Combinations For Multi-Winding Drive Systems; Inspection And Maintenance Of A Multi-Winding Drive System - YASKAWA Sigma-V Series User Manual

1 Outline
1.7

Combinations for Multi-Winding Drive Systems

This section gives the combinations for a multi-winding drive system.
Main Circuit
Power
Supply
Voltage
Three-
phase, 400
VAC
1.8

Inspection and Maintenance of a Multi-Winding Drive System

This section describes the inspection and maintenance of a multi-winding drive system.
(1) Inspections for a Multi-Winding Drive System
The multi-winding drive unit, SERVOPACKs, and converters do not need to be inspected every day. Perform
the following inspections at least once every year. Other routine inspections are not required.
Exterior
Loose Screws
(2) Parts Replacement Schedule for a Multi-Winding Drive System
The following electric or electronic parts are subject to mechanical wear or deterioration over time. To avoid
failure, replace these parts at the frequency indicated.
Refer to the standard replacement period in the following table and contact your Yaskawa representative.
After an examination of the part in question, we will determine whether the parts should be replaced or not.
 Multi-Winding Drive Unit
Electrolytic
Capacitor
 SERVOPACKs and Converters
Cooling Fan
Smoothing Capacitor
Other Aluminum Electrolytic Capacitor
Relays
Fuses
Note: The standard replacement period is given for usage under the following operating conditions.
• Surrounding air temperature: Annual average of 30°C
• Load factor: 80% max.
• Operation rate: 20 hours/day max.
1-16
Servomotor
Model:
Motor Speed
SGMVV-
-1
7EDB
1500 min
Item Frequency
At least once a year
The parameters of any multi-winding drive unit overhauled by Yaskawa are reset to the
factory settings before shipping. Be sure to confirm that the parameters are properly set
before starting operation.
Standard
Part
Replacement Period
10 years
Part
SERVOPACKs
Capacity Model: SGDV-
75 kW 101J
Procedure
Check for dust, dirt, and oil
Clean with compressed air.
on the surfaces.
Check for loose terminal
block and connector Tighten any loose screws.
screws.
Operating Conditions
• Surrounding air temperature: Annual average of 30°C
• Operation rate: 20 hours/day max.
Standard Replacement Period
4 to 5 years
7 to 8 years
5 years
–
10 years
Multi-Winding
Converters
Drive Unit
Model:
Model: JUSP-
SGDV-COA
5EDA MD3DA
Comments