Nay Yaung Solar & Electric

Nay Yaung Solar & Electric Solar & Electrical Control System in Myanmar

Solar, Inverter, Battery & Accessories
Chint Electrical Products
INVT inverters
Uni T multi meters
Schneider
แ€œแ€ปแ€พแ€•แ€บแ€…แ€…แ€บแ€•แ€…แ€นแ€…แ€Šแ€บแ€ธแ€™แ€ปแ€ญแ€ฏแ€ธแ€…แ€ฏแ€ถ

08/08/2026
Nay Yaung Solar & Electric แ€›แ€ฒแ€ท แ€œแ€ฑแ€ธแ€…แ€ฌแ€ธแ€›แ€•แ€ซแ€žแ€ฑแ€ฌ Customers แ€™แ€ปแ€ฌแ€ธแ€แ€„แ€บแ€—แ€ปแ€ฌ Growatt Inverters แ€™แ€ปแ€ฌแ€ธแ€แ€ฝแ€„แ€บ แ€œแ€แ€บแ€แ€œแ€ฑแ€ฌ แ€–แ€ผแ€…แ€บแ€•แ€ฑแ€ซแ€บแ€”แ€ฑแ€žแ€ฑแ€ฌ proble...
23/05/2026

Nay Yaung Solar & Electric แ€›แ€ฒแ€ท แ€œแ€ฑแ€ธแ€…แ€ฌแ€ธแ€›แ€•แ€ซแ€žแ€ฑแ€ฌ Customers แ€™แ€ปแ€ฌแ€ธแ€แ€„แ€บแ€—แ€ปแ€ฌ Growatt Inverters แ€™แ€ปแ€ฌแ€ธแ€แ€ฝแ€„แ€บ แ€œแ€แ€บแ€แ€œแ€ฑแ€ฌ แ€–แ€ผแ€…แ€บแ€•แ€ฑแ€ซแ€บแ€”แ€ฑแ€žแ€ฑแ€ฌ problem แ€กแ€แ€ฝแ€€แ€บ แ€–แ€ผแ€ฑแ€›แ€พแ€„แ€บแ€ธแ€›แ€”แ€บ แ€”แ€Šแ€บแ€ธแ€œแ€™แ€บแ€ธแ€œแ€ฑแ€ธแ€€แ€ญแ€ฏ แ€™แ€ปแ€พแ€แ€ฑแ€•แ€ฑแ€ธแ€‘แ€ฌแ€ธแ€•แ€ซแ€แ€šแ€บ
แ€กแ€…แ€‰แ€บแ€แ€…แ€ญแ€ฏแ€€แ€บ แ€กแ€ฌแ€ธแ€•แ€ฑแ€ธแ€แ€ฒแ€ท customers แ€กแ€ฌแ€ธแ€œแ€ฏแ€ถแ€ธแ€€แ€ญแ€ฏ แ€€แ€ปแ€ฑแ€ธแ€‡แ€ฐแ€ธ แ€กแ€‘แ€ฐแ€ธแ€แ€„แ€บแ€›แ€พแ€ญแ€•แ€ซแ€แ€šแ€บ แ€แ€„แ€บแ€—แ€ปแ€ฌ

26/08/2025

Part 4

26/08/2025

Part 3

24/08/2025
24/08/2025

๐ŸŒž แ€™แ€„แ€บแ€นแ€‚แ€œแ€ฌแ€•แ€ซแ€†แ€ญแ€ฏแ€œแ€ฌแ€œแ€ฑแ€ฌแ€€แ€žแ€ฐแ€„แ€šแ€บแ€แ€ปแ€„แ€บแ€ธแ€™แ€ปแ€ฌแ€ธแ€›แ€ฑ!
แ€กแ€•แ€แ€บแ€…แ€‰แ€บ แ€†แ€ญแ€ฏแ€œแ€ฌแ€œแ€ฑแ€ฌแ€€แ€…แ€€แ€ฌแ€ธแ€…แ€™แ€ผแ€Šแ€บ ๐๐ซ๐จ๐ ๐ซ๐š๐ฆ แ ๐„๐ฉ๐ข๐ฌ๐จ๐๐ž ๐Ÿ” แ€€โ€Œแ€”แ€ฑแ€•แ€ผแ€”แ€บแ€œแ€Šแ€บแ€€แ€ผแ€ญแ€ฏแ€†แ€ญแ€ฏแ€œแ€ญแ€ฏแ€€แ€บแ€•แ€ซแ€แ€šแ€บ! โœจ

