描述
BENTLY 3500/53 133388-01是BENTLY NEVADA 3500系列机械保护系统中的核心模块，专为超速保护设计，具备高可靠性、快速响应和冗余功能。以下是其详细技术特性和应用分析：
一、模块基本功能与设计目的
超速检测与保护
-接收来自接近传感器（如涡流传感器、磁性拾取器）的转速信号，实时监测旋转机械转速。
-当转速超过预设阈值时，触发报警并驱动继电器输出，实现超速保护，避免设备损坏。
-支持峰值转速锁定功能，记录最高转速值以供后续分析。
冗余与可靠性
-采用单通道模块设计，需与其他模块（如2选2或3选2表决系统）配合使用，提高系统冗余性。
-符合美国石油协会（API）标准670和612，适用于高安全要求场景。
二、技术规格
输入与输出参数
-输入信号：+10.0V至-24.0V的电压信号，超出范围时自动受限。
-输入阻抗：20kΩ。
-功耗：典型值8.0W。
-传感器兼容性：支持BENTLY 3300系列涡流传感器、高温传感器及磁性传感器。
输出特性
-继电器输出：提供4路快速响应继电器（响应时间<30ms），支持报警和危险信号输出。
-记录仪输出：+4V至+20V模拟量信号，成比例于满量程转速值。
-LED指示：OK LED（正常运行）、Alarm LED（报警触发）等，便于状态监控。
环境适应性
-工作温度：-30°C至+65°C（扩展至-40°C至+85°C存储）。
-湿度：95%RH（无冷凝）。
三、应用领域
工业场景
-电力行业：汽轮机、发电机超速保护。
-石油化工：压缩机、泵类设备转速监控。
-冶金与机械：风机、齿轮箱等旋转机械的故障预警。
特殊场景
-水电领域：水轮机低转速（如100RPM）状态监测与保护。
-航空航天：燃气轮机、航空发动机的高速运行监控。
135489-03
125388-01H
BENTLY 3500/53 133388-01 is the core module of the BENTLY NEVADA 3500 series mechanical protection system.It is designed for overspeed protection and has high reliability,fast response and redundancy.The following is its detailed technical characteristics and application analysis:
I.Basic functions and design purposes of the module
Overspeed detection and protection
-Receive speed signals from proximity sensors(such as eddy current sensors,magnetic pickups)to monitor the speed of rotating machinery in real time.
-When the speed exceeds the preset threshold,trigger an alarm and drive the relay output to achieve overspeed protection and avoid equipment damage.
-Support peak speed lock function and record the highest speed value for subsequent analysis.
Redundancy and reliability
-Adopt a single-channel module design and need to be used in conjunction with other modules(such as 2-to-2 or 3-to-2 voting systems)to improve system redundancy.
-Comply with American Petroleum Institute(API)standards 670 and 612,suitable for scenarios with high safety requirements.
2.Technical Specifications
Input and Output Parameters
-Input signal:+10.0V to-24.0V voltage signal,automatically limited when out of range.
-Input impedance:20kΩ.
-Power consumption:typical 8.0W.
-Sensor compatibility:supports BENTLY 3300 series eddy current sensors,high temperature sensors and magnetic sensors.
Output characteristics
-Relay output:provides 4 fast response relays(response time<30ms),supports alarm and danger signal output.
-Recorder output:+4V to+20V analog signal,proportional to the full-scale speed value.
-LED indication:OK LED(normal operation),Alarm LED(alarm trigger),etc.,for easy status monitoring.
Environmental adaptability
-Operating temperature:-30°C to+65°C(extended to-40°C to+85°C storage).
-Humidity:95%RH(non-condensing).
3.Application fields
Industrial scenarios
-Power industry:overspeed protection of steam turbines and generators.
-Petrochemical industry:speed monitoring of compressors and pumps.
-Metallurgy and machinery:fault warning of rotating machinery such as fans and gearboxes.
Special scenarios
-Hydropower field:low speed(such as 100RPM)status monitoring and protection of turbines.
-Aerospace:high-speed operation monitoring of gas turbines and aircraft engines.
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