Raptor Maps

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O&M Data Requirements

Image collection and data requirements for solar operation and maintenance inspections.

Thermal Imagery

GROUND SAMPLE DISTANCE

Type of Inspection Raptor Overview Raptor Standard Raptor Comprehensive
Description Ideal for rapid drone flights and string-level outages Ideal for annual preventative maintenance Meets IEC TS 62446-3 thermography standards
Smallest visible features Module Diode, Hot Spot, and Cell Absolute Temperature Accuracy
Ground sample distance 15.0 ± 5.0 cm/pixel 5.5 ± 0.5 cm/pixel 3.0 ± 0.5 cm/pixel
Maximum speed 30 mph 12 mph 7 mph

IMAGE RESOLUTION

640x512 pixels or greater

FIELD OF VIEW

Horizontal field of view 30-50 degrees

GIMBAL PITCH

Nadir (straight down) with deviation up to 20 degrees acceptable (to avoid glare)

OVERLAP

80% front overlap (direction of flight) and 20% side overlap

IMAGE ALIGNMENT

The horizontal edge of the image aligns with the long edge of the solar rows See special instructions for fixed-wing drones

FILE FORMAT

Radiometric JPEG (R-JPEG)
Metadata must contain GPS location, relative altitude, gimbal pitch, gimbal yaw, gimbal roll and timestamp

IMAGE QUALITY

Imagery must be free from motion blur.
Imagery must contain minimal glare.

Visible (RGB) Imagery

GROUND SAMPLE DISTANCE

Type of Inspection Raptor Overview Raptor Standard Raptor Comprehensive
Description Ideal for rapid drone flights and string-level outages Ideal for annual preventative maintenance Ideal for warranty inspection
Smallest visible features Module Cell Sub-cell
Ground sample distance 5 ± 1.0 cm/pixel 2.0 ± 1.0 cm/pixel 1.0 ± 0.5 cm/pixel

IMAGE RESOLUTION

4000x3000 pixels or greater

FIELD OF VIEW

50 degrees or greater

GIMBAL PITCH

Nadir (straight down) with deviation up to 20 degrees acceptable (to avoid glare)

OVERLAP

80% front overlap (direction of flight) and 20% side overlap

IMAGE ALIGNMENT

The horizontal edge of the image aligns with the long edge of the solar rows See special instructions for fixed-wing drones

FILE FORMAT

JPEG
Metadata must contain GPS location, relative altitude, gimbal pitch, gimbal yaw, gimbal roll and timestamp

IMAGE QUALITY

Imagery must be free from motion blur.
Imagery must contain minimal glare.

Environmental Conditions

Skies clear and sunny or slightly overcast
Irradiance greater or equal to 600 Watts per square meter
*We recommend irradiance meter use to confirm sufficient irradiance.
Humidity ideally less than 60%
Wind below 6.7 m/s (15 MPH)

Base Layer Imagery (optional)

An additional data set is required to collect base layer imagery if the site is less than 1 year old and/or no satellite imagery is available.

Same requirements as RGB Imagery except the following deviations.

GROUND SAMPLE DISTANCE

5 ± 1 cm/pixel

GIMBAL PITCH

Nadir (straight down) with deviation up to 10 degrees acceptable (to avoid glare)

OVERLAP

70% front overlap (direction of flight) and 70% side overlap

O&M DATA REQUIREMENTS VERSION 4 © 2019 RAPTOR MAPS, INC.


What's Next

Various flight guidelines and recommendations are available to meet the data requirements.

O&M Flight Guidelines

O&M Data Requirements


Image collection and data requirements for solar operation and maintenance inspections.

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