Table of Contents
1.0INTRODUCTIONANDDESCRIPTION
1.1PurposeofthisDocument
1.2Background
1.3RelationshiptoOtherSpecificationsand
Standards
1.3.1ARINCReport413A
1.3.2MILSTD704D
1.3.3RTCADO-160B
1.3.4RTCA-DO-178A
1.3.5ARINCReport604
1.4UseofARINCReport609
1.5DefinitionofTerms
2.0SYSTEMDESIGNCONSIDERATIONSFORAIRCRAFT
ELECTRICALPOWER
2.1General
2.2RegulatoryandOtherConcerns
2.3PowerSources
2.3.1GeneralConsiderations
2.3.2Emergency/AbnormalOperation
2.3.3GroundPower
2.3.3.1Overvoltage
2.3.3.2Undervoltage
2.3.3.3DifferentialFault
2.3.4GroundPower
2.4PowerDistribution
2.4.1DistributionArchitecture
2.4.1.1SystemLayout
2.4.1.2BusControlConsiderations
2.4.1.3PowerFeeders
2.4.1.4PowerSwitching
2.4.2ElectricalPowerCenters(EPCs)
2.4.3ProtectionandControl
2.4.3.1FailureProtection
2.4.3.2ControlConsiderations
2.4.4GroundingandBonding
2.4.4.1Grounding
2.4.4.2Bonding
2.4.5LightningProtection
2.5Built-InTestEquipment(BITE)
3.0AIRCRAFTELECTRICALPOWERCOMPONENTDESIGN
3.1General
3.2ACSystems
3.2.1CommonConsiderations
3.2.2ProposedStandards115Volt/400HzSystem
3.2.2.1SummaryDescription
3.2.2.2VoltageRegulation
3.2.2.2.1NormalSteadyState
3.2.2.2.2AbnormalSteadyStateVoltageLimits
3.2.2.3VoltageTransients
3.2.2.3.1NormalVoltageTransientLimits
3.2.2.3.2AbnormalTransientVoltageLimits
3.2.2.4VoltageUnbalance
3.2.2.5PhaseUnbalance
3.2.2.6WaveForm
3.2.2.7DCContent
3.2.2.8VoltageModulation
3.2.2.9VoltageInterruptions
3.2.2.9.1NormalConditions
3.2.2.9.2AbnormalConditions
3.2.2.10FrequencyRegulation
3.2.2.11FrequencyTransients
3.2.2.12FrequencyModulation
3.2.2.13Non-LinearLoading
3.2.3ProposedStandards230Volt/400HzSystem
3.2.3.1SummaryDescription
3.2.3.2VoltageRegulation
3.2.3.2.1NormalSteadyState
3.2.3.2.2AbnormalSteadyStateVoltageLimits
3.2.3.3VoltageTransients
3.2.3.3.1NormalVoltageTransientLimits
3.2.3.3.2AbnormalTransientVoltageLimits
3.2.3.4VoltageUnbalance
3.2.3.5PhaseUnbalance
3.2.3.6WaveForm
3.2.3.7DCContent
3.2.3.8VoltageModulation
3.2.3.9VoltageInterruption
3.2.3.9.1NormalConditions
3.2.3.9.2AbnormalConditions
3.2.3.10FrequencyRegulation
3.2.3.11FrequencyTransients
3.2.3.12FrequencyModulation
3.2.4ProposedStandards115Volt/Variable
FrequencySystem
3.2.4.1SummaryDescription
3.2.4.2VoltageRegulation
3.2.4.2.1NormalSteadyState
3.2.4.2.2AbnormalSteadyStateVoltageLimits
3.2.4.3VoltageTransients
3.2.4.3.1NormalVoltageTransientLimits
3.2.4.3.2AbnormalOvervoltageTransients
3.2.4.3.3AbnormalUndervoltageTransients
3.2.4.4VoltageUnbalance
3.2.4.5PhaseUnbalance
3.2.4.6Waveform
3.2.4.7DCContent
3.2.4.8VoltageModulation
3.2.4.9VoltageInterruptions
3.2.4.9.1NormalConditions
3.2.4.9.2AbnormalConditions
3.2.4.9.3SystemShutdown
3.2.4.10FrequencyRegulation
3.2.4.11FrequencyTransients
