BENTLY 3500/44M

BENTLY 3500/44M是本特利3500系统专用航改燃气轮机振动监测模块，常用件号176449-03，4通道地震式振动采集卡，适配Velomitor速度传感器与加速度传感器。模块支持多路Keyphasor键相输入，每通道配对可独立启用跟踪滤波算法。

BENTLY 3500/44M is the dedicated aeroderivative gas turbine vibration monitor for Bently Nevada 3500 machinery protection system, typical part number 176449-03. It is a four-channel seismic input board compatible with Velomitor velocity transducers and accelerometers. Multiple Keyphasor signals are supported, and each channel pair can run independent tracking filters.

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可完成1X同步振动提取、带通振动测量与信号积分运算，支持预警与停机阈值组态，具备SIL2安全等级认证。模块为前卡+后端子底座分体式设计，支持热插拔，是航改型燃机TSI保护柜不可替代的专用备件。

It performs 1X synchronous vibration tracking, band-pass vibration measurement and signal integration. Warning and trip setpoints are fully configurable, and the module carries SIL 2 safety certification. It adopts split front card and rear terminal base design with hot-swap capability, serving as irreplaceable spare for aeroderivative gas turbine TSI protection cabinets.

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Main Specifications 技术参数

1. Product Series / 产品系列：Bently Nevada 3500 Machinery Protection System
2. Part Numbers / 型号编码：3500/44M，176449-03
3. Function Type / 类型：航改燃气轮机地震振动监测模块
4. Key Features / 特性：4 seismic channels, Keyphasor tracking filter, 1X vibration, SIL2, hot swappable
5. Mounting / 安装：3500标准机架插槽，前卡配后端子底座

Core Functions 核心功能

1. 采集速度、加速度振动信号，积分换算振动烈度，监测燃机壳体振动。
Receive velocity and acceleration signals, integrate for vibration severity monitoring on gas turbine casing.
2. 键相同步跟踪滤波，提取1倍频振动幅值相位，识别转子不平衡故障。
Keyphasor synchronous tracking filter to extract 1X amplitude and phase for unbalance diagnosis.
3. 两级告警组态，报警、跳闸继电器输出，参与机组保护逻辑。
Dual level alarm configuration with relay outputs for warning and machine trip protection.
4. 板载自诊断，传感器断线、短路、信号异常检测，上传机架故障信息。
Onboard diagnostics for sensor open/short fault and signal abnormality, report status to rack.
5. 对接System 1软件，上传振动波形、频谱数据，支撑机组故障诊断分析。
Interface with System 1 software for waveform and spectrum upload for machinery diagnostics.

Application Scenarios 应用场景

1. 航改燃气轮机TSI保护柜3500/44M模块损坏更换、停机检修。
Module replacement for failed 3500/44M in aeroderivative gas turbine TSI cabinets.
2. 燃机电厂、海上平台、油气压缩机组航改燃机振动保护系统备件储备。
Spare inventory for gas power plants, offshore platforms and oil & gas compression units.
3. 存量3500机架扩容，新增航改燃机监测通道，配套专用振动卡。
Legacy rack expansion for extra GT vibration monitoring channels with dedicated 3500/44M.
4. 机组年度大修轮换测试，提前验证备件功能，避免保护拒动误动。
Spare rotation test during annual overhaul to prevent protection false trip or fail-to-trip.
5. 海外航改燃机项目备件供货，配套机架组态、传感器标定调试服务。
Spare supply for overseas GT projects with rack configuration and sensor calibration support.

FAQ 常见问答

Q: What sensor does 3500/44M support? / 适配什么传感器？

A: It works with Velomitor velocity transducers and accelerometers, not proximity probes.
适配Velomitor速度传感器、加速度传感器，不适用电涡流位移探头。

Q: What is the difference between 3500/44M and 3500/42M? / 和3500/42M区别？

A: 3500/44M is optimized for aeroderivative gas turbine with Keyphasor tracking filter; 3500/42M is general seismic monitor.
3500/44M专为航改燃机设计，带键相跟踪滤波；3500/42M是通用地震振动模块。