MV3DB Series DB Units
Contents
(07/06)
ALSPA MV3000e Dynamic Braking Units
Page iii
TABLE OF CONTENTS
Section
Page
1.
Introduction ................................................................................................................................. 1-1
1.1
About this Manual ......................................................................................................................... 1-1
1.2
About the ALSPA MV3000e Dynamic Braking Unit...................................................................... 1-1
1.3
Range of DB Units covered by this Manual .................................................................................. 1-2
1.4
Range of Standard Braking Resistors supplied by Converteam
.................................................. 1-2
1.5
Identity Codes ............................................................................................................................... 1-2
1.6
Use of Metric Units........................................................................................................................ 1-2
1.7
Customer Support and Training.................................................................................................... 1-3
1.8
Associated Publications ................................................................................................................ 1-3
2.
Specifications.............................................................................................................................. 2-1
2.1
Electrical Specification of DB Units and Standard Braking Resistors........................................... 2-1
2.2
Duty Cycle ..................................................................................................................................... 2-2
2.3
Data Common to all DB Units ....................................................................................................... 2-2
2.4
Safety Standards........................................................................................................................... 2-3
2.5
Illustration of Ratings..................................................................................................................... 2-4
3.
System Design ............................................................................................................................ 3-1
3.1
Introduction ................................................................................................................................... 3-1
3.2
Functional Description................................................................................................................... 3-1
3.3
Standard Braking Resistor Selection ............................................................................................ 3-1
3.4
Alternative Braking Resistor Selection.......................................................................................... 3-2
3.5
Calculation for Alternative Resistors ............................................................................................. 3-2
3.5.1
Calculation Based on Power.................................................................................................... 3-2
3.5.2
Calculation Based on Inertia .................................................................................................... 3-3
3.6
Equivalence of Duty Cycles .......................................................................................................... 3-4
3.6.1
For braking times longer than 18 seconds:.............................................................................. 3-4
3.6.2
For braking times less than 18 seconds: ................................................................................. 3-5
3.7
Braking Resistor Cable Selection ................................................................................................. 3-5
3.8
Resistor Protection........................................................................................................................ 3-6
3.8.1
Internal Protection.................................................................................................................... 3-6
3.8.2
External Protection................................................................................................................... 3-7
3.9
Cabinet layout and EMC ............................................................................................................... 3-8
4.
Installation ................................................................................................................................... 4-1
4.1
Introduction ................................................................................................................................... 4-1
4.2
Receipt of Equipment.................................................................................................................... 4-1
4.2.1
Inspection................................................................................................................................. 4-1
4.2.2
Storage..................................................................................................................................... 4-1
4.2.3
Handling ................................................................................................................................... 4-1
4.3
Installing the DB Unit..................................................................................................................... 4-2
4.3.1
Cable Lugs and Recommended Torque Settings.................................................................... 4-2
4.3.2
Access to Drive Components................................................................................................... 4-3
4.3.3
Installation to Frame Size 3 Drives .......................................................................................... 4-4
4.3.4
Installation to Frame Size 4 Drives ........................................................................................ 4-10
4.3.5
Installation to Frame Size 6 Drives ........................................................................................ 4-14
4.3.6
Installation to Frame Size 7 Drives ........................................................................................ 4-18
4.4
Installing the Braking Resistor .................................................................................................... 4-22
5.
Commissioning ........................................................................................................................... 5-1
5.1
Installation Assumptions ............................................................................................................... 5-1
5.2
Commissioning Procedure ............................................................................................................ 5-1
5.2.1
Mechanical Checks .................................................................................................................. 5-1
5.2.2
Power Connections .................................................................................................................. 5-1
5.2.3
Procedure................................................................................................................................. 5-1
5.3
Drive Parameters .......................................................................................................................... 5-2
5.4
Dynamic Brake Status Flags......................................................................................................... 5-4