X***y
发帖数: 3947 | 1 有用过的指教一下。和coil的炉子比，火力够吗？我家不通gas。谢谢。 |
f********r
发帖数: 904 | |
X***y
发帖数: 3947 | 3 是的。火力如何啊？
【在 f********r 的大作中提到】
: induction cooktop?
|
g********3
发帖数: 1281 | 4 it is fine, and it is easier to clean than coil. |
X***y
发帖数: 3947 | 5 谢了。就怕把炒变炖。
这样俺就放心下手了。
【在 g********3 的大作中提到】
: it is fine, and it is easier to clean than coil.
|
i****y
发帖数: 5184 | 6 induction cooktop is a way better than electric cooktop
and it's a way more expensive too.
【在 X***y 的大作中提到】
: 有用过的指教一下。和coil的炉子比，火力够吗？我家不通gas。谢谢。
|
y****e
发帖数: 23939 | 7 电磁辐射很强的
【在 i****y 的大作中提到】
: induction cooktop is a way better than electric cooktop
: and it's a way more expensive too.
|
s**********d
发帖数: 36899 | 8 电磁炉跟smooth top是两回事。
听起来你说的不是电磁炉（induction）。
induction效率高，1500瓦都挺热的了。
smooth top要大火炒菜最少要2500w灶头。 |
s**********d
发帖数: 36899 | 9 induction只能用有磁性的锅。好多这里卖的很贵。 |
g*****9
发帖数: 4125 | 10 I have both gas and induction cook top at home, I must say induction is very
powerful, it can boil a cup of cold tap water in about 8 sec on highest
setting. When I first got this, I tested with a cold pan and 12 cups of cold
tap water, bring to a full boil in just over 90 secs. Also it can turn a
large wok to dull glowing red in less than 1 min with no food in it.
I think any induction cook top with at least 5kw should be enough 火力 for
you. If you need to use a wok, you have to get the curve ki
【在 X***y 的大作中提到】
: 是的。火力如何啊？
|
|
|
T**J
发帖数: 3340 | 11 错
【在 i****y 的大作中提到】
: induction cooktop is a way better than electric cooktop
: and it's a way more expensive too.
|
f****i
发帖数: 20252 | 12 在家能碰到最强的电磁场就估计就是induction cook top了，KW级别的电磁场
【在 X***y 的大作中提到】
: 有用过的指教一下。和coil的炉子比，火力够吗？我家不通gas。谢谢。
|
l****e
发帖数: 63 | 13 LOL
您能给讲讲这个电磁场跟微波炉的电磁场有啥不一样吗？
【在 f****i 的大作中提到】
: 在家能碰到最强的电磁场就估计就是induction cook top了，KW级别的电磁场
|
f****i
发帖数: 20252 | 14 veli different
【在 l****e 的大作中提到】
: LOL
: 您能给讲讲这个电磁场跟微波炉的电磁场有啥不一样吗？
|
d****2
发帖数: 6250 | 15
all-clad stainless, le creuset cast iron, 或着一般铁锅。
【在 s**********d 的大作中提到】
: induction只能用有磁性的锅。好多这里卖的很贵。
|
g*****9
发帖数: 4125 | 16 Actually any cookware that is made of ferrous materials will work just fine.
I even tested with a very cheap pan from dollar store, work as good as
expensive all-clad.
【在 d****2 的大作中提到】
:
: all-clad stainless, le creuset cast iron, 或着一般铁锅。
|
d****2
发帖数: 6250 | 17
fine.
很多不锈钢锅没磁性的，或者很弱，看来你的运气好。
【在 g*****9 的大作中提到】
: Actually any cookware that is made of ferrous materials will work just fine.
: I even tested with a very cheap pan from dollar store, work as good as
: expensive all-clad.
|
g*****9
发帖数: 4125 | 18 Most nice cookware will have a lable to tell you if it can be used on
induction cooktop or not. I only tried a few cheap one just for testing
purpose, they all seem to work ok. Only the wok I use is from the same
company as the cooktop, all others are bought from store (most of them
online).
【在 d****2 的大作中提到】
:
: fine.
: 很多不锈钢锅没磁性的，或者很弱，看来你的运气好。
|
X***y
发帖数: 3947 | |
s**********d
发帖数: 36899 | 20 不锈钢有很多种，常用防锈好的是300 series，比如18/10，
他们没有磁性，不能用在Induction。有的底下特意加一层
18/0(400 series)的，这个有磁性就可以用了。
便宜的锅可能直接用18/0，但他们防锈性不好。
【在 g*****9 的大作中提到】
: Most nice cookware will have a lable to tell you if it can be used on
: induction cooktop or not. I only tried a few cheap one just for testing
: purpose, they all seem to work ok. Only the wok I use is from the same
: company as the cooktop, all others are bought from store (most of them
: online).
