Basler Electric BE1-27 - Manual (Page 7)

9170600990 Rev L BE1-27/59 Introduction v
CONTENTS
SECTION 1
 GENERAL INFORMATION ................................................................................................ 1-1
PURPOSE ........................................................................................................................................... 1-1
APPLICATION .................................................................................................................................... 1-1
Motor Protection ........................................................................................................................... 1-1
Automatic Transfer Switching ....................................................................................................... 1-1
Cogeneration ................................................................................................................................ 1-1
Transformer Protection ................................................................................................................. 1-2
Ground Fault Detection ................................................................................................................ 1-2
MODEL AND STYLE NUMBER .......................................................................................................... 1-2
Style Number Example ................................................................................................................. 1-4
SPECIFICATIONS .............................................................................................................................. 1-4
Voltage Sensing Inputs ................................................................................................................. 1-4
Undervoltage and Overvoltage Pickup Range ............................................................................. 1-4
Timing Characteristics .................................................................................................................. 1-4
Output Contacts ............................................................................................................................ 1-5
Power Supply................................................................................................................................ 1-5
Target Indicators ........................................................................................................................... 1-5
Type Tests .................................................................................................................................... 1-5
Temperature ................................................................................................................................. 1-6
Physical ........................................................................................................................................ 1-6
Agency Recognition/Certification.................................................................................................. 1-6
SECTION 2
 CONTROLS AND INDICATORS ....................................................................................... 2-1
INTRODUCTION ................................................................................................................................. 2-1
SECTION 3
 FUNCTIONAL DESCRIPTION ........................................................................................... 3-1
INTRODUCTION ................................................................................................................................. 3-1
SYSTEM VOLTAGES ......................................................................................................................... 3-1
STEP-DOWN TRANSFORMER ......................................................................................................... 3-2
LOW-PASS FILTER AND FULL WAVE RECTIFIER ......................................................................... 3-2
PICKUP SETTINGS ............................................................................................................................ 3-2
PICKUP COMPARATORS.................................................................................................................. 3-2
TIMER CIRCUIT ................................................................................................................................. 3-2
OUTPUTS ........................................................................................................................................... 3-6
PUSH-TO-ENERGIZE OUTPUT PUSHBUTTONS ............................................................................ 3-6
POWER SUPPLY STATUS OUTPUT ................................................................................................ 3-6
POWER SUPPLY ............................................................................................................................... 3-6
TARGET INDICATORS ...................................................................................................................... 3-6
Internally Operated Targets .......................................................................................................... 3-6
Current Operated Targets ............................................................................................................ 3-6
SECTION 4
 INSTALLATION .................................................................................................................. 4-1
INTRODUCTION ................................................................................................................................. 4-1
RELAY OPERATING GUIDELINES AND PRECAUTIONS ............................................................... 4-1
MOUNTING ......................................................................................................................................... 4-1
CONNECTIONS ................................................................................................................................ 4-14
MAINTENANCE ................................................................................................................................ 4-19
STORAGE ......................................................................................................................................... 4-19
SECTION 5
 TESTING ............................................................................................................................ 5-1
INTRODUCTION ................................................................................................................................. 5-1
REQUIRED TEST EQUIPMENT ........................................................................................................ 5-1
OPERATIONAL TEST ........................................................................................................................ 5-1
Power Supply Status Output ........................................................................................................ 5-1
Pickup ........................................................................................................................................... 5-1
Timing ........................................................................................................................................... 5-4