MIL-STD-1399-3008
CONTENTS
PARAGRAPH PAGE
1. SCOPE..................................................................................................................................................................1
1.1 Scope ...........................................................................................................................................................1
1.2 Classification ...............................................................................................................................................1
1.2.1 Special power classification for avionic shops and aircraft servicing ......................................................1
1.2.2 Special power classification for NATO load equipment ..........................................................................1
1.2.3 Special non-standard power......................................................................................................................1
1.3 Electrical interface.......................................................................................................................................1
2. APPLICA8LE DOCUMENTS ............................................................................................................................3
2.1 General ........................................................................................................................................................3
2.2 Government documents...............................................................................................................................3
2.2.1 Specifications, standards, and handbooks.................................................................................................3
2.2.2 Other Government documents, drawings, and publications .....................................................................3
2.3 Order of precedence ....................................................................................................................................3
3. DEFINITIONS .....................................................................................................................................................4
3.1 Electric power system..................................................................................................................................4
3.2 Electric power system ground .....................................................................................................................4
3.2.1 Ungrounded electric power system ..........................................................................................................4
3.2.2 High resistance-grounded electric power system .....................................................................................4
3.3 Frequency ....................................................................................................................................................4
3.3.1 Nominal frequency ...................................................................................................................................4
3.3.2 Frequency tolerance..................................................................................................................................4
3.3.3 Frequency modulation ..............................................................................................................................4
3.3.4 Frequency transients.................................................................................................................................5
3.3.4.1 Frequency transient tolerance................................................................................................................5
3.3.4.2 Frequency transient recovery time.........................................................................................................5
3.4 Voltage ........................................................................................................................................................5
3.4.1 Nominal user voltage................................................................................................................................5
3.4.2 User voltage tolerance ..............................................................................................................................5
3.4.3 Voltage unbalance (line-to-line)...............................................................................................................6
3.4.4 Voltage modulation (amplitude)...............................................................................................................6
3.4.5 Voltage transients .....................................................................................................................................7
3.4.5.1 Voltage transient tolerance ....................................................................................................................7
3.4.5.2 Voltage transient recovery time.............................................................................................................7
3.4.6 Voltage spike............................................................................................................................................7
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