A grid leak resistor and capacitor unit from 1926.
2.
Billions of tested capacitor unit-hours would be needed to establish failure rates in the very low level range which are required today to ensure the production of large quantities of components without failures.
3.
The largest item of equipment in a TSC, the capacitor bank is constructed from rack-mounted outdoor capacitor units, each unit typically having a rating in the range 500 1000 kilovars ( kVAr ).
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