แ€’แ€ฎแ€กแ€•แ€แ€บแ€™แ€พแ€ฌแ€แ€ฑแ€ฌแ€ท "แ€’แ€ฑแ€ซแ€€แ€บแ€แ€ฌแ€”แ€พแ€„แ€ทแ€บ แ€†แ€ญแ€ฏแ€œแ€ฌแ€œแ€ฑแ€ฌแ€€ แ€€แ€ปแ€”แ€บแ€ธแ€™แ€ฌแ€›แ€ฑแ€ธ" แ€†แ€ญแ€ฏแ€แ€ฒแ€ทแ€แ€ฑแ€ซแ€„แ€บแ€ธแ€…แ€‰แ€บแ€”แ€ฒแ€ท แ€กแ€แ€ฐ แ€กแ€€แ€ผแ€ถแ€•แ€ฑแ€ธแ€แ€ปแ€€แ€บแ€แ€ฝแ€ฑแ€”แ€ฒแ€ท แ€”แ€Šแ€บแ€ธแ€•แ€Šแ€ฌแ€žแ€…แ€บแ€แ€ฝแ€ฑแ€€แ€ญแ€ฏ แ€™แ€ผแ€„แ€บแ€แ€ฝแ€ฑแ€ทแ€›แ€™แ€พแ€ฌแ€•แ€ฒแ€–แ€ผแ€…แ€บแ€•แ€ซแ€แ€šแ€บแ‹

๐Ÿ“… แ€›แ€€แ€บแ€…แ€ฝแ€ฒ โ€“ แ‚แƒ.แˆ.แ‚แ€แ‚แ… (แ€…แ€”แ€ฑแ€”แ€ฑแ€ท)
๐Ÿ•‘ แ€กแ€แ€ปแ€ญแ€”แ€บ โ€“ แ€”แ€ฑแ€ทแ€œแ€Šแ€บ แ‚:แ€แ€ แ€”แ€ฌแ€›แ€ฎ
๐Ÿ“ แ€”แ€ฑแ€›แ€ฌ โ€“ แ€†แ€ญแ€ฏแ€œแ€ฌแ€œแ€ฑแ€ฌแ€€แ€…แ€€แ€ฌแ€ธแ€…แ€™แ€ผแ€Šแ€บ ๐Ž๐Ÿ๐Ÿ๐ข๐œ๐ข๐š๐ฅ ๐…๐š๐œ๐ž๐›๐จ๐จ๐ค ๐๐š๐ ๐ž (๐‹๐ˆ๐•๐„)
โžก๏ธhttps://www.facebook.com/share/1CVyKFAT2j/

๐ŸŽ™ แ€†แ€ฝแ€ฑแ€ธแ€”แ€ฝแ€ฑแ€ธแ€ฆแ€ธแ€†แ€ฑแ€ฌแ€„แ€บแ€™แ€Šแ€ทแ€บแ€†แ€›แ€ฌแ€™แ€ปแ€ฌแ€ธ
๐Ÿ”น ๐ƒ๐ซ. ๐” ๐–๐ข๐ง๐˜๐ž ๐Š๐ก๐š๐ข๐ง๐  โ€“ ๐‚๐…๐Ž, ๐†๐ซ๐ž๐š๐ญ ๐”๐ง๐ข๐ญ๐ž๐ ๐†๐ซ๐ž๐ž๐ง ๐„๐ง๐ž๐ซ๐ ๐ฒ ๐‚๐จ., ๐‹๐ญ๐
๐Ÿ”น ๐” ๐€๐ฎ๐ง๐  ๐Œ๐ฒ๐จ ๐–๐š๐ข โ€“ ๐…๐จ๐ฎ๐ง๐๐ž๐ซ & ๐‚๐„๐Ž, ๐†๐ซ๐ž๐š๐ญ ๐”๐ง๐ข๐ญ๐ž๐ ๐†๐ซ๐ž๐ž๐ง ๐„๐ง๐ž๐ซ๐ ๐ฒ ๐‚๐จ., ๐‹๐ญ๐

๐Ÿ’กแ€†แ€ญแ€ฏแ€œแ€ฌแ€…แ€ฝแ€™แ€บแ€ธแ€กแ€„แ€บแ€”แ€ฒแ€ท แ€€แ€ปแ€”แ€บแ€ธแ€™แ€ฌแ€›แ€ฑแ€ธแ€†แ€ญแ€ฏแ€„แ€บแ€›แ€ฌ แ€กแ€€แ€ปแ€ญแ€ฏแ€ธแ€€แ€ปแ€ฑแ€ธแ€‡แ€ฐแ€ธแ€™แ€ปแ€ฌแ€ธ

