4 How to Install
This chapter covers mechanical and electrical installations to and from power terminals and control card terminals.
4.1 Overall Typical Frequency Converter Configuration
Fuse
Fuse
Fuse
Fuse
Fuse
Fuse
Fuse
Fuse
Inv #1
Inv #2
Inv #3
Inv #4
R S T
LCL Filter
Fuse
Disconnect
Main PC
Sub PC1
Sub PC2
CT
CT
CT
gate signals
* Control gate signals * Detect currents. * Measure DC voltage. * Control fans.
* Control gate signals * Detect currents. * Control fans.
* Control gate signals * Detect currents. * Control fans.
gate signals
gate signals
44 44
44
MDCIC
FC302 CC
44
MDCIC Functions: * Distribute the gate signals. * Combine the current signals and send it as a total rec current. Detect the overcurrent (IMAX1) per module per phase. * Detect the main voltage phase to synchronize AFE (Only for AFE)
Voltage Detection
Fan Volt
Soft Charge
Soft Charge
AFE #3 Contactor
Fuse:
AFE #2 Contactor
AFE #1 Contactor
Soft Charge
Soft Charge
Soft Charge
Soft Charge
SC Wire Fuse
Fuse:
Fuse:
IM
Trolley
Travel
Fuse
Fuse
Fuse
Fuse
Fuse
Fuse
PC
PC
PC
PC
Soft Charge
Fan Volt
Fan Volt
Fan Volt
Fan Volt
Fan Volt
Fan Volt
Fan Volt Wire Fuse
SC Contactor
Hoist Master
Abbreviations: AFE: Active Front End CC: Control Card MDCIC: Multi-Drive Control Interface Card PC: Power Card
Fan Volt Supply 400V Contactor
400V
630V
Boom
Switch
IM
Hoist Master
IM
IM
IM
130BA683.10
Illustration 4.1 Typical System Overview
How to Install
Operating Instructions
MG33X402
Danfoss A/S © Rev. 05/2014 All rights reserved.
23
4
4
Содержание VLT Active Front End AFE 302
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