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ANSI NEMA C136.40-2023 American National Standard for Roadway and Area Lighting Equipment-Solar Lighting Systems, 2023
- 1 Scope [Go to Page]
- 1.1 Luminaire-Integral: A luminaire assembly composed of:
- 1.2 Pole-Integral: A pole assembly composed of:
- 2 Normative References [Go to Page]
- AASHTO LTS-6 Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals
- AASHTO LRFDLTS-1 LRFD Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals
- ANSI C136.22 American National Standard for Roadway and Area Lighting Equipment— Internal Labeling of Luminaires
- ANSI C136.25 American National Standard for Roadway and Area Lighting Equipment— Ingress Protection (Resistance to Dust, Solid Objects, and Moisture) for Luminaire Enclosures
- ANSI C136.30 American National Standard for Roadway and Area Lighting Equipment— Pole Vibration
- ANSI C136.31 American National Standard for Roadway and Area Lighting Equipment—Luminaire Vibration
- ANSI/NFPA 70 National Electrical Code©
- ANSI/IES TM-21 Technical Memorandum: Projecting Long-Term Luminous, Photon, and Radiant Flux Maintenance of LED Light Sources
- ANSI/IES LM-79 Optical and Electrical Measurements of Solid-State Lighting Products
- ANSI/IES LM-80 Measuring Maintenance of Light Output Characteristics of Solid-State Light Sources
- NEMA 250 Enclosures for Electrical Equipment (1000 Volts Maximum)
- 3 Informative References [Go to Page]
- ANSI C136.10 American National Standard for Roadway and Area Lighting Equipment—Locking-Type Photocontrol Devices and Mating Receptacles— Physical and Electrical Interchangeability and Testing
- ANSI C136.41 American National Standard for Roadway and Area Lighting Equipment—Dimming Control Between an External Locking Type Photocontrol and Ballast or Driver
- ANSI/IES RP-8 Lighting Roadway and Parking Facilities
- IEC 60050 International Electrotechnical Vocabulary - Chapter 486: Secondary cells and batteries
- IEC 61427 Secondary cells and batteries for renewable energy systems—General requirements and methods of test
- IEC 61215 Terrestrial photovoltaic (PV) modules - Design qualification and type approval
- IEC 62368-1 Audio/video, information and communication technology equipment
- UL 1741 Inverters, Converters, Controllers and Interconnection System Equipment for Use with Distributed Energy Resources
- UL 1598 Safety for Luminaires
- UL 2108 Low Voltage Lighting Systems
- UL 8801 Photovoltaic (PV) Luminaire Systems
- UL 8750 Light Emitting Diode (LED) Equipment for Use in Lighting Products
- UL 61730-1 Photovoltaic (PV) Module Safety Qualification - Part 1: Requirements for Construction
- UL 61730-2 Photovoltaic (PV) Module Safety Qualification - Part 2: Requirements for Testing
- 4 Definitions [Go to Page]
- Array: A collection of solar panels wired together into a circuit.
- ALR (Array to Load): This is a ratio of the energy collected through the system to the total system load by dividing energy in by energy out. This ratio is usually calculated using insolation values of a location for the worst month of the year, based...
- Battery Management System (BMS): Electronic control circuits that monitor and regulate the charging and discharge of batteries. The battery characteristics monitored include the detection of battery type, voltages, temperature, capacity, state of char...
- Charge Controller / Regulator / Load Controller: A solar charge controller is an electronic component that controls the amount of charge entering and exiting the battery and regulates the optimum and most efficient performance.
- Communications Interface: The wireless communications interface between the solar lighting system(s) and the central management system (CMS) is used to monitor/control generation, energy storage, light output, and system health.
- DOD (Depth of Discharge): The discharged electrical energy divided by the total stored energy.
- Energy Storage: This is the capture of energy produced at one time for use later to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an energy accumulator or battery.
- EPA (Effective Projected Area): This is the measured size of the luminaire’s cross-sectional area, as mapped onto a two-dimensional plane, combined with the appropriate drag coefficient.
- LeTID (Light and elevated Temperature Induced Degradation): A degradation mechanism usually happens with light irradiance and high temperature (> 50 C). The magnitude of this degradation can reach up to 10% for mono-crystalline and multi-crystalline P...
