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BE1-50/51B-233 General Information

9252000897 Rev A

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 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 pick up at 0.96 amperes with a current
containing 40% seventh harmonic. This corresponds to a 10:1 rejection ratio. Other conditions may be
evaluated in the same manner.

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Содержание BE1-50/51B-233

Страница 1: ...INSTRUCTION MANUAL FOR OVERCURRENT RELAY BE1 50 51B 233 Publication 9252000897 Revision A 03 08...

Страница 2: ......

Страница 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...

Страница 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...

Страница 5: ...ng information provides a historical summary of the changes made to this instruction manual 9252000897 Revisions are listed in reverse chronological order Manual Revision and Date Change A 03 08 Updat...

Страница 6: ...iv BE1 50 51B 233 Introduction 9252000897 Rev A This page intentionally left blank...

Страница 7: ...233 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...

Страница 8: ...vi BE1 50 51B 233 Introduction 9252000897 Rev A This page intentionally left blank...

Страница 9: ...ient 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...

Страница 10: ...ii BE1 50 51B 233 General Information 9252000897 Rev A This page intentionally left blank...

Страница 11: ...l covers 15 popular time characteristics a wide range of pickup settings and field selectable instantaneous or integrating reset FEATURES A wide range of pickup settings and front panel selectable tim...

Страница 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...

Страница 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...

Страница 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...

Страница 15: ...lays and still have the same reach This is because the BE1 50 51B 233 instantaneous element effectively eliminates the fault current transient overreach components When calculating BE1 50 51B 233 rela...

Страница 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...

Страница 17: ...2 minutes 3 amperes continuously and break 5 amperes 125 250 Vdc Make 30 amperes for 0 2 seconds carry 7 amperes for 2 minutes 3 amperes continuously and break 0 3 ampere Inductive Ratings 120 240 Va...

Страница 18: ...f three mutually perpendicular planes swept over the range of 10 to 500 Hz for a total of 6 sweeps 15 minutes each sweep Shock Withstands 15 G in each of three mutually perpendicular planes Environmen...

Страница 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...

Страница 20: ...ii BE1 50 51B 233 Controls and Indicators 9252000897 Rev A This page intentionally left blank...

Страница 21: ...Figure 2 1 illustrates the front panel controls and indicators of the BE1 50 51B 233 Figure 2 2 illustrates the location of switch SW3 Both illustrations have lettered call outs that correspond to th...

Страница 22: ...2 2 BE1 50 51B 233 Controls and Indicators 9252000897 Rev A P0053 50 SW3 Figure 2 2 Location of SW3...

Страница 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...

Страница 24: ...2 4 BE1 50 51B 233 Controls and Indicators 9252000897 Rev A This page intentionally left blank...

Страница 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...

Страница 26: ...ii BE1 50 51B 233 Functional Description 9252000897 Rev A This page intentionally left blank...

Страница 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...

Страница 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...

Страница 29: ...NTENTS SECTION 4 INSTALLATION 4 1 GENERAL 4 1 FACTORY SETTINGS 4 1 INSTALLATION 4 1 APPLICATION COORDINATION 4 1 CONNECTIONS 4 3 MAINTENANCE 4 4 STORAGE 4 4 Figures Figure 4 1 Coordination Timing Diag...

Страница 30: ...ii BE1 50 51B 233 Installation 9252000897 Rev A This page intentionally left blank...

Страница 31: ...ile the relay is in service may cause tripping Perform the following procedures to install the BE1 50 51B 233 relay Select the desired relay settings on your new BE1 50 51B 233 relay Remove the existi...

Страница 32: ...tic 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 curve equation 1 M RD T 2 Reset seconds 15 5 1...

Страница 33: ...ind Trip Full T Occurence This Trip Second Operation 15 5 3 0 209 TB seconds 0 040 TB Third Operation 15 5 11 96 0 209 TC seconds 0 161 TC CONNECTIONS Typical ac input and dc control connections are s...