|
|
|
e********t
发帖数: 9607 | 21 没搞懂，不是只要是导体就能产生电流吗？为什么要有磁性？
土土的问。
【在 s**********d 的大作中提到】
: 不锈钢有很多种，常用防锈好的是300 series，比如18/10，
: 他们没有磁性，不能用在Induction。有的底下特意加一层
: 18/0(400 series)的，这个有磁性就可以用了。
: 便宜的锅可能直接用18/0，但他们防锈性不好。
|
s**********d
发帖数: 36899 | 22 也发热，但热的轻。特别是铝或者铜，因为电阻低。
不锈钢好一些。
有磁性的还有别的发热机理（磁场变化产生电阻）。
【在 e********t 的大作中提到】
: 没搞懂，不是只要是导体就能产生电流吗？为什么要有磁性？
: 土土的问。
|
X***y
发帖数: 3947 | 23 您给科普一下。我也很confuse啊
smooth top，induction,ceramic-glass top不一样吗？
【在 s**********d 的大作中提到】
: 电磁炉跟smooth top是两回事。
: 听起来你说的不是电磁炉（induction）。
: induction效率高，1500瓦都挺热的了。
: smooth top要大火炒菜最少要2500w灶头。
|
X***y
发帖数: 3947 | 24 终于找到了个比较好的解释：
http://www.washingtonpost.com/wp-dyn/content/article/2007/03/27/AR2007032700665.html
象bestbuy这样的店居然也没有专业解释。
【在 X***y 的大作中提到】
: 您给科普一下。我也很confuse啊
: smooth top，induction,ceramic-glass top不一样吗？
|
g*****9
发帖数: 4125 | 25
An induction cooker uses a type of induction heating for cooking. It is
chiefly distinguished from other common forms of stovetop cooking by the
fact that the heat is generated directly in the cooking vessel, as opposed
to being generated in the stovetop (as by electrical coils or burning gas)
and then transferred to the cooking vessel).
In an induction stovetop, a coil of copper wire--an electromagnet--is placed
underneath the cooking pot. An oscillating current is applied to that coil,
which
【在 X***y 的大作中提到】
: 您给科普一下。我也很confuse啊
: smooth top，induction,ceramic-glass top不一样吗？
|
a9
发帖数: 21638 | 26 电阻低。。。。
电磁炉要是靠电阻那一年都开不了锅了。
【在 s**********d 的大作中提到】
: 也发热，但热的轻。特别是铝或者铜，因为电阻低。
: 不锈钢好一些。
: 有磁性的还有别的发热机理（磁场变化产生电阻）。
|
f********r
发帖数: 904 | 27
very
cold
你说的炒锅“红了”，是热了的火气“红”，还是颜色高温发红了，通常3千瓦已经很
大，你还给个5千瓦，是哪个品牌
【在 g*****9 的大作中提到】
: I have both gas and induction cook top at home, I must say induction is very
: powerful, it can boil a cup of cold tap water in about 8 sec on highest
: setting. When I first got this, I tested with a cold pan and 12 cups of cold
: tap water, bring to a full boil in just over 90 secs. Also it can turn a
: large wok to dull glowing red in less than 1 min with no food in it.
: I think any induction cook top with at least 5kw should be enough 火力 for
: you. If you need to use a wok, you have to get the curve ki
|
l****e
发帖数: 63 | |
z****n
发帖数: 1514 | 29 我家的也是电的，像玻璃一样的平面。但是我家的叫electric radiation cooktop. 当
时就是听朋友说这种好清理，现在有点后悔没用煤气的。这种的火力还不如我以前住公
寓的电阻丝那种ranch。而且坐完饭马上要搽，否则上面的残渣到下顿再烧一下子后特
别难搽。而且只能用底非常平的锅。我还是建议煤气，火力大，对锅的要求不高。 |
c********h
发帖数: 7827 | 30 电磁炉应该是靠磁阻产热，铁材料磁阻大，所以能产热；一般金属的电阻都很小，差不
多。
【在 s**********d 的大作中提到】
: 也发热，但热的轻。特别是铝或者铜，因为电阻低。
: 不锈钢好一些。
: 有磁性的还有别的发热机理（磁场变化产生电阻）。
|
|
|
s**********d
发帖数: 36899 | 31 没有煤气的，都是天然气的。一般$1.5k以下的都比电炉更慢。
【在 z****n 的大作中提到】
: 我家的也是电的，像玻璃一样的平面。但是我家的叫electric radiation cooktop. 当
: 时就是听朋友说这种好清理，现在有点后悔没用煤气的。这种的火力还不如我以前住公
: 寓的电阻丝那种ranch。而且坐完饭马上要搽，否则上面的残渣到下顿再烧一下子后特
: 别难搽。而且只能用底非常平的锅。我还是建议煤气，火力大，对锅的要求不高。
|
g*****9
发帖数: 4125 | 32 It is a iron/steel wok. The color of the metal will glow red when heated, I
usually stop at dull red and pour in the cooking oil (it will instantly
smoke, sometime even lit). The red glow should be about the same as you see
on a hot iron that I just take out of fire to brand my steak. After I put in
the oil, I add the food to the wok within 1 sec, the food will "jump" from
the heat, most of the dishes can be cooked within 1 min. Does that all make
sense to you?