- Lighting Subcomponents: Supporting elements of the electrical circuit that help the luminaire’s functioning.
- LLF (Light Loss Factor): Also known as maintenance factor, LLF is used to calculate the illumination of a lighting system at a specific point in time under general conditions, dirt accumulation, lamp-output depreciation, maintenance procedures, and at...
- Load Controller: Controls the power available from the battery(s), intending to limit the depth of battery discharge for extended battery life.
- Lumen-Hour (Lmh) Rating: A unit used to express the number of hours the energy storage device can sustain the luminaire’s designed maximum lumen output within the energy storage device’s useful capacity without using supplemental power, multiplied by ...
- Luminaire-Integral: An “all-in-one” solution generally ready to mount on an existing or dedicated pole or arm capable of supporting the entire system’s rated Effective Projected Area (EPA) and weight.
- Off-Grid (Standalone): A solar system that’s not connected to the utility electrical distribution system. A system capable of operating independently of an electric utility grid during periods without direct sunlight, and instead relying on local ener...
- Pole Base: A structure permanently installed in the ground that supports and is permanently affixed to one or more poles with permanently attached luminaires.
- Pole-Integral: A solar solution that generally has its subsystems mounted on or in the pole, more commonly on the pole exterior, and may be capable of supporting larger overall lighting electrical loads due to its ability to host larger luminaires, so...
- The Rate of Discharge or Discharge Rate: This is the current flow rate from a cell or battery.
- SOC (State of Charge): The charge level of an electric battery relative to its capacity is expressed as a percentage.
- Solar Generation: The conversion of the sun’s radiation to electricity by utilizing photovoltaic cells.
- Solar Insolation: A measure of solar energy that is incident on a specified area over a set period of time.
- Solar Irradiance: A measure of solar power that is incident on a specified area over a set period of time.
- STC (Standard Test Conditions): The solar irradiation of one kilowatt (kW) per square meter, a module temperature of 25 degrees Celsius, and an Air Mass 1.5 (approximately solar irradiation angle of 45 degrees).
- Subsystems: A self-contained system within the more extensive lighting system.
- System Integrator: Entity that combines subcomponents to form luminaire-integral solar lighting systems or pole-integral solar lighting systems and holds all Nationally Recognized Testing Laboratory (NRTL) certifications for those lighting systems.
- Total Battery Capacity: A unit of measure of battery energy capacity in Ah (Amp-Hours) and Wh (Watt-Hours).
- Useful Capacity: The percentage of the energy storage capacity designed to be used and maintain the required energy discharge cycles at the installation location.
- 5 General [Go to Page]
- 5.1 Solar Lighting Systems [Go to Page]
- 5.1.1 Solar Lighting Systems—Common System Components Configuration
- 6 System Considerations [Go to Page]
- 6.1 Energy Source and Load Relationships
- 6.2 Lighting Autonomy
- 6.3 System Life
- 6.4 Mounting Considerations
- 6.5 System Vibration and Windspeed Rating
- 6.6 Operation in Outdoor Environments
- 6.7 Ambient Temperature
- 7 Luminaires [Go to Page]
- 7.1 Environmental Requirements
- 7.2 Luminaire Vibration
- 7.3 Luminaire Performance
- 8 Batteries [Go to Page]
- 8.1 Battery Installation Requirements
- 8.2 Battery Specifications
- 8.3 Battery Replacement Requirements
- 8.4 Battery Connectors
- 8.5 Battery Cycling and Depth of Discharge
- 8.6 Battery Capacity
- 8.7 Battery Disposal and Environmental Considerations
- 9 PV Array [Go to Page]
- 9.1 Types and Requirements
- 9.2 Array Power and Energy Storage
- 9.3 Vibration
- 9.4 Specifications
- 10 Power Controls [Go to Page]
- 10.1 Charge, Load, and Lighting Controls
- 11 External Luminaire Controls and Communication Interface
- 12 Wiring/Grounding [Go to Page]
- 12.1 Circuit Connections
- 12.2 Terminal Block
- 12.3 Grounding
- 12.4 Cabling
- 13 Internal Labeling
- 14 System Maintenance [Go to Page]
- 14.1 Replacement Parts
- 14.2 Safety Disconnect [Go to Page]
