Emerson MPR15 Series User manual

Astec Advanced Power Systems
Astec Advanced Power Systems
ApartofEmersonNetworkPower
MPR25 / MPR15 Series, Single Phase −48V,
25A Switch Mode Rectifier
NT5C06B/C
Installation and User Manual
P0711722 Standard 10.00 May 2001
UM5C06B / C ( 169-2071-500 )

Astec Advanced Power Systems
25A Switch Mode RectifierNT5C06B /C Installation and User Manual
MPR25 / MPR15 Series, Single Phase −48V,
25A Switch Mode Rectifier
NT5C06B/C
Installation and User Manual
Manual Number : UM5C06B / C ( 169-2071-500 )
Manual Status : Standard
Manual Release : 10.0
Release Dateb : May 2001
P0711722
Copyright2001 Astec Advanced Power Systems Ltd
All Rights Reserved
Published in Canada
The information contained in this manualis theproperty ofAstecAdvanced Power Systems and is subjectto changewithout
notice. AstecAdvanced Power Systems Ltd reserves the rightto make changes in design or components as progress in
engineering and manufacturing may warrant. Except as specifically authorized in writing by the V.P. of Engineering and Product
Manufacturing of Astec Advanced Power Systems Ltd, theholder ofthis manual shall keep all information contained herein
confidential and shall protect same,in wholeor in part, fromdisclosureand dissemination to all third parties, and use thesame
for start-up, operation, troubleshooting, and maintenance purposes only. Any modification to theequipment mustbe approved
by the person responsible for product safety, and design quality atAstecAdvanced Power Systems Ltd to ensurethatthe
equipment complies with the operation standards.
This equipment generates, uses,and can radiate radio frequency energy, and ifnot installed and used in accordancewith the
instructions contained in the Installation and User Manuals, can cause harmfulinterference to radio communications.Operation
of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct
the interference at his own expense.
Astec Advanced Power Systems
A part of Emerson Network Power
HeliosCandeoisatrademarkofAstecInternationalLtd.TheEmersonlogo is a trademarkandservicemarkofEmersonElectricCo.

5
25A Switch Mode RectifierNT5C06B /C Installation and User Manual
Publication history
May 2001
Standard Issue 10.00. Manual modified to reflect the Emerson
identity. ( EC 102-26701 )
September 1999
Standard release 9.0. Document modified to reflect new Astec
address and minor corrections throughout. (ECN 102-17331)
May 1999
Standard release 8.0. Document modified to reflect Astec identity.
(ECN 102-14607)
January 1998
Standard release 7.0. This issue includes clarification for Rectifier
Replacement/Add-On Procedure, supplement P0850648 (New
factory setting) and information on RFA alarm at no load condition.
November 1994
Standard release 6.0. This issue is to add enhanced extended
temperature feature to MPR15 rectifier, and to revise the signal
availability on the power shelves.
May 13th, 1994
Standard release 5.0
March 30, 1994
Standard release 4.1
June 4, 1993
Standard release 4.0
November 22, 1991
Standard release 3.0

6 Publicaton history
UM5C06B / C ( 169-2071-500 ) P0711722 Standard 10.00 May 2001
February 15, 1991
Standard release 2.0
October 1, 1990
Standard release 1.0

7
25A Switch Mode RectifierNT5C06B /C Installation and User Manual
Contents
About this manual.....................................................................................................13
Purpose of this manual................................................................................................13
Safety precautions......................................................................................................13
How this manual is organized......................................................................................13
Introduction...............................................................................................................15
Applications.................................................................................................................15
Rectifier models...........................................................................................................16
Specifications ...........................................................................................................17
Mechanical..................................................................................................................17
Electrical.....................................................................................................................17
Rectifier voltage and current..........................................................................17
Output voltage...............................................................................................18
Output regulation...........................................................................................18
Output noise and ripple..................................................................................18
Acoustical noise.............................................................................................19
Efficiency and power factor...........................................................................19
Reliability.......................................................................................................19
Heat dissipation.............................................................................................19
Electromagnetic Interference (EMI)................................................................19
Environmental..............................................................................................................19
Operating.......................................................................................................19
Transportation.............................................................................................................20
Storage..........................................................................................................20
Operation...................................................................................................................21
Rectifier operation.......................................................................................................21
Display and rear interface............................................................................................22
Display ..........................................................................................................22
Local float / equalize control ..........................................................................22
Indicator lamps..............................................................................................22
Rectifier failure alarm (RFA)...........................................................................23
Fan failure alarm............................................................................................23
Internal high voltage shut down (HVSD).........................................................23
Local ON/OFF control(DC and optional AC breakers) .....................................23

