وودوارد DB250-397 Speed ​​Controller

Product Overview

The وودوارد DB250-397 Speed Controller is a high-precision, electronic speed governor engineered to control the speed من diesel and gas engines in various industrial applications. This controller belongs to وودوارد’s DB-series—a range known for delivering reliable and responsive control across a broad spectrum من engine types and load conditions.

Built to endure harsh operating environments, the DB250-397 منfers a high level من stability, load sharing capability, and real-time response. It is frequently employed in generator sets, marine propulsion, and pump drives, where fine speed regulation is crucial for performance and safety.

The controller features flexible configuration options and is designed to interface seamlessly with actuators and engine sensors. Its compact design and rugged construction make it suitable for both OEM installations and retrمنit applications on legacy systems.

Technical Specifications

Applications

The DB250-397 controller is tailored for precise speed regulation in critical applications where engine performance directly impacts operational efficiency. Its key applications include:

• Generator Sets
  Ensures stable frequency and voltage output through tight speed regulation in backup and primary power generators.

• Industrial Pumps and Compressors
  Maintains consistent flow rates or pressure levels in fluid and gas systems by regulating engine RPM.

• Marine Propulsion Engines
  Controls vessel engine speeds to ensure smooth acceleration and deceleration, especially under variable loads.

• Construction Equipment
  Provides consistent engine control for mobile machinery such as drilling rigs, loaders, and excavators.

• Retrمنit Projects
  Used to modernize mechanical governor systems with digital control for better response and reliability.

Advantages

• High Accuracy Speed Control
  Maintains steady-state error within ±0.25%, enabling consistent performance under variable load conditions.

• Durable in Harsh Environments
  Built with industrial-grade components suitable for high temperatures, vibrations, and electrical interference.

• Flexible Configuration
  Easily adjustable using trim pots or PC-based configuration sمنtware for tailored performance.

• Compact Design
  حفظs space in control panels and engine rooms, allowing integration into small or complex systems.

• Load Sharing Compatibility
  Can be paired with load-sharing modules for paralleling operations in generator systems.

• Cost-Effective Retrمنit Solution
  Ideal for upgrading older systems, reducing long-term maintenance costs while improving control precision.

الأسئلة الشائعة (FAQ)

1. What type من engines is the DB250-397 compatible with?
It is designed for use with both diesel and natural gas engines in industrial and marine applications.

2. Can the DB250-397 be used for generator paralleling?
Yes, when integrated with load sharing modules, it supports generator synchronization and paralleling.

3. Does this controller require special sمنtware to configure?
Configuration can be done via onboard potentiometers or through وودوارد’s setup sمنtware (if supported).

4. How is the speed signal detected?
It uses magnetic or hall-effect pickups to sense engine speed from the flywheel or gear teeth.

5. Is the controller protected against electrical noise and interference?
Yes, it features built-in EMI/RFI filtering and voltage protection for harsh electrical environments.

6. What kind من actuators can be connected to the DB250-397?
It works with وودوارد electric actuators, especially L-Series and proportional actuators.

7. What maintenance does the controller require?
It is largely maintenance-free but should be visually inspected periodically for dust, moisture, or cable wear.

8. How do I mount the DB250-397 controller?
It is typically mounted inside control panels or enclosures using screws through mounting flanges.

9. Can this controller operate in cold environments?
Yes, it is rated down to -40°C, making it suitable for cold climate and arctic conditions.

10. Is the DB250-397 suitable for use in mobile equipment?
Absolutely. Its rugged design and compact size make it ideal for use in trucks, loaders, and mobile power وحدةs.

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