​​Product Description​​

​​Description:​​

The​​Bently Nevada 146031-01​​is a Power Supply Module(designated as the 3500/15)for the Bently Nevada 3500 Machinery Protection System.This module is the heart of the system’s power infrastructure,converting incoming AC or DC power to the regulated DC voltages required by all monitoring and communication modules in the rack.It is engineered for high availability with built-in redundancy support,ensuring continuous power to critical vibration and temperature monitoring systems,thereby preventing spurious shutdowns of valuable assets.

​​Application Scenarios​​

Application Scenarios:

In a combined-cycle power plant,the gas turbine’s Turbine Supervisory Instrumentation(TSI)system,built on a Bently Nevada 3500 rack,must operate flawlessly 24/7 to protect the multi-million dollar asset.A transient voltage spike on the plant’s AC power supply causes the primary power feed to the 3500 rack to fail.Because the system is equipped with a redundant​​Bently Nevada 146031-01​​power supply module configured as a hot standby,the backup module instantly and seamlessly takes over the power delivery without any interruption to the monitoring modules.The vibration and position monitoring of the turbine continues uninterrupted,preventing a false trip and allowing the plant operators to address the power feed issue during normal operations.The​​146031-01​​’s redundancy directly addresses the critical pain point of single-point power failures in safety-critical systems.

​​Parameter​​

Main Parameters

Value/Description

​​Product Model​​

​​Bently Nevada 146031-01​​

​​Functional Designation​​

3500/15 Power Supply Module

​​Manufacturer​​

Bently Nevada(A Baker Hughes Business)

​​Product Category​​

System Power Supply Unit(PSU)

​​Input Voltage Range​​

85-264 VAC,100-250 VDC(Auto-sensing)

​​Output Voltages​​

+5 VDC,±15 VDC(for system backplane)

​​Output Power​​

100 Watts(typical)

​​Redundancy Support​​

Yes,N+1 redundant configuration

​​Efficiency​​

>80%

​​Cooling Method​​

Convection cooling

​​Status Indicators​​

Power Good,Fail,AC/DC Input

​​Isolation​​

1500 VAC(Input to Output)

​​Operating Temperature​​

-30°C to+65°C

​​Mounting​​

Slides into 3500 system rack

​​Technical Principles and Innovative Values​​

Technical Principles and Innovative Values:

The​​Bently Nevada 146031-01​​is designed for maximum reliability and system availability in industrial environments.

​​Innovation Point 1:Seamless Redundant Operation.​​A key innovation is its ability to operate in a parallel,redundant configuration with one or more additional​​146031-01​​modules.An internal OR-ing diode circuit allows multiple power supplies to share the load and ensures that if one module fails,the others continue to power the backplane without any interruption or voltage drop,achieving true high availability for the protection system.

​​Innovation Point 2:Wide-Range Auto-Sensing Input.​​The module accepts a very broad range of input voltages(85-264 VAC or 100-250 VDC)automatically.This wide input range provides exceptional immunity to line voltage fluctuations,brownouts,and surges commonly found in industrial power networks,ensuring stable operation without manual configuration or taps.

​​Innovation Point 3:Comprehensive Diagnostics and Hot-Swap Capability.​​The​​146031-01​​features status LEDs that provide immediate visual indication of”Power Good”and”Fail”conditions.This diagnostic capability,combined with a design that supports hot-swapping(insertion and removal while the rack is powered),allows for proactive maintenance and replacement of a failing unit without taking the entire machinery protection system offline.

​​Application Cases and Industry Value​​

Application Cases and Industry Value:

​​Project Case:Offshore Platform Compressor Protection.​​On an offshore gas production platform,a critical reinjection compressor is protected by a Bently Nevada 3500 system.During a severe storm,a generator issue causes a significant voltage dip.The primary​​Bently Nevada 146031-01​​power supply in the 3500 rack,stressed by the voltage dip,fails.Instantly,the redundant​​146031-01​​module takes over the entire electrical load of the rack.The vibration and position monitoring of the compressor continues without a single data gap,allowing the control system to manage the compressor through the transient and avoid a shutdown.The redundancy provided by the​​146031-01​​modules prevented a production shutdown that would have cost hundreds of thousands of dollars per day,demonstrating immense value in asset protection and production continuity.

​​Related Product Combination Solutions​​

The​​Bently Nevada 146031-01​​is the foundational power component for a complete 3500 system.It works in conjunction with:

​​Bently Nevada 3500 Rack:​​The physical chassis(e.g.,​​3500/20 14-Slot Rack​​)that houses the power supplies and monitor modules.

​​Bently Nevada 146031-01(Additional Unit):​​A second or third​​146031-01​​module is required to create an N+1 redundant power system.

​​Bently Nevada 3500/42M Vibration Monitor:​​A key module(e.g.,​​129478-01​​)that relies on the clean power from the​​146031-01​​.

​​Bently Nevada 3500/25 Keyphasor®Module:​​Provides a critical timing signal,powered by the system PSU.

​​Bently Nevada 3500/92 Communication Gateway:​​Allows the system to communicate with the DCS,requiring stable power.

​​Bently Nevada System Monitoring Module(3500/95):​​Can monitor the health and status of the​​146031-01​​power supplies themselves.

​​Installation,Maintenance,and Full-Cycle Support​​

Installation,Maintenance,and Full-Cycle Support:

Installation of the​​Bently Nevada 146031-01​​involves sliding it into a dedicated power supply slot in the 3500 rack and securing it with the locking screw.The input power terminals must be connected to a reliable source,following proper torque specifications.For redundant systems,all​​146031-01​​modules must be connected to independent power sources for maximum fault tolerance.Configuration is minimal,primarily involving setting the input voltage range if not auto-sensing.

Routine maintenance should include periodic visual inspection of the module’s status indicators and checking for any signs of overheating.It is critical to verify the functionality of the redundancy by simulating a failure of one module and confirming the other seamlessly carries the load.Having a spare​​146031-01​​module on hand is a best practice for critical systems to facilitate immediate replacement.

We guarantee that every​​Bently Nevada 146031-01​​power supply module we supply is a 100%genuine Bently Nevada component,ensuring full compatibility and reliability within the 3500 system.Our technical support team can provide guidance on integration and redundancy configuration.We are committed to providing the critical components that underpin the safety and reliability of your machinery protection systems.Contact us for a solution you can depend on.

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