FujiFilm FRENIC5000G11S Series, Technical Information

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Contents
Chapter 7 Glossary
1. Standard Specifications .......................................................................................... 7-2
2. Common Specificationds ........................................................................................ 7-4
Chapter 8 Appendix
Appendix 1. Advantageous Use of Inverters (with regard to Electrical Noise) .............. 8-2
1.1 Effect of inverters on other devices ..................................................................... 8-2
1.1.1 Effect on AM radios ..................................................................................... 8-2
1.1.2 Effect on telephones .................................................................................... 8-2
1.1.3 Effect on proximity limit switches ................................................................. 8-2
1.1.4 Effect on pressure sensors .......................................................................... 8-2
1.1.5 Effect on position detectors
(pulse generators; PGs, or pulse encoders) ................................................ 8-2
1.2 Noise................................................................................................................... 8-2
1.2.1 Inverter noise ............................................................................................... 8-2
1.2.2 Types of noise .............................................................................................. 8-3
1.3 Noise prevention measures ................................................................................ 8-5
1.3.1 Noise prevention treatments prior to installation .......................................... 8-5
1.3.2 Implementation of noise prevention measures ............................................ 8-5
1.3.3 Specific examples ........................................................................................ 8-8
Appendix 2. Effect on Insulation of General-purpose
Motor Driven with 460V Class Inverter.................................................. 8-11
2.1 Operating principle of inverter ........................................................................... 8-11
2.1.1 Main circuit configuration of inverter .......................................................... 8-11
2.1.2 Control method of inverter ......................................................................... 8-11
2.2 Generating mechanism of surge voltages ........................................................ 8-11
2.3 Effect of surge voltages .................................................................................... 8-12
2.4 Countermeasures against surge voltages ........................................................ 8-12
2.4.1 Method to use motors with enhanced insulation........................................ 8-12
2.4.2 Method to suppress surge voltages ........................................................... 8-12
2.5 Regarding existing equipment .......................................................................... 8-13
2.5.1 In case of motor being driven with 400V class inverter ............................. 8-13
2.5.2 In case of existing motor driven newly with 400V class inverter ................ 8-13
Appendix 3. Example Calculation of Energy Savings .................................................. 8-14
2.1 Calculating condition......................................................................................... 8-14
2.2 Calculation of shaft driving power ..................................................................... 8-14
2.3 Calculation of energy savings ........................................................................... 8-14
Appendix 4. Inverter Generating Loss .......................................................................... 8-15
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