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利用PV赌钱游戏官方网站电池, 家庭或企业主可以利用阳光发电, saving money and minimizing our carbon footprint on this planet hence doing their bit to saving the planet. This solar generated energy is used to offset or replace power that would normally be purchased from the utility.

在城市地区安装的大部分系统是并网系统, 顾名思义, with the help of an Inverter the electric load for the Owner’s premises is shared between the Solar PV system and the Grid. Power from the Grid is taken only if the power consumption for the house exceeds the PV system capacity.

An off-grid solar energy system is where there is no connection to the utility company power grid. 这种安装需要一个充电控制器, 一组电池，在大多数情况下是逆变器, 因此，电力需求可以在夜间或阴天条件下得到满足

一个典型的330Wp赌钱游戏官方网站电池板的面积约为21平方英尺. 取决于安装因素, the required square footage of roof space will be somewhat larger than simply the area of the panels. 根据你的信息, 一旦赌钱游戏官方网站的工程部门确定了所需的角度, 阴影的因素, 等. 赌钱游戏官方网站可以给你一个更准确的数字.

Typically the best return on investment is when you target the average power in watts used during the month with the lowest electric bill.

光伏系统由不同的组件组成. 这些包括光伏组件(光伏电池组), which are commonly called PV panels; one or more batteries; a charge regulator or controller for a stand-alone system; an inverter for a utility-grid-connected system and when alternating current (ac) rather than direct current (dc) is required; wiring; and mounting hardware or a framework.

Solar PV panels are very robust and can withstand the normal stresses subjected by nature.

人们出于各种原因决定购买赌钱游戏官方网站系统. 例如, some individuals buy solar products to preserve the Earth’s finite fossil-fuel resources and to reduce air pollution. 其他人宁愿把钱花在自己的财产上的发电系统上. Some people like the security of reducing the amount of electricity they buy from their distribution companies, because it makes them less vulnerable to future increases in the price of electricity.

It can be installed on: Roof tops, Building terraces, Open grounds, balconies facing south. 不应该有阴影.

政府提供:-
For residential places: 40% subsidy up to the first 3 kW and 20% subsidy from 3 to 10 KW.
商业(创收)楼宇:不获补贴.

A 赌钱游戏官方网站热水器 is a device which provides hot water for residential, commercial & 工业用途利用赌钱游戏官方网站. It is generally installed at the terrace or where sunlight is available and heats water during day time which is stored in an insulated storage tank for use when required including mornings.

A 赌钱游戏官方网站热水器 comprises of an array of solar collectors to harness solar energy and an insulated tank to store hot water. 两者都是相互连接的. 白天的时候, water in solar collectors gets heated which is either pumped or flown automatically on thermosyphon principle to the storage tank. 然后储存在水箱中的热水可以用于各种用途.

Two types of 赌钱游戏官方网站热水器 are available; one based on flat plate collectors and the other based on evacuated tube collectors. 平板集热器(FPC)系统由铜管和铜翅片组成, 而ETCs是由玻璃管制成的，两根管之间有真空.
这两种系统都有带热交换器和不带热交换器两种. 他们也可以工作与不泵. 系统s without pump are known as thermosyphon systems and those with pump are known as forced circulation systems.

可容纳人数100 2 200 4 250 5 300 6 500 10

ETC系统比FPC系统便宜. They perform better in colder regions and avoid freezing problem during sub-zero temperature. FPC based systems also perform well with anti-freeze solution at sub zero temperature but their cost increases. 在其他地区，两者的表现同样出色. 利用热虹吸原理工作的系统简单且相对便宜. 它们适用于国内和小型机构应用, 前提是水质良好，氯含量不高. Forced circulation systems are generally preferred in industries or large establishments. 在水坚硬且氯含量较高的地方, 如果正在安装基于FPC的系统, it must be with heat exchanger as it will avoid scale deposition in copper tubes of solar collectors which can block the flow of water as well reduce its thermal 表演。. ETC based systems will not block the flow of water but its 表演。 may go down due to deposition of salt contents on inner surface of glass tubes, 哪些可以一年左右清洗一次.

A 100 litre per day capacity system suitable for 2-3 people can save upto 1500 units of electricity in a year, 取决于使用的热水. It can also save around 140 litres of diesel in an establishment using oil fired boiler besides reducing green house gas emissions in the atmosphere. Higher capacity systems will save higher amount of electricity/fuel oil besides reducing higher amount of GHG emissions. Electricity is expensive and is not available due to power cuts in many areas when required for heating water. 赌钱游戏官方网站热水器, 因为它把热水储存在一个绝缘的水箱里, 在需要的时候随时提供水. 燃料油也很贵，而且会造成污染. Storing the fuel oil for long term use in commercial establishments is another problem.

在阴天也一样, 如果是一两天的话, you still get warm water as water gets heated due to diffused radiation available in the atmosphere. 该系统, 然而, is either connected to an electric geyser in the house or an electrical back-up is provided in the storage tank of the system which is switched on when water is not sufficiently hot. 所以，即使在下雨天，你也能一直得到热水.

Domestic solar water heating systems do not need significant maintenance requirements. 管道偶尔漏水，普通管道工很容易就能修好. In case quality of water is hard, scale deposition in the collectors may result over the years. This may require de-scaling with acids for which it is best to contact the suppliers. 破碎的玻璃也可能必须由供应商更换. 如果外部暴露的表面油漆, the paint may have to be redone every 2-3 years to prevent corrosion of the surfaces.

It can be installed on: Roof tops, Building terraces, Open grounds, balconies facing south. 不应该有阴影. 你说一年有300-325天有热水供应. 剩下的日子呢? Every SWHS can be provided with auxiliary back up heating system by Electrical heater at extra cost.

没有，目前政府没有对赌钱游戏官方网站热水器提供任何补贴.