Static Excitation System

Technicial Specifications

General Specs :

• Output Current Range : 500 – 1000 – 2000 – 3000 Adc
• Project based system design for higher levels
• Proven design for hydro and thermal power plants
• Custom, unique and fully compatible design for plants at each power level
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• Control System :

• Field Current, Generator Voltage, Reactive Power and Power Factor Control Modes
• Online and soft transfer between control modes
• Power system stabilizer function (IEEE Std. 421.5-2005 PSS2B or PSS4B)
• DSP based high speed main controller with cutting edge technology
• Voltage accuracy 0.2 %
• Wide operating frequency range (40 - 60 Hz)
• Built - in limiter & protection functions
• Soft - Start function
• Low field flashing current (max 5% of rated)
• Relay or Opto-coupler isolated Digital I/Os
• MODBUS TCP/IP, Profinet, etc Plant Communication
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• Human Machine Interface (HMI) :

• Capacitive touch screen based user interface (HMI)
• 1 month data logging capacity for all system and generator parameters at 1 ms sampling time
• Online and historical system data tracing
• System alarm and fault logging including start and end time
• Power loss proof data logging capability
• Online setting capability for system control, limiter and protection parameters via HMI
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• Redundant System Options :

• Redundant Control System - uninterrupted transfer 
• Redundant Power Bridges - uninterrupted transfer, active field current sharing
• Redundant power supplies
• Maintenance opportunity on an operating excitation system (isolated standby channel)
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• Other Features :

• IP54 protection level enclosures
• Rotor temperature calculation and protection
• Rotor Earth Fault protection
• Industrial air conditioning for warm climates upon request 
• Customized design, redundant water cooling system for thermal power plant excitation systems
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Application

• Analyses and calculation of excitation system requirements
• Revision of Excitation system design and project (acc. to plant)
• Manufacturing and site installation of excitation system
• Unique changes on the excitation system software (acc. to the plant)
• Test and commissioning of the excitation system
• Spec calculation, procurement and site installation of the excitation transformer
• 2 years Warranty period
• Software and documentation support
• System monitoring and support with remote connection

Click here to download the product brochure.