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India’s Sleepwalkers unveils dry-cleaning robotic
device for solar panels
Sleepwalkers has developed an automated robotic device
for solar panel
cleaning that does not require an additional rail system.
By
UMA
GUPTA
23June 2023
From pv
magazine India
![](images/images_06_29_2023/Screenshot-2023-06-23-at-06.33.12-1200x555.png)
Image: Sleepwalkers
Tamil Nadu-based Sleepwalkers has introduced Zero Dirt-BOLT, an
automated robotic device for waterless dust removal from solar panels.
The device operates without rails and is suitable for ground-mounted
and rooftop/RCC installations, including fixed, seasonal tilt, and
single-axis trackers.
The company claims that the robotic device achieves 99% cleaning
efficiency, making it ideal for PV installations in deserts. It is
available in automated and semi-automated models, offering dry, wet,
or hybrid cleaning modes.
According to Anil Zinjurke, chief marketing officer of Sleepwalkers,
the robot is powered by an onboard lithium battery and can travel 2 km
to 3 km on a single charge. It can clean more than 2 MW in a day,
depending on site conditions. The installation is easy, as no extra
railing is required.
“The
automatic models self-charge from inbuilt solar panels. In the
pick-and-place model, a battery swapping facility is provided,” said
Zinjurke. “Our wet cleaning robots can reduce the water consumption by
half, compared to the conventional manual wet cleaning.”
The PV cleaning robot is designed to handle panel-to-panel
irregularities up to 25 mm and land slope undulations up to 15
degrees. It features a high torque motor, industrial-grade controller,
SCADA and cloud connectivity, and weather monitoring.
Zero Dirt-BOLT robots are UL-certified and are currently deployed for
around 300 MW of PV capacity, in various sizes ranging from 2 meters
to 8 meters.
Green Play Ammonia™, Yielder® NFuel Energy.
Spokane, Washington. 99212
www.exactrix.com
509 995 1879 cell, Pacific.
exactrix@exactrix.com
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