Chapter 1
BEFORE USE
This chapter explains the items to be checked before the use of the inverter.
Contents
1.1
Acceptance Inspection (Nameplates and Inverter Type) ················································· 1-1
1.2 External View and Terminal Blocks ············································································ 1-3
1.3 Precautions for Using Inverters ················································································· 1-5
1.3.1 Usage environment ························································································ 1-5
1.3.2 Storage environment ······················································································· 1-7
[ 1 ] Temporary storage ························································································· 1-7
[ 2 ] Long-term storage ·························································································· 1-7
1.3.3 Precautions for connection of peripheral equipment ··············································· 1-8
[ 1 ] Phase-advancing capacitors for power factor correction ········································· 1-8
[ 2 ] Power supply lines (Application of a DC/AC reactor) ·············································· 1-8
[ 3 ] DC reactor (DCR) for correcting the inverter input power factor
(for suppressing harmonics) ············································································· 1-8
[ 4 ] PWM converter for correcting the inverter input power factor ··································· 1-8
[ 5 ] Molded case circuit breaker (MCCB) /
residual-current-operated protective device (RCD) /
earth leakage circuit breaker (ELCB) ·································································· 1-9
[ 6 ] Magnetic contactor (MC) in the inverter input (primary) circuit ·································· 1-9
[ 7 ] Magnetic contactor (MC) in the inverter output (secondary) circuit ····························· 1-9
[ 8 ] Surge absorber/surge killer ·············································································· 1-9
1.3.4 Noise reduction ····························································································· 1-10
1.3.5 Leakage current ···························································································· 1-10
1.3.6 Precautions in driving a permanent magnet synchronous motor (PMSM) ··················· 1-10
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