Danfoss VLT 12 Pulse Manuals

Manuals and User Guides for Danfoss VLT 12 Pulse. We have 1 Danfoss VLT 12 Pulse manual available for free PDF download: Service Manual

Danfoss VLT 12 Pulse Service Manual (192 pages)

High Power F Frames

Brand: Danfoss | Category: Media Converter | Size: 24 MB

Table of Contents
2
Introduction
7
Purpose
7
VLT FC Product Overview
7
For Your Safety
7
Electrostatic Discharge (ESD)
7
Frame Size Definitions
8
12-Pulse Frame Size Definitions
8
Ratings Tables
9
12-Pulse Ratings Tables
12
FC 100 and FC
12
Mains Supply 3 X 380 - 480/500 VAC
12
Mains Supply 3 X 525 - 690 VAC
14
Mains Supply 3 X 380 - 480/500 VAC
17
Mains Supply 3 X 525 -690 VAC
19
Optional Components
22
Optional F-Frame Components
22
Tools Required
22
General Torque Tightening Values
23
Exploded Views
24
Operator Interface and Control
37
Introduction
37
Operating the Frequency Converter
37
Operation and Programming through the LCP
37
Local Control Panel (LCP)
37
Display Area
38
Menu Keys
38
Navigation Keys
38
Controller Operation Keys
39
Numeric Local Control Panel (NLCP)
39
Tips and Tricks
40
Status Messages
40
Service Functions
43
Frequency Converter Inputs and Outputs
44
Input Signals
44
Output Signals
45
Control Terminals
45
Control Terminal Functions
46
Earthing Screened Cables
48
Internal Frequency Converter Operation
49
General
49
Description of Operation
49
Logic Section
49
Logic to Power Interface
50
Power Section
51
Sequence of Operation
52
Rectifier and Option Cabinet
52
Intermediate Section
54
Inverter Section
55
Brake Option
57
Cooling Fans
58
Fan Speed Control
58
Load Sharing
58
Specific Card Connections
59
Troubleshooting
60
Troubleshooting Tips
60
Exterior Fault Troubleshooting
60
Fault Symptom Troubleshooting
60
Visual Inspection
62
Fault Symptoms
63
No Display
63
Intermittent Display
63
Motor will Not Run
63
Incorrect Motor Operation
63
Alarms and Warnings
64
Warning and Alarm Definitions
68
After Repair Tests
75
Frequency Converter and Motor Applications
76
Torque Limit, Current Limit, and Unstable Motor Operation
76
Overvoltage Trips
77
Mains Phase Loss Trips
77
Control Logic Problems
77
Programming Problems
78
Motor/Load Problems
78
Internal Frequency Converter Problems
79
Overtemperature Faults
79
Open (Blown) Fuses
79
Current Sensor Faults
79
Electromagnetic Interference
80
Effect of EMI
80
Sources of EMI
81
EMI Propagation
82
Preventive Measures
84
Proper EMC Installation
85
Test Procedures
86
Introduction
86
Tools Required for Testing
86
Signal Test Board
86
Static Test Procedures
86
Rectifier Module Static Test
88
Inverter Module Static Tests
91
Test Point Access
91
Inverter Test Part I
92
Inverter Test Part
92
Brake IGBT Test
93
Fan Continuity Test
93
Dynamic Test Procedures
95
Split Bus Mode
95
Warnings
96
No Display Text
96
Input Voltage Test
96
Basic Control Card Voltage Test
96
DC Undervoltage Test
97
Input Imbalance of Supply Voltage Test
97
Input Waveform Test
97
Gate Signal Test
98
IGBT Switching Test
98
Current Sensor Test
99
Testing Current Feedback with the Signal Test Board
99
Input Terminal Signal Test
99
Module-Level Static Test Procedures
100
Inverter Module
100
Rectifier Module
101
After Repair Drive Test
102
Procedure
102
Top Level Module Removal Instructions
103
Before Proceeding
103
High Voltage Warning
103
Optional Circuit Breaker or Disconnect Switch
103
Tools Required
103
F-Frame Service Shelf
104
Instructions
104
AC Line Input Fuses
104
DC Link Fuses
106
Door Fans
106
Heatsink Fans
107
Rectifier Module
108
Inverter Module
109
MDCIC Mounting Panel
110
Fan Transformers
111
DC Link Inductor
111
MDCIC Board
112
Disassembly/Assembly - Inverter Module
114
For Your Safety
114
Danfoss Training Required
114
Inverter Module
115
Inverter Module, Exploded View
115
Internal Access
116
Power Card
116
Upper Capacitor Bank Assembly (Without Removing Power Card)
116
Lower Capacitor Bank Assembly
117
High Frequency Board
117
Gate Drive Card
118
Current Sensor
119
Brake IGBT Module (Optional)
119
IGBT Module
120
Disassembly/Assembly - Rectifier Module
121
For Your Safety
121
Danfoss Training Required
121
Rectifier Module
121
Internal Access
121
Power Card
121
12-Pulse MPIC
122
Power Card Mounting Plate
122
Soft Charge Card Mounting Plate
123
Soft Charge Resistor
124
Heatsink Thermal Sensor
124
SCR Modules
124
Diode Module
125
Special Test Equipment
126
Test Equipment
126
Split-Bus Power Supply
126
Signal Test Board (P/N 176F8437)
126
Signal Test Board Pin Outs: Description and Voltage Levels
127
Spare Part Lists
133
Spare Parts for 380-480/500 VAC Drives
133
Spare Parts for 525-690 VAC Drives
145
Spare Parts for 380-500 VAC 12 Pulse
156
Spare Parts for 525-690 VAC 12 Pulse
170
Block Diagrams
184

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Danfoss VLT 12 Pulse Service Manual (192 pages)

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