๐Ÿ’กแ€”แ€Šแ€บแ€ธแ€•แ€Šแ€ฌแ€กแ€žแ€…แ€บแ€™แ€ปแ€ฌแ€ธแ€”แ€พแ€„แ€ทแ€บ แ€•แ€แ€บแ€žแ€€แ€บแ€•แ€ผแ€ฎแ€ธ แ€กแ€€แ€ผแ€ถแ€ฅแ€ฌแ€แ€บแ€™แ€ปแ€ฌแ€ธ

๐Ÿ’กแ€žแ€„แ€ทแ€บแ€”แ€ฑแ€ทแ€…แ€‰แ€บแ€˜แ€แ€™แ€พแ€ฌ แ€กแ€œแ€ฝแ€šแ€บแ€แ€€แ€ฐ แ€œแ€€แ€บแ€แ€ฝแ€ฑแ€ทแ€กแ€žแ€ฏแ€ถแ€ธแ€แ€ปแ€”แ€ญแ€ฏแ€„แ€บแ€žแ€Šแ€ทแ€บ แ€”แ€Šแ€บแ€ธแ€œแ€™แ€บแ€ธแ€™แ€ปแ€ฌแ€ธแ€€แ€ญแ€ฏ แ€†แ€ญแ€ฏแ€œแ€ฌแ€œแ€ฑแ€ฌแ€€ แ€€แ€ปแ€”แ€บแ€ธแ€™แ€ฌแ€›แ€ฑแ€ธแ€†แ€ญแ€ฏแ€แ€ฒแ€ท แ€แ€ฑแ€ซแ€„แ€บแ€ธโ€‹แ€…แ€‰แ€บแ€”แ€ฒแ€ทแ€กแ€แ€ฐแ€žแ€ญแ€›แ€™แ€Šแ€ทแ€บแ€กแ€แ€ปแ€€แ€บแ€™แ€ปแ€ฌแ€ธแ€€แ€ญแ€ฏ แ€†แ€›แ€ฌแ€”แ€พแ€…แ€บแ€ฆแ€ธแ€€ แ€˜แ€šแ€บแ€œแ€ญแ€ฏแ€™แ€ปแ€ญแ€ฏแ€ธแ€…แ€ญแ€แ€บแ€แ€„แ€บแ€…แ€ฌแ€ธแ€–แ€ฝแ€šแ€บแ€€แ€ฑแ€ฌแ€„แ€บแ€ธแ€กแ€ฑแ€ฌ แ€†แ€ฝแ€ฑแ€ธแ€”แ€ฝแ€ฑแ€ธแ€žแ€ฝแ€ฌแ€ธแ€€แ€ผแ€™แ€œแ€ฒ แ€†แ€ญแ€ฏแ€แ€ฌแ€žแ€ญแ€แ€ปแ€„แ€บแ€›แ€„แ€บแ€แ€ฑแ€ฌแ€ท แ€กแ€…แ€ฎแ€กแ€…แ€‰แ€บแ€œแ€ฑแ€ธแ€€แ€ญแ€ฏแ€…แ€ฑแ€ฌแ€„แ€ทแ€บแ€™แ€ปแ€พแ€ฑแ€ฌแ€บแ€€แ€ผแ€Šแ€ทแ€บแ€›แ€ฐแ€ทแ€–แ€ญแ€ฏแ€ทแ€™แ€™แ€ฑแ€ทแ€€แ€ผแ€”แ€ฒแ€”แ€ฑแ€ฌแ€บ!

๐Ÿ”ฎแ€’แ€ฎแ€กแ€…แ€ฎแ€กแ€…แ€‰แ€บแ€™แ€พแ€ฌ แ€™แ€ฑแ€ธแ€แ€ฝแ€”แ€บแ€ธแ€™แ€ปแ€ฌแ€ธแ€€แ€ญแ€ฏแ€œแ€ฒแ€™แ€ฑแ€ธแ€™แ€ผแ€”แ€บแ€ธแ€”แ€ญแ€ฏแ€„แ€บแ€•แ€ผแ€ฎแ€ธ แ€กแ€€แ€ผแ€ถแ€‰แ€ฌแ€แ€บแ€™แ€ปแ€ฌแ€ธแ€€แ€ญแ€ฏแ€œแ€Šแ€บแ€ธ แ€กแ€แ€ฐแ€แ€ฐแ€™แ€ปแ€พแ€แ€ฑแ€€แ€ผแ€›แ€กแ€ฑแ€ฌแ€„แ€บ!๐ŸŽ–๏ธ

