても邪魔にならないよう設置できる。
In order to solve the above problems, the invention of claim 1 is an AC distribution board in which a plurality of branch breakers are assembled to branch the drawn commercial power, and an AC / DC conversion that generates DC power from the commercial power. An AC / DC power supply system equipped with a device and a DC distribution board in which a plurality of DC branch breakers are assembled to branch the DC power generated by the AC / DC conversion device. The case, the case of the AC / DC converter, and the case of the DC distribution board are formed with the same width according to the spacing of the pillars arranged in the wall of the dwelling unit, and can be installed vertically between the same pillars. It is characterized by the fact that.
According to this configuration, the AC distribution board, AC / DC converter, and DC distribution board can be installed vertically between the studs, so it is necessary to install all the cases side by side near the ceiling as in the past. It disappears and workability can be greatly improved. And since it can be installed between studs, a large installation space can be secured, so there is no need to worry about securing the installation space, and by installing it inside the wall surface, it can be installed without protruding from the wall surface, and it can be installed in high places. It can be installed out of the way even if it is not installed.

請求項2の発明は、請求項1に記載の構成において、交流/直流変換装置で変換された直流電力を電圧の異なる直流電力に変換する直流電圧変換装置を具備し、当該直流電圧変換装置も、直流電圧変換装置で変換された直流電力を分岐する直流分岐ブレーカと共に、間柱の間隔に合わせた幅のケースと同一幅のケースに収納されて成ることを特徴とする。
この構成によれば、2種類の電圧の直流分岐電路を配設できるため、電圧の異なる直流機器に対応できる。また、交流分電盤等のケースと同様に間柱間に配置でき、無理なく設置できる。
The invention of claim 2 includes, in the configuration of claim 1, a DC voltage converter that converts DC power converted by an AC / DC converter into DC power of a different voltage, and the DC voltage converter also includes the DC voltage converter. It is characterized in that, together with a DC branch breaker that branches the DC power converted by the DC voltage converter, the case is housed in a case having the same width as the case having a width matching the distance between the columns.
According to this configuration, since DC branch electric circuits having two types of voltages can be arranged, it is possible to deal with DC devices having different voltages. In addition, it can be placed between studs like a case such as an AC distribution board, and can be installed without difficulty.

請求項3の発明は、請求項1又は2に記載の構成において、直流分電盤には、交流/直流変換装置で生成された直流電力と切り替えて電源として使用可能な蓄電池が接続されると共に、直流分電盤の分岐電路から電力供給されて、商用電力に合わせた交流電力を生成する直流/交流変換装置を有し、当該直流/交流変換装置も間柱の間隔に合わせた幅のケースと同一幅のケースに収納されて成ることを特徴とする。
この構成によれば、商用電源に停電が発生しても避難路の照明等の特定の交流機器に対しては引き続き蓄電池により電力を供給できる。そして、直流/交流変換装置も広い設置スペースを確保できる間柱間に収納できるので、設置場所の確保に苦労することもない。
According to the invention of claim 3, in the configuration according to claim 1 or 2, a storage battery that can be used as a power source by switching to the DC power generated by the AC / DC converter is connected to the DC distribution board. , Has a DC / AC converter that is supplied with power from the branch circuit of the DC distribution board and generates AC power that matches the commercial power, and the DC / AC converter also has a case with a width that matches the spacing between the columns. It is characterized by being housed in a case of the same width.
According to this configuration, even if a power failure occurs in the commercial power source, power can be continuously supplied by the storage battery to a specific AC device such as an evacuation route lighting. The DC / AC converter can also be stored between the studs that can secure a large installation space, so there is no difficulty in securing the installation location.

請求項4の発明は、請求項1乃至3の何れかに記載の構成において、直流分電盤は、直流地絡検出部及び直流電流計測部を具備して成ることを特徴とする。
この構成によれば、直流分電盤は直流地絡検出部及び直流電流計測部を具備するため、生成した直流電圧が高電圧であっても安全に使用できるし、電力管理がし易い。
The invention of claim 4 is characterized in that, in the configuration according to any one of claims 1 to 3, the DC distribution board includes a DC ground fault detection unit and a DC current measurement unit.
According to this configuration, since the DC distribution board includes a DC ground fault detection unit and a DC current measurement unit, it can be safely used even if the generated DC voltage is a high voltage, and power management is easy.

