Basler Electric DECS-100-B11 Product Introduction
1. Product Overview
The Basler Electric DECS-100-B11 is a high-precision industrial generator excitation controller designed for synchronous generators in power generation, marine, and industrial backup power systems. It focuses on regulating generator terminal voltage, controlling field current, and ensuring stable parallel operation with utility grids or standalone loads—critical for maintaining power quality, preventing voltage fluctuations, and protecting generators from electrical faults.
Integrating advanced PID control algorithms and robust monitoring functions, it adapts to dynamic load changes (e.g., sudden industrial load increases) while complying with power system standards. Compatibility with Basler’s generator protection relays and standard communication protocols ensures seamless integration into power control systems, making it a trusted choice for generator excitation management.
2. Technical Parameters (Table)
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Category
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Specification
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Device Type
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Digital generator excitation controller (for synchronous generators)
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Voltage Control Range
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Generator terminal voltage: 50–600 V AC (phase-phase, 50/60 Hz); Regulation accuracy: ±0.25% of setpoint
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Field Current Control
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Field voltage: 0–500 V DC; Field current: 0–200 A DC (configurable via external current transformer)
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Control Modes
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Voltage regulation; Power factor (PF) control; Reactive power (VAR) control; Parallel operation (droop/isfochronous)
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Inputs/Outputs
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Analog inputs: 4 (4–20 mA, for PF/VAR reference); Digital inputs: 6 (24 V DC, for status signals); Digital outputs: 4 (24 V DC, 1 A); Relay outputs: 3 (SPDT, 250 V AC/5 A)
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Communication
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RS485 (Modbus RTU); Optional: Ethernet (Modbus TCP/IP, DNP3.0)
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Power Supply
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120/240 V AC (50/60 Hz) or 24/48 V DC; Power consumption: ≤20 W (operating)
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Environmental Ratings
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Operating temperature: 0°C to +55°C (32°F to +131°F); Storage temperature: -40°C to +85°C (-40°F to +185°F); Humidity: 5%–95% (non-condensing); Protection class: IP20 (enclosure)
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Mechanical Design
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Mounting: Panel-mounted (19-inch rack); Housing material: Steel; Dimensions: 483 mm (W) × 178 mm (H) × 254 mm (D); Weight: ~5 kg (11.02 lbs)
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Certifications
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CE; UL 508; CSA C22.2 No. 14; IEC 61010-1; RoHS compliant
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3. Product Specifications & Features
3.1 Core Specifications
The Basler Electric DECS-100-B11 is optimized for medium-voltage synchronous generators (50–600 V AC), with ±0.25% voltage regulation accuracy ensuring stable power output—critical for sensitive industrial loads (e.g., manufacturing equipment, data centers). Its multi-control modes (voltage/PF/VAR) adapt to diverse operation scenarios: voltage regulation for standalone backup power, PF/VAR control for grid-connected generators to meet utility reactive power requirements.
The module’s field current control (0–200 A DC) supports generators of varying sizes, while analog/digital I/O enables connection to external sensors (e.g., current transformers) and control signals. RS485 communication allows remote monitoring of generator parameters (e.g., terminal voltage, field current) via SCADA systems, simplifying power plant management.
3.2 Key Features
- Precision Voltage Regulation: ±0.25% accuracy maintains stable generator output, preventing damage to voltage-sensitive loads.
- Multi-Mode Operation: Voltage/PF/VAR control and parallel operation support (droop/isfochronous) adapt to standalone or grid-connected scenarios.
- Robust Fault Protection: Integrated overvoltage, overcurrent, and field loss protection safeguards generators from electrical faults, extending equipment lifespan.
- Flexible Power Supply: Compatible with 120/240 V AC or 24/48 V DC power, fitting diverse power system configurations (e.g., marine DC systems, industrial AC grids).
- Easy Integration: Works with Basler protection relays (e.g., BE1-851) and standard protocols, reducing system integration complexity in power plants.
4. Other Basler Electric Generator Control Products
Basler Electric offers complementary generator control and protection products for diverse power needs:
- Basler DECS-100-B12: Variant with enhanced field current control (0–300 A DC) for larger generators (e.g., 10+ MW industrial generators).
- Basler DECS-150: Advanced excitation controller with dual CPU redundancy for safety-critical power systems (e.g., nuclear power plant auxiliaries).
- Basler DECS-200: Digital voltage regulator for small generators (≤500 kVA, e.g., portable backup generators).
- Basler BE1-851: Generator protection relay (overcurrent, overvoltage) paired with DECS-100-B11 for comprehensive generator safety.
- Basler DECS-300: Integrated excitation controller + governor interface for combined generator speed and voltage control (e.g., diesel-generator sets).
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