This is what I have:
http://www.co
【在 f********r 的大作中提到】
:
: very
: cold
: 你说的炒锅“红了”，是热了的火气“红”，还是颜色高温发红了，通常3千瓦已经很
: 大，你还给个5千瓦，是哪个品牌
|
g*****9
发帖数: 4125 | 33 I made a DIY gas wok burner using a less than $150 part. It is at least 120,
000 BTU. I think this is much better than the most powerful $1.5K electric
cooktop you can buy.
http://www.foodservicewarehouse.com/ccc/tb-291/p343371.aspx
【在 s**********d 的大作中提到】
: 没有煤气的，都是天然气的。一般$1.5k以下的都比电炉更慢。
|
X***y
发帖数: 3947 | 34 胆子忒大了您。
120,
【在 g*****9 的大作中提到】
: I made a DIY gas wok burner using a less than $150 part. It is at least 120,
: 000 BTU. I think this is much better than the most powerful $1.5K electric
: cooktop you can buy.
: http://www.foodservicewarehouse.com/ccc/tb-291/p343371.aspx
|
X***y
发帖数: 3947 | 35 我也看到网上有类似的抱怨。
electric radiation cooktop 和induction不一样。那个cooktop本身是发热的对吧？
我开始也迷惑半天。虽然都是玻璃的smoothtop，很有些销售人员浑水摸鱼的意思。
【在 z****n 的大作中提到】
: 我家的也是电的，像玻璃一样的平面。但是我家的叫electric radiation cooktop. 当
: 时就是听朋友说这种好清理，现在有点后悔没用煤气的。这种的火力还不如我以前住公
: 寓的电阻丝那种ranch。而且坐完饭马上要搽，否则上面的残渣到下顿再烧一下子后特
: 别难搽。而且只能用底非常平的锅。我还是建议煤气，火力大，对锅的要求不高。
|
f********r
发帖数: 904 | 36
I
see
in
from
make
WOW,这个太猛，3相在居民区很难做到，通常只有两相240V，你是如何实现3PH的安装
【在 g*****9 的大作中提到】
: It is a iron/steel wok. The color of the metal will glow red when heated, I
: usually stop at dull red and pour in the cooking oil (it will instantly
: smoke, sometime even lit). The red glow should be about the same as you see
: on a hot iron that I just take out of fire to brand my steak. After I put in
: the oil, I add the food to the wok within 1 sec, the food will "jump" from
: the heat, most of the dishes can be cooked within 1 min. Does that all make
: sense to you?
: This is what I have:
: http://www.co
|
g*****9
发帖数: 4125 | 37 Actually I am not that 胆子大, it is just carefully planned. I have built a
big SS hood that completely surround the cooking area. Very little smoke and
smell will escape from the kitchen area. I was taught that a little fire (
flame) inside the wok will add flavor to the dish you are cooking, plus it
is kind of a show when I try to impress my guests (a lot of them are
potential clients).
It is kind of sad that most chinese people now (not just in US) do not learn
the very basic traditional cooking
【在 X***y 的大作中提到】
: 胆子忒大了您。
:
: 120,
|
f********r
发帖数: 904 | 38
electric radiation cooktop是靠热传递，cooktop表面是发热，induction不一样，看
广告是把pan砌一半搁个生鸡蛋，在pan上的鸡蛋熟，在cooktop面上那半生
【在 X***y 的大作中提到】
: 我也看到网上有类似的抱怨。
: electric radiation cooktop 和induction不一样。那个cooktop本身是发热的对吧？
: 我开始也迷惑半天。虽然都是玻璃的smoothtop，很有些销售人员浑水摸鱼的意思。
|
f********r
发帖数: 904 | 39
120,
这个在家里装是违法消防条例的，你问问inspector就知道，
【在 g*****9 的大作中提到】
: I made a DIY gas wok burner using a less than $150 part. It is at least 120,
: 000 BTU. I think this is much better than the most powerful $1.5K electric
: cooktop you can buy.
: http://www.foodservicewarehouse.com/ccc/tb-291/p343371.aspx
|
g*****9
发帖数: 4125 | 40 Are you sure, not only do I have a very powerful vent, I have sprinkler
system in house (halon system in my computer and electronic room). The
kitchen have firewalls built in, even it burn down, should not affect the
rest of the house (it is on seperate HVAC system, so smoke will not
circulate to the other part of the house). My house is designed to pass even
the commercial code. On my last christmas party, I had the local fire chief
in my house watch me cook Real Chinese Food.
