Woodward 8440-1713 from SAUL ELECTRIC | In Stock
1.8440-1713 Product Overview
The Woodward 8440-1713 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. 8440-1713 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 8440-1713 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 difference between vector controller and sine wave controller
In the field of motor control, vector controller and sine wave controller are two common control strategies, each
with unique working principles, control performance, and application scenarios. The differences between these two
controllers will be discussed in detail below.
1. Introduction
The motor control system is a core component of modern industrial automation, transportation, and home
appliance applications. Among them, vector controller and sine wave controller are the two main control strategies that play
a decisive role in the operational performance of the motor. Understanding the differences between them helps us make more
reasonable choices in practical applications.
2、 Overview of Vector Controllers
working principle
Vector controller is based on vector control theory, which achieves precise control of the motor by controlling the motor vector.
The basic principle is to measure and control the stator current vector of the asynchronous motor, and control the excitation
current and torque current of the asynchronous motor according to the principle of magnetic field orientation, in order to achieve the
goal of controlling the torque of the asynchronous motor. This control method can separately control the magnetic field and torque
of the motor, similar to the characteristics of a separately excited DC motor.
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