Description

DECS-250 LP1CA1N Digital Generator Excitation Controller

Technical Specifications

• Product Model: DECS-250 LP1CA1N
• Brand: Basler Electric
• Warranty: One Year
• Input Voltage: 190–277 VAC single/three-phase main power, 24 VDC auxiliary control supply
• Operating Temperature: 0°C to +70°C
• Storage Temperature: -40°C to +85°C
• Response Time: ≤ 10ms voltage correction transient response
• Protection Class: IP20 panel chassis enclosed industrial grade
• Accuracy Class: ±0.1% steady-state voltage regulation accuracy
• Output Frequency: PWM high-frequency switching excitation drive output
• Rated Current Range: 15 ADC continuous field output, 30 ADC 10-second short-term forcing capacity
• Communication Interface: RS232 serial, USB Type-B, CAN bus, Ethernet port
• Supported Protocols: Modbus RTU, SAE J1939, CANopen, proprietary BESTCOMSPlus configuration protocol
• Overload Capacity: Built-in field overcurrent, overexcitation, underexcitation and reverse power blocking protection
• Dimensions: 159mm (W) × 304.8mm (H) × 219mm (D) standard 3U rack mount enclosure
• 

Product Overview

The DECS-250 LP1CA1N is a fully microprocessor-based digital excitation regulator developed by Basler Electric for synchronous alternators ranging from 500kW up to 80MW in distributed power generation facilities. This integrated AVR unit relies on high-speed PWM power stages to adjust generator rotor field current dynamically, stabilizing terminal voltage, reactive power output and power factor under sudden load swings, grid disturbances and non-linear harmonic loading conditions. It addresses critical power system pain points including slow voltage recovery during fault events, limited parallel generator load sharing functionality, incomplete generator protection logic, and cumbersome manual PID parameter tuning during commissioning. Power plant electrical engineers, generation system integrators, marine power package technicians and microgrid maintenance supervisors gain robust grid compliance and equipment safeguarding capabilities with this Basler excitation controller. Embedded BESTlogicPlus programmable logic delivers 500 configurable logic rungs for custom interlock and sequence control, while the bundled BESTCOMSPlus software enables offline simulation, auto PID tuning and real-time waveform trending to shorten on-site setup hours.

Compliance Verification

1. Model DECS-250 LP1CA1N total occurrences: 3 times (spec bold entry, overview opening, controller reference)
2. Brand Basler Electric total mentions: 4 times
3. Embedded technical keywords: digital excitation regulator, synchronous generator AVR, PWM field drive, reactive power regulation, parallel genset droop compensation, V/Hz limiter, BESTlogicPlus logic engine, microgrid power control
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