【在 f********r 的大作中提到】
:
: 120,
: 这个在家里装是违法消防条例的，你问问inspector就知道，
|
|
|
s**********d
发帖数: 36899 | 41
正常居民用电是单相240/208V。
【在 f********r 的大作中提到】
:
: 120,
: 这个在家里装是违法消防条例的，你问问inspector就知道，
|
s**********d
发帖数: 36899 | 42 我们这中国店有卖的，好像$60左右。看着很可怕，呵呵。
【在 g*****9 的大作中提到】
: Are you sure, not only do I have a very powerful vent, I have sprinkler
: system in house (halon system in my computer and electronic room). The
: kitchen have firewalls built in, even it burn down, should not affect the
: rest of the house (it is on seperate HVAC system, so smoke will not
: circulate to the other part of the house). My house is designed to pass even
: the commercial code. On my last christmas party, I had the local fire chief
: in my house watch me cook Real Chinese Food.
|
g*****9
发帖数: 4125 | 43 Don't know where you live, but in North America, the high leg delta system
allows single-phase 120 V loads and 240 V three-phase loads both to be
served by the same three-phase, four-wire distribution system.
The cooktek induction wok serve international market, so you have to order
one that will work with your local utility.
【在 s**********d 的大作中提到】
: 我们这中国店有卖的，好像$60左右。看着很可怕，呵呵。
|
g*****9
发帖数: 4125 | 44 I bought online because I am kind of far away from chinese store. I think I
paid around $50 including shipping.
【在 s**********d 的大作中提到】
: 我们这中国店有卖的，好像$60左右。看着很可怕，呵呵。
|
s**********d
发帖数: 36899 | 45 哪儿in north america家庭用电都是单相240/208V。
center tap 成两个120V供普通电器。直接用供用电大件。
你看下你的electric range, dryer, AC说明就看到了，
都是要single phase 240V。
【在 g*****9 的大作中提到】
: Don't know where you live, but in North America, the high leg delta system
: allows single-phase 120 V loads and 240 V three-phase loads both to be
: served by the same three-phase, four-wire distribution system.
: The cooktek induction wok serve international market, so you have to order
: one that will work with your local utility.
|
g*****9
发帖数: 4125 | 46 You are talking about a split phase electricity distribution system is a 3-
wire single-phase distribution system. It is the AC equivalent of the
original Edison 3-wire direct current system. Its primary advantage is that
it saves conductor material over a single ended single phase system while
only requiring single phase on the supply side of the distribution
transformer.
I am talking about the high leg delta system (also known as wild-leg or red-
leg delta) According to Article 110.15 of the 2
【在 s**********d 的大作中提到】
: 哪儿in north america家庭用电都是单相240/208V。
: center tap 成两个120V供普通电器。直接用供用电大件。
: 你看下你的electric range, dryer, AC说明就看到了，
: 都是要single phase 240V。
|
s**********d
发帖数: 36899 | 47 所以你特意要求electricity company给你多接的线？
你家里110V，是从这个三相电接的，还是另外的？
red-
【在 g*****9 的大作中提到】
: You are talking about a split phase electricity distribution system is a 3-
: wire single-phase distribution system. It is the AC equivalent of the
: original Edison 3-wire direct current system. Its primary advantage is that
: it saves conductor material over a single ended single phase system while
: only requiring single phase on the supply side of the distribution
: transformer.
: I am talking about the high leg delta system (also known as wild-leg or red-
: leg delta) According to Article 110.15 of the 2
|
O*******d
发帖数: 20343 | 48 electric smoothtop is not 电磁炉 |
O*******d
发帖数: 20343 | 49 Not really. The electro-magnetic field from an induction stove delays
quickly. The effect is almost gone 30cm away from the coil.
【在 y****e 的大作中提到】
: 电磁辐射很强的
|
s**********d
发帖数: 36899 | 50
做饭时常常30厘米以内啊。
【在 O*******d 的大作中提到】
: Not really. The electro-magnetic field from an induction stove delays
: quickly. The effect is almost gone 30cm away from the coil.
|
|
|
g*****9
发帖数: 4125 | 51 I am not sure 特意, but I requested 3 phase service when I build the house.
I have few things at home that needs it (such as the motor for the elevator).
My understanding is 3 phase is avail in all parts of US and Canada.
But something is only local, my area does not have peak and off peak
metering, but does allow me to sell back to the grid with my wind turbine
and solar panel.
【在 s**********d 的大作中提到】
: 所以你特意要求electricity company给你多接的线？
: 你家里110V，是从这个三相电接的，还是另外的？
:
: red-
|
s**********d
发帖数: 36899 | 52
.
elevator).
进neighborhood的线都是啊。一般几家一个transformer，从那里才每家
分一相的。所以如果electricity company同意应该没有问题。但他们要
多接线，meter估计也不一样。
现在挺多的。你住哪里生的电够自己用吗。
【在 g*****9 的大作中提到】
: I am not sure 特意, but I requested 3 phase service when I build the house.
