Yokogawa 3500/65-01-00 145988-02 - Enhanced TSI (Turbine Supervisory Instrumentation) Card Pack
Description:
The Yokogawa 3500/65-01-00 (with firmware version identified by 145988-02) is an Enhanced TSI (Turbine Supervisory Instrumentation) Card Pack for the Yokogawa 3500 Machinery Management System. This module is a highly specialized and critical monitoring unit designed to consolidate several key turbine protection and monitoring functions into a single slot. It provides continuous, high-accuracy monitoring of essential parameters for large steam and gas turbines. The module typically includes monitoring for Eccentricity (Slow Roll), Valve Position (LVDT), and Case Expansion (RVDT). Its integrated design reduces wiring complexity, saves rack space, and provides a unified interface for the core mechanical parameters of a turbine.
Specifications / Parameters
| Parameter | Specification |
|---|---|
| Model / Part Number | 3500/65-01-00 145988-02 |
| Product Type | Enhanced TSI (Turbine Supervisory Instrumentation) Card Pack |
| Rack Compatibility | Yokogawa 3500 Series Rack |
| Monitored Parameters | Typically includes: • Eccentricity (Slow Roll): Shaft bow or runout during startup/shutdown. • Valve Position (LVDT): Linear Variable Differential Transformer for steam/gas valve position. • Case Expansion: Differential expansion between the rotor and stator. |
| Input Types | Accepts signals from various transducers: • Proximity Probes (for eccentricity) • LVDTs (Linear Variable Differential Transformers) • RVDTs (Rotary Variable Differential Transformers) |
| Key Features | • Integrates multiple monitoring functions • High accuracy and dedicated signal conditioning • Configurable alarms and danger setpoints |
| Module Slots | Occupies a single slot in a 3500 series rack |
| Dimensions (H x W) | Standard 3500 Module Size: Approximately 132 mm (H) x 62 mm (W) |
| Depth | Varies with rack and connector; module itself is shallow, but depth is rack-dependent. |
| Weight | Approximately 0.5 kg (1.1 lb) |
*Note: For mission-critical applications, always verify dimensions, weight, and technical specifications against the latest official Yokogawa 3500/65 data sheet or manual. The exact monitored parameters can be configurable.*
Application Scenarios
The 3500/65-01-00 is specifically designed for the comprehensive protection of large turbines in critical service. Its application scenarios are highly specialized:
Turbine Startup and Shutdown Monitoring:
Eccentricity (Slow Roll) Monitoring: Crucial during turbine startup to detect and prevent damage from a bent shaft (bow). The module ensures the turbine does not accelerate past a critical speed until the shaft has straightened out.
Turbine Load Control and Efficiency:
Valve Position (LVDT) Monitoring: Precisely monitors the position of control valves (e.g., main steam stop valves, gas control valves). This is vital for efficient load control, performance calculation, and ensuring the valves are operating correctly without sticking.
Differential Expansion Protection:
Case Expansion Monitoring: Protects the turbine from catastrophic damage by monitoring the differential thermal growth between the faster-heating/cooling rotor and the slower-heating/cooling stator (casing). Excessive differential expansion can lead to internal rubbing.
Combined Cycle and Fossil Fuel Power Plants:
A cornerstone module for protecting the main turbine generator sets in both gas-fired and coal-fired power plants, where unplanned downtime is extremely costly.
Heavy-Duty Industrial Turbomachinery:
Used in large industrial drives, such as turbines driving compressors in a refinery or petrochemical plant, ensuring the reliability of the entire production train.
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