#๐’๐จ๐ฅ๐š๐ซ๐”๐ง๐ข๐ฏ๐ž๐ซ๐ฌ๐ž
#๐’๐จ๐ฅ๐š๐ซ๐“๐š๐ฅ๐ค๐ฌ
#๐‹๐ข๐ฏ๐ž๐ƒ๐ข๐ฌ๐œ๐ฎ๐ฌ๐ฌ๐ข๐จ๐ง
#๐†๐ซ๐ž๐ž๐ง๐„๐ง๐ž๐ซ๐ ๐ฒ
#๐‡๐ž๐š๐ฅ๐ญ๐ก๐“๐ž๐œ๐ก
#๐ˆ๐ง๐ง๐จ๐ฏ๐š๐ญ๐ข๐จ๐ง
#แ€†แ€ญแ€ฏแ€œแ€ฌแ€œแ€ฑแ€ฌแ€€แ€…แ€€แ€ฌแ€ธแ€…แ€™แ€ผแ€Šแ€บ
#๐’๐จ๐ฅ๐š๐ซ๐“๐š๐ฅ๐ค๐’๐ก๐จ๐ฐ
#๐†๐ซ๐ž๐š๐ญ๐”๐ง๐ข๐ญ๐ž๐๐†๐ซ๐ž๐ž๐ง๐„๐ง๐ž๐ซ๐ ๐ฒ
#แ€œแ€šแ€บแ€šแ€ฌแ€”แ€ฒแ€ทแ€†แ€ญแ€ฏแ€œแ€ฌ

แ€†แ€›แ€ฌแ€ฆแ€ธแ€แ€„แ€บแ€€แ€ผแ€Šแ€บ (แ†แ‰ แ€”แ€พแ€…แ€บ) (EI แ€•แ€ฒแ€แ€ฐแ€ธ) 6.8.2025 แ€”แ€ฑแ€ทแ€แ€ฝแ€„แ€บ แ€€แ€ฝแ€šแ€บแ€œแ€ฝแ€”แ€บแ€žแ€ฝแ€ฌแ€ธแ€•แ€ซแ€žแ€–แ€ผแ€„แ€ทแ€บ แ€™แ€ญแ€žแ€ฌแ€ธแ€…แ€ฏแ€”แ€พแ€„แ€บแ€ท แ€‘แ€•แ€บแ€แ€ฐ แ€แ€™แ€บแ€ธแ€”แ€Šแ€บแ€ธแ€€แ€ผแ€ฑแ€€แ€ฝแ€ฒแ€›แ€•แ€ซแ€แ€šแ€บ.... แ€กแ€œแ€ฝแ€”...
08/08/2025

แ€†แ€›แ€ฌแ€ฆแ€ธแ€แ€„แ€บแ€€แ€ผแ€Šแ€บ (แ†แ‰ แ€”แ€พแ€…แ€บ) (EI แ€•แ€ฒแ€แ€ฐแ€ธ) 6.8.2025 แ€”แ€ฑแ€ทแ€แ€ฝแ€„แ€บ แ€€แ€ฝแ€šแ€บแ€œแ€ฝแ€”แ€บแ€žแ€ฝแ€ฌแ€ธแ€•แ€ซแ€žแ€–แ€ผแ€„แ€ทแ€บ แ€™แ€ญแ€žแ€ฌแ€ธแ€…แ€ฏแ€”แ€พแ€„แ€บแ€ท แ€‘แ€•แ€บแ€แ€ฐ แ€แ€™แ€บแ€ธแ€”แ€Šแ€บแ€ธแ€€แ€ผแ€ฑแ€€แ€ฝแ€ฒแ€›แ€•แ€ซแ€แ€šแ€บ.... แ€กแ€œแ€ฝแ€”แ€บแ€แ€”แ€บแ€–แ€ญแ€ฏแ€ธแ€›แ€พแ€ญแ€žแ€ฑแ€ฌ แ€†แ€›แ€ฌแ€žแ€™แ€ฌแ€ธแ€แ€…แ€บแ€šแ€ฑแ€ฌแ€€แ€บแ€†แ€ฏแ€ถแ€ธแ€›แ€พแ€ฏแ€ถแ€ธแ€›แ€žแ€Šแ€ทแ€บแ€กแ€แ€ฝแ€€แ€บแ€œแ€Šแ€บแ€ธ แ€กแ€œแ€ฝแ€”แ€บแ€•แ€„แ€บ แ€”แ€พแ€™แ€ผแ€พแ€ฑแ€ฌแ€แ€ž แ€™แ€ญแ€•แ€ซแ€แ€šแ€บ.... แ€…แ€ญแ€แ€บแ€‘แ€ฌแ€ธแ€€แ€ฑแ€ฌแ€„แ€บแ€ธแ€•แ€ผแ€ฎแ€ธ แ€กแ€ฌแ€ธแ€œแ€ฏแ€ถแ€ธแ€€แ€ญแ€ฏแ€€แ€ฐแ€Šแ€ฎแ€•แ€ฑแ€ธแ€แ€แ€บแ€แ€ฒแ€ท แ€†แ€›แ€ฌแ€ฆแ€ฎแ€ธแ€แ€„แ€บแ€€แ€ผแ€Šแ€บ แ€€แ€ฑแ€ฌแ€„แ€บแ€ธแ€›แ€ฌ แ€˜แ€ฏแ€ถแ€˜แ€แ€›แ€ฑแ€ฌแ€€แ€บแ€™แ€šแ€บแ€œแ€ญแ€ฏแ€ท... แ€šแ€ฏแ€ถแ€€แ€ผแ€Šแ€บแ€•แ€ซแ€แ€šแ€บ......

