Woodward 5461-773 Price Discount | In Stock
1.5461-773 Product Overview
The Woodward 5461-773 belongs to the 505/505E series digital turbine controllers. It is a microprocessor-based control module designed for single-valve steam turbines,
including single extraction/admission systems or split-range actuator configurations.
The controller features a front panel Operator Control Panel (OCP) with a two-line, 24-character display and multi-function keypad, allowing easy on-site configuration and monitoring.
2. 5461-773 Technical Specifications and Parameters
| Parameter | Details |
|---|---|
| Power Supply | +24 VDC, approx. 1 A |
| I/O Outputs | Discrete Outputs: 8 Analog Outputs: 6 Actuator Outputs: 2 |
| Display / HMI | Two-line, 24-character LCD, with multi-function keypad |
| Dimensions | Approx. 14 × 11 × 4 in (35.6 × 27.9 × 10.2 cm) |
| Weight | Approx. 9.11 lbs (4.13 kg) |
| Operating Temperature | –4 to +140 °F (–20 to +60 °C) |
| Storage Temperature | –40 to +185 °F (–40 to +85 °C) |
| Humidity Standard | 95% RH at 20-55 °C for 48 hours without damage |
| Protection Class | Typically meets industrial dust and water protection standards |
| Communication Protocol | Supports Modbus, RS-232 / RS-422 serial interfaces |
3. Brand History
Woodward, Inc., founded in 1870 and headquartered in Fort Collins, Colorado, USA, is a global leader in energy control systems. The company has a long history of innovation in turbine control, engine management,
and power generation systems.
Woodward products are widely recognized for their reliability and precision in demanding industrial and power generation applications.
4. Applications in Industrial Automation
The 5461-773 plays a critical role in industrial automation and power generation environments:
- Steam Turbine Control: Manages startup, speed regulation, and extraction/admission control of steam turbines.
- Power Generation Systems: Used in power plants to regulate turbine-driven generators for stable frequency and load management.
- Compressor and Pump Drive Control: Ensures precise speed control for turbine-driven compressors and pumps.
- Process Industry Applications: Applied in chemical plants, refineries, and other industries requiring precise turbine operation.
- Safety and Protection Functions: Includes overspeed protection, critical speed avoidance, actuator travel limits, and event logging for operational safety.
The function of voltage controller
The function of voltage controller
The function of the controller is to provide a leading phase at an appropriate frequency to offset (or compensate for) the excess lagging
phase of the main electrical device; On the contrary, when there is excess lead phase in the main circuit, a lag phase should be provided at
an appropriate frequency to offset (or compensate); And make the open-loop frequency response of the system cross the 0 dB line at higher
frequencies, which can obtain a wider frequency band and accelerate
the system”s response. As shown in the figure, the open-loop frequency characteristic To (ω) of the desired switching power supply system
after compensation is in the low frequency range.
To characterize the steady-state characteristics of the system, a high DC gain is desired. The intermediate frequency band characteristics
near the gain crossover frequency characterize the relative stability of the system. If the design results make the intermediate frequency band
of the frequency characteristics have the properties of a first-order lag system (-1 slope decrease, 90 ° phase lag), the system stability can be
guaranteed. Using the gain crossover frequency ω c to approximate the bandwidth, the higher ω c, the faster the system response. The complexity
of the high-frequency representation system is characterized by many high-frequency noises,
so it is hoped that the gain of the high-frequency band can be reduced as soon as possible to reduce the noise.
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