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  Electrical Testing
 

ELECTRIC POWER SYSTEM CHARACTERISTICS

This test is also known as the power supply line voltage and frequency variations test. A few of the measured characteristics are: voltage and frequency modulation, voltage spike, and voltage transient recovery.

VOLTAGE AND FREQUENCY MODULATION

The voltage and frequency modulation testing is the measurement of the effect of supply voltage and frequency variation on the equipment operation. It might be caused, for example, by regularly or randomly repeated applied pulsed loading.

Voltage and frequency modulation testing is specified in the following:

MIL-STD-1399, MIL-STD-16400

 

VOLTAGE SPIKE

The spike voltage testing is the measurement of the effect of a voltage change of very short duration (less than 1ms) on the equipment operation. A voltage spike occurs when the maximum voltage significantly exceeds its average amplitude. This test determines whether the equipment can withstand the effects of voltage spikes arriving at the equipment on its power leads, either ac or dc.

Voltage spike testing is specified in the following:

MIL-STD-1399, MIL-E-16400, RTCA/DO-160D

 

VOLTAGE TRANSIENT RECOVERY

The voltage transient recovery test is a measurement of the voltage and time from initiation of the external supply line disturbance until the voltage recovers and remains within the allowable voltage tolerance limits.

Voltage transient recovery testing is specified in the following:

MIL-STD-1399, MIL-STD-16400

 

 



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