如何利用新型能源太阳能光伏和风能降低对电网的需求量 牵涉到相关的计算

其实是一份项目管理的作业 但是由于自己学的是电子 对能源之类的领域了解太少 有许多不明白的点~请大家指点一下~

要求是plan for sufficient alternative energy sources to give a minimum 30% reduction in demand from the grid.

给出了各大楼每天的用电情况~



Typical Electricity use per building

Overall Total power consumption per building per day

Device

Number

Average Power

(Watts)

Average Time

Used/day (hrs)

Average daily

Consumption

Oven

11

3600 (each)

3

118.8kWh

The total below is for a building using the current provision of incandescent lamps in student accommodation rooms.

Changing these for LED lamps would take 16 hours per building – one building at a time.

Microwave

11

1200 (each)

2

26.4kWh

Kettle

11

3600 (each)

2

79.2kWh

Toaster

11

1200 (each)

1

13.2kWh

Fridge Freezer

11

200 (each)

24

52.8kWh

Washing Machine

3

600 (each)

5 (each)

9kWh

Tumble Dryer

3

4800 (each)

8 (each)

115.2kWh

Iron

3

1000 (each)

4 (each)

12kWh

Flourescent Lights

40

25 (each)

10 (each)

10kWh

Access/entry system

1

100

24

2.4kWh

Room Lighting now

LED alternative

330

330

60 (each)

15 (each)

4 (each)

4 (each)

79.2kWh

19.8kWh

Hot Water (pump)

1

3000

6

18kWh

TV/Hi-Fi/LapTop

110

200 (each)

8 (each)

176kWh

712.2 kWh

每天用电总的使用量是712.2KWh

然后说明了太阳能光伏和风能各自的转换率 其中那个50%我不知道是怎么得出的对完成我的目的减少30%电网需求量有什么关系 求指教

Typical efficiency for generation technologies is currently 15% of installed capacity for Solar PV and 30% of installed capacity for wind generators. Allied to this is the fact that the power generated is only available for 50% of the year.

Technology

Installation time per kW (hrs)

Area needed to install per kW (m2)

Roof area available (m2)

Ground area available (m2)

Installation time (hrs)

Cost to install (£k per kW)

Benefit gained from Feed in Tariff income (£/kWh) + duration of benefit

Benefit gained from Generation Tariff income (£/kWh) + duration of benefit

Solar PV – assume each panel = 250W

2 (includes wiring)

10

700

N/A

140

2.5

0.103

20 years

0.048

20 years

Wind Energy

4

5

N/A

900

240

2.7

0.216

20 years

0.047

20 years

之后PO出了一张能源关系表 能否指导一下如何计算每天太阳能光伏和风能的发电量啊 我算下来太阳能能产70kw*15%*5hrs=52.5kwh 风能是60kw*30%*8hrs=144kwh 这样计算对不对

求各位指点啊~我瞎推了一晚上推出的结果不知道对不对。。麻烦大家了

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