3.3DCSystems
3.3.1CommonConsiderations
3.3.2ProposedStandards28VoltDCSystem
3.3.2.1SummaryDescription
3.3.2.2VoltageRegulation
3.3.2.2.1NormalSteadyState
3.3.2.2.2AbnormalSteadyState
3.3.2.3VoltageTransients
3.3.2.3.1NormalSurgeVoltage
3.3.2.3.2AbnormalSurgeVoltage
3.3.2.4VoltageInterruptions
3.3.2.4.1NormalConditions
3.3.2.4.2AbnormalConditions
3.3.2.5RippleandSpikeContent
3.3.3ProposedStandards270VoltDCSystem
3.3.3.1SummaryDescription
3.3.3.2VoltageRegulation
3.3.3.2.1NormalSteadyState
3.3.3.2.2AbnormalSteadyState
3.3.3.3VoltageTransients
3.3.3.3.1NormalSurgeVoltage
3.3.3.3.2AbnormalSurgeVoltage
3.3.3.4VoltageInterruptions
3.3.3.4.1NormalConditions
3.3.3.4.2AbnormalConditions
3.3.4ProposedStandards50-160VoltDC(Avionics)
System
3.3.4.1SummaryDescription
3.3.4.2VoltageRegulation
3.3.4.2.1NormalSteadyState
3.3.4.2.2AbnormalSteadyState
3.3.4.3VoltageTransients
3.3.4.3.1NormalSurgeVoltage
3.3.4.3.2AbnormalSurgeVoltage
3.3.4.4VoltageInterruptions
3.3.4.4.1NormalConditions
3.3.4.4.2AbnormalConditions
3.3.4.5RippleandSpikeContent
3.3.5ProposedStandardsCentralPowerSupply
System(+/-15+/-5.2VoltDC)
3.3.5.1SummaryDescription
3.3.5.2Regulation
3.3.5.2.1NormalSteadyState
3.3.5.2.2LimitsatUserTerminal
3.3.5.3VoltageTransients
3.3.5.3.1OvervoltageProtection
3.3.5.3.2UndervoltageProtection
3.3.5.3.3OvercurrentProtection
3.3.5.4VoltageInterruptions
3.3.5.5RippleandSpikeContent
3.3.5.6PowerHold-Up
3.3.5.7SoftStart
3.3.5.8PowerValidityDiscrete
3.3.6Batteries
3.3.6.1BatteryChargingCriteria
3.3.6.1.1ChargeCurrentRequirement
3.3.6.1.2BatteryChargerAircraftElectricalPower
SourceRequirements
3.3.6.1.3BatteryCapacityRating
3.3.6.2BatteryChargingTechniques
3.3.6.3UtilizationEquipmentConsiderations
4.0AIRCRAFTELECTRICALPOWERDISTRIBUTION,
PROTECTIONANDCONTROLCHARACTERISTICS
4.1General
4.2SpecialRequirements
4.3DistributionConsiderations
4.4DistributionProtectionPhilosophy
4.5ControlPhilosophy
4.6SummaryofDifferentSystemConsiderations-
SpecificLimits
4.7Requirements
4.7.1LineVoltageDrop
5.0AIRCRAFTELECTRICALPOWERUTILIZINGEQUIPMENT
DESIGN
5.1General
5.2Avionics
5.3ElectricMotorsandElectromechanical
Actuators
5.4Heaters
5.5Lighting
6.0CONSIDERATIONSFORTHEALL-ELECTRICAIRPLANE
6.1Background
ATTACHMENTS
1115and230Volt/400HzLimits
228VDCTransientLimits
3EnvelopeofVoltageSpikes
4270VDCLimits
5AbnormalTransientVoltage115Volt/400Hz
System
6AbnormalTransientVoltage230Volt/400Hz
System
7ProposedVoltageTransientLimitsfor
C.V.V.F.ACGenerators
8AbnormalTransientVoltage115Volt/Variable
VoltageSystem
Abstract
Serves as guidelines for designers of aircraft power system components and of power utilization components, both power converters such as motors, heaters and avionics.
