Astec Advanced Power Systems
MPR25 / MPR15 Series, Single Phase −
25A Switch Mode Rectifier
Installation and User Manual
Page
Astec Advanced Power Systems
MPR25 / MPR15 Series, Single Phase −
25A Switch Mode Rectifier
Installation and User Manual
Page
January
Publication history
September
November
6 Publicaton history
February 15
October 1
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
About this manual
Contents
Specifications
Introduction
Power shelf
Installation and start-up procedures
Contents
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Maintenance
Low voltage disconnect
Appendix D Technical service assistance
List of Figures
Appendix C Recommended replacement parts
Appendix B NT5C10CO shelf
Figure 37 - System application - NT5C10CA-1/2, NT5C10CB-1/2, 3/4, 5/6
List of Tables
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
NT5C10CC-1/2, NT5C10CD-1/2, NT5C10CE-1/2, NT5C10CF-1/2
12 Contents
List of Procedures
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Purpose of this manual
Safety precautions
About this manual
How this manual is organized
14 About this manual
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UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Introduction
Applications
Table 1 - NT5C06B/C models
Table 2 - Rectifier feature summary
Rectifier models
MODEL
Electrical Rectifier voltage and current
Specifications
Mechanical
20 A AC breaker
Floating
Output voltage
Output noise and ripple
Equalizing
Acoustical noise
Efficiency and power factor
Temperature
Reliability
Transportation
Storage
Operation
Rectifier operation
Local float / equalize control
Indicator lamps
Display and rear interface Display
Figure 1 - NT5C06B/C Rectifier front view
Internal high voltage shut down HVSD
Rectifier failure alarm RFA
Fan failure alarm
Local ON/OFF control DC and optional AC breakers
Current meter
Fan cooling assembly
Test points V+
Fan filter option
Features
Signal connector
Power interface edge connector
Operating features Remote voltage sensing
Sequential start
Monitoring features Input AC voltage monitor
AC inrush current
Parallel operation
Output current monitor
Measurement features Remote rectifier current measurement
Control features Remote ON/OFF control
Remote high voltage shutdown
Signal connections
Local/remote high voltage shutdown reset
Remote equalize control
Figure 3 - Signal Connector
Designation
Rectifier and controller interface connections
Signal
Description
Power shelf
Mechanical
MPS75S
Table 4 - Power Shelf Feature Summary
FEATURES
MPS75E
When hooked up to an external RPM1000, order a Hot
PEC Code
Color
Stand By HSB and an equalize switch assembly
To use the optional AC Fail Alarm, order NT5C10KC
When used with the I/F PCB option, order kit P0736446
When used with an RPM1000C, order P0736447
A0627571
Operation
Table 7 - Modular power shelf system application signal availability
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
AC FAIL
Figure 4 - 19-inch power shelf front view
Table 8 - List of abbreviations used in Tables 6 and
Figure 7 - Power shelf NT5C10BJ or NT5C10BK interior view
Figure 5 - 23-inch power shelf front view
Figure 6 - Power shelf NT5C10BJ or NT5C10BK exterior view
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Figure 9 - Power shelf NT5C10CO equipped with start delay LED
Figure 8 - Power shelf NT5C10BM e/w EQL switch assembly
Electrical
75 A
25 A
50 A
46 V DC to -57 V DC
Temperature
Environmental
Storage
Procedure 1 - Power shelf installation
Installation and start-up procedures
Installation procedure
Position the power shelf against the rack
42 Installation and start-up procedures
Figure 10 - 19-inch power shelf
Figure 11 - 23-inch power shelf
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Cabling the power shelf
Figure 12 - 19-inch power shelf NT5C10BF and NT5C10BP only
19-inch embedded shelf NT5C10BA-1/2
Shelf configuration 19-inch system shelf NT5C10CA-1/2
19-inch embedded shelf NT5C10BF-1 and NT5C10BP
19-inch embedded shelf NT5C10BA-3/4
