Concepts
An explanation of how something works, or a domain term (maximum power point, bifaciality, grid-forming, DC/AC ratio, net metering, temperature coefficient).
- Accelerated life testing
- Active power
- Air mass
- Albedo
- Ampacity
- ANSI device numbers
- Anti-islanding detection methods
- Apparent power
- Arc flash incident energy
- Area electric power system
- Array boundary
- Authority having jurisdiction
- Automatic reclosing
- Availability guarantee
- Backtracking
- Backup transfer time
- Bathtub failure curve
- Battery charging stages
- Bifaciality
- Daisy-chain and star topology
- 120% busbar rule
- C-rate
- Cable management
- Cease to energize
- Clear-sky irradiance model
- Continuous load
- Grid code setting
- Crystalline silicon PV
- Current transformer operation
- Curtailment
- Cycle life
- Data acquisition system
- DC/AC ratio
- DC injection
- DC link
- Demand charge
- Demand response
- Depth of discharge
- Diffuse horizontal irradiance
- Direct normal irradiance
- Distributed energy resource
- Double-diode model proposed
- Dynamic electricity tariff
- Effective grounding
- Effective irradiance proposed
- Electric power system proposed
- Electromagnetic compatibility
- Energy arbitrage
- Energy balance at the grid connection point
- Energy loss waterfall
- Energy yield assessment
- Equipment grounding
- Equipotential bonding
- Expected energy model
- Feed-in tariff
- Fill factor
- Flow battery
- Galvanic isolation
- Global horizontal irradiance
- Grid code
- Grid-following inverter
- Grid-forming inverter
- Grid impedance
- Ground coverage ratio
- Grounding electrode system
- Half-cut cells
- Harmonic distortion
- Heterojunction cell
- IEEE 1547 performance categories
- Independent MPP trackers
- Enclosure protection rating
- Interconnection process
- Inverter cooling
- DHCP and static IP addressing
- Irradiance transposition
- Islanding
- I-V characteristic curve
- Lead-acid battery
- Listed equipment
- Lithium-ion battery
- Lithium iron phosphate
- Load leveling proposed
- Local electric power system proposed
- Maximum power point
- Mismatch loss
- Modbus addressing
- Module-level monitoring
- Module temperature model
- MPPT voltage range
- Nameplate rating
- National Solar Radiation Database proposed
- Net billing
- Net metering
- Neutral-ground bond
- Nickel-cadmium battery
- Nickel manganese cobalt
- No-load losses
- Nominal operating cell temperature
- O&M contract
- OND file
- Open-loop and closed-loop control
- Open-circuit voltage
- Overcurrent protection
- P50/P90 energy estimates
- PAN file
- PERC cell
- Permission to operate
- Permit plan set
- Phase unbalance
- Photovoltaic effect
- Plane-of-array irradiance
- Point of common coupling proposed
- Point of interconnection
- Power factor
- Utility power factor penalty
- Power purchase agreement
- Power quality
- Power vs energy
- P-Q capability diagram
- Protection coordination
- PVUSA test conditions rating
- P-V characteristic curve
- Cybersecurity of PV systems
- PV hazard control
- PV module end of life
- Reactive power
- Reactive power sign convention
- Reference point of applicability proposed
- Register data encoding
- Remote monitoring
- Renewable energy certificate
- Repowering
- Revamping proposed
- Revenue-grade metering
- SCADA
- Self-consumption
- Self-sufficiency
- Series and parallel arc faults
- Shading loss
- Short-circuit current
- Short-circuit ratio
- Single-diode model
- Single-line diagram
- Site survey
- Smart inverter
- SoC estimation methods
- Standard test conditions
- State of charge
- State of health
- String sizing
- Symmetrical components
- System voltage class
- Temperature coefficient
- Thermal derating
- Thin-film PV
- Time-of-use rate
- TOPCon cell
- Tracker stow
- Transformer winding configuration
- Transformerless inverter topology
- Type test and unit certificate
- Typical meteorological year
- Usable energy capacity
- Utility rate structures
- Virtual net metering proposed
- Virtual power plant
- Voltage drop
- Voltage levels
- Voltage rise
- Weibull distribution proposed
- Working space clearance