INSTRUCTION MANUAL FOR OVERCURRENT RELAY BE1-50/51B-233 Publication: 9252000897 Revision: B 12/08
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9252000897 Rev B BE1-50/51B-233 General Information 1-1 SECTION 1 GENERAL INFORMATION INTRODUCTION BE1-50/51B-233 protective relays are direct rep
Advantages BE1-50/51B-233 overcurrent relays have many advantages over other overcurrent relays. The primary advantages are: Time characteristics a
9252000897 Rev B BE1-50/51B-233 General Information 1-3 Time characteristic curve constants are listed in Tables 1-2 and 1-3. Constants have been se
Integrating reset characteristics are defined by the following equation and shown in Figure 1-1. Equation constants are provided in Tables 1-2 or 1-3.
both SW3-1 and SW3-2 provides an additional delay of 0.3 second. Section 2 illustrates the location of SW3. The instantaneous element in BE1-50/51B-23
P0048-11 Figure 1-3. Burden Characteristics Frequency Response A change of ±5 Hz from the nominal 60 Hz current causes <0.5% change in the current
Figure 1-4. Harmonic Rejection Target Indicators Gravity latched, manually reset targets indicate that current of 0.2 amperes or greater was present
1-8 BE1-50/51B-233 General Information 9252000897 Rev B Radio Frequency Interference (RFI) Field-tested using a 5-watt, hand-held transceiver operat
9252000897 Rev B BE1-50/51B-233 Controls and Indicators i SECTION 2 CONTROLS AND INDICATORS TABLE OF CONTENTS SECTION 2 CONTROLS AND INDICATORS
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SECTION 2 CONTROLS AND INDICATORS INTRODUCTION Figure 2-1 illustrates the front panel controls and indicators of the BE1-50/51B-233. Figure 2-2 illu
P0053-50SW3 Figure 2-2. Location of SW3 2-2 BE1-50/51B-233 Controls and Indicators 9252000897 Rev B
9252000897 Rev B BE1-50/51B-233 Controls and Indicators 2-3 Table 2-1. BE1-50/51B-233 Controls and Indicators (Refer to Figures 2-1 and 2-2) Locator
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9252000897 Rev B BE1-50/51B-233 Functional Description i SECTION 3 FUNCTIONAL DESCRIPTION TABLE OF CONTENTS SECTION 3 FUNCTIONAL DESCRIPTION ..
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9252000897 Rev B BE1-50/51B-233 Functional Description 3-1 SECTION 3 FUNCTIONAL DESCRIPTION GENERAL BE1-50/51B-233 Overcurrent Relays are micropro
Outputs Instantaneous and Timed System circuit breakers controlled by the output contacts can be manually tripped by applying a short across the TIME
9252000897 Rev B BE1-50/51B-233 Installation i SECTION 4 INSTALLATION TABLE OF CONTENTS SECTION 4 INSTALLATION ...
INTRODUCTION This instruction manual provides information about the operation and installation of the BE1-50/51B-233 Overcurrent Relay. To accomplish
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SECTION 4 INSTALLATION GENERAL When not shipped as part of a control or switchgear panel, the relays are shipped in sturdy cartons to prevent damage
From the time characteristic curve equation. KBDCMADTNTrip 0280202758.011027624709382... 02805516.0110806124524815... seconds 0.209
Equation for time to trip during rewind (before relay is reset). RewindFullTime RewindTrip FullTOccurence This Trip Second Operation 15.530.
Figure 4-3. DC Control Connections MAINTENANCE BE1-50/51B-233 overcurrent relays require no preventive maintenance. However, periodic checks should
9252000897 Rev B BE1-50/51B-233 Testing i SECTION 5 TESTING TABLE OF CONTENTS SECTION 5 TESTING ...
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SECTION 5 TESTING GENERAL Dielectric testing, operational testing, and periodic testing are described in the following paragraphs. DIELECTRIC TEST I
Figure 5-1. Pickup and Timing Test Setup Figure 5-2. Target Operational Test Setup 5-2 BE1-50/51B-233 Testing 9252000897 Rev B
NOTE When testing TIME overcurrent functions, INST PICKUP settings of 00 will affect the calibration of the TIME functions. TIME PICKUP settings of 00
First Printing: January 2007 Printed in USA © 2008 Basler Electric, Highland Illinois 62249 USA All Rights Reserved December 2008 CONFIDENTIAL
Time Dial Test Perform preliminary setup: Connect test setup as shown in Figure 5-1. Insure that SW3 switches are set: SW3-1 to OFF, SW3-2 to OF
9252000897 Rev B BE1-50/51B-233 Testing 5-5 Step 4. Connect a jumper between INST MANUAL TRIP test points. Check that INST target operates. Step 5.
