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DECS-250 DECS-250-LN1SN1N

Digital Excitation Control System

Product Information

Product Describe

Digital Excitation Control System

SPRING TYPE TERMINAL

INTERNAL AUTOTRACKING ONLY

100BASE-T / MODBUS TCP

  • Manufacturer:
    BASLER ELECTRIC
  • Product Category:
    General Automation
  • Spare Part Number:
    DECS-250-LN1SN1N
  • Estimated shipping dimensions:
    15 x 20 x 47 cm
  • Weight:
    2.2 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
  • Differential Bus Voltage:
    1.5 to 3 Vdc
  • Maximum Voltage:
    –32 to +32 Vdc with respect to negative battery terminal
  • Communication Rate:
    125 or 250 kb/s
  • Temperature Operating:
    –40 to +70°C (–40 to +158°F)
  • Storage Temperature:
    –40 to +85°C (–40 to +185°F)
  • Humidity:
    IEC 68-2-38
  • Stock:
    100
  • New and original with factory sealed packing

    Brand new and 100% original unit, supplied in factory-sealed packaging, ensuring untouched condition and full manufacturer integrity.
  • New in opened package

    These parts are new. They have not been used, but their original packaging has been opened or the packaging is significantly aged.
  • New surplus

    New surplus item in unused condition, originally manufactured for distribution but not deployed in service.
  • Refurbished

    This product has been repaired by an authorized service center, and worn or aged parts have been replaced with qualified genuine parts. Warranty terms are subject to refurbishment certification and service policies.

More Information

Overview Manuals Principle

Features:

  • Digital Excitation Control System
  • 100BASE-T / MODBUS TCP
  • SPRING TYPE TERMINAL INTERNAL AUTOTRACKING ONLY
Its primary function is to regulate and control generator excitation by precisely managing output voltage and reactive power under varying load and system operating conditions. The DECS-250 (DECS-250-LN1SN1N) provides automatic voltage regulation (AVR), power factor control, and reactive power control to ensure stable generator operation and grid synchronization.

In practical applications, the DECS-250 (DECS-250-LN1SN1N) supports multiple control modes, protection functions, and monitoring functions, thereby improving system reliability and operational flexibility. It can be integrated with power plant control systems and supports communication protocols for real-time data exchange, enabling remote monitoring and parameter adjustment. With built-in diagnostic tools, limiting functions, and fault logging capabilities, the DECS-250 (DECS-250-LN1SN1N) enhances generator protection performance and facilitates predictive maintenance in industrial power generation environments.

The DECS-250 DECS-250-LN1SN1N BASLER ELECTRIC Digital Excitation Control may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
BASLER ELECTRIC DECS-250 DECS-250-LN1SN1N Digital Excitation Control Information(INFO), Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
It continuously measures generator terminal voltage, current, and system parameters, compares these with preset values, and calculates the required excitation adjustment through a control algorithm. The system then uses power electronic components to regulate the excitation current to maintain stable voltage and reactive power levels, ensuring a dynamic response to load changes while maintaining system stability and protection coordination.
By purchasing this item, you agree to the Terms & Conditions
Moore Automated is NOT an authorized distributor of BASLER ELECTRIC
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FAQ

  • What excitation control architecture defines the operational functionality of DECS-250 DECS-250-LN1SN1N, and how does DECS-250 DECS-250-LN1SN1N regulate generator field performance?
    The DECS-250 DECS-250-LN1SN1N is a digital excitation control system engineered to regulate synchronous generator field current through closed-loop control algorithms. By continuously monitoring generator voltage, current, and power system parameters, the DECS-250 DECS-250-LN1SN1N adjusts excitation output to maintain voltage stability, power factor control, and system synchronization accuracy.
  • How does DECS-250 DECS-250-LN1SN1N achieve precision voltage regulation under varying load and grid conditions?
    The DECS-250 DECS-250-LN1SN1N employs microprocessor-based control logic with configurable proportional–integral–derivative (PID) regulation strategies. Through real-time feedback processing and adaptive control tuning, the DECS-250 DECS-250-LN1SN1N ensures stable terminal voltage regulation even under dynamic load transients and grid disturbances.
  • Why is system integration flexibility critical for implementing DECS-250 DECS-250-LN1SN1N in modern power generation infrastructures?
    The DECS-250 DECS-250-LN1SN1N supports multiple communication protocols, analog/digital I/O interfaces, and configurable control modes, enabling seamless integration with plant DCS systems and protection relays. This interoperability ensures that the DECS-250 DECS-250-LN1SN1N can function within complex power automation architectures.
  • What protection and limiting functions are embedded within DECS-250 DECS-250-LN1SN1N to safeguard generator stability?
    The DECS-250 DECS-250-LN1SN1N incorporates excitation limiting, over-excitation protection, under-excitation protection, and field current supervision mechanisms. These protective algorithms prevent thermal overstress and instability conditions while maintaining safe operational boundaries for the generator.
  • How does DECS-250 DECS-250-LN1SN1N manage power system stabilization during fault or transient events?
    The DECS-250 DECS-250-LN1SN1N includes dynamic response control functions capable of reacting to voltage dips, short circuits, and transient disturbances. By rapidly adjusting field excitation, the DECS-250 DECS-250-LN1SN1N contributes to system damping and enhances transient stability recovery.

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Product Applications
  • 1. Widely used in Nuclear, Gas Turbine, Steel, Miningand, Vessel Turret Mooring and other fields.
  • 2. It can improve production efficiency and product consistency.
  • 3. At the same time, it reduces labor costs and enhances operational safety.
  • 4. Ensures production continuity.
  • 5. Maintains the accuracy and stability of the control system.
  • 6. Supports system upgrades and expansion.
  • 7. Risk management and inventory strategies.
Service Process Provided
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Solution Engineering & Product Selection We provide a detailed configuration list for each brand series model.
Technical Support & Remote DiagnosticsContact miya via email: miya@mvme.cn.
Spare Parts Supply & Inventory Assurance Ample inventory to meet all your supply chain needs.
Professional Team Support A professionally trained business team serves clients.
Documentation & Certificate Support We provide support including user manuals, maintenance manuals, and technical documentation.
Warranty Service One-year warranty
Delivery and payment
Delivery arrangements for automation equipment orders will depend on production cycles and project requirements. We accept TT payment, or as per customer requirements. Payment typically includes an advance payment and the balance due before shipment. All arrangements are strictly executed according to the contract to ensure successful order completion.
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    Our long-standing success reflects our commitment to quality, reliability, and customer satisfaction. Whether you’re sourcing hard-to-find components or need expert repairs, Moore Automated stands out among industrial automation parts suppliers for our experience, service, and unbeatable 1-year warranty.
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