Digital Excitation - DECS-250N
DECS-250N
Product code : DECS-250N
Brand : BASLER ELECTRIC
The DECS-250N digital excitation control system offers high performance, high flexibility, and extreme reliability for brushless excited AC synchronous generators.
The DECS-250N utilizes a 20-amp six-thyristor negative forcing output, providing exceptional system transient response. Multiple communication options and an optional integrated power system stabilizer make the DECS-250N a complete system
solution in a reliable and cost effective package.
Features
• Precise excitation control for synchronous generator or synchronous motor applications.
• True RMS sensing, single-phase or three-phase voltage and current
• Full generator metering capabilities
• Auto tuning feature with two PID stability groups
• Reactive load sharing over communication
• AVR, FCR, FVR, power factor and var modes of operation
• Integrated generator protection 25, 27, 32R, 40Q, 51F, 59, 59F, 81O/U, EDM, Loss of PMG, and field short circuit
• Optional integrated power system stabilizer (PSS), IEEE Std. 421.5 type PSS2A/2B/2C
• Configurable protection
• Conformal coating is applied to certain internal circuitry for additional protection and reliability
• Overexcitation limiting (with temperature compensation)
• Underexcitation limiting
• Stator current limiting (with temperature compensation)
• Var limiting
• Underfrequency limiting or V/Hz limiting
• Exciter diode monitoring
• Trending, oscillography, and sequence of events recording
• Fourteen programmable contact inputs
• Eleven programmable contact outputs
• Rated for up to 420 Hz on the power input with derating capability (Contact Basler Electric for more information)
• I/O Expansion module compatibility:
- AEM-2020 Analog Expansion Module
- CEM-2020 Contact Expansion Module
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