Basler BE1-50/51B-231 Instruction Manual Download Page 1

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INSTRUCTION MANUAL

FOR

OVERCURRENT RELAY

BE1-50/51B-232

Publication:

9252000896

Revision:

03/08

Summary of Contents for BE1-50/51B-231

Page 1: ...INSTRUCTION MANUAL FOR OVERCURRENT RELAY BE1 50 51B 232 Publication 9252000896 Revision A 03 08...

Page 2: ......

Page 3: ...d Indicators Functional Description Installation and Maintenance Testing WARNING To avoid personal injury or equipment damage only qualified personnel should perform the procedures in this manual NOTE...

Page 4: ...peration The availability and design of all features and options are subject to modification without notice Should further information be required contact Basler Electric BASLER ELECTRIC ROUTE 143 BOX...

Page 5: ...ng information provides a historical summary of the changes made to this instruction manual 9252000896 Revisions are listed in reverse chronological order Manual Revision and Date Change A 03 08 Updat...

Page 6: ...iv BE1 50 51B 232 Introduction 9252000896 Rev A This page intentionally left blank...

Page 7: ...232 Introduction v CONTENTS SECTION 1 GENERAL INFORMATION 1 1 SECTION 2 CONTROLS AND INDICATORS 2 1 SECTION 3 FUNCTIONAL DESCRIPTION 3 1 SECTION 4 INSTALLATION 4 1 SECTION 5 TESTING 5 1 APPENDIX A TIM...

Page 8: ...vi BE1 50 51B 232 Introduction 9252000896 Rev A This page intentionally left blank...

Page 9: ...nt Response 1 6 Harmonic Response 1 6 Target Indicators 1 7 Output Contacts 1 7 Type Tests 1 7 Environment 1 8 Agency Recognition 1 8 Physical 1 8 Figures Figure 1 1 Integrating Reset Characteristic C...

Page 10: ...ii BE1 50 51B 232 General Information 9252000896 Rev A This page intentionally left blank...

Page 11: ...nd field selectable instantaneous or integrating reset FEATURES A wide range of pickup settings and front panel selectable time characteristics permit applications involving coordination with fuses re...

Page 12: ...Pickup Setting Range 0 5 to 15 9 Aac Setting Increment 0 1 Aac Accuracy 2 25 milliamperes at or above 0 5 ampere setting Dropout Dropout occurs at 95 of pickup value Timing Range 0 0 to 9 9 seconds in...

Page 13: ...losed On Curve Type Constants BE1 Similar To Figure Number A B C N K R S GE IAC 55 A 10 0 0286 0 0208 1 000 0 9844 0 028 0 0940 L GE IAC 66 A 11 2 3955 0 00002 1 000 0 3125 0 028 7 8001 D ABB CO 6 A 3...

Page 14: ...relay in the most sensitive state and may be used as a safety setting Pickup Setting Range 1 to 99 Aac Setting Increment 1 Aac Accuracy 2 25 milliamperes at or above 1 0 ampere setting Dropout Dropout...

Page 15: ...lays and still have the same reach This is because the BE1 50 51B 232 instantaneous element effectively eliminates the fault current transient overreach components When calculating BE1 50 51B 232 rela...

Page 16: ...auses 0 5 change in the current required for pickup Transient Response 10 overreach with system time constants up to 40 ms Harmonic Response Figure 1 4 shows that a relay set for 1 ampere pickup would...

Page 17: ...minutes 3 amperes continuously and break 0 3 ampere Inductive Ratings 120 240 Vac 125 250 Vdc Make and carry 30 amperes for 0 2 seconds carry 7 amperes for 2 minutes 3 amperes continuously and break 0...

Page 18: ...f three mutually perpendicular planes Environment Operating Temperature 40 C to 70 C 40 F to158 F Storage Temperature 50 C to 70 C 58 F to 158 F Agency Recognition GOST R Certification GOST R certifie...

Page 19: ...ROLS AND INDICATORS TABLE OF CONTENTS SECTION 2 CONTROLS AND INDICATORS 2 1 INTRODUCTION 2 1 Figures Figure 2 1 Front Panel Controls and Indicators 2 1 Figure 2 2 Location of SW3 2 2 Tables Table 2 1...

Page 20: ...ii BE1 50 51B 232 Controls and Indicators 9252000896 Rev A This page intentionally left blank...

