Tải bản đầy đủ (.ppt) (75 trang)

Solar thermal technologies FOR POWER GENERATION

Bạn đang xem bản rút gọn của tài liệu. Xem và tải ngay bản đầy đủ của tài liệu tại đây (5.88 MB, 75 trang )

SOLAR THERMAL TECHNOLOGIES FOR POWER GENERATION
BY

S.K.Singh
Scientist F
Solar Energy Centre








Parabolic Trough Solar Electric Generating
System (SEGS)
Central Receiver Power Plant.
Dish Sterling System
Solar Chimney Power Plant
Solar Pond Power Plant


Temperature and concentration ratio of the various solar
thermal collector technologies
Technology

T (°C)

Concentration ratio

Tracking



Flat plate collector

30–100

1

-

Solar pond

70–90

1

-

Solar chimney

20–80

1

-

Evacuated tube
collector

90–200


1

-

Non imaging
trough

90–200

2

One-axis

CLFR

260–400

8–80

One-axis

Parabolic trough

260–400

8–80

One-axis

Heliostat field


500–800

600–1000

Two-axis

Central receiver
Dish concentrators

500–1200

800–8000

Two-axis


Technology option


Cost break-up of 50 MW Solar
thermal power plant




Parabolic trough


Trough without Evacuated

Receiver


Wednesday, October 13, 2010

10


Arun Solar Dish

Source: Solar Thermal Systems for Industrial process applications Dr. Sirish Kedare

Wednesday, October 13, 2010

11


Factor influencing Solar Concentrated
Technology
Direct normal
Irradiance
(DNI)

Ambient
Temperature

EFFICIENCY

Wind
Velocity


Latitude
Effect
Required
Temperature


Ta- Td / DNI


Latitude Effect


Concentrator trough.


Concentrator trough.



Solar trough


Flat Plate Collector


Concentrating collectors
Non imaging collectors: Compound parabolic
concentrator (CPC)


20


Concentrating collectors
Performance

21


Concentrated solar power plant using
parabolic trough design


Concentrated solar power plant
using parabolic trough design


Central Receiver Power Plant


Central Receiver Power Plant


×