Solar energy without subsidies

The low-concentrated PV (LCPV) plants

The company has developed and manufactured several types of LCPV plants based on solar modules with two-way sensitivity.

1. SEU 4000K

SEU 4000K is a plant with optical concentrators on 16 modules with bifacial sensitivity. An optical concentrator and modules are installed on a tracker that tracks the position of the sun in the polar coordinate system.

Technical characteristics in light conditions P = 1000 W m2; t = 25 ° C, AM 1.5:

1. Peak power of LCPV plant, not less than, Wt – 4000

2. Weight of LCPV plant, not more than, kg. – 1200

3. Aperture of LCPV plant, mm – 5500 x 8000

4. Angle of azimuth (variants), deg. – from 0 to 45

5. Maximum tracking angle, deg. – ± 60

6. Accuracy of the sun tracking, not more, deg. – ± 3

7. Recovery time, not more, min. – 30

8. Operating ambient temperature, deg. – -30 +55

9. Max. wind speed with installed solar modules, not less, km/h – 140

10. Lifetime, not less, years – 10

The power increase of LCPV plant with the use of solar modules with bifacial sensitivity is 3-7%.

SEU 4000K, Moscow, Metro Belyaevo

 

2. SEU 1000KD, 2000KD, 3000KD

Plants are available in accordance with the patent № 2406043 RU. The plant also includes a tracker for the position of the sun tracking. In the plant used the set of customization possibilities of solar modules with bifacial sensitivity is used that allows you to get on a solar module, with standard size 1600x1000 mm, peak power of 500 Wt.

Technical characteristics in light conditions P = 1000 W m2; t = 25 ° C, AM 1.5:

 

SEU 1000KD SEU 2000KD SEU 3000KD
Peak power of LCPV plants, not less than, Wt 1000 2000 3000
Weight of LCPV plants, not more than, kg. 480 790 1200
Aperture of LCPV plants, mm 4400х5400 4400х8600 4400х11800
Angle of azimuth (variants), deg. from 0 to 45 from 0 to 45 from 0 to 45
Maximum tracking angle, deg. ± 60 ± 60 ± 60
Accuracy of the sun tracking, not more, deg. ± 3 ± 3 ± 3
Recovery time, not more, min. 30 30 30
Operating ambient temperature, deg. -30 +40 -30 +40 -30 +40
Max. wind speed with installed solar modules, not less, km/h 140 140 140
Lifetime, not less, years 10 10 10

Pilot model of SEU 1000KD

3. The cogeneration low-concentrated PV plants
The LCPV plants on the bifacial cooled modules is developed.
The LCPV plants has the following competitive advantages in relation to the existing solar PV systems:
- Operation at high ambient temperatures (up to 55 ºC), at it the temperature of PV module will not exceed 80 ºC;
- High specific power of the module, more than 340 W per m2 at ambient temperature of 25 ºC;
- Getting a heat in the form of hot water;
- The efficiency of the solar cell by the total (electrical and thermal) peak power - 70%;
- Less total cost per watt of generated electric and thermal power of LCPV plant.
 
Technical characteristics SUE2/5TDK in light conditions P = 1000 W m2; t = 25 ° C, AM 1.5:
Parameter Value
Electrical peak power of the plant, not less than, W 2000*
Thermal peak power of the plant, not less than, W 5300
Total peak power of the plant, not less than, W 7300*
Maximum own energy consumption, no more, W 100
Output voltage DC, V 310±8
Number of bifacial PV modules in the plant, pcs. 4
Size of bifacial PV modules, mm 1200 х 1200 х 60
The temperature of the coolant at the outlet to the SEU heat exchanger is selected by the consumer from the range, °C 35 - 70
The maximum temperature of the cooling liquid from the consumer at the SEU heat exchanger inlet, °C 55
Azimuth tilt angle (options), degrees 7, 15, 30
The maximum angle of tracking the sun from the vertical, not less, degrees ±60
Ambient temperature range, °C -40 ... +55
Maximum 3-second wind gust, not more, km/h 90
Weight of the plant without foundation supports, no more, kg 1500
Dimensions of placement at an inclination angle on an azimuth, degrees, L x W x H, m 7 8,0 х 4,9 х 4,0
15 9,0 х 4,9 х 5,0
30 11,0 х 4,9 х 6,4
* With a solar cell efficiency of 22.7%.

All types of solar systems have a system for tracking the position of the sun in polar coordinates. This system increases the production of electrical and thermal energy by 28%, which is equivalent to an increase in the total peak power by this value.

 

Under the agreement No.94GRNTIS5/26065 with the Foundation for the Promotion of the Development of Small Forms of Enterprises in the Scientific and Technical Sphere, in 2019 design documentation was developed, a prototype of a cogeneration unit was manufactured and tested.

Presentation of products.

 

Prototypes of cogeneration plants

 

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