Appendices
Contents
App. A
Advantageous Use of Inverters (Notes on Electrical Noise)........................................................................ 1
A.1 Effect of inverters on other devices ..................................................................................................... 1
A.2 Noise ................................................................................................................................................... 2
A.3 Noise prevention.................................................................................................................................. 4
App. B Japanese Guideline for Suppressing Harmonics by Customers Receiving High Voltage or Special High
Voltage (General-purpose Inverter)........................................................................................................... 12
B.1 Application to general-purpose inverters ........................................................................................... 12
B.2 Compliance to the harmonic suppression for customers receiving high voltage or special high
voltage............................................................................................................................................... 13
App. C Effect on Insulation of General-purpose Motors Driven with 400 V Class Inverters .................................. 17
C.1 Generating mechanism of surge voltages ......................................................................................... 17
C.2 Effect of surge voltages..................................................................................................................... 18
C.3 Countermeasures against surge voltages ......................................................................................... 18
C.4 Regarding existing equipment ........................................................................................................... 19
App. D Inverter Generating Loss........................................................................................................................... 20
App. E Conversion from SI Units .......................................................................................................................... 21
App. F Allowable Current of Insulated Wires ........................................................................................................ 23
App. G Replacement Information.......................................................................................................................... 25
G.1 External dimensions comparison tables ............................................................................................ 25
G.2 Terminal arrangements and symbols................................................................................................. 29
G.3 Function code.................................................................................................................................... 36
App. H Precautions for Inverter Connection (When Using the Power Regenerative PWM Converters (RHC
Series)) ..................................................................................................................................................... 75
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