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影音天地主旨 ﹝請按主旨作出回應﹞ 下頁 尾頁 | 寄件者 | 傳送日期 |
[#1] 隔離牛 "火數"一問 其實有無人知道,假如用牆插接隔離牛,可以用到最大"火數"的牛牛? |
lcp12345 正式會員 203.xxx.xxx.102 |
2009-03-22 21:51 | |
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[#2] 隔離牛 "火數"一問 4KVA is OK, no problem for me. |
孟波 正式會員 218.xxx.xxx.240 |
2009-03-22 22:38 |
[#3] 隔離牛 "火數"一問 13 amp x 220V = 2860VA/W. So, 4KVA is fine, coz, some power would be lose for heat and radiate EMI Cheers. |
sugizo 正式會員 219.xxx.xxx.65 |
2009-03-22 22:42 |
[#4] 隔離牛 "火數"一問 over 2500VA 請注意 start current. 我朋友用3000VA隔離牛,開機有時會跳MCB. 現打算加裝軟起動電路. |
X-man 正式會員 58.xxx.xxx.136 |
2009-03-22 23:26 |
[#5] 隔離牛 "火數"一問 Only toroidal transformer have this problem, EI transformer OK. |
lnchu 正式會員 61.xxx.xxx.164 |
2009-03-22 23:46 |
[#6] 隔離牛 "火數"一問 Really thanks! I am using a 600W one and want to get a 1.5kW from my friend. |
lcp12345 正式會員 116.xxx.xxx.211 |
2009-03-22 23:52 |
[#7] 隔離牛 "火數"一問 I heard that, fortunately I don't need soft start in my home. |
孟波 正式會員 218.xxx.xxx.240 |
2009-03-23 16:51 |
[#8] 隔離牛 "火數"一問 please check: 1) how many hi-fi equipment connected with this Isolated Transformer ? 2) please calculate how many Watt (VA) they all need ? 3) if total Watt required is 500 Watt, then you need totally at least 1500 Watt (i.e. 3 times) as buffer. Usually 1 CPD + 1 Integrated AMP, 2000 VA is enought. just my 2 cents. |
avgear 正式會員 203.xxx.xxx.31 |
2009-03-24 09:08 |
[#9] 隔離牛 "火數"一問 如果你用到咁大火數一定會跳火的~~ 因為隻牛既起動電流勁大~~ 所以要加一個softstart線路先得 先以一個低的電壓開~~之後full 電壓俾隻牛~~ 啫係先俾100v~~過多陣先俾220v~~咁就唔會跳火喇~~ |
schmike 正式會員 202.xxx.xxx.54 |
2009-03-25 07:57 |
[#10] 隔離牛 "火數"一問 我有隻5000VA(EI牛),唔用soft start都可以direct on line冇跳掣. |
2A3 正式會員 219.xxx.xxx.60 |
2009-03-25 18:19 |
[#11] 隔離牛 "火數"一問 I have been using 3KVA 隔離牛, 開機有時會跳MCB but if you keep it ON all the time, it is ok. very little heat and noise if the loading is low. |
snitch 正式會員 218.xxx.xxx.82 |
2009-03-25 18:38 |
[#12] 隔離牛 "火數"一問 connect some loads on the isolating transformer, it helps. If no load, the starting current is always too high, thus trip the MCB. |
estima 正式會員 119.xxx.xxx.23 |
2009-03-25 21:11 |
[#13] 隔離牛 "火數"一問 this can be a trick....let me try later when i have settled down with the move. |
snitch 正式會員 218.xxx.xxx.82 |
2009-04-01 22:56 |
[#14] 隔離牛 "火數"一問 我都有隻5000火(EI牛 made in USA),經常想使同,但唔識造份soft start,所以擺了多年仍未Start for use。遲些拍照給各兄台給予高見。 |
GW 正式會員 202.xxx.xxx.240 |
2009-04-02 16:00 |
[#15] 隔離牛 "火數"一問 You don't need soft start for EI transformers. 2A3 said that already. |
lnchu 正式會員 203.xxx.xxx.70 |
2009-04-02 16:17 |
[#16] 隔離牛 "火數"一問 photo of my transformer - i remember it should be 2KVA but still, 開機有時會跳MCB. see attached the photo. |
snitch 正式會員 218.xxx.xxx.82 |
2009-04-02 23:35 |
[#17] 隔離牛 "火數"一問 soft start |
X-man 正式會員 219.xxx.xxx.37 |
2009-04-03 13:48 |
[#18] 隔離牛 "火數"一問 soft start |
X-man 正式會員 219.xxx.xxx.37 |
2009-04-03 13:54 |
[#19] 隔離牛 "火數"一問 Ts,To = timer Rs,Ro = Relay |
X-man 正式會員 219.xxx.xxx.131 |
2009-04-03 21:55 |
[#20] 隔離牛 "火數"一問 simply add a pair of thermistor after the L/N inlet to solve this problem. If any c-hing want more information, please PM me. Thanks. |
sugizo 正式會員 218.xxx.xxx.4 |
2009-04-03 23:33 |