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9252000897 Rev B BE1-50/51B-233 Time Characteristic Curves i APPENDIX A TIME CHARACTERISTIC CURVES TABLE OF CONTENTS APPENDIX A TIME CHARACTERI
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APPENDIX A TIME CHARACTERISTIC CURVES TIME CHARACTERISTIC CURVES Figures A-1 through A-14 illustrate the time characteristic curves that are program
Figure A-2. Time Characteristic Curve, L-Long Inverse (SW3-3 OFF, Similar to ABB CO-5) A-2 BE1-50/51B-233 Time Characteristic Curves 9252000897 Rev
Figure A-3. Time Characteristic Curve, D-Definite Time (Similar to ABB CO-6) 9252000897 Rev B BE1-50/51B-233 Time Characteristic Curves A-3
Figure A-4. Time Characteristic Curve, M-Moderately Inverse (Similar to ABB CO-7) A-4 BE1-50/51B-233 Time Characteristic Curves 9252000897 Rev B
Figure A-5. Time Characteristic Curve, I-Inverse (SW3-3 OFF, Similar to ABB CO-8) 9252000897 Rev B BE1-50/51B-233 Time Characteristic Curves A-5
9252000897 Rev B BE1-50/51B-233 Introduction iii REVISION HISTORY The following information provides a historical summary of the changes made to th
Figure A-6. Time Characteristic Curve, V-Very Inverse (SW3-3 OFF, Similar to ABB CO-9) A-6 BE1-50/51B-233 Time Characteristic Curves 9252000897 Re
Figure A-7. Time Characteristic Curve, E-Extremely Inverse (SW3-3 OFF, Similar to ABB CO-11) 9252000897 Rev B BE1-50/51B-233 Time Characteristic Cur
Figure A-8. Time Characteristic Curve, BS142-B (BS142 Very Inverse) A-8 BE1-50/51B-233 Time Characteristic Curves 9252000897 Rev B
Figure A-9. Time Characteristic Curve, BS142-C (BS142 Extremely Inverse) 9252000897 Rev B BE1-50/51B-233 Time Characteristic Curves A-9
Figure A-10. Time Characteristic Curve, S2-Short Inverse (SW3-3 ON, Similar to GE IAC 55) A-10 BE1-50/51B-233 Time Characteristic Curves 9252000897
Figure A-11. Time Characteristic Curve, L2-Long Inverse (SW3-3 ON, Similar to GE IAC 66) 9252000897 Rev B BE1-50/51B-233 Time Characteristic Curves
Figure A-12. Time Characteristic Curve, I2-Inverse (SW3-3 ON, Similar to GE IAC 51) A-12 BE1-50/51B-233 Time Characteristic Curves 9252000897 Rev B
Figure A-13. Time Characteristic Curve, V2-Very Inverse (SW3-3 ON, Similar to GE IAC 53) 9252000897 Rev B BE1-50/51B-233 Time Characteristic Curves
Figure A-14. Time Characteristic Curve, E2-Extremely Inverse (SW3-3 ON, Similar to GE IAC 77) A-14 BE1-50/51B-233 Time Characteristic Curves 925200
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ROUTE 143, BOX 269 HIGHLAND, IL 62249 USA http://www.basler.com, [email protected] PHONE +1 618-654-2
9252000897 Rev B BE1-50/51B-233 Introduction v CONTENTS SECTION 1 GENERAL INFORMATION ...
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9252000897 Rev B BE1-50/51B-233 General Information i SECTION 1 GENERAL INFORMATION TABLE OF CONTENTS SECTION 1 GENERAL INFORMATION ....
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