close
Warning:
Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_repos.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.
- Timestamp:
-
Jan 18, 2010, 10:20:27 PM (16 years ago)
- Author:
-
jazz
- Comment:
-
--
Legend:
- Unmodified
- Added
- Removed
- Modified
-
|
v11
|
v12
|
|
| 5 | 5 | == Smart Grid == |
| 6 | 6 | |
| 7 | | * [智慧電網] |
| 8 | | * 原本 2010-01-14 買錯,買成 Current Transformer [ JC10F] 韓製 80A 3000:1 φ10mm 夾式電流感測器(NTD. 478),只能把 80 Aac 轉成 27 mAac。(交流電流轉交流電流) |
| | 7 | * [智慧電網] 在 wade 的堅持下,看過他用橋式整流把交流電流轉直流電壓,看起來跟 JC10F50-V 很像,便採購了一顆 JC10F50-V ,總算完成用 Arduino 讀取電腦教室三相電盤的初步任務。 |
| | 8 | * 原本 2010-01-14 買錯,買成 Current Transformer [http://shop.cpu.com.tw/product-252_476_1984-35077.html JC10F] 韓製 80A 3000:1 φ10mm 夾式電流感測器(NTD. 478),只能把 80 Aac 轉成 27 mAac。(交流電流轉交流電流) |
| 9 | 9 | * 改採購 Current Transducer [http://shop.cpu.com.tw/product-252_476_1984-35101.html JC10F50-V] 韓製 50Arms 6.2KΩ φ10mm 夾式電流感測器 (50 Aac / 0-5 Vdc)(NTD. 1,195)就可以做到 50 Aac 轉 5 Vdc (交流電流轉直流電壓) |
| 10 | 10 | * JC10F50-V 的電路圖:Current Transformer + 橋式整流 + RC 電路 + ?? |