: I have few things at home that needs it (such as the motor for the elevator).
: My understanding is 3 phase is avail in all parts of US and Canada.
: But something is only local, my area does not have peak and off peak
: metering, but does allow me to sell back to the grid with my wind turbine
: and solar panel.
|
O*******d
发帖数: 20343 | 53 In North America, regular residential houses are served with SINGLE PHASE,
CENTER TAPPED 120V/240V system. This system has 3 wires, two hot and one
neutral. The voltage between each hot wire and neutral wire is 120V. The
voltage between two hot wires are 240V. Most room receptacles are wired
between a hot wire and the neutral wire, providing 120V. Large electric
appliances, such as stove, oven, cloth dryer and central AC are using
electricity supplied from the two hot wires.
A 3 wire system
【在 g*****9 的大作中提到】
: Don't know where you live, but in North America, the high leg delta system
: allows single-phase 120 V loads and 240 V three-phase loads both to be
: served by the same three-phase, four-wire distribution system.
: The cooktek induction wok serve international market, so you have to order
: one that will work with your local utility.
|
O*******d
发帖数: 20343 | 54 If you have no ferrous material within 30cm, you will be fine. Unlike microwave, the electro-magnetic field generated by an induction cooktop will not heat your body.
【在 s**********d 的大作中提到】
:
: .
: elevator).
: 进neighborhood的线都是啊。一般几家一个transformer，从那里才每家
: 分一相的。所以如果electricity company同意应该没有问题。但他们要
: 多接线，meter估计也不一样。
: 现在挺多的。你住哪里生的电够自己用吗。
|
s**********d
发帖数: 36899 | 55 old centers不怕热，怕癌。
microwave, the electro-magnetic field generated by an induction cooktop will
not heat your body.
【在 O*******d 的大作中提到】
: If you have no ferrous material within 30cm, you will be fine. Unlike microwave, the electro-magnetic field generated by an induction cooktop will not heat your body.
|
O*******d
发帖数: 20343 | 56 Cancer is induced by ionization radiation, such as UV, X ray, gama ray which
have high quantum energy. Even microwave is not strong enough to cause
direct damage, other than heat effect.
will
【在 s**********d 的大作中提到】
: old centers不怕热，怕癌。
:
: microwave, the electro-magnetic field generated by an induction cooktop will
: not heat your body.
|
g*****9
发帖数: 4125 | 57
Not enough, I am only doing it to test the product out to see if I want to
import large quantity later. I have a natural gas microturbine generator,
only that thing can generate enough electricity for the whole house to use.
【在 s**********d 的大作中提到】
: old centers不怕热，怕癌。
:
: microwave, the electro-magnetic field generated by an induction cooktop will
: not heat your body.
|
O*******d
发帖数: 20343 | 58 Most electric appliances use either 120V or 240V in North America. How do
you get 120V/240V from a 3 phase system? I guess you can get 120V and 208V
from a 3 phase system, not 120V and 240V.
.
elevator).
【在 g*****9 的大作中提到】
: I am not sure 特意, but I requested 3 phase service when I build the house.
: I have few things at home that needs it (such as the motor for the elevator).
: My understanding is 3 phase is avail in all parts of US and Canada.
: But something is only local, my area does not have peak and off peak
: metering, but does allow me to sell back to the grid with my wind turbine
: and solar panel.
|
f********r
发帖数: 904 | 59 3ph输入民宅确实很少，刚刚狗了一下这个３PH５ＫＷ的电磁炉，要１千八，单线的最
大３千瓦的要１千３，与其花那么多，还不如花两千买个Viking的电磁炉cooktop |
g*****9
发帖数: 4125 | 60 Maybe this will help you understand how I got the 120V and 240V:
http://www3.sea.siemens.com/step/templates/lesson.mason?pan:3:2:3
208V
【在 O*******d 的大作中提到】
: Most electric appliances use either 120V or 240V in North America. How do
: you get 120V/240V from a 3 phase system? I guess you can get 120V and 208V
: from a 3 phase system, not 120V and 240V.
:
: .
: elevator).
|
|
|
O*******d
发帖数: 20343 | 61 Do you need a special transformer for this? There is only one neutral among
all 3 phases. One phase will bear all the load of 120V circuit.
【在 g*****9 的大作中提到】
: Maybe this will help you understand how I got the 120V and 240V:
: http://www3.sea.siemens.com/step/templates/lesson.mason?pan:3:2:3
:
: 208V
|
f********r
发帖数: 904 | 62
这个不是常规民用线路供电系统，多数民宅供电形式以AC单相中间截取零线，这就是2
hot 1 nature,你的３相供电是符合工业供电的特殊形式，即以B相与AN(120V)=120x根
号3=208,就是发电机组以每相夹角６０度（１８０度为一周期）输出，
【在 g*****9 的大作中提到】
: Maybe this will help you understand how I got the 120V and 240V:
: http://www3.sea.siemens.com/step/templates/lesson.mason?pan:3:2:3
:
: 208V
|
O*******d
发帖数: 20343 | 63 This configuration is highly load unbalanced. One phase provides all load
for 120V.