本発明によれば、間柱間に交流分電盤、交流/直流変換装置、直流分電盤を縦に並べて設置できるため、従来のように全てのケースを天井付近に横に並べて設置する必要が無くなり、作業性が大幅に改善できる。そして、間柱間に設置できるため広い設置スペースを確保でき、設置スペースの確保に悩まなくて済むし、壁面内に設置することで壁面から突出することなく設置することが可能であり、高所に設置しなくても邪魔にならないよう設置できる。 According to the present invention, the AC distribution board, the AC / DC converter, and the DC distribution board can be installed vertically between the studs, so that all the cases need to be installed side by side near the ceiling as in the conventional case. It disappears and workability can be greatly improved. And since it can be installed between studs, a large installation space can be secured, so there is no need to worry about securing the installation space, and by installing it inside the wall surface, it can be installed without protruding from the wall surface, and it can be installed in high places. It can be installed out of the way even if it is not installed.

本発明に係る交流/直流給電システムの一例を示す構成図である。It is a block diagram which shows an example of the AC / DC power supply system which concerns on this invention. 図1の交流/直流給電システムの外観説明図である。It is an external appearance explanatory view of the AC / DC power supply system of FIG.

以下、本発明を具体化した実施の形態を、図面を参照して詳細に説明する。図1,2は本発明に係る交流/直流給電システムの一例を示し、図1は構成図、図2は外観説明図である。図に於いて、1は引き込み線等で引き込んだ商用電力である商用電源、2は商用電源1を負荷に供給するために分岐等を行う交流分電盤、3は交流である商用電源を直流に変換する交流/直流変換装置3aが収容されたAC/DC盤、4は生成した直流電力を直流負荷に供給するために分岐等を行う直流分電盤、5は交流/直流変換装置3aが生成する直流電圧とは異なる電圧の直流を生成する直流電圧変換装置5aが収容されたDC/DC盤、6は生成された直流を再び商用電源に合わせた交流に変換する直流/交流変換装置6aが収容されたDC/AC盤である。
尚、10は住戸の壁面内に配置された間柱を示し、各盤を構成するケース11(11a〜11e)はそれぞれ間柱10の間に縦に並べて配置されている。
Hereinafter, embodiments embodying the present invention will be described in detail with reference to the drawings. 1 and 2 show an example of an AC / DC power supply system according to the present invention, FIG. 1 is a configuration diagram, and FIG. 2 is an external explanatory view. In the figure, 1 is a commercial power source that is a commercial power source drawn by a drop wire or the like, 2 is an AC distribution board that branches to supply the commercial power source 1 to a load, and 3 is an AC commercial power source that is DC. The AC / DC board that houses the AC / DC converter 3a that converts to the AC / DC converter, 4 is the DC distribution board that branches to supply the generated DC power to the DC load, and 5 is the AC / DC converter 3a. A DC / DC board containing a DC voltage converter 5a that generates a DC with a voltage different from the generated DC voltage, 6 is a DC / AC converter 6a that converts the generated DC into an AC that matches the commercial power supply again. Is a DC / AC board that houses.
Reference numeral 10 denotes studs arranged in the wall surface of the dwelling unit, and cases 11 (11a to 11e) constituting each board are arranged vertically between the studs 10.

交流分電盤2は、主幹ブレーカ(交流主幹ブレーカ)21、複数の分岐ブレーカ(交流分岐ブレーカ)22をケース11a内に組み付けて構成されている。主幹ブレーカ21は、一次側に商用電源が接続され、二次側に複数の分岐ブレーカ22が接続され、分岐ブレーカ22の二次側には個々に分岐電路が接続され送出されている。
尚、図2において、各機器間の配線及び分岐電路は省略してある。
The AC distribution board 2 is configured by assembling a main breaker (AC main breaker) 21 and a plurality of branch breakers (AC branch breakers) 22 in the case 11a. In the main breaker 21, a commercial power supply is connected to the primary side, a plurality of branch breakers 22 are connected to the secondary side, and branch electric circuits are individually connected to the secondary side of the branch breaker 22 for transmission.
In FIG. 2, the wiring and the branch electric circuit between the devices are omitted.

AC/DC盤3は、ケース11bに交流/直流変換装置3aが収容されて構成され、交流分電盤2の直下に配置されている。そして、交流分電盤2の分岐電路の1つが接続されて交流電力が入力され、所定の電圧の直流電圧に変換されて直流分電盤4に出力される。例えば、48ボルトと比較的高電圧の直流が生成されて出力される。 The AC / DC board 3 is configured by accommodating an AC / DC conversion device 3a in a case 11b, and is arranged directly below the AC distribution board 2. Then, one of the branch electric circuits of the AC distribution board 2 is connected, AC power is input, converted into a DC voltage of a predetermined voltage, and output to the DC distribution board 4. For example, a direct current having a relatively high voltage of 48 volts is generated and output.