๐Ÿ”ฅ SPD แ€แ€ฝแ€ฑแ€€แ€ผแ€ฑแ€ฌแ€„แ€ทแ€บ แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€แ€ฌแ€แ€ฝแ€ฑ แ€กแ€™แ€ปแ€ฌแ€ธแ€€แ€ผแ€ฎแ€ธแ€แ€ฝแ€ฑแ€ทแ€”แ€ฑแ€›แ€แ€šแ€บแ‹ แ€˜แ€ฌแ€€แ€ผแ€ฑแ€ฌแ€„แ€ทแ€บแ€•แ€ซแ€œแ€ฒ? ๐Ÿ”ฅ๐Ÿ”ฅ SPD (Surge Protective Device) แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€™แ€พแ€ฏแ€™แ€ปแ€ฌแ€ธ แ€›แ€พแ€ญแ€œ...
25/07/2025

๐Ÿ”ฅ SPD แ€แ€ฝแ€ฑแ€€แ€ผแ€ฑแ€ฌแ€„แ€ทแ€บ แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€แ€ฌแ€แ€ฝแ€ฑ แ€กแ€™แ€ปแ€ฌแ€ธแ€€แ€ผแ€ฎแ€ธแ€แ€ฝแ€ฑแ€ทแ€”แ€ฑแ€›แ€แ€šแ€บแ‹ แ€˜แ€ฌแ€€แ€ผแ€ฑแ€ฌแ€„แ€ทแ€บแ€•แ€ซแ€œแ€ฒ? ๐Ÿ”ฅ