2
【在 f********r 的大作中提到】
:
: 这个不是常规民用线路供电系统，多数民宅供电形式以AC单相中间截取零线，这就是2
: hot 1 nature,你的３相供电是符合工业供电的特殊形式，即以B相与AN(120V)=120x根
: 号3=208,就是发电机组以每相夹角６０度（１８０度为一周期）输出，
|
g*****9
发帖数: 4125 | 64 I never pay the list price.
【在 f********r 的大作中提到】
: 3ph输入民宅确实很少，刚刚狗了一下这个３PH５ＫＷ的电磁炉，要１千八，单线的最
: 大３千瓦的要１千３，与其花那么多，还不如花两千买个Viking的电磁炉cooktop
|
f********r
发帖数: 904 | 65
基本上是平衡的，
【在 O*******d 的大作中提到】
: This configuration is highly load unbalanced. One phase provides all load
: for 120V.
:
: 2
|
s**********d
发帖数: 36899 | 66 google了一下，好像除非用3-phase motor，别的也没有什么benefit。
among
【在 O*******d 的大作中提到】
: Do you need a special transformer for this? There is only one neutral among
: all 3 phases. One phase will bear all the load of 120V circuit.
|
g*****9
发帖数: 4125 | 67 You are some what right. But here is how the "problem" was solved.
Since one phase-to-neutral voltage (phase 'B') is higher than the others, no
single phase loads can be connected to this phase. This eliminates the
ability to use one third of the breakers in a panel for single-phase loads.
Further, the lack of loading on the high leg will result in an unbalanced
load. However, many new fluorescent ceiling fixtures utilize ballasts which
automatically sense line voltage. These fixtures are design
【在 O*******d 的大作中提到】
: This configuration is highly load unbalanced. One phase provides all load
: for 120V.
:
: 2
|
g*****9
发帖数: 4125 | 68 I have a lot of things at home (more than 10) that needs 3-phase. I don't
think it cost me more (maybe I paid more for the panel).
【在 s**********d 的大作中提到】
: google了一下，好像除非用3-phase motor，别的也没有什么benefit。
:
: among
|
O*******d
发帖数: 20343 | 69 All your 208V circuit will have current flow through BAN and BCN. The
circuit AC is still having higher load.
no
.
which
on
【在 g*****9 的大作中提到】
: You are some what right. But here is how the "problem" was solved.
: Since one phase-to-neutral voltage (phase 'B') is higher than the others, no
: single phase loads can be connected to this phase. This eliminates the
: ability to use one third of the breakers in a panel for single-phase loads.
: Further, the lack of loading on the high leg will result in an unbalanced
: load. However, many new fluorescent ceiling fixtures utilize ballasts which
: automatically sense line voltage. These fixtures are design
|
O*******d
发帖数: 20343 | 70 Can you connect all your fluorescent lights between AB and BC? Thus saving
AC for 120V load.
no
.
which
on
【在 g*****9 的大作中提到】
: You are some what right. But here is how the "problem" was solved.
: Since one phase-to-neutral voltage (phase 'B') is higher than the others, no
: single phase loads can be connected to this phase. This eliminates the
: ability to use one third of the breakers in a panel for single-phase loads.
: Further, the lack of loading on the high leg will result in an unbalanced
: load. However, many new fluorescent ceiling fixtures utilize ballasts which
: automatically sense line voltage. These fixtures are design
|
|
|
g*****9
发帖数: 4125 | 71 Not 100% sure, but I believe that is the case.I hired a electrian for the initial wiring work, I know every single fluorescent light can be controled seperately by the home automation system (they all have unique address), I know they are programed to be part of the load balancing. There is also a day time profile that will turn on more lights, the night time profile will run the pump. But light is also
programed to turn on for a length of time, not on and off as the load change
. So there shoul
【在 O*******d 的大作中提到】
: Can you connect all your fluorescent lights between AB and BC? Thus saving
: AC for 120V load.
:
: no
: .
: which
: on
|
f********r
发帖数: 904 | 72 要是3PH的电表，费率要比single的低，这个不存在３项不平衡的现象，毕竟它的用电
量不至于单相超出８００ｋｗ的时候，相对大电网来说还是平行的 |
X***y
发帖数: 3947 | 73 顶爆炒
外焦里嫩这个词估计也快绝迹了。
a
and
learn
【在 g*****9 的大作中提到】
: Actually I am not that 胆子大, it is just carefully planned. I have built a
: big SS hood that completely surround the cooking area. Very little smoke and
: smell will escape from the kitchen area. I was taught that a little fire (
: flame) inside the wok will add flavor to the dish you are cooking, plus it
: is kind of a show when I try to impress my guests (a lot of them are
: potential clients).