直流分電盤4は、直流主幹ブレーカ41、複数の直流分岐ブレーカ42がケース11c内に組み付けられて構成され、AC/DC盤3の直下に配置されている。直流主幹ブレーカ41は、一次側に交流/直流変換装置3aの出力が接続され、二次側に複数の直流分岐ブレーカ42が接続されている。そして、直流分岐ブレーカ42の二次側には個々に直流分岐電路(高圧直流分岐電路)が接続されて、図示しない直流負荷まで配設されている。 The DC distribution board 4 is configured by assembling a DC main breaker 41 and a plurality of DC branch breakers 42 in the case 11c, and is arranged directly below the AC / DC board 3. In the DC main breaker 41, the output of the AC / DC converter 3a is connected to the primary side, and a plurality of DC branch breakers 42 are connected to the secondary side. A DC branch electric circuit (high-voltage DC branch electric circuit) is individually connected to the secondary side of the DC branch breaker 42, and even a DC load (not shown) is arranged.

また、直流主幹ブレーカ41は直流地絡検出部44(図1に示す)を内蔵しており、直流地絡が発生したら遮断するよう構成されている。更に、45は直流電流計測部であり、直流主幹ブレーカ41に流れる直流電流を計測して、直流負荷全体で消費される電力を計測可能としている。 Further, the DC main breaker 41 has a built-in DC ground fault detection unit 44 (shown in FIG. 1), and is configured to shut off when a DC ground fault occurs. Further, reference numeral 45 denotes a DC current measuring unit, which can measure the DC current flowing through the DC main breaker 41 to measure the power consumed by the entire DC load.

また、この直流分電盤4には、図1に示すように外部に設置された蓄電池7が接続されており、直流分電盤4には直流主幹ブレーカ41の一次側に接続される電源を交流/直流変換装置3aの出力と蓄電池7との間で切り替える切替器43が設けられている。蓄電池7は、交流/直流変換装置3aが生成する直流電圧と同一の電圧を出力するよう構成されており、停電時に電力を供給するために設置されている。 Further, as shown in FIG. 1, a storage battery 7 installed outside is connected to the DC distribution board 4, and a power source connected to the primary side of the DC main breaker 41 is connected to the DC distribution board 4. A switch 43 for switching between the output of the AC / DC converter 3a and the storage battery 7 is provided. The storage battery 7 is configured to output the same voltage as the DC voltage generated by the AC / DC converter 3a, and is installed to supply electric power in the event of a power failure.

DC/DC盤5は、直流電圧変換装置5aを収容したケース11dに、複数の直流分岐ブレーカ52が組み付けられて構成され、直流分電盤4の直下に配置されている。直流電圧変換装置5aには、直流分電盤4の直流分岐電路の1つが接続され、交流/直流変換装置3aが生成する電圧より低い電圧(例えば12ボルト)の直流が生成されて出力され、この出力の先には複数の直流分岐ブレーカ52が接続されている。この直流分岐ブレーカ52の二次側には複数の直流分岐電路(低圧直流分岐電路)が接続されて、図示しない直流負荷まで配設されている。尚、直流分岐ブレーカ52は、直流分電盤4に組み付けられた直流分岐ブレーカ42と同一のものが使用できる。 The DC / DC board 5 is configured by assembling a plurality of DC branch breakers 52 into a case 11d accommodating a DC voltage converter 5a, and is arranged directly below the DC distribution board 4. One of the DC branch electric lines of the DC distribution board 4 is connected to the DC voltage converter 5a, and a DC having a voltage lower than the voltage generated by the AC / DC converter 3a (for example, 12 volts) is generated and output. A plurality of DC branch breakers 52 are connected to the end of this output. A plurality of DC branch electric circuits (low-voltage DC branch electric circuits) are connected to the secondary side of the DC branch breaker 52, and even a DC load (not shown) is arranged. As the DC branch breaker 52, the same one as the DC branch breaker 42 assembled on the DC distribution board 4 can be used.

DC/AC盤6は、直流/交流変換装置6aを収容したケース11eに、複数の分岐ブレーカ62が組み付けられて構成され、DC/DC盤5の直下に配置されている。直流/交流変換装置6aには、直流分電盤4の中の分岐電路の1つが接続されて、商用電源1に合わせた交流電力が生成されて出力され、分岐ブレーカ62を介して例えば避難路となる廊下の照明等の特定の負荷が接続された分岐電路に送出される。尚、分岐ブレーカ62は、交流分電盤2に組み付けられている分岐ブレーカ22と同一のものが使用できる。 The DC / AC board 6 is configured by assembling a plurality of branch breakers 62 into a case 11e accommodating a DC / AC converter 6a, and is arranged directly below the DC / DC board 5. One of the branch electric circuits in the DC distribution board 4 is connected to the DC / AC converter 6a, AC power corresponding to the commercial power source 1 is generated and output, and for example, an evacuation route is generated via the branch breaker 62. A specific load such as lighting in the corridor is sent to the connected branch electric circuit. As the branch breaker 62, the same one as the branch breaker 22 assembled to the AC distribution board 2 can be used.

