Online Status Monitoring, Control and Reporting

Communication	Ethernet LAN communication for status, fault & functional parameter monitoring of all the incoming, outgoing supply & Rectifier modules including faults.
Input Voltage Status	Status of Input Voltage (OK or fault)
Rectifier Fault	OVP or desaturation condition
Rectifier Status	Status of rectifier (ON/OFF)
Temperature	Over temperature trip
Output Monitoring	Monitoring of output voltage, current, power
Cooling Plate	Monitoring of cooling plate temperature
Line Monitoring	Monitoring of line voltage, current
Input Power Factor	Monitoring of Input Power Factor

GUI / Application on Windows OS is Vendor Scope

Output Voltage Adjustment	Adjustment of Output Voltage range 28V to 30V resolution 0.1V per step, it is real-time V-Adjustment.
Output Current Adjustment	Adjustment of Output Current 10A to 220A for O/P 1-8 and 10 to 77A for O/P-9 resolution 1A per step.
Rectifier Control	Control of Rectifier ON/OFF (inhibit)
Default State	All outputs OFF (inhibit)
Individual Output Control	On demand Turn On/Off for each output
Remote Monitoring	Remote Monitoring and Alarm over LAN interface
Remote Control	Remote Control over LAN interface
Sequential Turn ON	Sequential Turn ON of each output with user configurable delays during initial startup (0.5 to 5Sec resolution 0.5Sec 10step + 11th step is manual ON of each output as per user requirement.
Sequential Turn OFF	Sequential Turn OFF of each output with user configurable delays based on shut-down command (0.5 to 5Sec resolution 0.5Sec 10step + 11th step is manual OFF of each output as per user requirement.

Input Under Voltage Protection

Input Under Voltage Trip	The input under voltage trip works below 330VAC, recycled to restore by GUI application Master On /Off button after fault removal.
Trip Threshold	Input under voltage trip at <330VAC Phase to Phase or <165VAC any R, Y, B phase, monitoring on GUI application.

Soft Start

Soft Start

Provided

Mechanical Specifications

Rack Profiles and Covers	All rack profiles, covers shall be in Aluminium 64430 HE 30 Alloy, all aluminium parts should have chromate conversion coating.
Steel Parts	All Steel (MS) should have zinc coating
External Frames & Panels	Olive Green (BEL Code: PS 613-G-SGL)
Fasteners	All fasteners to be of stainless steel, AISI 304 Grade
Weight	Weight < 130Kg, cooling liqued weight exclusive.
Identification	Vendor Name, Part Number, Serial Number, Manufacturing date, Dimension and Weight data to be indicated as suitable.
BEL Markings	BEL Logo, BEL Part Number and Serial Number to be provisioned on the front fascia of the rectifier.
Warning Markings	Necessary Warning and Danger symbol to be indicated.
Input and Output Markings	All the markings for the input and output connections on Front panel should be engraved, legible and have black back ground colour and finished with clear lacquer.
Circuit Diagram	Schematic/Circuit Diagram to be pasted on rectifier module suitably
3D Model	3D model of the final rectifier to be shared with BEL for system mounting arrangements
Mounting Arrangements	Mounting Arrangements for Slides to be provided (Slides will be in BEL Scope)
Analysis	Thermal analysis and structural analysis to be submitted to BEL during design review.

Acceptance Criteria

Acceptance Test Procedure

The Rectifier will be accepted on completion of Functional Tests, Sinusoidal Vibration, High Temperature Operation test, Damp Heat and Low Temperature operation test. Facility for test will be provided by BEL free of cost for one iteration only.

Deliverables

1	1 No of 50KW Rectifier 28V
2	Test Reports from OEM
3	Certificate of Confirmance
4	User Manual, Technical Manual, User Handbook, Maintenance Manual, MTBF and MTTR reports

Provision of Spares

Critical BOM	List of critical BOM (datasheets) and MRLS to be provided during the PDR stage along with NSN numbers.
Spare Stock	Vendor has to stock necessary spares pertaining to the rectifier for ensuring shortest down time during warranty and failure.

Warranty

Warranty Period	Warranty of 2 years from date of acceptance at BEL.
Warranty Extension	Warranty will be extended by the duration of down time/failure. BEL will promptly send a written mail to vendor from the date of failure till completion of rectification by vendor to satisfaction of BEL.

MTTR

MTTR	<=30 mins for individual power module level replacement.

Pin Configuration Details

Input Connector

Input Connector # RGMR02050M40BWR (5Contacts 0 Size Male) J-10 On PSU-Panel

Input Mating Connector # RGMFM06050F40BWR (5Contacts 0 Size female)

Output-1 to 9 Connector

Output-1 to 9 # MGR 02R 28 - 15S B051 C30 101E SQGBM (35 Contact 16 Size Female) J-1 to J-9 On PSU Panel

Mating Connector # MGR 06M 28-15P C30 101 (35 Contact 16 Size Male)

Data Connector

Data # D38999/20WB35SN (13contact Female) J-11 On PSU Panel

Data Mating # D38999/26WB35PN (13contact Male)

GUI Application Monitoring / Control and Protection Check

Monitoring

a)	Input Line Voltage current of R, Y, B Phase and power factor Monitoring.
b)	Output Voltage, current and power of all 09 Channels.
c)	Sequential delay during on and Off by Local Switch or GUI application switch. Delay timing step 0.5Sec to 5Sec 10 step and 11th step Manual control as per user Requirement.
d)	Temperature monitoring of all cooling plate and maximum value will be display on application.
e)	Status of rectifier ON /OFF of common master and individual 09 outputs.

Control

a)	Sequential delay timing can be set as per user requirement 0.5Sec to 5Sec 10 step and 11th step Manual control.
b)	Output over Current trip control between 10 to 220Amp (minimum step 1.0Amp) for Output -1 to 8. For 9th output current trip control between 10 to 77Amp (minimum step 1.0Amp).
c)	Output voltage adjustment check 28VDC to 30VDC (minimum step 0.1VDC) for Output -1 to 9.

Protection

a)	Input Over voltage protection at >540VAC Phase to Phase or >270VAC any R, Y, B.
b)	Output Over voltage protection >30.3VDC. Recovery after manual set in nominal range, OFF and ON by GUI Application and.
c)	Output over current protection settable by GUI application. Recovery after manual set in nominal range by GUI Application.
d)	Over temperature protection >80°C recover auto at <75°C
e)	Input Under voltage protection at <330VAC Phase to Phase or <165VAC any R, Y, B.