2.9 PV
Ω
Measurement
PVΩ measurement of IR4053 is used to examine insulation
performance of a solar panel. The PV
Ω measurement allows
accurate resistance measurements without the effect from
power generation. See “Measurement Principles” (p. A1),
“Insulation Resistance Measurements for Solar Cell Array”
(p. A3).
The PV
Ω measurement is used to measure insulation resistance
between a solar panel and ground. Use normal insulation
resistance range to measure the insulation resistance between
an output terminal of a solar panel connection box and ground,
and between a power conditioner and ground.
2.9 PVΩ Measurement
Do not short-circuit two wires to be measured by bringing
the metal part of the test lead into contact with them. It
may cause a major accident such as arc.
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