そして、交流分電盤2のケース11a、AC/DC盤3のケース11b、直流分電盤3のケース11c、DC/DC盤5のケース11d、DC/AC盤6のケース11eは、何れも住戸の壁内に一定間隔で設けられている間柱10の間の距離に合わせた同一の幅(例えば40cm)で形成されている。また、何れのケース11も、ケース11前面を閉塞する蓋板(図示せず)が蝶着されており、壁面内に収納されたケース11を閉塞した状態で前面が周囲の壁面と略面一になるよう構成されている。 The case 11a of the AC distribution board 2, the case 11b of the AC / DC board 3, the case 11c of the DC distribution board 3, the case 11d of the DC / DC board 5, and the case 11e of the DC / AC board 6 are all included. It is formed with the same width (for example, 40 cm) according to the distance between the inter-columns 10 provided at regular intervals in the wall of the dwelling unit. Further, in each case 11, a lid plate (not shown) that closes the front surface of the case 11 is butterfly-attached, and the front surface is substantially flush with the surrounding wall surface in a state where the case 11 housed in the wall surface is closed. It is configured to be.

このように、間柱10の間に交流分電盤2、交流/直流変換装置3aを収容したケース11b、直流分電盤4とを縦に並べて設置できるため、従来のように全てのケース11を天井付近に横に並べて設置する必要が無くなり、作業性が大幅に改善できる。そして、間柱10の間、即ち壁面内に設置できるため、広い設置スペースを確保でき、設置スペースの確保に悩まなくて済む。また、壁面から突出することなく設置することが可能であり、高所に設置しなくても邪魔にならないよう設置できる。
更に、直流電圧変換装置5aを備えることで、2種類の電圧の直流分岐電路を配設でき、電圧の異なる直流機器に対応できるし、直流電圧変換装置5aを収納したケース11dも交流分電盤2等のケース11と同様に間柱10の間に配置でき、無理なく設置できる。
また、商用電源に停電が発生しても避難路の照明等の特定の交流機器に対して引き続き蓄電池7により電力を供給できるし、直流/交流変換装置6aも広い設置スペースを確保できる間柱10の間に収納でき、設置場所の確保に苦労することがない。
加えて、直流分電盤4は直流地絡検出部44及び直流電流計測部45を具備するため、生成した直流電圧が高電圧であっても安全に使用できるし、電力管理がし易い。
そして、各ケース11は同一の幅で作製されるため、共通する寸法でユニット化しやすく、交流/直流給電システムを複数のケース11で構成してもケース11の種類は数種類程度で済ますことが可能であり、製造コストを抑制できる。
In this way, the AC distribution board 2, the case 11b accommodating the AC / DC conversion device 3a, and the DC distribution board 4 can be installed vertically side by side between the studs 10, so that all the cases 11 can be installed as in the conventional case. It is no longer necessary to install them side by side near the ceiling, which can greatly improve workability. Since it can be installed between the studs 10, that is, in the wall surface, a wide installation space can be secured, and it is not necessary to worry about securing the installation space. In addition, it can be installed without protruding from the wall surface, and can be installed without getting in the way even if it is not installed in a high place.
Further, by providing the DC voltage converter 5a, it is possible to arrange DC branch electric circuits of two types of voltages, and it is possible to correspond to DC devices having different voltages, and the case 11d containing the DC voltage converter 5a is also an AC distribution panel. It can be arranged between the inter-columns 10 like the case 11 of the second class, and can be installed without difficulty.
Further, even if a power failure occurs in the commercial power source, power can be continuously supplied by the storage battery 7 to a specific AC device such as an evacuation route lighting, and the DC / AC conversion device 6a can also secure a large installation space of the stud 10. It can be stored in between, and there is no difficulty in securing an installation location.
In addition, since the DC distribution board 4 includes a DC ground fault detection unit 44 and a DC current measurement unit 45, it can be safely used even if the generated DC voltage is a high voltage, and power management is easy.
Since each case 11 is manufactured with the same width, it is easy to unitize with common dimensions, and even if the AC / DC power supply system is composed of a plurality of cases 11, only a few types of cases 11 can be used. Therefore, the manufacturing cost can be suppressed.

