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