PI Manufacturing AC generators User Manual
Page 4
CONTENTS
SAFETY PRECAUTIONS
FOREWORD
1
CONTENTS
2&3
SECTION 1
INTRODUCTION
4
1.1
INTRODUCTION
4
1.2
DESIGNATION
4
1.3
SERIAL NUMBER LOCATION
AND IDENTITY NUMBER LOCATION
4
1.4
RATING PLATE AND CE MARKING
4
SECTION 2
PRINCIPLE OF OPERATION
5
2.1
SELF-EXCITED AVR CONTROLLED GENERATORS
5
2.2
PERMANENT MAGNET GENERATOR (PMG) EXCITED -
AVR CONTROLLED GENERATORS
5
2.3
AVR ACCESSORIES
5
2.4
TRANSFORMER CONTROLLED GENERATORS
5
SECTION 3
APPLICATION OF THE GENERATOR
6
SECTION 4
INSTALLATION - PART 1
8
4.1
LIFTING
8
4.2
ASSEMBLY
8
4.2.1
NO FOOT OPTION
8
4.2.2
TWO BEARING GENERATORS
9
4.2.3
SINGLE BEARING GENERATORS
9
4.3
EARTHING
9
4.4
PRE-RUNNING CHECKS
9
4.4.1
INSULATION CHECK
9
4.4.2
DIRECTION OF ROTATION
10
4.4.3
VOLTAGE AND FREQUENCY
10
4.4.4
AVR
SETTINGS
10
4.4.4.1
TYPE SX460 AVR
10
4.4.4.2
TYPE SX440 AVR
10
4.4.4.3
TYPE SX421 AVR
11
4.4.4.4
TYPE MX341 AVR
11
4.4.4.5
TYPE MX321 AVR
11
4.4.5
TRANSFORMER
CONTROLLED
EXCITATION
SYSTEM
(Series
5)
12
4.5
GENERATOR SET TESTING
12
4.5.1
TEST METERING/CABLING
12
4.6
INITIAL
START-UP
12
4.7
LOAD TESTING
13
4.7.1
AVR CONTROLLED GENERATORS - AVR ADJUSTMENTS
13
4.7.1.1
UFRO (Under Frequency Roll Off)
(AVR Types SX460, SX440, SX421, MX341 and MX321)
13
4.7.1.2
EXC TRIP (Excitation Trip)
14
4.7.1.3
OVER/V (Over Voltage)
14
4.7.1.4
TRANSIENT LOAD SWITCHING ADJUSTMENTS
14
4.7.1.5
RAMP BUILD UP TIME
15
4.7.2
TRANSFORMER CONTROLLED GENERATORS -
TRANSFORMER
ADJUSTMENT
15
4.8
ACCESSORIES
15
SECTION 5
INSTALLATION - PART 2
16
5.1
GENERAL
16
5.2
GLANDING
16
5.3
EARTHING
16
5.4
PROTECTION
16
5.5
COMMISSIONING
16