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7-15
7-2-8 Controller or AM Radio Receives Noise when
Inverter is Started
•
Noise derives from Inverter switching.
Take the following actions to prevent noise.
S
Lower the carrier frequency of the Inverter in n46.
The number of internal switching times is reduced, so noise can be reduced to
some extent.
S
Install an Input Noise Filter.
Install an Input Noise Filter on the power input area of the Inverter.
S
Install an Output Noise Filter.
Install an Output Noise Filter on the output area of the Inverter.
S
Use metal tubing.
Electric waves can be shielded by metal. Therefore, enclose the Inverter with a
metal tube.
7-2-9 Ground Fault Interrupter is Actuated when
Inverter is Started
•
Leakage current flows through the Inverter.
The Inverter performs internal switching. Therefore, a leakage current flows through
the Inverter. This leakage current may actuate the ground fault interrupter, shutting
the power off.
Use a ground fault interrupter with a high leakage-current detection value (sensitivity
amperage of 200 mA or more, operating time of 0.1 s or more) or one with high-fre-
quency countermeasures for Inverter use.
Reducing the carrier frequency value in n46 is also effective.
In addition, remember that a leakage current increases in proportion to the cable
length. Normally, approximately 5 mA of leakage current is generated for each meter
of cable.
Maintenance Operations
Chapter 7
Summary of Contents for SYSDRIVE 3G3JV-AB001
Page 1: ...USER S MANUAL FIRST DRAFT SYSDRIVE 3G3JV Compact Simplified Inverter Cat No I528 E1 1...
Page 3: ...Chapter 1 Overview 1 1 Function 1 2 Nomenclature 1...
Page 9: ...Chapter 2 Design 2 1 Installation 2 2 Wiring 2...
Page 43: ...Chapter 3 Preparing for Operation and Monitoring 3 1 Nomenclature 3 2 Outline of Operation 3...
Page 52: ...3 10 Preparing for Operation and Monitoring Chapter 3...
Page 53: ...Chapter 4 Test Run 4 1 Procedure for Test Run 4 2 Operation Example 4...
Page 62: ...4 10 Test Run Chapter 4...
Page 131: ...7 22 Maintenance Operations Chapter 7...
Page 132: ...Chapter 8 Specifications 8 1 Inverter Specifications 8 2 Option Specifications 8...
Page 138: ...Chapter 9 List of Parameters 9...
Page 150: ...Chapter 10 Using the Inverter for a Motor 10...
Page 165: ...Revision History 10 2...
Page 166: ...Cat No I528 E1 1 SYSDRIVE 3G3JV Compact Simplified Inverter USER S MANUAL...