5MW Ground Mounted Solar Power Plant

Cleaning Type: Robotic Dry Cleaning

CURRENT CHALLENGES

Dust Intensity

Amount of dust on solar panel was extensively high as most of the solar panels were not  cleaned for more than 20 days. And few of the tables were not cleaned for more than 35  days

cleaning-difference

Water Scarcity

Due to the limited resources of water, it is difficult and time‐consuming process to clean  solar panels without water.

Spots due to water droplets

When panels are cleaned with water spray and the residual water is not wiped after  spraying, dust particles sticks with solar module glass.

water-droplets

“Uncleaned solar panels leads to loss in energy generation by 10-30%”​

PRODUCT USED

Specifications:

Total Dimensions: 4030mm x 550mm

Weight: 30 Kg

Cleaning Speed: 14 Modules/Minute

Brush: Microfiber Cloth

Type: Semi-Automatic dry cleaning

Power Consumption: 48 Watts

Battery Capacity: 12V 30Ah

5-10mw-solapur

CLEANING CYCLE

Cleaning was performed on modules connected to 15 SMB (Row No 1 to 22) which includes 50% of inverter 2 Modules and Inverter 3 Complete modules.

Day 1:

Modules cleaned: 840 (Row 21 & Row 22)

Day 2

Modules cleaned: 3940 (Row 23 to Row 13)

Day 3:

Modules cleaned: 3600 (Row 12 to Row 04)

Day 4:

Modules cleaned: 340 (Row 01 to Row 03)

5mw-solapur

RESULTS

1. After cleaning the solar modules, comparing with the clear sky generation of January 25 with regular wet cleaning and clear sky generation of February 25, 2020 with Taypro Semi-Automatic Robotic Solar Panel Dry Cleaning, generation has been improved from 8095.4 kWh (Irradiance 1033 W/m2) to 11072.2 kWh (1065 W/m2) -Energy Generation increased by approximately 26% with global irradiance increase of 3% (PGIS Data) .

2. Generation Readings by Inverter on 25th February 2020

a. Inverter 1: 10858.2 kWh

b. Inverter 2: 10533.8 kWh

c. Inverter 3: 11072.2 kWh

3. 3 liters of water is was used earlier to clean 1 solar module. Hence, 26160 Liters of water is saved for cleaning of 8720 Modules.

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