JPH0268632U - - Google Patents
Info
- Publication number
- JPH0268632U JPH0268632U JP14489788U JP14489788U JPH0268632U JP H0268632 U JPH0268632 U JP H0268632U JP 14489788 U JP14489788 U JP 14489788U JP 14489788 U JP14489788 U JP 14489788U JP H0268632 U JPH0268632 U JP H0268632U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- solar
- solar cell
- series
- parallel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003491 array Methods 0.000 claims 2
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 2
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図は第１図内の逆流防止ダイオードが非導通の
ときの絶縁抵抗の状態を示す説明図、第３図は従
来の太陽電池電源装置を示す構成図、第４図は第
３図の地絡検出動作を１つの直列回路に注目して
説明するための構成図、第５図は第３図内の逆流
防止ダイオードが非導通のときの絶縁抵抗の状態
を示す説明図である。
１……太陽電池アレイ、１Ａ……第１の直列回
路群、１Ｂ……第２の直列回路群、３Ａ，３Ｂ…
…逆流防止ダイオード、４……バツテリ、６〜８
……抵抗器、９……地絡検出リレー、Ｓ１１〜Ｓ
ｍｎ……太陽電池モジユール。尚、図中、同一符
号は同一又は相当部分を示す。
Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2 is an explanatory diagram showing the state of insulation resistance when the backflow prevention diode in Figure 1 is non-conducting, and Figure 3 is a diagram of a conventional solar cell. A configuration diagram showing the power supply device. Figure 4 is a configuration diagram to explain the ground fault detection operation in Figure 3 by focusing on one series circuit. Figure 5 is a configuration diagram when the backflow prevention diode in Figure 3 is non-conducting. It is an explanatory view showing the state of insulation resistance at the time. 1... Solar cell array, 1A... First series circuit group, 1B... Second series circuit group, 3A, 3B...
...Backflow prevention diode, 4...Battery, 6-8
...Resistor, 9...Ground fault detection relay, S11 ~S
mn...Solar cell module. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
の直列回路の並列接続からなる太陽電池アレイと
、前記直列回路に接続された複数の逆流防止ダイ
オードと、これら逆流防止ダイオードを介して前
記太陽電池アレイの両端間に接続されたバツテリ
と、このバツテリの両端の直流母線間に接続され
た中性点接地用の抵抗器と、この抵抗器とグラン
ドとの間に接続された地絡検出リレーとを備えた
太陽電池電源装置において、前記太陽電池アレイ
を互いにほぼ等しい並列数からなる第１及び第２
の直列回路群で構成し、前記逆流防止ダイオード
を、前記第１の直列回路群に対しては正極側、前
記第２の直列回路群に対しては負極側にそれぞれ
挿入したことを特徴とする太陽電池電源装置。 A solar cell array consisting of a plurality of solar cell modules connected in series and parallel and a plurality of series circuits connected in parallel, a plurality of backflow prevention diodes connected to the series circuits, and a plurality of backflow prevention diodes connected to the solar cell array It includes a battery connected between both ends, a neutral point grounding resistor connected between the DC bus bars at both ends of the battery, and a ground fault detection relay connected between this resistor and ground. In the solar battery power supply device, the solar battery array is connected to first and second solar battery arrays each having a substantially equal number of parallel arrays.
It is characterized in that the reverse current prevention diode is inserted on the positive side for the first series circuit group and on the negative side for the second series circuit group. Solar power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14489788U JPH0268632U (en) | 1988-11-08 | 1988-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14489788U JPH0268632U (en) | 1988-11-08 | 1988-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268632U true JPH0268632U (en) | 1990-05-24 |
Family
ID=31413010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14489788U Pending JPH0268632U (en) | 1988-11-08 | 1988-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268632U (en) |
-
1988
- 1988-11-08 JP JP14489788U patent/JPH0268632U/ja active Pending
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