DGC Brushless Excitation - Emerson Process Management
DGC Brushless Excitation - Emerson Process Management
DGC Brushless Excitation - Emerson Process Management
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Table of Contents<br />
<strong>DGC</strong> <strong>Brushless</strong> <strong>Excitation</strong><br />
System Description<br />
1.0 INTRODUCTION 4<br />
2.0 BRUSHLESS EXCITATION SYSTEM 4<br />
2.1 Permanent Magnet Generator 4<br />
2.2 AC Exciter 5<br />
2.3 Rectifier Wheel 5<br />
2.4 Voltage Regulator 5<br />
3.0 <strong>DGC</strong> VOLTAGE REGULATOR SYSTEM 5<br />
3.1 Exciter Field Breaker 6<br />
3.2 Digital Generator Controller 6<br />
3.3 VME Modules 6<br />
3.3.a Single Board Computer 7<br />
3.3.b Analog and Digital I/O Unit (ADIOU) 7<br />
3.3.c I/O Interface Control Unit (IOICU) 7<br />
3.3.d VME Power Supply 8<br />
3.3.e Network Hub Module 8<br />
3.4 Field Interface Panel 8<br />
3.5 Base Adjuster 10<br />
3.6 Power Amplifiers 11<br />
3.7 Field Breaker 12<br />
3.8 Control Switches and Indications 12<br />
3.8.a Field Breaker Control Switch 12<br />
3.8.b Regulator Mode Control Switch 12<br />
3.8.c Voltage Adjuster Control Switch 13<br />
3.8.d Base Adjuster Control Switch 13<br />
3.8.e Regulator Output Meter 13<br />
3.9 Feedback Signals 13<br />
3.9.a Generator Terminal Voltage 13<br />
3.9.b Generator Stator Current 14<br />
3.9.c Exciter Field Current 14<br />
4.0 CONTROL SOFTWARE 14<br />
4.1 Operating and Control Modes 14<br />
4.1.a OFF Mode - Base Control 14<br />
4.1.b Test Mode - Base Control 14<br />
4.1.c ON Mode – Automatic Voltage Control 15<br />
4.1.d FORCED Mode – Base Control 15<br />
© <strong>Emerson</strong> <strong>Process</strong> <strong>Management</strong> Power & Water Solutions. - 2 -<br />
PWS_005075 [3]