๐Ÿ”ฅ SPD (Surge Protective Device) แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€™แ€พแ€ฏแ€™แ€ปแ€ฌแ€ธ แ€›แ€พแ€ญแ€œแ€ฌแ€แ€ฌแ€Ÿแ€ฌ แ€กแ€€แ€ผแ€ฑแ€ฌแ€„แ€บแ€ธแ€กแ€›แ€„แ€บแ€ธแ€กแ€™แ€ปแ€ฌแ€ธแ€€แ€ผแ€ฎแ€ธแ€›แ€พแ€ญแ€•แ€ซแ€แ€šแ€บแ‹ แ€กแ€“แ€ญแ€€แ€€แ€แ€ฑแ€ฌแ€ท installation error, SPD quality แ€™แ€€แ€ฑแ€ฌแ€„แ€บแ€ธแ€แ€ผแ€„แ€บแ€ธ, แ€”แ€ฒแ€ท voltage spike แ€™แ€ปแ€ฌแ€ธแ€€แ€ญแ€ฏ แ€™แ€แ€ฑแ€ฌแ€บแ€แ€†แ€แ€ถแ€›แ€แ€ผแ€„แ€บแ€ธ แ€–แ€ผแ€…แ€บแ€•แ€ซแ€แ€šแ€บแ‹ แ€กแ€ฑแ€ฌแ€€แ€บแ€™แ€พแ€ฌ แ€กแ€€แ€ผแ€ฑแ€ฌแ€„แ€บแ€ธแ€กแ€›แ€„แ€บแ€ธแ€แ€ฝแ€ฑแ€€แ€ญแ€ฏ แ€–แ€ฑแ€ฌแ€บแ€•แ€ผแ€‘แ€ฌแ€ธแ€•แ€ซแ€แ€šแ€บแ‹
โš ๏ธ แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€™แ€พแ€ฏแ€–แ€ผแ€…แ€บแ€…แ€ฑแ€”แ€ญแ€ฏแ€„แ€บแ€แ€ฒแ€ท แ€กแ€“แ€ญแ€€แ€กแ€€แ€ผแ€ฑแ€ฌแ€„แ€บแ€ธแ€กแ€›แ€„แ€บแ€ธแ€™แ€ปแ€ฌแ€ธ
- Overvoltage (TOV โ€“ Temporary Overvoltage)
SPD แ€›แ€ฒแ€ท MCOV (Maximum Continuous Operating Voltage) แ€‘แ€€แ€บ voltage แ€แ€€แ€บแ€žแ€ฝแ€ฌแ€ธแ€แ€ฒแ€ทแ€กแ€แ€ซ MOV (Metal Oxide Varistor) แ€แ€ฝแ€ฑ overheat แ€–แ€ผแ€…แ€บแ€•แ€ผแ€ฎแ€ธ แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€”แ€ญแ€ฏแ€„แ€บแ€•แ€ซแ€แ€šแ€บใ€‚
- Repeated Surge Exposure
SPD แ€แ€…แ€บแ€แ€ฏแ€Ÿแ€ฌ surge current rating แ€‘แ€€แ€บแ€•แ€ญแ€ฏแ€แ€ฒแ€ท current แ€€แ€ญแ€ฏ แ€™แ€€แ€ผแ€ฌแ€แ€แ€แ€ถแ€›แ€แ€ฒแ€ทแ€กแ€แ€ซ MOV degrade แ€–แ€ผแ€…แ€บแ€•แ€ผแ€ฎแ€ธ thermal runaway แ€–แ€ผแ€…แ€บแ€”แ€ญแ€ฏแ€„แ€บแ€•แ€ซแ€แ€šแ€บแ‹
- Installation Error
- SPD แ€€แ€ญแ€ฏ fuse แ€”แ€ฒแ€ท breaker แ€™แ€แ€ถแ€‘แ€ฌแ€ธแ€˜แ€ฒ แ€แ€ญแ€ฏแ€€แ€บแ€›แ€ญแ€ฏแ€€แ€บแ€แ€ปแ€ญแ€แ€บแ€‘แ€ฌแ€ธแ€แ€ผแ€„แ€บแ€ธ
- Grounding แ€™แ€€แ€ฑแ€ฌแ€„แ€บแ€ธแ€แ€ผแ€„แ€บแ€ธ
- SPD แ€€แ€ญแ€ฏ panel แ€™แ€พแ€ฌแ€”แ€ฑแ€ฌแ€€แ€บแ€†แ€ฏแ€ถแ€ธแ€™แ€พแ€ฌแ€™แ€แ€ปแ€ญแ€แ€บแ€˜แ€ฒ PV panel แ€”แ€ฒแ€ท inverter แ€€แ€ผแ€ฌแ€ธแ€™แ€พแ€ฌแ€แ€ปแ€ญแ€แ€บแ€‘แ€ฌแ€ธแ€แ€ผแ€„แ€บแ€ธ (แ€žแ€ฏแ€ถแ€ธแ€…แ€ฝแ€ฒแ€žแ€ฐแ€แ€…แ€บแ€ฆแ€ธแ€€ แ€’แ€ฎแ€กแ€™แ€พแ€ฌแ€ธแ€€แ€ผแ€ฑแ€ฌแ€„แ€ทแ€บ distribution box แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€แ€ฒแ€ทแ€•แ€ซแ€แ€šแ€บ)
- Poor Quality SPD