23-inch embedded shelf NT5C10BC-1/2
19-inch embedded shelf NT5C10BA-5/6,NT5C10BB-3/4
19-inch embedded shelf NT5C10BB-1/2
23-inch system shelf NT5C10CB-3/4, NT5C10CE, NT5C10CF, NT5C10CH
23-inch embedded shelf NT5C10BL
23-inch embedded shelf NT5C10BC-3, NT5C10BD-3
23-inch embedded shelf NT5C10BM
23-inch embedded shelf NT5C10BJ, NT5C10BK
2 Mount conduit connector with lock nut
Procedure 2 - Common bussed AC connection - side access
23-inch system shelf NT5C10CO
3 Run and connect wires as illustrated
48 Installation and start-up procedures
P0711722
Procedure 4 - Individual AC connection-side access
Procedure 3 - Individual AC connection - side access old vintage
Figure 16 - Embedded shelf left view - Individual AC - side access
Step
FR GRD
Procedure 5 - Individual AC connection - side access
CAUTI
Step
Procedure 6 - Common bussed AC connection - rear access
Figure 18 - System shelf left view - common bussed AC - rear access
Step
2 Insert the bushings, run and connect the wires as illustrated
Procedure 7 - DC connection - side access
Step
Step
Power plant interface - signal cabling
Procedure 8 - DC connection - rear access
Rectifier and Controller interface connections
SIGNAL
NT5C10BA-1/2, NT5C10BF-1 and NT5C10BP hot standby power shelf
Table 9 - Standard system application signal cable connections
DESIGNATION
NT5C10BA-3/4 special operating signal - AC fail NC
NT5C10BJ & NT5C10BK
Connector J3
Table 10 - J1, J2 and J3 connector pin assignment
Connector J1 & J2
NT5C10BM
NT5C10KC
Installing the rectifier
Procedure 9 - Rectifier installation
NT5C10CO
Cabling the rectifier
Figure 21 - Rectifier AC and DC power internal cabling harness
Operating voltage
Re-install the small LVD faceplate
LVD installation in the shelf
Procedure 10 - LVD installation in the shelf
Figure 22 - Embedded shelf - LVD connections - rear access
Start-up procedure Factory set voltage limits
Figure 23 - Embedded shelf - LVD connections - side access
Procedure 11 - Rectifier power-up
Rectifier power-up
Step
Re-adjust if needed return to step
HVSD adjustment
Procedure 12 - HVSD adjustment
Figure 24 - Embedded shelf quick disconnect for sense sectional view
Procedure 13 - Float voltage adjustment
Float voltage adjustment
Equalize voltage adjustment
Procedure 14 - Equalize voltage adjustment
Parallel verification
DANGER
Low voltage disconnect LVD
Procedure 15 - Parallel verification
to reach full stability prior to final adjustment
Turn all the DC breakers to the ON position
Procedure 17 - LVD 50 A adjustment for unit release 02, 02A, 3 and 3A
Adjustment for the 50 A LVD unit Rel. 02, 02A, 3 & 3A
Procedure 16 - Low voltage disconnect adjustment
Step
Procedure 18 - Low voltage alarm adjustment
Low voltage alarm LVA adjustment
LVD/low voltage disconnect / reconnect LVDR adjustment
Procedure 19 - Low voltage disconnect/reconnect adjustment
Step
Rectifier replacement/add-on procedure
Procedure 19 - Low voltage disconnect/reconnect adjustment continued
Action
Environmental
Low voltage disconnect
Electrical
Storage
DC cabling
Control and monitoring signals
Figure 26 - Low voltage control and monitoring signals
Figure 25 - Low voltage disconnect connections
Signal connections
Test feature
Operation
The battery voltage is monitored by the low voltage disconnect and low voltage alarm circuit LVA. When the voltage drops to approximately -47 V DC, the LVA LED lights up and the alarm is extended to the terminal block
72 Low voltage disconnect
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Procedure 20 - Float/equalize and remote equalize
Maintenance
Maintenance Rectifier
Momentarily hold the FLT/EQL switch to EQL for local equalize
Fan cooling
Power shelf
Filter
DANGER
Troubleshooting Rectifier fail alarm
Low voltage disconnect
Fan failure
Fan replacement procedure DANGER
Procedure 21 - Fan replacement
Load sharing
Step
Procedure 21 - Fan replacement continued
Verify and ensure that the fan spins freely, without interference
cooling application
Figure 27 - Fan assembly
Low voltage disconnect
Possible cause