8 Contents
UM5C06B / C ( 169-2071-500 ) P0711722 Standard 10.00 May 2001
Inrush current limiting fuse (F1).....................................................................23
Test points (V+, V-).......................................................................................24
Current meter................................................................................................24
Fan filter option.............................................................................................24
Rear interface................................................................................................24
Fan cooling assembly.....................................................................................24
Signal connector............................................................................................25
Power interface edge connector....................................................................25
Features......................................................................................................................25
Operating features.........................................................................................25
Monitoring features.......................................................................................26
Measurement features...................................................................................27
Control features.............................................................................................27
Signal connections.......................................................................................................28
Rectifier and controller interface connections................................................30
Power shelf...............................................................................................................31
Mechanical..................................................................................................................31
Electrical.....................................................................................................................38
Environmental..............................................................................................................40
Storage..........................................................................................................40
Installation and start-up procedures.......................................................................41
Tools and test equipment.............................................................................................41
Installation procedure..................................................................................................41
Cabling the power shelf.................................................................................43
Shelf configuration......................................................................................................44
19-inch system shelf (NT5C10CA-1/2)...........................................................44
19-inch embedded shelf (NT5C10BF-1 and NT5C10BP).................................44
19-inch embedded shelf (NT5C10BA-1/2)......................................................44
19-inch embedded shelf (NT5C10BA-3/4)......................................................44
19-inch embedded shelf (NT5C10BA-5/6,NT5C10BB-3/4) .............................45
19-inch embedded shelf (NT5C10BB-1/2)......................................................45
23-inch system shelf (NT5C10CB-1/2, NT5C10CB-5/6, NT5C10CC-1/2,
NT5C10CD-1/2) NT5C10CG..........................................................................45
23-inch system shelf (NT5C10CB-3/4, NT5C10CE, NT5C10CF, NT5C10CH) 45
23-inch embedded shelf (NT5C10BC-1/2)......................................................45
23-inch embedded shelf (NT5C10BC-3, NT5C10BD-3)...................................46
23-inch embedded shelf (NT5C10BM)............................................................46
23-inch embedded shelf (NT5C10BL).............................................................46
23-inch embedded shelf (NT5C10BJ, NT5C10BK).........................................46
23-inch system shelf (NT5C10CO).................................................................47
Power plant interface - signal cabling ............................................................53
Installing the rectifier.....................................................................................57
Cabling the rectifier.......................................................................................58

Contents 9
25A Switch Mode RectifierNT5C06B /C Installation and User Manual
LVD installation in the shelf...........................................................................59
Start-up procedure.......................................................................................................60
Factory set voltage limits...............................................................................60
Rectifier power-up.........................................................................................61
HVSD adjustment...........................................................................................62
Float voltage adjustment................................................................................63
Equalize voltage adjustment...........................................................................63
Parallel verification........................................................................................64
Low voltage disconnect (LVD)........................................................................65
Adjustment for the 50 A LVD unit Rel. 02, 02A, 3 & 3A................................66
Low voltage alarm (LVA) adjustment..............................................................67
LVD/low voltage disconnect / reconnect (LVDR) adjustment...........................67
Rectifier replacement/add-on procedure.........................................................68
Low voltage disconnect............................................................................................69
Electrical.....................................................................................................................69
Environmental..............................................................................................................69
Storage..........................................................................................................69
DC cabling.....................................................................................................70
Control and monitoring signals.......................................................................70
Operation.......................................................................................................71
Test feature...................................................................................................71
Signal connections.........................................................................................71
Maintenance..............................................................................................................73
Maintenance................................................................................................................73
Rectifier.........................................................................................................73
Filter..............................................................................................................74
Fan cooling....................................................................................................74
Storage..........................................................................................................74
Power shelf...................................................................................................74
Low voltage disconnect.................................................................................75
Troubleshooting...........................................................................................................75
Rectifier fail alarm.........................................................................................75
Load sharing..................................................................................................76
Fan failure.....................................................................................................76
Fan replacement procedure............................................................................76
Low voltage disconnect.................................................................................78
Fault diagnosis...............................................................................................79
Appendix A: NT5C10BF-1 and NT5C10BP ...........................................................101
Purpose.....................................................................................................................101
Application................................................................................................................101
FTIP application.........................................................................................................101
Alarms.........................................................................................................102

10 Contents
UM5C06B / C ( 169-2071-500 ) P0711722 Standard 10.00 May 2001
Power and signal lead termination...............................................................102
Factory set voltage limits.............................................................................102
FTOP application.......................................................................................................102
Alarms.........................................................................................................103
Power and signal lead termination...............................................................103
Factory set voltage limits.............................................................................103
General requirements.................................................................................................104
Power shelf size...........................................................................................104
Shelf labeling...............................................................................................104
Appendix B: NT5C10CO shelf................................................................................105
General......................................................................................................................105
NT5C10CO power shelf.............................................................................................105
Description..................................................................................................105
Technical specifications...............................................................................106
Power-up and verification..........................................................................................107
Verification..................................................................................................107
Adjustment and verification.......................................................................................108
Troubleshooting.........................................................................................................111
Appendix C: Recommended replacement parts....................................................113
Appendix D: Technical service assistance...........................................................115
Abbreviations and acronyms.................................................................................117
List of Figures
Figure 1 - NT5C06B/C Rectifier (front view)................................................................22
Figure 2 - Rear interface..............................................................................................24
Figure 3 - Signal Connector..........................................................................................29
Figure 4 - 19-inch power shelf (front view)..................................................................36
Figure 5 - 23-inch power shelf (front view)..................................................................37
Figure 6 - Power shelf NT5C10BJ or NT5C10BK (exterior view).................................37
Figure 7 - Power shelf NT5C10BJ or NT5C10BK (interior view)..................................37
Figure 8 - Power shelf NT5C10BM e/w EQL switch assembly......................................38
Figure 9 - Power shelf NT5C10CO equipped with start delay LED ...............................38
Figure 10 - 19-inch power shelf...................................................................................42
Figure 11 - 23-inch power shelf...................................................................................42
Figure 12 - 19-inch power shelf (NT5C10BF and NT5C10BP only)..............................43
Figure 13 - System shelf or embedded (leftview) common bussed AC - side access.....47
Figure 14 -Extra ground connection mounting location (optional) (Typical
installation view for all shelf models)........................................................48
Figure 15 - Embedded shelf(left view) - individual ac - side access old vintage.............48
Figure 16 - Embedded shelf(left view) - IndividualAC - side access.............................49
Figure 17 - System or embedded shelf(left view) - individual AC - side access.............50
Figure 18 - System shelf(left view) - common bussed AC - rear access.......................51
Figure 19 - System or embedded shelf(right view) - DC connecting - side access.........52
Figure 20 - System or embedded shelf(right view) - DC cabling - rear access ..............53