Page 21: ...Figure 2 1 illustrates the front panel controls and indicators of the BE1 50 51B 232 Figure 2 2 illustrates the location of switch SW3 Both illustrations have lettered call outs that correspond to th...

Page 22: ...2 2 BE1 50 51B 232 Controls and Indicators 9252000896 Rev A P0053 50 SW3 Figure 2 2 Location of SW3...

Page 23: ...me provided by an electromechanical relay at its maximum dial setting G TIME MANUAL TRIP Test Points When shorted the test points provide a secure means to manually trip the controlled breaker Jacks a...

Page 24: ...2 4 BE1 50 51B 232 Controls and Indicators 9252000896 Rev A This page intentionally left blank...

Page 25: ...SCRIPTION TABLE OF CONTENTS SECTION 3 FUNCTIONAL DESCRIPTION 3 1 GENERAL 3 1 FUNCTIONAL DESCRIPTION 3 1 Sensing Input 3 1 Power Supply 3 1 Instantaneous Signal 3 1 Time Signal 3 1 Microprocessor 3 1 P...

Page 26: ...ii BE1 50 51B 232 Functional Description 9252000896 Rev A This page intentionally left blank...

Page 27: ...the microprocessor supervisor circuit When the microprocessor is active and executing code the ACTIVE PICKUP LED is green When the input current falls below an acceptable level the supervisor circuit...

Page 28: ...he TIME or INST MANUAL TRIP front panel test points Current flow in the trip circuit is indicated by the operation of the target The targets will not operate without adequate operating power for the r...

Page 29: ...STORAGE 4 7 Figures Figure 4 1 Outline Dimensions for S1 Case Semi Flush Mounting 4 1 Figure 4 2 Panel Drilling Diagram for S1 Case Semi Flush Mounting 4 2 Figure 4 3 Panel Drilling Diagram for S1 Cas...

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Page 31: ...r and notify the Regional Sales Office or contact the Sales Representative at Basler Electric Highland Illinois Proper operation of the relay may be confirmed by performing the operational test proced...

Page 32: ...4 2 BE1 50 51B 232 Installation 9252000896 Rev A Figure 4 2 Panel Drilling Diagram for S1 Case Semi Flush Mounting...

Page 33: ...9252000896 Rev A BE1 50 51B 232 Installation 4 3 Figure 4 3 Panel Drilling Diagram for S1 Case Projection Mounting...

Page 34: ...e View Projection Mounting FACTORY SETTINGS Factory settings for the internal switches of SW3 are as follows SW3 1 OFF 0 0 additional fixed delay for the instantaneous element SW3 2 OFF 0 0 additional...

Page 35: ...stic curve constants From the time characteristic curve equation K BD C M AD T N Trip 028 0 2 02758 0 1 10 2 7624 7 0938 2 028 0 05516 0 1 10806 124 5248 15 seconds 0 29 From the reset characteristic...

Page 36: ...IONS Typical ac input and dc control connections are shown in Figures 4 6 and 4 7 Refer to the block diagram in Section 3 for relay internal connections Figure 4 6 AC Input Connections NOTE Be sure th...

Page 37: ...ould be performed according to scheduled practices A recommended periodic test is provided in Section 5 If the relay fails to function properly contact the Technical Sales Support Department of Basler...

Page 38: ...4 8 BE1 50 51B 232 Installation 9252000896 Rev A This page intentionally left blank...

Page 39: ...ESTING 5 1 GENERAL 5 1 DIELECTRIC TEST 5 1 OPERATIONAL TEST PROCEDURE 5 1 Test Equipment Required 5 1 Test Procedure 5 3 SETTING THE RELAY 5 5 PERIODIC TESTS 5 5 General 5 5 Periodic Test 5 5 Figures...

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Page 41: ...ng procedures verify operation of relays BE1 50 51B 232 The test setup of Figures 5 1 and 5 2 are intended primarily as an illustration of the principles involved Other test setups known to be capable...

Page 42: ...5 2 BE1 50 51B 232 Testing 9252000896 Rev A Figure 5 1 Pickup and Timing Test Setup Figure 5 2 Target Operational Test Setup...