尚、上記実施形態では、交流/直流変換装置3aを独立したケース11bに収納しているが、直流分電盤4と共通するケースに収納しても良い。 In the above embodiment, the AC / DC converter 3a is housed in the independent case 11b, but it may be housed in the same case as the DC distribution board 4.

1・・商用電源(商用電力)、2・・交流分電盤、3・・AC/DC盤、3a・・交流/直流変換装置、4・・直流分電盤、5・・DC/DC盤、5a・・直流電圧変換装置、6・・DC/AC盤、6a・・直流/交流変換装置、10・・間柱、11(11a〜11e)・・ケース、21・・主幹ブレーカ、22・・分岐ブレーカ、41・・直流主幹ブレーカ、42・・直流分岐ブレーカ、44・・直流地絡検出部、45・・直流電流計測部、52・・直流分岐ブレーカ、62・・分岐ブレーカ。 1 ... Commercial power supply (commercial power), 2 ... AC distribution board, 3 ... AC / DC board, 3a ... AC / DC converter, 4 ... DC distribution board, 5 ... DC / DC board , 5a ... DC voltage converter, 6 ... DC / AC board, 6a ... DC / AC converter, 10 ... Interpost, 11 (11a-11e) ... Case, 21 ... Main breaker, 22 ... Branch breaker, 41 ... DC main breaker, 42 ... DC branch breaker, 44 ... DC ground fault detector, 45 ... DC current measurement unit, 52 ... DC branch breaker, 62 ... Branch breaker.

Claims (4)

引き込んだ商用電力を分岐するために複数の分岐ブレーカが組み付けられた交流分電盤と、前記商用電力から直流電力を生成する交流/直流変換装置と、前記交流/直流変換装置で生成された直流電力を分岐するために複数の直流分岐ブレーカが組み付けられた直流分電盤とを備えた交流/直流給電システムであって、
前記交流分電盤のケース、前記交流/直流変換装置のケース、及び前記直流分電盤のケースは、住戸の壁内に配置された間柱の間隔に合わせた同一の幅で形成され、同一の間柱間に縦に並べて設置可能としたことを特徴とする交流/直流給電システム。
An AC distribution board to which a plurality of branch breakers are assembled to branch the drawn commercial power, an AC / DC conversion device that generates DC power from the commercial power, and a DC generated by the AC / DC conversion device. An AC / DC power supply system equipped with a DC distribution board to which multiple DC branch breakers are assembled to split power.
The case of the AC distribution board, the case of the AC / DC converter, and the case of the DC distribution board are formed with the same width according to the distance between the studs arranged in the wall of the dwelling unit, and are the same. An AC / DC power supply system that can be installed vertically between studs.
前記交流/直流変換装置で変換された直流電力を電圧の異なる直流電力に変換する直流電圧変換装置を具備し、
当該直流電圧変換装置も、前記直流電圧変換装置で変換された直流電力を分岐する直流分岐ブレーカと共に、間柱の間隔に合わせた幅の前記ケースと同一幅のケースに収納されて成ることを特徴とする請求項1記載の交流/直流給電システム。
A DC voltage converter for converting DC power converted by the AC / DC converter into DC power having a different voltage is provided.
The DC voltage converter is also characterized in that it is housed in a case having the same width as the case having a width matching the distance between the columns, together with a DC branch breaker that branches the DC power converted by the DC voltage converter. The AC / DC power supply system according to claim 1.
前記直流分電盤には、前記交流/直流変換装置で生成された直流電力と切り替えて電源として使用可能な蓄電池が接続されると共に、
前記直流分電盤の分岐電路から電力供給されて、前記商用電力に合わせた交流電力を生成する直流/交流変換装置を有し、
当該直流/交流変換装置も、間柱の間隔に合わせた幅の前記ケースと同一幅のケースに収納されて成ることを特徴とする請求項1又は2記載の交流/直流給電システム。
A storage battery that can be used as a power source by switching to the DC power generated by the AC / DC conversion device is connected to the DC distribution board.
It has a DC / AC conversion device that is supplied with power from a branch circuit of the DC distribution board and generates AC power that matches the commercial power.
The AC / DC power supply system according to claim 1 or 2, wherein the DC / AC conversion device is also housed in a case having the same width as the case having a width adjusted to the distance between studs.
前記直流分電盤は、直流地絡検出部及び直流電流計測部を具備して成ることを特徴とする請求項1乃至3の何れかに記載の交流/直流給電システム。 The AC / DC power supply system according to any one of claims 1 to 3, wherein the DC distribution board includes a DC ground fault detecting unit and a DC current measuring unit.
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