BS 3G 100-3:1979

Foreword
Specification
1 Scope
2 Definitions
3 General requirements
4 Constant-frequency a.c. power system characteristics
5 Variable-frequency a.c. power system characteristics
    (including rotorcraft applications)
6 D.C. power system characteristics
7 Utilization equipment
8 Explanatory details
Appendix
A Transient voltage check tests
Tables
1 Steady-state a.c. voltage limits
2 Steady-state d.c. voltage limits
Figures
1 Diagram of phase sequence and line designations
2 R.M.S. voltage of components of voltage modulation
    envelope
3 Characteristics of a.c. frequency modulation
4 Envelopes for step-functions for a.c. surges
    (constant-frequency systems)
5 Envelopes of frequency transients on a.c. supplies
6 Envelopes for step-functions for a.c. surges
    (variable-frequency systems)
7 Frequency characteristics of ripple in d.c. systems
8 Envelopes for step-functions for d.c. surges where
    the d.c. power source is a d.c. generator or a TRU
    supplied from a variable-frequency a.c. system
9 Envelopes for step-functions for d.c. surges where
    the d.c. power source is a TRU fed from a constant-
    frequency a.c. supply
10 Power factor limits for a.c. equipment
11 Conversion of a transient voltage surge to its
    equivalent step functions
12 Typical voltage spike test arrangement
13 Voltage spike waveform

Gives characteristics of electrical power supplied to the terminals of airborne equipment and provides limits for those aspects of utilization equipment that may adversely affect the characteristics of electrical power supplied to other equipment. Aims to achieve compatibility between airborne utilization equipment and aircraft electrical power supplies. Includes transient voltage check tests.