Basler Electric BE1-50 - Manual (Page 7)

9171000990 Rev F BE1-50 Introduction v
CONTENTS
SECTION 1
 GENERAL INFORMATION ................................................................................................ 1-1
PURPOSE ........................................................................................................................................... 1-1
APPLICATION .................................................................................................................................... 1-1
Ground Fault Detection ................................................................................................................ 1-1
Phase Fault Detection .................................................................................................................. 1-1
Combination with Other Protective Devices ................................................................................. 1-2
MODEL AND STYLE NUMBER .......................................................................................................... 1-2
Style Number Example ................................................................................................................. 1-3
SPECIFICATIONS .............................................................................................................................. 1-3
Current Sensing ............................................................................................................................ 1-3
Pickup Range ............................................................................................................................... 1-4
Pickup Accuracy ........................................................................................................................... 1-4
Dropout ......................................................................................................................................... 1-4
Timing ........................................................................................................................................... 1-4
Output Contacts ............................................................................................................................ 1-4
Power Supply................................................................................................................................ 1-5
Target Indicators ........................................................................................................................... 1-5
Type Tests .................................................................................................................................... 1-5
Physical ........................................................................................................................................ 1-5
Agency Recognition/Certification.................................................................................................. 1-6
SECTION 2
 CONTROLS AND INDICATORS ....................................................................................... 2-1
INTRODUCTION ................................................................................................................................. 2-1
SECTION 3
 FUNCTIONAL DESCRIPTION ........................................................................................... 3-1
INTRODUCTION ................................................................................................................................. 3-1
STEP-DOWN TRANSFORMER ......................................................................................................... 3-1
FULL-WAVE RECTIFIERS ................................................................................................................. 3-1
RESPONSE CHARACTERISTICS ..................................................................................................... 3-1
PICKUP SETTINGS ............................................................................................................................ 3-2
PICKUP COMPARATORS.................................................................................................................. 3-2
PULSE STRETCHERS ....................................................................................................................... 3-2
OUTPUTS ........................................................................................................................................... 3-2
TIMING ................................................................................................................................................ 3-2
OUTPUTS ........................................................................................................................................... 3-2
PUSH-TO-ENERGIZE OUTPUT PUSHBUTTONS ............................................................................ 3-2
POWER SUPPLY STATUS OUTPUT ................................................................................................ 3-2
POWER SUPPLY ............................................................................................................................... 3-2
TARGET INDICATORS ...................................................................................................................... 3-2
Internally Operated Targets .......................................................................................................... 3-2
Current Operated Targets ............................................................................................................ 3-3
SECTION 4
 INSTALLATION .................................................................................................................. 4-1
INTRODUCTION ................................................................................................................................. 4-1
RELAY OPERATING GUIDELINES AND PRECAUTIONS ............................................................... 4-1
MOUNTING ......................................................................................................................................... 4-1
CONNECTIONS ................................................................................................................................ 4-14
MAINTENANCE ................................................................................................................................ 4-20
STORAGE ......................................................................................................................................... 4-20
SECTION 5
 TESTING ............................................................................................................................ 5-1
INTRODUCTION ................................................................................................................................. 5-1
OPERATIONAL TEST ........................................................................................................................ 5-1