Page 43: ...o 90 Step 1 Slowly increase current to terminals 5 and 6 PICKUP LED should turn RED at a maximum input current of 0 550 ampere Step 2 Decrease input current until PICKUP LED turns GREEN then OFF Step...

Page 44: ...E to S Set TIME PICKUP to 1 0 Set INST PICKUP to 90 Step 1 Prepare to apply 1 5 amperes input current to terminals 5 and 6 and record the elapsed time from when current is applied until TIME output co...

Page 45: ...ing PERIODIC TESTS General All relays should be tested periodically to identify and correct any problems that are found Single phase relays such as the BE1 50 51B 232 are normally used in groups of fo...

Page 46: ...5 6 BE1 50 51B 232 Testing 9252000896 Rev A Step 5 Verify that the targets operate with one ac ampere of trip current in the trip circuits and that they can be reset using the RESET BUTTON...

Page 47: ...imilar to ABB CO 8 A 5 Figure A 6 Time Characteristic Curve V Very Inverse SW3 3 OFF Similar to ABB CO 9 A 6 Figure A 7 Time Characteristic Curve E Extremely Inverse SW3 3 OFF Similar to ABB CO 11 A 7...

Page 48: ...ii BE1 50 51B 232 Time Characteristic Curves 9252000896 Rev A This page intentionally left blank...

Page 49: ...X A TIME CHARACTERISTIC CURVES TIME CHARACTERISTIC CURVES Figures A 1 through A 14 illustrate the time characteristic curves that are programmed into the nonvolatile memory of this relay Figure A 1 Ti...

Page 50: ...A 2 BE1 50 51B 232 Time Characteristic Curves 9252000896 Rev A Figure A 2 Time Characteristic Curve L Long Inverse SW3 3 OFF Similar to ABB CO 5...

Page 51: ...9252000896 Rev A BE1 50 51B 232 Time Characteristic Curves A 3 Figure A 3 Time Characteristic Curve D Definite Time Similar to ABB CO 6...

Page 52: ...A 4 BE1 50 51B 232 Time Characteristic Curves 9252000896 Rev A Figure A 4 Time Characteristic Curve M Moderately Inverse Similar to ABB CO 7...

Page 53: ...9252000896 Rev A BE1 50 51B 232 Time Characteristic Curves A 5 Figure A 5 Time Characteristic Curve I Inverse SW3 3 OFF Similar to ABB CO 8...

Page 54: ...A 6 BE1 50 51B 232 Time Characteristic Curves 9252000896 Rev A Figure A 6 Time Characteristic Curve V Very Inverse SW3 3 OFF Similar to ABB CO 9...

Page 55: ...9252000896 Rev A BE1 50 51B 232 Time Characteristic Curves A 7 Figure A 7 Time Characteristic Curve E Extremely Inverse SW3 3 OFF Similar to ABB CO 11...

Page 56: ...A 8 BE1 50 51B 232 Time Characteristic Curves 9252000896 Rev A Figure A 8 Time Characteristic Curve BS142 B BS142 Very Inverse...

Page 57: ...9252000896 Rev A BE1 50 51B 232 Time Characteristic Curves A 9 Figure A 9 Time Characteristic Curve BS142 C BS142 Extremely Inverse...

Page 58: ...A 10 BE1 50 51B 232 Time Characteristic Curves 9252000896 Rev A Figure A 10 Time Characteristic Curve S2 Short Inverse SW3 3 ON Similar to GE IAC 55...

Page 59: ...9252000896 Rev A BE1 50 51B 232 Time Characteristic Curves A 11 Figure A 11 Time Characteristic Curve L2 Long Inverse SW3 3 ON Similar to GE IAC 66...

Page 60: ...A 12 BE1 50 51B 232 Time Characteristic Curves 9252000896 Rev A Figure A 12 Time Characteristic Curve I2 Inverse SW3 3 ON Similar to GE IAC 51...

Page 61: ...9252000896 Rev A BE1 50 51B 232 Time Characteristic Curves A 13 Figure A 13 Time Characteristic Curve V2 Very Inverse SW3 3 ON Similar to GE IAC 53...

Page 62: ...A 14 BE1 50 51B 232 Time Characteristic Curves 9252000896 Rev A Figure A 14 Time Characteristic Curve E2 Extremely Inverse SW3 3 ON Similar to GE IAC 77...

Page 63: ...ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351...

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