Certification แ€™แ€›แ€พแ€ญแ€แ€ฒแ€ท SPD แ€แ€ฝแ€ฑแ€™แ€พแ€ฌ thermal disconnector แ€™แ€•แ€ซแ€˜แ€ฒ MOV degrade แ€–แ€ผแ€…แ€บแ€แ€ฒแ€ทแ€กแ€แ€ซ แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€”แ€ญแ€ฏแ€„แ€บแ€•แ€ซแ€แ€šแ€บแ‹
- SPD Failure Mode โ€“ Short Circuit
SPD fail แ€–แ€ผแ€…แ€บแ€แ€ฒแ€ทแ€กแ€แ€ซ short-circuit แ€–แ€ผแ€…แ€บแ€•แ€ผแ€ฎแ€ธ current flow แ€™แ€‘แ€ญแ€”แ€บแ€ธแ€”แ€ญแ€ฏแ€„แ€บแ€แ€ฒแ€ทแ€กแ€แ€ซ แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€”แ€ญแ€ฏแ€„แ€บแ€•แ€ซแ€แ€šแ€บแ‹
IEC 61643-11 standard แ€กแ€› SPD แ€แ€ฝแ€ฑแ€Ÿแ€ฌ short-circuit withstand test แ€€แ€ญแ€ฏ แ€–แ€ผแ€แ€บแ€–แ€ญแ€ฏแ€ทแ€œแ€ญแ€ฏแ€•แ€ซแ€แ€šแ€บแ‹
- Grounding Issues
Earth rod แ€”แ€พแ€…แ€บแ€แ€ฏแ€€แ€ญแ€ฏ แ€™แ€€แ€ฑแ€ฌแ€„แ€บแ€ธแ€…แ€ฝแ€ฌแ€แ€ปแ€ญแ€แ€บแ€‘แ€ฌแ€ธแ€แ€ผแ€„แ€บแ€ธแ€€แ€ผแ€ฑแ€ฌแ€„แ€ทแ€บ voltage bypass แ€–แ€ผแ€…แ€บแ€•แ€ผแ€ฎแ€ธ SPD แ€™แ€พแ€ฌ current overload แ€–แ€ผแ€…แ€บแ€”แ€ญแ€ฏแ€„แ€บแ€•แ€ซแ€แ€šแ€บแ‹
โœ… แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€™แ€พแ€ฏแ€€แ€„แ€บแ€ธแ€…แ€ฑแ€›แ€”แ€บ แ€กแ€›แ€ฑแ€ธแ€€แ€ผแ€ฎแ€ธแ€žแ€ฑแ€ฌแ€€แ€ฌแ€€แ€ฝแ€šแ€บแ€”แ€Šแ€บแ€ธแ€™แ€ปแ€ฌแ€ธ
- SPD แ€€แ€ญแ€ฏ fuse แ€”แ€ฒแ€ท breaker แ€กแ€•แ€ผแ€ฎแ€ธแ€™แ€พแ€ฌแ€แ€ปแ€ญแ€แ€บแ€•แ€ซ
- Certified SPD (IEC 61643, UL1449) แ€€แ€ญแ€ฏแ€žแ€ฌ แ€กแ€žแ€ฏแ€ถแ€ธแ€•แ€ผแ€ฏแ€•แ€ซ
- SPD แ€›แ€ฒแ€ท MCOV แ€€แ€ญแ€ฏ system voltage แ€‘แ€€แ€บ แ€กแ€”แ€Šแ€บแ€ธแ€„แ€šแ€บแ€™แ€ผแ€„แ€ทแ€บแ€กแ€ฑแ€ฌแ€„แ€บแ€›แ€ฝแ€ฑแ€ธแ€•แ€ซ
- Grounding system แ€€แ€ญแ€ฏ proper bonding แ€”แ€ฒแ€ท earth resistance test แ€•แ€ผแ€ฏแ€œแ€ฏแ€•แ€บแ€•แ€ซ
- SPD installation แ€€แ€ญแ€ฏ manufacturer guide แ€กแ€แ€ญแ€ฏแ€„แ€บแ€ธแ€œแ€ฏแ€•แ€บแ€•แ€ซ
- SPD แ€แ€ฝแ€ฑแ€™แ€พแ€ฌ thermal disconnector แ€•แ€ซแ€แ€„แ€บแ€™แ€พแ€ฏแ€€แ€ญแ€ฏ แ€žแ€ฑแ€แ€ปแ€ฌแ€…แ€…แ€บแ€•แ€ซ
แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€™แ€พแ€ฏแ€แ€ฝแ€ฑแ€€แ€ญแ€ฏ แ€แ€ฌแ€ธแ€†แ€ฎแ€ธแ€–แ€ญแ€ฏแ€ท SPD แ€›แ€ฝแ€ฑแ€ธแ€แ€ปแ€šแ€บแ€™แ€พแ€ฏแ€”แ€ฒแ€ท installation method แ€Ÿแ€ฌ แ€กแ€›แ€ฑแ€ธแ€กแ€€แ€ผแ€ฎแ€ธแ€†แ€ฏแ€ถแ€ธแ€•แ€ซแ‹ แ€žแ€„แ€บแ€ท system แ€™แ€พแ€ฌ SPD แ€™แ€ฎแ€ธแ€œแ€ฑแ€ฌแ€„แ€บแ€™แ€พแ€ฏแ€–แ€ผแ€…แ€บแ€แ€ฒแ€ทแ€แ€ฌแ€›แ€พแ€ญแ€›แ€„แ€บ root cause แ€€แ€ญแ€ฏ แ€แ€ญแ€แ€ญแ€€แ€ปแ€€แ€ป trace แ€œแ€ฏแ€•แ€บแ€–แ€ญแ€ฏแ€ทแ€œแ€ญแ€ฏแ€•แ€ซแ€แ€šแ€บแ‹
NYSE

