3 Theory
3.0 Introduction
The 840PL-HD has a user tested and approved digital 7” color touchscreen display and now boasts a longer
duty cycle with no voltage restrictions other than the maximum output. Users can now program hipot test
sequences in automatic mode or simply control the test voltage using manual mode. It is also equipped with
data acquisition software for exporting test results via USB 2.0. The 840PL-HD has extensive safety features,
including external interlocks, built-in safety checks, visible and audible warning indicators, automatic output
grounding, and an easily accessible emergency stop button to ensure operator safety under all
circumstances.
3.1 Application
Medium-Voltage cable testing according to IEEE 400-1 and ANSI/NETA ATS, as well as ICEA S-94-649.
This robust design and construction is useful for testing high capacitive loads other Hipots can’t such as large
hydro-generators and motor windings.
Periodic Electrical Testing for Insulating Aerial Devices with a lower test electrode system (Category A and B)
and without a lower test electrode system (Category C, D, and E) up to 46kV rating in accordance with ANSI
A92.2-2015.
Periodic Electrical Testing for Insulating Aerial Ladders and Insulating Vertical Aerial Towers of rating 46kV
and below according to ANSI 92.2-2015.
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