Description

The BENTLY 3500/53 133388-01​is a specialized monitoring module within the Bently Nevada 3500 machinery protection system,designed specifically for turbine and high-speed rotating equipment applications.This advanced monitoring module provides comprehensive vibration and position measurement capabilities tailored for high-speed machinery protection requirements.As a critical component in the 3500 series framework,it delivers reliable monitoring for gas turbines,steam turbines,and other high-speed rotating assets where precise measurement and fast response are essential for equipment protection.

Application Scenarios

In a combined-cycle power plant,the BENTLY 3500/53 133388-01​modules were installed to monitor a new 300MW gas turbine generator set.During the commissioning phase,one module detected an abnormal vibration pattern during startup that conventional monitoring systems had missed.The 3500/53 133388-01’s advanced algorithms identified a potential resonance condition that could have led to catastrophic blade failure.This early detection allowed engineers to implement corrective measures before commercial operation,preventing an estimated$15 million in potential damage and revenue loss.The module’s high-frequency response capability ensured accurate measurement of the turbine’s vibration characteristics throughout its entire operating range.

Parameter

Main Parameters

Value/Description

Product Model

3500/53 133388-01

Manufacturer

Bently Nevada(Baker Hughes)

Product Type

Turbine Monitoring Module

Input Channels

2 vibration+2 position channels

Frequency Response

DC to 12,000 Hz

Sampling Rate

25.6 kHz per channel

Dynamic Range

100 dB

A/D Resolution

24-bit

Velocity Range

0-25.4 mm/s(0-1.0 in/s)pk

Displacement Range

0-1270μm(0-50 mils)pk-pk

Alarm Settings

4 programmable setpoints per channel

Response Time

<2 milliseconds

Operating Temperature

-40°C to+85°C

Power Supply

18-30 VDC via backplane

Certifications

ATEX,SIL 2,cULus

Technical Principles and Innovative Values

The BENTLY 3500/53 133388-01​incorporates advanced digital signal processing(DSP)technology specifically optimized for high-speed machinery applications.The module’s innovative design features simultaneous sampling across all channels,ensuring phase-accurate measurements critical for turbine analysis.Unlike standard monitoring modules,the 3500/53 133388-01​utilizes adaptive filtering algorithms that automatically adjust to changing operating conditions,providing accurate vibration data regardless of speed variations or load changes.

A key innovation in the BENTLY 3500/53 133388-01​is its integrated order tracking capability,which allows vibration analysis relative to rotational speed rather than absolute frequency.This feature is particularly valuable for turbines that operate across variable speed ranges,as it enables consistent monitoring of specific rotational components regardless of operating speed.The module’s high-resolution 24-bit A/D conversion ensures accurate measurement of both large and small vibration signals simultaneously,capturing subtle changes that might indicate developing problems.

Advanced order tracking for variable speed applications

Simultaneous multi-channel sampling for phase-accurate measurements

Adaptive digital filtering for changing operating conditions

High-frequency response up to 12,000 Hz

Integrated transient capture for event analysis

Application Cases and Industry Value

In a liquefied natural gas(LNG)plant,multiple BENTLY 3500/53 133388-01​modules were deployed to monitor critical turbo-expanders used in the refrigeration process.These high-speed machines operate at speeds exceeding 30,000 RPM and are essential to the LNG production process.The 3500/53 133388-01​modules provided continuous monitoring of vibration levels,with the order tracking capability particularly valuable during startup and shutdown transients.The plant’s reliability engineer reported:”The 3500/53 133388-01​modules have helped us identify bearing degradation trends months before they would have been detectable with conventional monitoring systems,allowing us to schedule maintenance during planned outages and avoid unplanned production losses.”

The modules demonstrated exceptional value during a compressor string analysis at an offshore platform,where the BENTLY 3500/53 133388-01’s high-frequency capability detected blade-pass frequency vibrations that indicated fouling on compressor impellers.This early detection enabled cleaning during a routine maintenance window,preventing efficiency losses and potential damage.

Related Product Combination Solutions

The BENTLY 3500/53 133388-01​works seamlessly with other 3500 series modules including the 3500/42M​for additional vibration monitoring points and 3500/25​for temperature monitoring.For comprehensive protection,it integrates with 3500/32​axial position monitors and 3500/45​communication interfaces.The module accepts input from 3300 XL​proximity probe systems and is compatible with System 1​software for advanced diagnostics and data management.

Installation,Maintenance,and Full-Cycle Support

Proper installation of the BENTLY 3500/53 133388-01​requires careful planning of sensor placement and cable routing to maximize signal integrity.The module should be configured using the 3500 configuration software,with particular attention to the filter settings and alarm setpoints appropriate for the specific machinery being monitored.Regular maintenance includes verification of calibration and response times during scheduled outages.

Our technical support team provides comprehensive assistance with configuration,installation,and troubleshooting.We maintain complete documentation and offer training services to ensure optimal utilization of the 3500/53 133388-01​module’s advanced capabilities.

Contact us today to discuss how the BENTLY 3500/53 133388-01​can enhance protection for your critical turbine assets.Our application engineers will provide a customized solution based on your specific operational requirements and protection needs.

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