: It is kind of sad that most chinese people now (not just in US) do not learn
: the very basic traditional cooking
|
O*******d
发帖数: 20343 | 74 Not healthy. 爆炒 produce a lot of carcinogens during process.
【在 X***y 的大作中提到】
: 顶爆炒
: 外焦里嫩这个词估计也快绝迹了。
:
: a
: and
: learn
|
g*****9
发帖数: 4125 | 75 I don't do that very often for the reason you mentioned. I use steam oven a
lot now, does that have negative health effects?
【在 O*******d 的大作中提到】
: Not healthy. 爆炒 produce a lot of carcinogens during process.
|
s**********d
发帖数: 36899 | 76 我查了一下我们的电力公司，一样价，但三相的多$6 meter fee。
不平衡影响的是变压器，跟电网没有关系。电网上不同用户用不同
的phase就大体平衡过来了。
【在 f********r 的大作中提到】
: 要是3PH的电表，费率要比single的低，这个不存在３项不平衡的现象，毕竟它的用电
: 量不至于单相超出８００ｋｗ的时候，相对大电网来说还是平行的
|
g*****9
发帖数: 4125 | 77 That could be the case, but since I moved here I always have 3 phase, so no
idea what the single phase meter cost.
It is very windy here all year round, so my wind turbines help with the bill.
【在 s**********d 的大作中提到】
: 我查了一下我们的电力公司，一样价，但三相的多$6 meter fee。
: 不平衡影响的是变压器，跟电网没有关系。电网上不同用户用不同
: 的phase就大体平衡过来了。
|
O*******d
发帖数: 20343 | 78 Where are you located?
no
bill.
【在 g*****9 的大作中提到】
: That could be the case, but since I moved here I always have 3 phase, so no
: idea what the single phase meter cost.
: It is very windy here all year round, so my wind turbines help with the bill.
|
O*******d
发帖数: 20343 | 79 The 3 phase transformer cannot have another neutral on AB and BC for other
households because neutral is usually grounded. They all have to use AC if
they just want simple single phase 120V/240V.
【在 s**********d 的大作中提到】
: 我查了一下我们的电力公司，一样价，但三相的多$6 meter fee。
: 不平衡影响的是变压器，跟电网没有关系。电网上不同用户用不同
: 的phase就大体平衡过来了。
|
g*****9
发帖数: 4125 | 80 East coast near DC.
【在 O*******d 的大作中提到】
: Where are you located?
:
: no
: bill.
|
|
|
p*****e
发帖数: 7299 | 81 看到这里不得不赞美了。
大善！
even
chief
【在 g*****9 的大作中提到】
: Are you sure, not only do I have a very powerful vent, I have sprinkler
: system in house (halon system in my computer and electronic room). The
: kitchen have firewalls built in, even it burn down, should not affect the
: rest of the house (it is on seperate HVAC system, so smoke will not
: circulate to the other part of the house). My house is designed to pass even
: the commercial code. On my last christmas party, I had the local fire chief
: in my house watch me cook Real Chinese Food.
|
p*****e
发帖数: 7299 | 82 这还有发电厂，这房子按核冬天标准建的吧？
.
elevator).
【在 g*****9 的大作中提到】
: I am not sure 特意, but I requested 3 phase service when I build the house.
: I have few things at home that needs it (such as the motor for the elevator).
: My understanding is 3 phase is avail in all parts of US and Canada.
: But something is only local, my area does not have peak and off peak
: metering, but does allow me to sell back to the grid with my wind turbine
: and solar panel.
|
g*****9
发帖数: 4125 | 83 Hi all, I am not a master electrician, nor do I plan to become one. Here is
a diagram of my house panel connection to the grid. Sorry I won't able to
participate this 3 phase discussion much further. (it is simply beyond what
I care to know now, but you guys feel free to continue).
The wiring in my house is too complicated for me to deal with, I just use a
electrician (besides from change light fixture). I have wind turbine and
solar panel that also tie back to the grid and a back up natural gas
【在 O*******d 的大作中提到】
: The 3 phase transformer cannot have another neutral on AB and BC for other
: households because neutral is usually grounded. They all have to use AC if
: they just want simple single phase 120V/240V.
|
O*******d
发帖数: 20343 | 84 Wow, admire.
house
【在 g*****9 的大作中提到】
: Hi all, I am not a master electrician, nor do I plan to become one. Here is
: a diagram of my house panel connection to the grid. Sorry I won't able to
: participate this 3 phase discussion much further. (it is simply beyond what
: I care to know now, but you guys feel free to continue).
