Stamford PFC3 - Table of Contents

CONTENTS
SAFETY PRECAUTIONS IFC
SECTION 1 GENERAL DESCRIPTION 3
SECTION 2 PRINCIPLE OF OPERATION 4
2.1 Power Factor Control Mode 4
2.2 VAr Control Mode 4
2.3 Generator Current Limiting 4
2.4 Low Excitation Limiting 4
2.5 Voltage Matching Mode 6
2.6 Dead-Band or Dynamic Control Modes 6
SECTION 3 INSTALLATION 8
3.1 General 8
3.2 Generating Set Protection; General 8
3.3 Basic Operation - Power Factor
Control of Individual Generator(s) - Fig 6 8
3.3.1 Voltage Input ( E2 , E1 ) 8
3.3.2 Current Input ( S1 , S2 ) 8
3.3.3 AVR Control Output ( A1 , A2 ) 11
3.3.4 Circuit Breaker Input (CB1 , CB2 ) 11
3.4 Installing Options - Fig 8 11
3.4.1 Remote Power Factor (VAr) Adjustment - <1> 11
3.4.2 Remote Switching of Power Factor/VAr Mode - <2> 11
3.4.3 Generator Current Limiting - <3> 11
3.4.4 Excitation Voltage Limiting - <4> 11
3.4.5 Voltage Matching - <5> 11
3.5 PFC3 used for Power Factor Correction - Fig 9 11
SECTION 4 COMMISSIONING AND ADJUSTMENTS 15
4.1 Installations 15
4.2 Commissioning Basic System 15
4.2.1 Preliminary Adjustments 15
4.2.2 Droop Setting 16
4.2.3 PFC3 Setting 17
4.3 Commissioning Options 17
4.3.1 Voltage Matching Option 17
4.3.2 Current Limiting Option 18
4.3.3 Low Excitation Limiting Option 18
4.3.4 Dead-Band and Dynamic Control Options 19
4.4 Power Factor Correction 19
SECTION 5 USER ADJUSTABLE CONTROLS AND SELECTION LINKS 20
5.1 Light Emitting Diode (led) Indicators 20
5.2 Selection Links & Switches 20
SECTION 6 OPERATION 22
6.1 General 22
6.2 Combined Heat And Power Installations 22
6.3 Peak Lopping Installations 22
6.4 Power Factor Correction 22
6.5 Synchronous Motors 22
6.6 Overvoltage 22
SECTION 7 TROUBLE SHOOTING 23
SECTION 8 TECHNICAL SPECIFICATION 24