Страница 34: ...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...

Страница 35: ...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...

Страница 36: ...ii BE1 50 51B 233 Testing 9252000897 Rev A This page intentionally left blank...

Страница 37: ...ng procedures verify operation of relays BE1 50 51B 233 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...

Страница 38: ...5 2 BE1 50 51B 233 Testing 9252000897 Rev A Figure 5 1 Pickup and Timing Test Setup Figure 5 2 Target Operational Test Setup...

Страница 39: ...minals 8 and 9 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 3 Set TIME PICKUP to 2 2 Step 4 Slowly inc...

Страница 40: ...VE 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 8 and 9 and record the elapsed time from when current is applied until TIME output c...

Страница 41: ...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 233 are normally used in groups of fo...

Страница 42: ...5 6 BE1 50 51B 233 Testing 9252000897 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...

Страница 43: ...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...

Страница 44: ...ii BE1 50 51B 233 Time Characteristic Curves 9252000897 Rev A This page intentionally left blank...

Страница 45: ...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...

Страница 46: ...A 2 BE1 50 51B 233 Time Characteristic Curves 9252000897 Rev A Figure A 2 Time Characteristic Curve L Long Inverse SW3 3 OFF Similar to ABB CO 5...

Страница 47: ...9252000897 Rev A BE1 50 51B 233 Time Characteristic Curves A 3 Figure A 3 Time Characteristic Curve D Definite Time Similar to ABB CO 6...

Страница 48: ...A 4 BE1 50 51B 233 Time Characteristic Curves 9252000897 Rev A Figure A 4 Time Characteristic Curve M Moderately Inverse Similar to ABB CO 7...

Страница 49: ...9252000897 Rev A BE1 50 51B 233 Time Characteristic Curves A 5 Figure A 5 Time Characteristic Curve I Inverse SW3 3 OFF Similar to ABB CO 8...

Страница 50: ...A 6 BE1 50 51B 233 Time Characteristic Curves 9252000897 Rev A Figure A 6 Time Characteristic Curve V Very Inverse SW3 3 OFF Similar to ABB CO 9...

Страница 51: ...9252000897 Rev A BE1 50 51B 233 Time Characteristic Curves A 7 Figure A 7 Time Characteristic Curve E Extremely Inverse SW3 3 OFF Similar to ABB CO 11...

Страница 52: ...A 8 BE1 50 51B 233 Time Characteristic Curves 9252000897 Rev A Figure A 8 Time Characteristic Curve BS142 B BS142 Very Inverse...

Страница 53: ...9252000897 Rev A BE1 50 51B 233 Time Characteristic Curves A 9 Figure A 9 Time Characteristic Curve BS142 C BS142 Extremely Inverse...

Страница 54: ...A 10 BE1 50 51B 233 Time Characteristic Curves 9252000897 Rev A Figure A 10 Time Characteristic Curve S2 Short Inverse SW3 3 ON Similar to GE IAC 55...

Страница 55: ...9252000897 Rev A BE1 50 51B 233 Time Characteristic Curves A 11 Figure A 11 Time Characteristic Curve L2 Long Inverse SW3 3 ON Similar to GE IAC 66...

Страница 56: ...A 12 BE1 50 51B 233 Time Characteristic Curves 9252000897 Rev A Figure A 12 Time Characteristic Curve I2 Inverse SW3 3 ON Similar to GE IAC 51...

Страница 57: ...9252000897 Rev A BE1 50 51B 233 Time Characteristic Curves A 13 Figure A 13 Time Characteristic Curve V2 Very Inverse SW3 3 ON Similar to GE IAC 53...

Страница 58: ...A 14 BE1 50 51B 233 Time Characteristic Curves 9252000897 Rev A Figure A 14 Time Characteristic Curve E2 Extremely Inverse SW3 3 ON Similar to GE IAC 77...

Страница 59: ...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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