Chapter 1
BEFORE USE
This chapter explains the items to be checked before the use of the inverter.
Contents
1.1 Acceptance Inspection (Nameplate and Inverter Type) ··················································· 1-1
1.2 Product External Appearance ··················································································· 1-3
1.3 Precautions for Using Inverters ················································································· 1-5
1.3.1 Usage environment ························································································ 1-5
1.3.2 Storage environment ······················································································· 1-8
[ 1 ] Temporary storage ························································································· 1-8
[ 2 ] Long-term storage ·························································································· 1-8
1.3.3 Precautions for connection of peripheral equipment ··············································· 1-9
[ 1 ] Phase-advancing capacitors for power factor correction ········································· 1-9
[ 2 ] Power supply lines (application of DC/AC reactors) ··············································· 1-9
[ 3 ] DC reactor (DCR) for correcting the inverter input power factor
(for suppressing harmonics) ············································································· 1-9
[ 4 ] PWM converter for correcting the inverter input power factor ·································· 1-10
[ 5 ] Molded case circuit breakers (MCCB)/earth leakage circuit breakers (ELCB) ············· 1-10
[ 6 ] Magnetic contactor (MC) in the inverter input (primary) circuit ································· 1-10
[ 7 ] Magnetic contactor (MC) in the inverter output (secondary) circuit ···························· 1-10
[ 8 ] Surge absorber/surge killer ············································································· 1-10
1.3.4 Noise reduction ····························································································· 1-11
1.3.5 Leakage current ···························································································· 1-11
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