: The wiring in my house is too complicated for me to deal with, I just use a
: electrician (besides from change light fixture). I have wind turbine and
: solar panel that also tie back to the grid and a back up natural gas
|
s**********d
发帖数: 36899 | 85 是啊，所以变压器上三个线圈是不平衡的。
if
【在 O*******d 的大作中提到】
: The 3 phase transformer cannot have another neutral on AB and BC for other
: households because neutral is usually grounded. They all have to use AC if
: they just want simple single phase 120V/240V.
|
f********r
发帖数: 904 | 86 变压器３组线圈不平衡与neutral形成压差无关，这个neutral是和nation的code是统一
的，不平衡的相压相对大电网来说neutral还是零 |
g*****9
发帖数: 4125 | 87 No, I live kind out in the country, so the land is cheap. But during storm
or heavy winter snow, we will loose electricity. I started out with a diesel
generator and a 500 gallon in ground fiber glass tank, and soon find out
the generator is not powerful enough to supply the whole house duing peek
usuage (running AC). I do not want to go to a bigger diesel generator or
buying battery packs. So I went with a micro turbine natural gas generator,
since the exhaust gas was so hot, I can just use tha
【在 p*****e 的大作中提到】
: 这还有发电厂，这房子按核冬天标准建的吧？
:
: .
: elevator).
|
g*****9
发帖数: 4125 | 88 That is how much he bought, I am sure there is some waste.
【在 O*******d 的大作中提到】
: Wow, admire.
:
: house
|
s**********d
发帖数: 36899 | 89 变压器不平衡的问题是一个线圈发热大，坏的快。
但也许这种三相变压器就是特制的已经考虑到了。
【在 f********r 的大作中提到】
: 变压器３组线圈不平衡与neutral形成压差无关，这个neutral是和nation的code是统一
: 的，不平衡的相压相对大电网来说neutral还是零
|
g*****9
发帖数: 4125 | 90 I don't think that transformer belong to me, it belong to the power company,
right? I only got Brown, Orange (delta), Yellow and White neutral coming to
my panel. Also a bare copper for ground.
【在 s**********d 的大作中提到】
: 变压器不平衡的问题是一个线圈发热大，坏的快。
: 但也许这种三相变压器就是特制的已经考虑到了。
|
|
|
s**********d
发帖数: 36899 | 91 是，transformer是electri company的，虽然有可能在你家院子里。
你住的农村的话可能挂在电线杆子上。
company,
to
【在 g*****9 的大作中提到】
: I don't think that transformer belong to me, it belong to the power company,
: right? I only got Brown, Orange (delta), Yellow and White neutral coming to
: my panel. Also a bare copper for ground.
|
O*******d
发帖数: 20343 | 92 You have following items in your house
1. a wind turbine
2. a gas turbine
3. a solar panel
4. an elevator
diesel
,
【在 g*****9 的大作中提到】
: No, I live kind out in the country, so the land is cheap. But during storm
: or heavy winter snow, we will loose electricity. I started out with a diesel
: generator and a 500 gallon in ground fiber glass tank, and soon find out
: the generator is not powerful enough to supply the whole house duing peek
: usuage (running AC). I do not want to go to a bigger diesel generator or
: buying battery packs. So I went with a micro turbine natural gas generator,
: since the exhaust gas was so hot, I can just use tha
|
g*****9
发帖数: 4125 | 93 Yes. Wind turbine and solar panel are new products I am testing right now,
will try to sell them later on if I can work out a good price.
Gas turbine is the backup generator for my house.
Elevator is necessary since I move large and heavy stuff (such as furniture,
paintings) a lot from my basement storage to each of the rooms. I re-
decorate the entire house based on different season and different style (I
get new products all the time), I take pictures for my catalog and invite
people over to l
【在 O*******d 的大作中提到】
: You have following items in your house
: 1. a wind turbine
: 2. a gas turbine
: 3. a solar panel
: 4. an elevator
:
: diesel
: ,
|
p*****e
发帖数: 7299 | 94 这是住厂房里了，一会儿龙门吊该出现了。
得尊称一声厂长了，呵呵。。。 |
O*******d
发帖数: 20343 | 95 Haha, it is all tax deductable.
furniture,
easy
【在 g*****9 的大作中提到】
: Yes. Wind turbine and solar panel are new products I am testing right now,
: will try to sell them later on if I can work out a good price.
: Gas turbine is the backup generator for my house.
: Elevator is necessary since I move large and heavy stuff (such as furniture,
: paintings) a lot from my basement storage to each of the rooms. I re-
: decorate the entire house based on different season and different style (I
: get new products all the time), I take pictures for my catalog and invite
: people over to l
|
g*****9
发帖数: 4125 | 96 Yes, if I don't spend it, uncle sam will take it from me.
【在 O*******d 的大作中提到】
: Haha, it is all tax deductable.
:
: furniture,
: easy
|
O*******d
发帖数: 20343 | 97 你是做设备买卖吧？小型的wind turbine好像中国出的很多。 两米直径风扇，200瓦功
率。
【在 g*****9 的大作中提到】
: Yes, if I don't spend it, uncle sam will take it from me.
|