Fault diagnosis
Symptom
The switch is on the Test/Bypass position
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80 Maintenance
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Figure 28 - System application power shelf MPS50S and MPS75S
References
NT5C10 SYSTEM APPLICATION POWER SHELF
82 References
Figure 29 - Embedded application power shelf MPS50E and MPS75E
NT5C10 EMBEDDED APPLICATION POWER SHELF
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
NT6C13 LOW VOLTAGE DISCONNECT FOR THE NT5C10 POWER SHELF
Figure 30 - Low voltage disconnect
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
References
Embedded application 19 Oxford grey
Figure 31 - Power shelf wiring figure index Embedded application
19 Brown
Embedded application 19 Brown
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Figure 32 - NT5C10BA-5/6 and NT5C10BB-1/2, 3/4 embedded application
References
86 References
Figure 33 - NT5C10BA-1/2 embedded application
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
References
Figure 34 - NT5C10BA-3/4 embedded application
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
AC RELAY
88 References
Figure 35 - NT5C10BD embedded application
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
References
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Figure 36 - NT5C10BD and NT5C10BP embedded application
OUTPUT
CIRCUIT
90 References
TO FIRST
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
References
92 References
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
References
94 References
P0711722
TO -48VDC OUTPUT
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
References
P0736442
Figure 43 - Embedded application NT5C10BL
96 References
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
Figure 44 - Embedded application NT5C10BM e/w NT5C10KB
References
98 References
Figure 45 - System application NT5C10CO
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
References
Figure 46 - Application NT5C06B/C
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
FIG. 41A
100 References
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UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Appendix A NT5C10BF-1 and NT5C10BP
Table 11 - Application configuration table
Alarms
Purpose
Factory set voltage limits
Alarms
Power and signal lead termination
FTOP application
main/standby
Table 12 - Application configuration table
Rectifier
Alarms
TB1-5
General requirements Power shelf size
Shelf labeling
TB1-6
Appendix B NT5C10CO shelf
NT5C10CO power shelf Description
General
Technical specifications
should be as follows 24-hour delay
Power-up and verification Verification
Procedure 22 - Power-up and verification
Plug the AC power plug into the wall receptacle
OPEN
Adjustment and verification
Procedure 23 - Adjustment and verification
CLOSED
Set the timer switch as shown in the following illustration
Procedure 23 - Adjustment and verification continued
No alarm indication on the system monitoring unit after
The DELAYED START yellow LED at the circuit pack is
NT5C06BB,BB-1,BB-3,BC Rel.10 NT5C06CA,CA-1,CA-3,CA-5,CC Rel.10
Troubleshooting
Table 13 - Systems equipped with NT5C10CO power shelf fault diagnosis
112 Appendix B NT5C10CO shelf
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UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
A0370200
Appendix C Recommended replacement parts
25A Switch Mode Rectifier NT5C06B / C Installation and User Manual
P0710139
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114 Appendix C Recommended replacement parts
UM5C06B / C 169-2071-500 P0711722 Standard 10.00 May
Local toll-free prefixes
Appendix D Technical service assistance
Country
Canada
Toll-free technical assistance numbers
United States
In Europe
LVDR
Abbreviations and acronyms
HVSD
FAN ALM
118 Abbreviations and acronyms
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167-2071-500 Standard 8.0 May
Page
25A Switch Mode Rectifier
MPR25 / MPR15 Series, Single Phase
NT5C06B/C
Installation and User Manual