Environmental testing of high-voltage power supplies will generally follow
the same guidelines as required for low-voltage power supplies. The additional
tests required over and above those required for low-voltage power supplies
(1) Arc Testing - which may create localized high temperature and a
possible fire danger.
(2) Pressure Vessel/Explosion Testing - mainly used when liquid or gas
dielectrics are used, both of which require containers that may or may not be
(3) Leak testing if pressurized.
The external connections to the high-voltage power supplies must be
designed to withstand at least two times the rated output voltage for use in
various test configurations such as:
(1) Vibration tables
(2) Temperature chambers
(3) Altitude chambers
(4) EMI test facilities
(5) Explosion chambers.
The connections must be 100% tested prior to mating with the high-voltage
power supplies and the test fixture should be designed to ensure operator
safety at all times.