Solar Panel VOC STC โ€“ 49.5v x 10pcs = 495vInverter Max DC Volt Limit โ€“ 500vSolar Panel แ€›แ€ฒแ€ท VOC  แ€€ Inverter แ€›แ€ฒแ€ท  Max DC v...
23/07/2025

Solar Panel VOC STC โ€“ 49.5v x 10pcs = 495v
Inverter Max DC Volt Limit โ€“ 500v
Solar Panel แ€›แ€ฒแ€ท VOC แ€€ Inverter แ€›แ€ฒแ€ท Max DC volt limit แ€กแ€ฑแ€ฌแ€€แ€บแ€™แ€พแ€ฌ 5v แ€”แ€ญแ€™แ€ทแ€บแ€”แ€ฑแ€›แ€ฒแ€ทแ€žแ€ฌแ€ธแ€”แ€ฒแ€ท Inverter แ€˜แ€ฌแ€€แ€ผแ€ฑแ€ฌแ€„แ€ทแ€บแ€œแ€ฑแ€ฌแ€„แ€บแ€žแ€ฝแ€ฌแ€ธแ€›แ€แ€ฌแ€œแ€ฒ? แ€…แ€แ€•แ€บแ€แ€ฏแ€”แ€บแ€ธแ€€ แ€”แ€ฝแ€ฑแ€›แ€ฌแ€žแ€ฎแŠ แ€œแ€ฑแ€ฌแ€„แ€บแ€žแ€ฝแ€ฌแ€ธแ€แ€ฌแ€€ แ€†แ€ฑแ€ฌแ€„แ€บแ€ธแ€›แ€ฌแ€žแ€ฎแ‹

โ„๏ธ Cold weather VOC spike แ€€แ€ญแ€ฏแ€แ€ฝแ€€แ€บแ€–แ€ญแ€ฏแ€ทแ€กแ€แ€ฝแ€€แ€บ solar panel แ€›แ€ฒแ€ท temperature coefficient of VOC แ€€แ€ญแ€ฏแ€žแ€ญแ€–แ€ญแ€ฏแ€ทแ€œแ€ญแ€ฏแ€•แ€ซแ€แ€šแ€บแ‹ แ€’แ€ฎ coefficient แ€€ panel temperature 1ยฐC แ€€แ€ปแ€žแ€ฝแ€ฌแ€ธแ€แ€ญแ€ฏแ€„แ€บแ€ธ VOC แ€˜แ€šแ€บแ€œแ€ฑแ€ฌแ€€แ€บแ€แ€€แ€บแ€™แ€œแ€ฒแ€†แ€ญแ€ฏแ€แ€ฌแ€€แ€ญแ€ฏแ€•แ€ผแ€•แ€ซแ€แ€šแ€บแ‹
________________________________________
๐Ÿงฎ VOC Spike Calculation Formula
VOC_cold = VOC_STC ร— [1 + (Temp_Coeff ร— ฮ”T)]
โ€ข VOC_STC = Panel VOC at 25ยฐC (Standard Test Conditions)
โ€ข Temp_Coeff = Temperature coefficient of VOC (e.g. -0.3%/ยฐC โ†’ -0.003)
โ€ข ฮ”T = Temperature difference = 25ยฐC โˆ’ lowest expected ambient temperature
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๐Ÿ“Œ Example Calculation
Solar panel:
โ€ข VOC_STC = 49.5V
โ€ข Temp Coeff = -0.3%/ยฐC = -0.003
โ€ข Lowest ambient temp = 0ยฐC
ฮ”T = 25 โˆ’ 0 = 25ยฐC
VOC_cold = 49.5 ร— [1 + (-0.003 ร— 25)]
VOC_cold = 49.5 ร— [1 + 0.075] = 49.5 ร— 1.075 = 53.21V
โžก๏ธ Cold weather VOC spike = 53.21V per panel
If you have 10 panels in series:
Total VOC = 53.21 ร— 10 = 532.1V
๐Ÿ‘‰ แ€’แ€ฎ value แ€€ inverter แ€›แ€ฒแ€ท max DC voltage limit (e.g. 500V) แ€‘แ€€แ€บ 32.1v แ€€แ€ปแ€ฑแ€ฌแ€บแ€”แ€ฑแ€•แ€ซแ€แ€šแ€บแ‹

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